CN204115797U - Anti-theft water meter - Google Patents
Anti-theft water meter Download PDFInfo
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- CN204115797U CN204115797U CN201420531271.5U CN201420531271U CN204115797U CN 204115797 U CN204115797 U CN 204115797U CN 201420531271 U CN201420531271 U CN 201420531271U CN 204115797 U CN204115797 U CN 204115797U
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- pipeline
- pipe
- outlet part
- water meter
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Abstract
The utility model discloses a kind of anti-theft water meter, comprise table body, water inlet pipe and rising pipe, rising pipe comprises the first pipeline set gradually, second pipe and the 3rd pipeline, the caliber of the first pipeline is greater than the caliber of second pipe, the caliber of second pipe is less than the caliber of the 3rd pipeline, rising pipe is provided with self-locking body, self-locking body comprises the portion of confluxing and outlet part, the portion slippage of confluxing is connected in the first pipeline, the lateral wall of outlet part and the madial wall of second pipe are sealed and matched, the lateral wall of outlet part is along the circumferential direction distributed with apopore, self-locking body can drive apopore in the 3rd pipeline in slipping, outlet part is arranged with elastic component, elastic component conflict is connected to the end of second pipe and confluxes between portion, the opening part of the first pipeline is provided with elastic spacing block.It is simple that the utility model has structure, easy for installation, the feature of good anti-theft effect.
Description
Technical field
The utility model relates to a kind of water meter, and more particularly, it relates to a kind of anti-theft water meter.
Background technology
Present metering water meter does not have anti-theft device, when water meter is correctly arranged on pipeline according to water inlet interface, the counter of water meter normally measures, if but water meter is turned 180 ° of installations, namely water delivering orifice becomes water inlet, and water inlet reconfiguration is water delivering orifice, and the counter of water meter is by counting in reverse, water-robbery person utilizes this defect of water meter just, is unloaded by water meter be oppositely installed into pirate water from pipeline.
Application number be 200320111312.7 Chinese utility model disclose a kind of water meter, this water meter is made up of watch core and watchcase, watchcase one end is water inlet, the other end is water delivering orifice, described water side is provided with retaining valve, described retaining valve is made up of valve seat, valve, valve gap, valve seat is provided with limbers, valve and water delivering orifice are sealed and matched, valve gap is provided with limbers, described valve is provided with left and right valve rod, and described left valve rod and described valve gap, described right valve rod are with described valve gap and are flexibly connected.When this water meter normally works, valve is separated with valve gap under the effect of hydraulic pressure, simultaneously under the position-limiting action of retracing spring, valve can not the limbers of capping valve seat, thus water can enter from the limbers of valve gap and flows out from the limbers of valve seat, keep the proper motion of water meter, when water-robbery person carries out stolen water by water meter reversal connection, from valve under the effect of retracing spring and hydraulic pressure, the limbers of valve seal valve gap, thus water can not enter from the limbers of valve seat and flows out from the limbers of valve gap, thus the behavior of effective prevention stolen water, but this water meter needs just can work normally under the position-limiting action of retracing spring, if the spacing inefficacy of retracing spring, under the effect of hydraulic pressure, valve also can the limbers of capping valve seat, thus cause water meter cisco unity malfunction, when this water meter is installed simultaneously, need respectively by valve seat, valve, valve gap is installed in water inlet, valve seat and water inlet, valve gap and water inlet are interference fit, thus to valve seat, valve gap, the dimensional requirement of water inlet is higher, the assembly dismounting of retaining valve is also cumbersome simultaneously, there is the space of improvement.
