阅读说明：本技术 一种便于水表精准计量装置 (Accurate metering device of water gauge of being convenient for ) 是由 张剑国 于 2021-08-28 设计创作，主要内容包括：本发明公开了一种便于水表精准计量装置,包括壳体,所述壳体固定连通有固定腔,所述固定腔远离壳体的一端固定连通有进水管,所述进水管内固定连接有两个滑槽,所述滑槽呈对称设置,所述进水管内中轴线处呈水平设置有往复丝杆,所述往复丝杆螺纹连接有丝帽,所述丝帽两端分别固定连接有限位杆,两个所述限位杆分别滑动连接在滑槽上,所述往复丝杆其中一端呈环形阵列设置有多个叶片,所述进水管内固定连接有滤网,所述滤网中心处固定连接有转轴,本发明通过在刮污器与滤网进行贴合时,刮污器随着螺纹套的旋转,对滤网表面的铁屑进行有效的清理,使得在过滤铁屑的同时能够保证滤网不被堵塞。(The invention discloses a device convenient for accurate metering of a water meter, which comprises a shell, wherein the shell is fixedly communicated with a fixed cavity, a water inlet pipe is fixedly communicated with one end of the fixed cavity far away from the shell, two sliding chutes are fixedly connected in the water inlet pipe, the sliding chutes are symmetrically arranged, the central axis in the water inlet pipe is horizontally provided with a reciprocating screw rod, the reciprocating screw rod is in threaded connection with a screw cap, two ends of the screw cap are respectively and fixedly connected with a limiting rod, the two limiting rods are respectively connected on the sliding chute in a sliding way, one end of the reciprocating screw rod is provided with a plurality of blades in an annular array, a filter screen is fixedly connected in the water inlet pipe, the center of the filter screen is fixedly connected with the rotating shaft, the invention ensures that the dirt scraper rotates along with the rotation of the threaded sleeve when the dirt scraper is attached to the filter screen, carry out effectual clearance to the iron fillings on filter screen surface for can guarantee that the filter screen is not blockked up when filtering iron fillings.)

1. The utility model provides a be convenient for accurate metering device of water gauge, includes casing (13), its characterized in that, the fixed intercommunication of casing (13) has fixed chamber (8), the fixed intercommunication of the one end that casing (13) were kept away from in fixed chamber (8) has inlet tube (1), two spouts (3) of fixedly connected with in inlet tube (1), spout (3) are the symmetry and set up, axis department is the level and is provided with reciprocal lead screw (17) in inlet tube (1), reciprocal lead screw (17) threaded connection has screw cap (18), screw cap (18) both ends are fixedly connected with gag lever post (2) respectively, two gag lever post (2) sliding connection respectively on spout (3), reciprocal lead screw (17) wherein one end is that the annular array is provided with a plurality of blades (19), fixedly connected with filter screen (4) in inlet tube (1), filter screen (4) center department fixedly connected with pivot (26), the filter screen is characterized in that one end, far away from the filter screen (4), of the rotating shaft (26) is rotatably connected to the reciprocating screw rod (17), spiral grains (32) are formed in the rotating shaft (26), a threaded sleeve (21) is connected to the rotating shaft (26) in a threaded manner, sleeve rings (20) are respectively rotatably connected to two sides of the threaded sleeve (21), the sleeve rings (20) are sleeved on the rotating shaft (26), one of the sleeve rings (20) is fixedly connected with a second spring (27), one end, far away from the sleeve rings (20), of the second spring (27) is fixedly connected to the filter screen (4), supporting rods (22) are respectively and fixedly connected to two sides of the threaded sleeve (21), two sleeve shafts (28) are respectively and fixedly connected to the supporting rods (22), a supporting rod (24) is slidably connected to the sleeve shafts (28), a dirt scraper (25) is fixedly connected between the two supporting rods (24), and one end, far away from the dirt scraper (25), of the supporting rod (24) is fixedly connected to a first spring (23), one end of the first spring (23) far away from the support rod (24) is fixedly connected to the sleeve shaft (28), a stop part is arranged on the water inlet pipe (1), and locking parts are arranged at two ends of the water inlet pipe (1).

