CN216081640U

CN216081640U - Water meter counter

Info

Publication number: CN216081640U
Application number: CN202122680208.0U
Authority: CN
Inventors: 张新忠; 程文力; 金林峰; 孙雪海
Original assignee: Wenling Younio Water Meter Co ltd
Current assignee: Wenling Younio Water Meter Co ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-03-18
Anticipated expiration: 2031-11-03

Abstract

The utility model provides a water meter counter, and belongs to the technical field of water meters. It has solved the problem that current water gauge counter installation accuracy and life are low. The water meter counter comprises a first clamping plate, a second clamping plate and a character wheel shaft, wherein a positioning shaft is fixedly arranged on the first clamping plate, and a positioning hole is formed in the second clamping plate corresponding to the positioning shaft; in addition, inwards sunken formation step face on the circumference lateral wall of location axle, the sunken spacing groove that forms in drill way department of locating hole, the location axle insert the locating hole and with the inner wall chucking of locating hole, the circumference edge of location axle step face supports with the spacing groove and leans on, two last installation pieces of splint still install, a constant head tank has all been seted up on every installation piece, the card is gone into to the draw-in groove of installation piece in the word shaft both ends card, inwards protruding formation fixture block on the inner wall of every draw-in groove, the tip of the tight word shaft of fixture block clamp. This water gauge counter guarantees the installation accuracy and the life of counter.

Description

Water meter counter

Technical Field

The utility model belongs to the technical field of water meters, and relates to a water meter counter.

Background

The water meter is a common water flow measuring tool in daily life, and is mainly used for detecting the water consumption of each household in daily life, so that the accuracy of water fee payment is ensured.

The existing water meter generally comprises a shell and an internal counter, the counter generally comprises two clamping plates which surround an instrument, a gear, a character wheel shaft and a plurality of character wheels, the character wheel shaft is fixed on one clamping plate, the plurality of character wheels are sequentially connected to the character wheel shaft in a rotating mode and meshed with the gear, after water in a pipeline enters the water meter, an impeller in the water meter can drive the gear to rotate, and the gear drives each character wheel to rotate on the character wheel shaft, so that actual water consumption of a user can be measured through each character wheel.

In the existing counter, a positioning hole is generally formed in one clamping plate, a positioning shaft is fixedly arranged on the other clamping plate, the two clamping plates are clamped into the positioning hole through the positioning shaft for encircling fixation, but the counter is used as a compact metering component, a large number of gear parts need to be installed in the counter, the two clamping plates are encircled and positioned only by clamping the positioning shaft into the positioning hole, and a proper space can not be reserved between the two clamping plates for installing each gear; in addition, can set up two draw-in grooves on the splint of installation word shaft, the mode chucking of joint is passed through at the both ends of word shaft in the draw-in groove, and when the word wheel rotated at the word shaft, the turning force with self was applyed on the word shaft very probably to a certain position that leads to the word shaft received the torsional force, nevertheless because the equal chucking location in word shaft both ends, the word shaft can't carry out appropriate adjustment to self position, thereby can cause the long-time effect emergence of torsional force of word shaft bending, fracture.

Disclosure of Invention

The utility model aims to provide a water meter counter aiming at the problems in the prior art, and the technical problems to be solved by the utility model are as follows: how to ensure the installation accuracy and the service life of the counter.

The purpose of the utility model can be realized by the following technical scheme: the utility model provides a water meter counter, includes splint one, splint two and the character wheel axle that is used for installing the character wheel, splint one is gone up and has been set firmly the location axle, splint two are gone up have locating hole and two installation pieces, every the draw-in groove has been seted up on the installation piece, its characterized in that, the step face has on the outer wall of location axle circumference, recessed formation spacing groove on the locating hole one end circumference pore wall, the location axle can block into the locating hole makes step face circumference edge department with spacing inslot wall supports and leans on, every the protruding fixture block that forms on the draw-in groove inner wall, character wheel axle tip card is gone into the draw-in groove and quilt the fixture block presss from both sides tightly.