Application number be 2005100115382.6 Chinese invention patent disclose a kind of water meter with anti-theft feature, it comprises water inlet, water delivering orifice, impeller, gear, pointer and dial plate, water inlet installs counterflow prevention device near dial plate one end inner sealing, counterflow prevention device has sleeve pipe, screw rod and sealing shroud are formed, sleeve pipe has boss near water inlet end, the middle part of sleeve pipe is along the circumferential direction distributed with tapping hole, it is threaded engagement between sleeve pipe and screw rod, sealing shroud is enclosed within sleeve pipe, seal tapping hole and boss, pin counterflow prevention device loads water meter water inlet inside end, rotary screw makes its top hold out against diaphragm plate in water meter.Although this water meter with anti-theft feature solves water-robbery person and steals water problem, but need additional sealing shroud, screw rod and boss, complicated structure, manufacture difficulty is larger, this refluence block device is fastened on water inlet by sealing shroud, be located on cross-section plate by the boss top of screw rod simultaneously, realize the installing of refluence block device, refluence block device only has end to be fastened on water inlet, have and insecure problem is installed, simultaneously during this water meter reversal connection, because this water meter lacks resetting means, therefore this water meter realizes anti-theft feature needs the sleeve pipe top of this water meter to return in sealing shroud, tapping hole and sealing shroud are fitted, now there is the water of part can flow out from water inlet with flowing into from tapping hole in process, there is the space of improvement.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide that a kind of structure is simple, easy for installation, the anti-theft water meter of good anti-theft effect.
For achieving the above object, the utility model provides following technical scheme: a kind of anti-theft water meter, comprise table body, water inlet pipe and rising pipe, described rising pipe comprises the first pipeline set gradually, second pipe and the 3rd pipeline, the caliber of described first pipeline is greater than the caliber of second pipe, the caliber of described second pipe is less than the caliber of the 3rd pipeline, described rising pipe is provided with self-locking body, described self-locking body comprises the portion of confluxing and outlet part, described portion's slippage of confluxing is connected in the first pipeline, the lateral wall of described outlet part and the madial wall of second pipe are sealed and matched, the lateral wall of described outlet part is along the circumferential direction distributed with apopore, described self-locking body can drive apopore in the 3rd pipeline in slipping, described outlet part is arranged with elastic component, described elastic component conflict is connected to the end of second pipe and confluxes between portion, the opening part of described first pipeline is provided with elastic spacing block.
By adopting technique scheme, when water meter is normally installed, water enters from water inlet, flow out from water delivering orifice, when flowing through rising pipe, water enters from the portion of confluxing of self-locking body, because outlet part and second pipe are sealed and matched, water can not flow out in the apopore of outlet part, thus make the pressure in the first pipeline be greater than pressure in the 3rd pipeline, thus water promotes self-locking body slippage, until the apopore of outlet part extends to the 3rd pipeline, now elastic component is compressed savings elastic potential energy, thus water enters from the portion of confluxing, flow through outlet part to flow out from apopore, enter the 3rd pipeline, thus realize the normal work of water meter, after terminating with water, first pipeline is identical with the pressure of the 3rd pipeline, under the effect of elastic component, self-locking body resets and drives outlet part and second pipe to fit, when water-robbery person is by water meter reversal connection, due to outlet part reset laminating second pipe, water from by self-locking body, effectively can not can be avoided self-locking body to depart from the first pipeline by the effect of elastic spacing block simultaneously, effectively avoid the generation of stolen water phenomenon.
The utility model is set to further: described in the conflux lateral wall in portion be axially provided with slide block along it, described first insides of pipes wall is provided with the chute for slide block slippage.
By adopting technique scheme, moved in chute by slide block, thus achieve the portion of confluxing and be connected with the slippage of the first pipeline, limit the movement travel in the portion of confluxing simultaneously, make the motion in the portion of confluxing more reliable.The utility model is set to further: described outlet part is provided with baffle plate away from the one end in the portion of confluxing.
By adopting technique scheme, by the effect of baffle plate, can the movement travel of limit self part, avoid self-locking body and depart from the first pipeline, ensure that apopore moves between second pipe and the 3rd pipeline simultaneously.
The utility model is set to further: described baffle plate and outlet part are threaded connection.
By adopting technique scheme, facilitating the installation of baffle plate and outlet part, facilitating the installation of self-locking body simultaneously, self-locking body being installed into rising pipe by water meter end cap mouth, then baffle plate is being connected with outlet part.
The utility model is set to further: described in conflux the tapered vibrational power flow in portion.
By adopting technique scheme, by the confluxing effect of taper surface, thus be convenient to current and enter outlet part by the portion of confluxing, make current convenient from apopore outflow.