2. A water meter accurate metering device convenient to water gauge according to claim 1, characterized in that, the stop part includes sealing plug (14), sealing plug (14) sets up in fixed chamber (8), sealing plug (14) both ends respectively fixedly connected with pull rod (29), installation cavity (34) have been seted up respectively on the wall of inlet tube (1) both sides, fixedly connected with slider (7) on pull rod (29), slider (7) sliding connection is in installation cavity (34).

3. A precision metering device convenient to a water meter according to claim 2, characterized in that a closing plug (31) is fixedly connected in the mounting chamber (34), and the pull rod (29) passes through the closing plug (31) and is fixedly connected with the connecting block (6).

4. A precision metering device convenient for a water meter according to claim 3, characterized in that the locking member comprises two fixing blocks (5), the fixing blocks (5) are respectively arranged at both sides of the water inlet pipe (1), and a screw (15) is arranged between the fixing blocks (5) and the connecting block (6).

5. A precision metering device convenient for a water meter as claimed in claim 1, wherein two push rods (33) are fixedly connected to one end of the screw cap (18) on the right side, and the push rods (33) are symmetrically arranged.

6. A device for facilitating accurate metering of a water meter as claimed in claim 1, wherein an outlet pipe (11) is fixedly connected to an end of the housing (13) remote from the inlet pipe (1), the outlet pipe (11) being connected to the inlet pipe (1).

7. A precision metering device convenient to a water meter as claimed in claim 1, wherein a rotary plate (10) is fixedly connected in the housing (13), an impeller (12) is fixedly connected to the rotary plate (10), and an instrument panel (9) is fixedly connected to the upper end of the housing (13).

8. A device for facilitating accurate metering of a water meter as claimed in claim 1, wherein the lower end of the water inlet pipe (1) is provided with a sewage draining outlet (16), and the sewage draining outlet (16) is arranged at the lower side of the sleeve shaft (28).

9. A device for facilitating accurate metering of a water meter as claimed in claim 3, wherein a third spring (30) is fixedly connected between the closing plug (31) and the slider (7), the third spring (30) being sleeved on the pull rod (29).

Technical Field

The invention relates to the technical field of water flow meters, in particular to a device convenient for accurate metering of a water meter.

Background

The water flow meter is a meter for measuring water flow, mostly an accumulated flow of water, generally divided into a positive displacement water meter and a speed water meter, originated in the uk, the development of the water meters has been in the history of nearly two hundred years, when selecting the specification of the water meter, the size and the flow range of the used flow under the normal condition should be estimated first, and then the water meter with the specification of which the common flow is close to the value should be selected.

Including turbine flowmeter in the water flowmeter table, produce the measurement that the rotation comes water flow through the inside impeller of rivers impact worm wheel flowmeter, current water pipeline still has more old-fashioned iron pipe to carry out the transport of water, the time has been for a long time produced easily iron fillings and along with during rivers get into the flowmeter, because there is higher water pressure in the domestic water intraductal, consequently, the impact through rivers makes the iron fillings striking lead to the fact the damage of blade easily on the blade in worm wheel flowmeter, lead to the inside measurement of water flowmeter to have great error, influence normal measurement work.

Disclosure of Invention

The invention aims to solve the following defects in the prior art that the existing water using pipeline has more old iron pipes for water conveying, iron filings are easy to generate after a long time and enter a flow meter along with water flow, and the iron filings are impacted on blades in a worm wheel flow meter to easily damage the blades due to high water pressure in the domestic water using pipeline, so that the internal metering of the water flow meter has larger errors.