The water meter counter comprises a first clamping plate, a second clamping plate and a character wheel shaft, wherein a positioning shaft is fixedly arranged on the first clamping plate, and a positioning hole is formed in the second clamping plate corresponding to the positioning shaft; in addition, the circumferential outer side wall of the positioning shaft is provided with a step surface, the circumferential hole wall at the orifice of the positioning hole is sunken to form a limiting groove, an assembler can insert the positioning shaft into the positioning hole and tightly clamp the positioning shaft with the inner wall of the positioning hole, so that the first clamping plate and the second clamping plate can be ensured to surround and be fixed, and the circumferential edge of the step surface of the positioning shaft is abutted against the limiting groove, so that the situation that the gear part cannot be normally installed due to the fact that the positioning shaft is inserted too deeply during assembly can be effectively avoided, the situation that the connection stability between the first clamping plate and the second clamping plate is poor due to the fact that the positioning shaft is inserted too shallowly can be avoided, the installation precision of the counter is ensured, and only the edge of the step surface is required to be abutted against the groove wall of the limiting groove, the overall flatness and smoothness of the step surface are reduced, the requirement on the manufacturing precision of the counter is reduced, and the production cost is reduced; the two clamping plates are also provided with two mounting blocks, each mounting block is provided with a positioning groove, a plurality of character wheels used for calculating water consumption of a user can be sleeved on the character wheel shaft, the character wheel shaft is clamped into the clamping grooves of the mounting blocks by clamping two ends of the character wheel shaft, so that the stability of the character wheel shaft is ensured, and the character wheels rotatably connected to the character wheel shaft can work normally, meanwhile, in order to prevent the character wheel shaft from being twisted when the character wheel rotates, a certain part of the character wheel shaft is twisted, the inner wall of each clamping groove protrudes inwards to form a clamping block, the end parts of the character wheel shaft are clamped by the clamping blocks, compared with the situation that the side wall of the character wheel is clamped with the inner wall of the clamping grooves, the contact area of the character wheel shaft on the clamping blocks is smaller, so that the friction force between the character wheel and the clamping blocks is smaller, when the character wheel shaft is twisted, the torsion force exerted on the character wheel shaft can control the character wheel shaft to rotate in a small amplitude, so that the character wheel shaft can unload the force exerted by the character wheel, therefore, the stability of the connection of the character wheel shaft is ensured, the character wheel shaft is prevented from being bent and broken due to long-term stress, and the service life of the counter is further ensured.

In the water meter counter, the two mounting blocks are fixedly arranged on the inner wall of the clamping plate II and are oppositely arranged, the outer wall of one end, close to the clamping plate I, of each mounting block is provided with the clamping groove, and the inner side walls of the two sides of each clamping groove are inwards protruded to form the clamping block.

Two installation pieces set firmly on the inside wall of splint two, and two installation pieces set up relatively, the draw-in groove is seted up on the installation piece is close to one end outer wall of splint one, the draw-in groove of one of them installation piece is gone into to the one end card of word shaft, the draw-in groove of another installation piece is gone into to the other end card, and all inwards protruding formation fixture block on the inner wall of every draw-in groove both sides, when the tip card of word shaft goes into in the draw-in groove, the fixture block can replace the draw-in groove inner wall to press from both sides the word shaft tightly, thereby make word shaft both ends can be fixed, can enough guarantee effectively that the word shaft is fixed under the normal use state, also can guarantee that the word shaft can carry out the rotation of small amplitude when receiving the torsion, avoid the word shaft to receive the torsion for a long time, and then prevent the word shaft bending, fracture, guarantee the life of counter.

In the water meter counter, the cross section of each fixture block is trapezoidal, and the upper bottom surface of each fixture block is tightly abutted against the outer side wall of the end part of the character wheel shaft.

The cross section of every fixture block all is trapezoidal shape, and every fixture block all presss from both sides tightly the tip of word shaft through the lower upper surface of self area to guarantee that the fixture block can effectively centre gripping word shaft's tip under normal use state, when word shaft receives the torsion, guarantee that word shaft can rotate by a small margin and unload the torsional force, avoid word shaft to receive to twist reverse for a long time, and then prevent word shaft bending, fracture, guarantee the life of counter.

In the water meter counter, the inner walls of the two clamping plates are arched inwards to form a protruding part near the middle part, the protruding part is provided with the positioning hole, and one end of the positioning hole near the first clamping plate is sunken to form the limiting groove.

The inner wall of splint two is close to middle part department and inwards arches and forms the bellying, the locating hole is seted up on the bellying, and the locating hole is close to the sunken spacing groove that forms of one end of splint one, in the assembling process, the user can insert the spacing inslot through with the location axle, make the lateral wall of location axle and the inside wall chucking of locating hole, thereby guarantee the stability that splint one and splint two are connected, and at the insertion in-process, the user can support with the spacing groove cell wall of locating hole tip department through the epaxial step face edge of location and lean on, with this know splint one and install with splint two and target in place, thereby guarantee the installation accuracy of splint one and splint two.

In the water meter counter, two positioning blocks corresponding to the mounting block in position are arranged on one inner wall of the clamping plate, and the positioning blocks can abut against one end, provided with the clamping groove, of the mounting block, so that the end part of the character wheel shaft is pressed in the clamping groove.