The utility model is set to further: described water inlet pipe is provided with filter.
By adopting technique scheme, by the effect of filter, the impurity in water and foreign matter can be removed, making water health more, the impurity in water and foreign matters from being blocked apopore can be avoided simultaneously, thus ensure that the normal work of water meter.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model anti-theft water meter;
Fig. 2 is the structure for amplifying schematic diagram of Fig. 1;
Fig. 3 is the structural representation of self-locking body.
Accompanying drawing illustrates: 1, show body; 2, water inlet pipe; 3, rising pipe; 31, the first pipeline; 311, chute; 32, second pipe; 33, the 3rd pipeline; 34, elastic spacing block; 4, self-locking body; 41, to conflux portion; 411, slide block; 42, outlet part; 421, apopore; 43, baffle plate; 5, filter; 6, elastic component.
Embodiment
Referring to figs. 1 through Fig. 3, the utility model anti-theft water meter embodiment is described further.
A kind of anti-theft water meter, comprise table body 1, water inlet pipe 2 and rising pipe 3, rising pipe 3 comprises the first pipeline 31 set gradually, second pipe 32 and the 3rd pipeline 33, the caliber of the first pipeline 31 is greater than the caliber of second pipe 32, the caliber of second pipe 32 is less than the caliber of the 3rd pipeline 33, rising pipe 3 is provided with self-locking body 4, self-locking body 4 comprises the portion of confluxing 41 and outlet part 42, portion 41 slippage of confluxing is connected in the first pipeline 31, the lateral wall in portion 41 of confluxing axially is provided with slide block 411 along it, first pipeline 31 madial wall is provided with the chute 311 for slide block 411 slippage, the lateral wall of outlet part 42 and the madial wall of second pipe 32 are sealed and matched, the lateral wall of outlet part 42 is along the circumferential direction distributed with apopore 421, self-locking body 4 can drive apopore 421 in the 3rd pipeline 33 in slipping, outlet part 42 is removably connected with baffle plate 43 away from the one end in the portion of confluxing 41, preferred baffle plate 43 is threaded connection with outlet part 42, outlet part 42 is arranged with elastic component 6, elastic component 6 conflict is connected to the end of second pipe 32 and confluxes between portion 41, elastic component 6 is preferably spring, the opening part of the first pipeline 31 is provided with elastic spacing block 34.Baffle plate 43 is preferably disc-shaped, and the diameter of baffle plate 43 is less than the caliber of the 3rd pipeline 33, be greater than the caliber of second pipe 32, the center of outlet part 42 and the center of baffle plate 43 are on the same line, preferably the caliber of the first pipeline 31 and the 3rd pipeline 33 is all greater than the caliber of second pipe 32, when current enter table body 1 by water inlet pipe 2, then the first pipeline 31 of rising pipe 3 is entered, current come together in the portion of confluxing 41, then enter in the cavity of outlet part 42, fit because the lateral wall of outlet part 42 and the madial wall of the first pipeline 31 seal, current can not flow out from apopore 421, thus make the pressure in the first pipeline 31 be greater than the pressure of the 3rd pipeline 33, thus make the portion of confluxing 41 slippage in the first pipeline 31, thus drive outlet part 42 to move in second pipe 32, now elastic component 6 is compressed, savings elastic potential energy, when the apopore 421 in the portion of confluxing 41 moves to the 3rd pipeline 33, current flow out from apopore 421 and enter the 3rd pipeline 33, the lateral wall of preferred outlet part 42 is provided with multiple apopore 421, thus increase aquifer yield, now water meter normally works, preferably conflux portion 41 slippage to the first pipeline 31 with second pipe 32 junction time, now the water delivering orifice of outlet part 42 moves in the 3rd pipeline 33, when water meter quits work, the elastic potential energy that elastic component 6 is put aside transforms, self-locking body 4 is driven to move, the apopore 421 of outlet part 42 is fitted with the madial wall of second pipe 32, water can not flow out, when water-robbery person carry out stolen water by water inlet pipe 2 with rising pipe 3 reversal connection time, flow action, in baffle plate 43, promotes baffle plate 43 to the motion of second pipe 32 direction, thus drives apopore 421 and second pipe 32 to seal to fit, thus effectively avoids stolen water phenomenon.