In order to achieve the purpose, the invention adopts the following technical scheme:

a water meter accurate metering device convenient for water meter comprises a shell, wherein the shell is fixedly communicated with a fixed cavity, one end of the fixed cavity far away from the shell is fixedly communicated with a water inlet pipe, two chutes are fixedly connected in the water inlet pipe, the chutes are symmetrically arranged, a reciprocating screw rod is horizontally arranged at the central axis in the water inlet pipe, the reciprocating screw rod is in threaded connection with a screw cap, two ends of the screw cap are respectively and fixedly connected with limit rods, the two limit rods are respectively and slidably connected on the chutes, one end of the reciprocating screw rod is provided with a plurality of blades in an annular array, a filter screen is fixedly connected in the water inlet pipe, a rotating shaft is fixedly connected at the center of the filter screen, one end of the rotating shaft far away from the filter screen is rotatably connected on the reciprocating screw rod, spiral threads are arranged on the rotating shaft, a threaded sleeve is in threaded connection on the rotating shaft, and lantern rings are respectively and rotatably connected at two sides of the threaded sleeve, the lantern ring cup joints in the pivot, one of them fixedly connected with second spring of the lantern ring, the one end fixed connection that the lantern ring was kept away from to the second spring is on the filter screen, thread bush both sides fixedly connected with branch respectively, two sleeve axles of fixedly connected with on the branch respectively, sleeve axle sliding connection has the bracing piece, two fixedly connected with scrapes dirty ware between the bracing piece, the bracing piece is kept away from the first spring of the one end fixedly connected with of scraping dirty ware, the one end fixed connection that the bracing piece was kept away from to first spring is on the sleeve axle, the inlet tube is equipped with by the part, the inlet tube both ends are equipped with locking part.

Preferably, the stop part comprises a sealing plug, the sealing plug is arranged in the fixing cavity, two ends of the sealing plug are respectively and fixedly connected with a pull rod, the two side walls of the water inlet pipe are respectively provided with a mounting cavity, the pull rod is fixedly connected with a slide block, and the slide block is slidably connected in the mounting cavity.

Preferably, a sealing plug is fixedly connected in the installation cavity, and the pull rod penetrates through the sealing plug and is fixedly connected with a connecting block.

Preferably, the locking part comprises two fixing blocks, the fixing blocks are respectively arranged at two sides of the water inlet pipe, and a screw is arranged between the fixing block and the connecting block.

Preferably, one end of the screw cap on the right side is fixedly connected with two push rods, and the push rods are symmetrically arranged.

Preferably, one end of the shell, which is far away from the water inlet pipe, is fixedly communicated with a water outlet pipe, and the water outlet pipe is communicated with the water inlet pipe.

Preferably, a rotary disc is fixedly connected in the shell, an impeller is fixedly connected with the rotary disc, and an instrument panel is fixedly connected to the upper end of the shell.

Preferably, the lower end of the water inlet pipe is provided with a sewage draining exit, and the sewage draining exit is arranged on the lower side of the sleeve shaft.

Preferably, a third spring is fixedly connected between the closing plug and the sliding block, and the third spring is sleeved on the pull rod.

Compared with the prior art, the invention has the beneficial effects that:

1. the water inlet pipe of the device is communicated with an external water source, and a plurality of blades fixedly connected on the reciprocating screw rod are impacted by the flow of water in the pipe, the reciprocating screw rod is rotated, the screw cap is connected on the reciprocating screw rod through screw threads, and the limiting rods are fixedly connected with the two ends of the screw cap, when the screw cap slides in the sliding groove to be used as the limit of the rotation of the screw cap, the screw cap moves rightwards and can extrude the lantern ring and the threaded sleeve, because the threaded sleeve is connected on the rotating shaft by the thread, when the threaded sleeve moves rightwards, the rotation of the threaded sleeve is formed through the limitation of spiral threads on the rotating shaft, sleeve shafts are fixedly connected with two ends of the threaded sleeve through supporting rods respectively, the dirt scraper is connected to the sleeve shafts through supporting rods, when the dirt scraper is attached to the filter screen, the dirt scraper rotates along with the threaded sleeve, carry out effectual clearance to the iron fillings on filter screen surface for can guarantee that the filter screen is not blockked up when filtering iron fillings.

2. Make the connecting block to the direction removal that is close to the fixed block through the rotation of screw, pull rod fixed connection is on the connecting block, make pull rod and fixed connection's sealing plug remove the back mutually to the left, sealing plug and inlet tube are to the laminating, thereby effectual rivers that stop, then open the drain, make water in the inlet tube and the iron fillings that clear up get off pass through the drain and arrange the outside, the drain is closed after iron fillings are arranged, remove the screw and make fixed block and connecting block reconnection back, promote slider and fixed connection's pull rod and remove right under the elasticity of third spring, make the sealing plug keep away from behind the inlet tube rivers can normal circulation, water inflow through after the filtration strikes the rotation that the impeller drove the carousel in the casing, reach the effect that the panel board can accurate measurement.

Drawings

Fig. 1 is a schematic front structural view of a device for facilitating accurate metering of a water meter according to the present invention;

FIG. 2 is a schematic view of a portion A of FIG. 1;

FIG. 3 is a schematic view of a portion of B in FIG. 1;

fig. 4 is a schematic view of a front structure of a rotating shaft of the device for accurately metering a water meter according to the present invention.

In the figure: the device comprises a water inlet pipe 1, a limiting rod 2, a sliding groove 3, a filter screen 4, a fixing block 5, a connecting block 6, a sliding block 7, a fixing cavity 8, an instrument panel 9, a rotating disc 10, a water outlet pipe 11, an impeller 12, a shell 13, a sealing plug 14, a screw 15, a sewage discharge outlet 16, a reciprocating screw rod 17, a screw cap 18, a blade 19, a lantern ring 20, a threaded sleeve 21, a supporting rod 22, a first spring 23, a supporting rod 24, a sewage scraper 25, a rotating shaft 26, a second spring 27, a sleeve shaft 28, a pull rod 29, a third spring 30, a sealing plug 31, a spiral thread 32, a push rod 33 and a mounting cavity 34.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a device for accurately metering a water meter, comprising a housing 13, wherein the housing 13 is fixedly communicated with a fixed cavity 8, one end of the fixed cavity 8, which is far away from the housing 13, is fixedly communicated with a water inlet pipe 1, so that the fixed cavity 8 can provide a space for moving a sealing plug 14, when the water inlet pipe 1 is filled with water, the sealing plug 14 is far away from the water inlet pipe 1, so that water flows into the fixed cavity 8 through two sides of the sealing plug 14 and then flows into the housing 13, two sliding grooves 3 are fixedly connected in the water inlet pipe 1, the sliding grooves 3 are symmetrically arranged, the two sliding grooves 3 are symmetrically arranged at the central axis of the water inlet pipe 1, a reciprocating screw rod 17 is horizontally arranged at the central axis of the water inlet pipe 1, the reciprocating screw rod 17 is in threaded connection with a screw cap 18, two ends of the screw cap 18 are respectively fixedly connected with limiting rods 2, the two limiting rods 2 are respectively and slidably connected on the sliding grooves 3, one end of the reciprocating screw rod 17 is provided with a plurality of blades 19 in an annular array, therefore when rivers get into inlet tube 1 in, through impacting blade 19, make the fixed reciprocal lead screw 17 of blade 19 rotatory, threaded connection has screw cap 18 on the reciprocal lead screw 17, gag lever post 2 through screw cap 18 both ends fixed connection, it is rotatory spacing as screw cap 18 to slide in spout 3, make reciprocal lead screw 17 when rotating, screw cap 18 is reciprocating motion on reciprocal lead screw 17, screw cap 18 is located two push rods 33 of one end fixedly connected with on right side, push rod 33 is the symmetry and sets up, therefore when screw cap 18 moves on reciprocal lead screw 17, can promote lantern ring 20 through push rod 33 and remove.

The filter screen 4 is fixedly connected in the water inlet pipe 1, the rotating shaft 26 is fixedly connected at the center of the filter screen 4, one end of the rotating shaft 26 far away from the filter screen 4 is rotatably connected on the reciprocating screw rod 17, so that the rotating shaft 26 supports and fixes the reciprocating screw rod 17, the spiral threads 32 are arranged on the rotating shaft 26, the threaded sleeve 21 is in threaded connection on the rotating shaft 26, when the threaded sleeve 21 moves rightwards, the rotation of the threaded sleeve 21 can be formed through the limit of the spiral threads 32 on the rotating shaft 26, the lantern rings 20 are respectively and rotatably connected on two sides of the threaded sleeve 21, the lantern rings 20 are sleeved on the rotating shaft 26, one of the lantern rings 20 is fixedly connected with the second spring 27, when the screw cap 18 extrudes the lantern ring 20, when the lantern rings 20 and the threaded sleeve 21 move rightwards, under the condition that the two lantern rings 20 do not rotate can be realized, the threaded sleeve 21 rotates on the rotating shaft 26, one end of the second spring 27 far away from the lantern ring 20 is fixedly connected on the filter screen 4, when the reciprocating screw rod 17 rotates continuously, the screw cap 18 moves leftwards, and the lantern ring 20 is not pressed any more, the lantern ring 20 and the threaded sleeve 21 are pushed to move leftwards under the elasticity of the second spring 27, so that the threaded sleeve 21 and the dirt scraper 25 rotate again to clean the filter screen 4, the two sides of the threaded sleeve 21 are respectively and fixedly connected with a supporting rod 22, the supporting rod 22 is respectively and fixedly connected with two sleeve shafts 28, the sleeve shafts 28 are in sliding connection with a supporting rod 24, the dirt scraper 25 is fixedly connected between the two supporting rods 24, one end of the supporting rod 24 far away from the dirt scraper 25 is fixedly connected with the first spring 23, so that when the threaded sleeve 21 moves rightwards, the dirt scraper 25 is attached to the filter screen 4, the first spring 23 can play a role of buffering, in order to prevent the dirt scraper 25 from damaging the filter screen 4 when the threaded sleeve 21 moves to the right, the end of the first spring 23 remote from the support rod 24 is fixedly connected to the sleeve shaft 28.

The water inlet pipe 1 is provided with a stopping part, the stopping part comprises a sealing plug 14, the sealing plug 14 is arranged in a fixed cavity 8, two ends of the sealing plug 14 are respectively and fixedly connected with a pull rod 29, two side walls of the water inlet pipe 1 are respectively provided with a mounting cavity 34, the pull rod 29 is fixedly connected with a slide block 7, the slide block 7 is connected in the mounting cavity 34 in a sliding manner, the slide block 7 plays a sealing role in the mounting cavity 34 so as to prevent water flow from entering the mounting cavity 34 to contact with a third spring 30, the mounting cavity 34 is internally and fixedly connected with a closing plug 31, the pull rod 29 penetrates through the closing plug 31 and is fixedly connected with a connecting block 6, the third spring 30 is fixedly connected between the closing plug 31 and the slide block 7, the third spring 30 is sleeved on the pull rod 29, after the water flow passes through a filter screen 4, the sealing plug 14 is extruded through the water flow, and the slide block 7 and the fixedly connected pull rod 29 are pushed under the elastic force of the third spring 30 to move rightwards, make sealing plug 14 keep away from inlet tube 1, hydroenergy in the inlet tube 1 is enough smooth gets into in the casing 13, casing 13 keeps away from the fixed intercommunication of one end of inlet tube 1 and has outlet pipe 11, outlet pipe 11 is linked together with inlet tube 1, fixedly connected with carousel 10 in the casing 13, carousel 10 fixedly connected with impeller 12, casing 13 upper end fixedly connected with panel board 9, (impeller 12 is connected with carousel 10 and panel board 9, be worm wheel flowmeter's connected mode, for prior art, do not do too much explanation here), water flow after the filtration strikes impeller 12 and drives the rotation of carousel 10 in casing 13, reach the effect that the panel board 9 can accurate measurement.

1 both ends of inlet tube are equipped with locking part, locking part includes two fixed blocks 5, fixed block 5 sets up the both sides at inlet tube 1 respectively, be equipped with screw 15 between fixed block 5 and the connecting block 6, drain 16 has been seted up to inlet tube 1 lower extreme, drain 16 sets up the downside at sleeve 28, when needs filter the iron fillings after getting off to filter screen 4 and carry out the blowdown, be connected connecting block 6 with fixed block 5 through using screw 15, make connecting block 6 to the direction removal that is close to fixed block 5 through the rotation of screw 15, pull rod 29 fixed connection is on connecting block 6, make pull rod 29 and fixed connection's sealing plug 14 remove the back mutually left, sealing plug 14 and inlet tube 1 are to the laminating, thereby effectual rivers that end, then open drain 16, make the water in the inlet tube 1 and the iron fillings that clear up get off arrange the outside through drain 16.

In the invention, a water inlet pipe 1 of the device is communicated with an external water source, a plurality of blades 19 which take one end of a reciprocating screw rod 17 as a fulcrum are impacted to rotate by the flowing of water in the pipe, a screw cap 18 is connected on the reciprocating screw rod 17 in a threaded manner, a limit rod 2 fixedly connected with two ends of the screw cap 18 slides in a sliding chute 3 to be used as the limit of the rotation of the screw cap 18, so that the screw cap 18 moves rightwards when the reciprocating screw rod 17 rotates, when the screw cap 18 moves to the other end of the reciprocating screw rod 17, a push rod 33 fixedly connected with the screw cap 18 presses a sleeve ring 20 rightwards, so that the sleeve 20 and a threaded sleeve 21 which is connected with the screw cap in a rotating manner move rightwards, as the threaded sleeve 21 is connected on a rotating shaft 26 in a threaded manner, the limit of a spiral thread 32 on the rotating shaft 26 forms the rotation of the threaded sleeve 21, and a second spring 27 is pressed by a sleeve 20 positioned on the right side, and two support rods 22 fixedly connected with the threaded sleeve 21 also move rightwards, make dirty ware 25 and filter screen 4 laminate, move the in-process in the right side, slide and extrude first spring 23 in sleeve shaft 28 through bracing piece 24, along with the rotation of thread bush 21 through dirty ware 25 of scraping to carry out effectual clearance to the iron fillings on filter screen 4 surface.

When the reciprocating screw rod 17 rotates continuously, the screw cap 18 moves leftwards, and when the lantern ring 20 is not squeezed any more, the lantern ring 20 and the threaded sleeve 21 are pushed leftwards under the elastic force of the second spring 27, so that the threaded sleeve 21 and the dirt scraper 25 rotate again to clean the filter screen 4, and simultaneously, after the reciprocating screw rod 17 moves for one cycle, the screw cap 18 squeezes the lantern ring 20 again to sequentially and indirectly clean the filter screen 4.

After water flows through the filter screen 4, the sealing plug 14 is extruded through the water flow, meanwhile, the sliding block 7 and the fixedly connected pull rod 29 are pushed to move rightwards under the elastic force of the third spring 30, so that the sealing plug 14 is far away from the water inlet pipe 1, the water in the water inlet pipe 1 can smoothly enter the shell 13, when the iron scraps filtered by the filter screen 4 need to be discharged, the connecting block 6 is connected with the fixing block 5 through the screw 15, the connecting block 6 moves towards the direction close to the fixing block 5 through the rotation of the screw 15, the pull rod 29 is fixedly connected on the connecting block 6, after the pull rod 29 and the fixedly connected sealing plug 14 move leftwards, the sealing plug 14 is attached to the water inlet pipe 1, so that the water flow is effectively stopped, then the sewage discharge port 16 is opened, the water in the water inlet pipe 1 and the cleaned iron scraps are discharged to the outer side through the sewage discharge port 16, and the sewage discharge port 16 is closed after the iron scraps are discharged, after the screw 15 is removed to disconnect the fixed block 5 from the connecting block 6, the sliding block 7 and the fixedly connected pull rod 29 are pushed to move rightwards under the elastic force of the third spring 30, so that water flow can normally circulate after the sealing plug 14 is far away from the water inlet pipe 1, and the water flow flows into the shell 13 to impact the impeller 12 to drive the rotating disc 10 to rotate, and the effect that the instrument panel 9 can accurately measure is achieved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.