Be equipped with two locating pieces on the inner wall of splint one, the position one-to-one of locating piece and installation piece, when splint one surrounds fixedly with splint two, the locating piece can support tightly on the installation piece has the one end terminal surface of draw-in groove to make draw-in groove one side notch be sealed by the locating piece, and then make the sub-wheel axle compress tightly in the draw-in groove by the locating piece.

Compared with the prior art, this water gauge counter has following advantage:

the water meter counter is characterized in that a positioning shaft fixedly arranged on a first clamping plate is clamped into a positioning hole formed in a second clamping plate, so that the first clamping plate and the second clamping plate can be positioned in a surrounding mode, and the edge of a step surface on the circumferential outer wall of the positioning shaft is abutted against a limiting groove in the hole wall of one end of the positioning hole, so that the mounting accuracy of the first clamping plate and the second clamping plate is easier to control; two installation pieces are arranged on the inner walls of the two clamping plates relatively, a clamping groove is formed in each installation piece, a clamping block is formed in the inner side wall of each clamping groove in a protruding mode, the character wheel shaft can replace the inner wall of the clamping groove to clamp the end portion of the character wheel shaft when being installed, so that the stable installation of the character wheel shaft can be guaranteed, the character wheel shaft can be adjusted in a small-amplitude rotating mode when being twisted, the phenomenon that the character wheel shaft is bent and broken due to the fact that the character wheel shaft is twisted for a long time is avoided, and the service life of the counter is guaranteed.

And each clamping block is trapezoidal, the end part of the character wheel shaft is clamped by the upper bottom surface with smaller area of each clamping block, so that the clamping block can effectively clamp the end part of the character wheel shaft in a normal use state, and when the character wheel shaft is twisted, the character wheel shaft can rotate to unload the twisting force in a small amplitude.

And thirdly, two positioning blocks are arranged on the inner wall of the first clamping plate and can be abutted against the end face of one end, provided with the clamping groove, of the mounting block, so that the notch on one side of the clamping groove is sealed by the positioning block, and the sub-wheel shaft is pressed in the clamping groove by the positioning blocks.

Drawings

Fig. 1 is a schematic structural diagram of the water meter counter.

Fig. 2 is a sectional view of the water meter counter and a partially enlarged view thereof.

Fig. 3 is a schematic structural diagram of a first clamping plate in the water meter counter.

Fig. 4 is a schematic structural diagram of a second clamping plate in the water meter counter and a partial enlarged view thereof.

In the figure, 1, clamp plate I; 1a, a positioning shaft; 1a1, step surface; 1b, positioning blocks; 2. a second clamping plate; 2a, positioning holes; 2a1, a limit groove; 2b, mounting blocks; 2b1, card slot; 2b11, latch; 2c, a boss; 3. a word wheel axle.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-3, the water meter counter comprises a cover-shaped first clamping plate 1 and a second clamping plate 2, a cylindrical positioning shaft 1a is integrally formed at the middle part of the inner wall of the first clamping plate 1, a protrusion 2c is formed at the middle part of the inner wall of the second clamping plate 2 by inward arching, a positioning hole 2a is formed on the protrusion 2c, one end of the positioning hole 2a is communicated with the outside, the other end of the positioning hole 2a faces the first clamping plate 1, the positioning hole 2a is sunken towards the orifice at one end of the first clamping plate 1 to form a limiting groove 2a1 with an arc-shaped cross section, the circumferential outer wall of one end of the positioning shaft 1a, which is close to the second clamping plate 2, is sunken inwards to form a step surface 1a1, when assembling is carried out, an assembler can align the positioning hole 2a with the positioning shaft 1a and guide the positioning shaft 1a through the limiting groove 2a1, so that the positioning shaft 1a is inserted into the positioning hole 2a and is tightly clamped with the circumferential hole wall of the positioning hole 2a, meanwhile, the circumferential edge of the step surface 1a1 on the positioning shaft 1a abuts against the groove wall of the limiting groove 2a1 at the end part of the positioning hole 2a, so that the insertion depth of the positioning shaft 1a is limited, and the mounting accuracy of the first clamping plate 1 and the second clamping plate 2 is effectively improved.

In addition, the edge of the step surface 1a1 abuts against the groove wall of the limit groove 2a1, certain flatness and smoothness can be guaranteed by the step surface 1a1 in the manufacturing and forming process, the manufacturing progress requirement of the counter is reduced, and therefore the manufacturing cost is guaranteed to be lower, and the production efficiency is higher.

In addition, a plurality of auxiliary shafts have still been set firmly to splint one 1's inboard circumference edge, have seted up a plurality of fixed orificess in splint two 2 inner wall circumference edges, in the assembling process, can insert the fixed orifices and with locating hole 2a inner wall chucking through the auxiliary shaft to guarantee that splint one 1 and splint two 2 circumference edges also can fix a position, and then guarantee the stability that splint one 1 and splint two 2 are connected.

As shown in fig. 1, 2, and 4, a strip-shaped reading hole is formed in the second clamping plate 2, two mounting blocks 2b are oppositely arranged on the inner wall of the second clamping plate 2, the two mounting blocks 2b are respectively located at two ends of the reading hole, a clamping groove 2b1 is formed in one end, close to the first clamping plate 1, of each mounting block 2b, inner walls at two sides of each clamping groove 2b1 protrude inwards to form a trapezoidal clamping block 2b11, specifically, an isosceles trapezoid, one end of the character wheel shaft 3 is clamped into the clamping groove 2b1 of one clamping block 2b11, outer walls at two sides of the end of the character wheel shaft 3 are clamped by the clamping block 2b11 on the inner walls at two sides of the clamping groove 2b1, the other end of the character wheel shaft 3 is clamped into the clamping groove 2b1 of the other clamping block 2b11, and outer walls at two sides of the end of the character wheel shaft 3 are clamped by the clamping blocks 2b11 on the inner walls at two sides of the clamping groove 2b 1.

In addition, a plurality of character wheels can be sleeved on the character wheel shaft 3, the character wheels are used for counting water flow when water flows, and the character wheels are embedded in the reading port.

As shown in fig. 2-3, two positioning blocks 1b are fixedly arranged on the inner wall of the first clamping plate 1, the positions of the two positioning blocks 1b correspond to the positions of the two mounting blocks 2b one to one, and when the first clamping plate 1 and the second clamping plate 2 are surrounded by an assembler, one end of the positioning block 1b can abut against one end of the mounting block with the clamping groove 2b1, so that the end part of the character wheel shaft 3 clamped in the clamping groove 2b1 is further compressed by the positioning blocks 1 b.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although 1, splint one is used more herein; 1a, a positioning shaft; 1a1, step surface; 1b, positioning blocks; 2. a second clamping plate; 2a, positioning holes; 2a1, a limit groove; 2b, mounting blocks; 2b1, card slot; 2b11, latch; 2c, a boss; 3. word-wheel axis, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. A water meter counter comprises a first clamping plate (1), a second clamping plate (2) and a print wheel shaft (3) for mounting a print wheel, a positioning shaft (1a) is fixedly arranged on the first clamping plate (1), a positioning hole (2a) and two mounting blocks (2b) are arranged on the second clamping plate (2), a clamping groove (2b1) is formed in each mounting block (2b), it is characterized in that the circumferential outer wall of the positioning shaft (1a) is provided with a step surface (1a1), one end of the positioning hole (2a) is recessed on the circumferential hole wall to form a limiting groove (2a1), the positioning shaft (1a) can be clamped into the positioning hole (2a) and enables the peripheral corner of the step surface (1a1) to abut against the inner wall of the limiting groove (2a1), a clamping block (2b11) is formed by the protrusion on the inner wall of each clamping groove (2b1), the end part of the character wheel shaft (3) is clamped into the clamping groove (2b1) and clamped by the clamping block (2b 11).

2. A water meter counter according to claim 1, wherein two of said mounting blocks (2b) are fixed on the inner wall of said clamp plate two (2) and are oppositely arranged, and the outer wall of one end of each of said mounting blocks (2b) close to said clamp plate one (1) is provided with said clamping groove (2b1), and the inner side wall of both sides of each of said clamping grooves (2b1) is inwardly protruded to form said clamping block (2b 11).

3. A water meter counter according to claim 2, wherein each of said clips (2b11) is trapezoidal in cross section, and the upper bottom surface of each of said clips (2b11) abuts against the outer side wall of the end of said word axle (3).

4. A water meter counter according to any one of claims 1 to 3, wherein the inner wall of the second clamping plate (2) is arched inward near the middle to form a convex portion (2c), the convex portion (2c) is provided with the positioning hole (2a), and one end of the positioning hole (2a) near the first clamping plate (1) is recessed to form the limiting groove (2a 1).

5. A water meter counter according to claim 4, characterized in that two positioning blocks (1b) corresponding to the mounting block (2b) are arranged on the inner wall of the clamping plate I (1), and the positioning blocks (1b) can abut against one end of the mounting block (2b) with a clamping groove (2b1) so that the end of the character wheel shaft (3) is pressed in the clamping groove (2b 1).