Conflux the tapered vibrational power flow in portion 41, by the effect of confluxing of taper surface, thus is convenient to current and enters outlet part 42 by the portion of confluxing 41, make current flow out convenient from apopore 421.
Water inlet pipe 2 is provided with filter 5, preferred filter 5 comprises filter frame and is arranged at the screen pack on filter frame, the lateral wall of filter frame is provided with buckle, water inlet pipe 2 is provided with the draw-in groove for buckle clamping, by the clamping effect of buckle and draw-in groove, realize removably connecting of filter 5 and water inlet pipe 2, simultaneously by the effect of filter 5, the impurity in water and foreign matter can be removed, make water health more, the impurity in water and foreign matters from being blocked apopore 421 can be avoided simultaneously, thus ensure that the normal work of water meter.
When this anti-theft water meter is installed, first manufacture watermeter shell, then elastic component 6 is sheathed on the outlet part 42 of self-locking body 4, self-locking body 4 is installed in table body 1 from water meter end cap mouth, extruding elastic spacing block 34, preferred elastomeric limited block 34 is provided with the lozenges being convenient to install, the slide block 411 in the portion of confluxing 41 is installed in the chute 311 of the first pipeline 31, promotion portion 41 of confluxing moves to second pipe 32 direction, until inactive, then with instrument, baffle plate 43 is screwed in the thread head of outlet part 42, outlet part 42 is fixedly connected with baffle plate 43, in like manner filter 5 device is entered in the groove of water inlet pipe 2, assembly finally in assembling table body 1 and water meter end cap.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. an anti-theft water meter, comprise table body, water inlet pipe and rising pipe, it is characterized in that: described rising pipe comprises the first pipeline set gradually, second pipe and the 3rd pipeline, the caliber of described first pipeline is greater than the caliber of second pipe, the caliber of described second pipe is less than the caliber of the 3rd pipeline, described rising pipe is provided with self-locking body, described self-locking body comprises the portion of confluxing and outlet part, described portion's slippage of confluxing is connected in the first pipeline, the lateral wall of described outlet part and the madial wall of second pipe are sealed and matched, the lateral wall of described outlet part is along the circumferential direction distributed with apopore, described self-locking body can drive apopore in the 3rd pipeline in slipping, described outlet part is arranged with elastic component, described elastic component conflict is connected to the end of second pipe and confluxes between portion, the opening part of described first pipeline is provided with elastic spacing block.
2. anti-theft water meter according to claim 1, is characterized in that: described in the conflux lateral wall in portion be axially provided with slide block along it, described first insides of pipes wall is provided with the chute for slide block slippage.
3. anti-theft water meter according to claim 1 and 2, is characterized in that: described outlet part is provided with baffle plate away from the one end in the portion of confluxing.
4. anti-theft water meter according to claim 3, is characterized in that: described baffle plate and outlet part are threaded connection.
5. anti-theft water meter according to claim 4, is characterized in that: described in conflux the tapered vibrational power flow in portion.
6. anti-theft water meter according to claim 5, is characterized in that: be provided with filter in described water inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420531271.5U CN204115797U (en) | 2014-09-16 | 2014-09-16 | Anti-theft water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420531271.5U CN204115797U (en) | 2014-09-16 | 2014-09-16 | Anti-theft water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204115797U true CN204115797U (en) | 2015-01-21 |
Family
ID=52333096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420531271.5U Expired - Fee Related CN204115797U (en) | 2014-09-16 | 2014-09-16 | Anti-theft water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204115797U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112414521A (en) * | 2020-11-09 | 2021-02-26 | 湖南常德牌水表制造有限公司 | Water meter pressure loss testing device |
-
2014
- 2014-09-16 CN CN201420531271.5U patent/CN204115797U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112414521A (en) * | 2020-11-09 | 2021-02-26 | 湖南常德牌水表制造有限公司 | Water meter pressure loss testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20160916 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |