阅读说明：本技术 一种干式无磁nb-iot水表 (A kind of dry type is without magnetic NB-IOT water meter ) 是由 熊太同 游菊芬 胡国彰 罗明 于 2019-08-30 设计创作，主要内容包括：本发明提供了一种干式无磁NB-IOT水表,包括水表壳体、安装在水表壳体上的机芯计数器、卡接水表壳体和机芯计数器的基表卡环、表盖安装座、与表盖安装座连接的模块组件以及设置在表盖安装座上的表盖,还包括限位卡扣,所述表盖安装座外侧设有一与模块组件相连接的插接部,且在表盖安装座靠近插接部两端的位置上设有插接槽,所述模块组件上设有与插接槽相对应的插接销,所述模块组件与表盖安装座通过插接销、插接槽与限位卡扣三者之间的相互配合而固定连接,本发明设计以水表壳体为中心,基表卡环可360°旋转,同时模块组件通过水平插接的方式安装至表盖安装座,使水表安装、读数以及拆卸维修都带来很大的便捷。(The present invention provides a kind of dry types without magnetic NB-IOT water meter, including water meter case, the machine core counter being mounted on water meter case, it is clamped the base table snap ring of water meter case and machine core counter, cover mounting base, the modular assembly being connect with cover mounting base and the cover being arranged in cover mounting base, it further include limit fastener, a plug division being connected with modular assembly is equipped on the outside of the cover mounting base, and inserting groove is equipped on the position at plug division both ends in cover mounting base, the modular assembly is equipped with grafting pin corresponding with inserting groove, the modular assembly and cover mounting base pass through grafting pin, mutual cooperation between inserting groove and limit fastener three and be fixedly connected, the present invention designs centered on water meter case, base table snap ring can 360 ° rotation, modular assembly is pacified by way of horizontal grafting simultaneously It is filled to cover mounting base, brings water pump composite, reading and detachable maintaining all very big convenient.)

1. a kind of dry type is without magnetic NB-IOT water meter, including water meter case, the machine core counter being mounted on water meter case, clamping water The base table snap ring of watch shell and machine core counter, cover mounting base, the modular assembly connecting with cover mounting base and setting exist Cover in cover mounting base, shown water meter case outer wall top are equipped with annular slot, and the machine core counter outer wall is equipped with Stair-stepping card convex ring, it is characterised in that: further include limit fastener, the base table snap ring is opening-like, the base table snap ring packet Outer ring body and inner ring body are included, outer ring body outer wall bottom is equipped with the annular groove that a plurality of outside inner wall of ring bodies are recessed, described Outer ring body is provided in the opening with snap close piece, and the inner ring body is connected to above outer ring body inner wall, and the inner ring body outer wall is equipped with A plurality of buckle convex blocks；

A plurality of overhead kick parts corresponding with buckle convex block on base table snap ring, the cover are equipped on the inside of the cover mounting base Mounting base is fixedly connected with base table snap ring by the mutual cooperation between overhead kick part and buckle convex block, outside the cover mounting base Side is equipped with a plug division being connected with modular assembly, and grafting is equipped on the position at plug division both ends in cover mounting base Slot, the inserting groove is in " soil " shape, and grafting trench bottom is equipped with hook member；

The modular assembly is equipped with grafting pin corresponding with inserting groove, and grafting pin is equipped with the anchor of " convex " shape Slot；

Described limit fastener one end is equipped with " soil " shape convex block, is equipped with fastener on the inside of the other end, and be equipped with above fastener Open slot, the modular assembly and cover mounting base pass through the mutual cooperation between grafting pin, inserting groove and limit fastener three And it is fixedly connected.

2. a kind of dry type is without magnetic NB-IOT water meter according to claim 1, it is characterised in that: be equipped with and pass through above the overhead kick part The removal hole of cover mounting base is worn, and is equipped with positioning groove, the positioning groove setting in the inner ring body outer wall vertical direction Among each buckle convex block.

3. a kind of dry type is without magnetic NB-IOT water meter according to claim 2, it is characterised in that: the overhead kick part is equipped with positioning Convex block.

4. a kind of dry type is without magnetic NB-IOT water meter according to claim 1, it is characterised in that: set at the top of the cover mounting base There is inserting column, and is equipped with grafting convex block corresponding with inserting column on the modular assembly corresponding position.

5. a kind of dry type is without magnetic NB-IOT water meter according to claim 1, it is characterised in that: the plug division bottom, which is equipped with, to hang Hook two, and fastener two corresponding with hook member two is equipped on the modular assembly.

6. a kind of dry type is without magnetic NB-IOT water meter according to claim 1, it is characterised in that: set at the top of the cover mounting base There is a bolt column, the bolt column connects a cover shaft, and the cover is fixed in cover shaft by a pivot pin.

Technical field

The present invention relates to water meter technical field, a kind of dry type is referred in particular to without magnetic NB-IOT water meter.

Background technique

Country's water meter in plan for installation and construction, installed in parallel up and down using an electricity box, more water meters are shared by majority at present Mode, in practical applications, the spacing between table and table is all more narrow, such water meter installation or user watch water meter use When water, influenced by metope installation and table spacing, and common modular assembly structure is to adopt to be screwed in the market, no It by being assembly or later period detachable maintaining, requires to unscrew from top by screw, be influenced by water meter space, operate very tired It is difficult.

Summary of the invention

(1) technical problems to be solved

It is an object of that present invention to provide a kind of dry types without magnetic NB-IOT water meter, and centered on water meter case, base table snap ring can 360 ° of rotations, while modular assembly is installed by way of horizontal grafting to cover mounting base, and water pump composite is made, is read and is torn open Unload maintenance all bring it is very big convenient.To realize that above-mentioned purpose, the present invention adopt the following technical scheme that:

(2) technical solution

A kind of dry type is without magnetic NB-IOT water meter, including water meter case, the machine core counter being mounted on water meter case, clamping The base table snap ring of water meter case and machine core counter, cover mounting base, the modular assembly being connect with cover mounting base and setting Cover in cover mounting base, shown water meter case outer wall top are equipped with annular slot, set on the machine core counter outer wall Have stair-stepping card convex ring, further include limit fastener, the base table snap ring is opening-like, the base table snap ring include outer ring body and Inner ring body, outer ring body outer wall bottom are equipped with the annular groove that a plurality of outside inner wall of ring bodies are recessed, and the outer ring body is being opened Snap close piece is equipped at mouthful, the inner ring body is connected to above outer ring body inner wall, and the inner ring body outer wall is equipped with a plurality of buckles Convex block；A plurality of overhead kick parts corresponding with buckle convex block on base table snap ring, the table are equipped on the inside of the cover mounting base Lid mounting base is fixedly connected with base table snap ring by the mutual cooperation between overhead kick part and buckle convex block, the cover mounting base Outside is equipped with a plug division being connected with modular assembly, and is equipped with and inserts on the position at plug division both ends in cover mounting base Access slot, the inserting groove is in " soil " shape, and grafting trench bottom is equipped with hook member；The modular assembly is equipped with and inserting groove phase Corresponding grafting pin, and grafting pin is equipped with the fixed groove of " convex " shape；It is convex that described limit fastener one end is equipped with " soil " shape Block, other end inside is equipped with fastener, and open slot is equipped with above fastener, and the modular assembly passes through with cover mounting base Mutual cooperation between grafting pin, inserting groove and limit fastener three and be fixedly connected.

Further, the removal hole through cover mounting base is equipped with above the overhead kick part, and perpendicular in the inner ring body outer wall Histogram is arranged among each buckle convex block to positioning groove, the positioning groove is equipped with.

Further, the overhead kick part is equipped with locating convex block.

Further, inserting column is equipped at the top of the cover mounting base, and be equipped on the modular assembly corresponding position with The corresponding grafting convex block of inserting column.

Further, the plug division bottom is equipped with hook member two, and is equipped with and hook member two-phase on the modular assembly Corresponding fastener two.

Further, a bolt column is equipped at the top of the cover mounting base, the bolt column connects a cover shaft, the table Lid is fixed in cover shaft by a pivot pin.

(3) beneficial effect

The present invention has obvious advantages and beneficial effects compared with the existing technology, specifically, the present invention is with following Four characteristics:

1, centered on water meter case, can 360 degree rotation, while cover can be overturn like that with conventional water meter, can also be with water The unscrewing of table level, watches water meter water consumption in this way convenient for the installation of water meter or user.

2, client first installs common dry-type meter, and the later period influences the premise of user's water according to demand, not dismounting water meter Under, can field upgrade be NB-IOT water meter.

3, modular assembly is installed by way of horizontal grafting to cover mounting base, not by water meter between the upper and lower away from being influenced, In conjunction with can 360 ° rotation, make in-site installation or demolition and maintenance more convenient.

4, removal hole is designed in cover mounting base, compared with the product of existing market routine, is not required to by special tool The i.e. implementable disassembly of cover mounting base is destroyed, not only increases removal efficiency, and component will not be damaged, save the cost, together When have anti-disassembling function.

Detailed description of the invention

Fig. 1 is explosive view of the present invention；

Fig. 2 is overall effect figure of the present invention；

Fig. 3 is the base table snap ring schematic diagram in the present invention；

Fig. 4 is the cover mounting base schematic diagram in the present invention；

Fig. 5 is the limit fastener schematic diagram in the present invention；

Fig. 6 is the cover mounting base schematic diagram in the disassembly present invention；

Fig. 7 is the cross-sectional view of Fig. 6；

Fig. 8 is common dry-type meter schematic diagram.

Drawing reference numeral explanation:

1, water meter case 11, annular slot 2, machine core counter 21, card convex ring

3, base table snap ring 31, outer ring body 32, inner ring body 33, annular groove

34, snap close piece 35, buckle convex block 36, positioning groove 4, cover mounting base

41, overhead kick part 42, plug division 43, inserting groove 44, hook member

45, removal hole 46, locating convex block 47, inserting column 48, hook member two

49, bolt column 5, modular assembly 51,52 fixed groove of grafting pin

53, grafting convex block 54,2 6. cover 61 of fastener, cover shaft

62, pivot pin 7, limit fastener 71, " soil " shape convex block 72, fastener

73, open slot 8, special jig 9, common cover

Specific embodiment

The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.

It please refers to shown in Fig. 1 and Fig. 2, a kind of dry type is without magnetic NB-IOT water meter, including water meter case 1, is mounted on shell of water flowmeter Base table snap ring 3, cover mounting base 4 and the cover of machine core counter 2, clamping water meter case 1 and machine core counter 2 on body 1 are pacified Dress seat 4 modular assembly 5 connected and the cover 6 being arranged in cover mounting base 4, further include limit fastener 7, shown shell of water flowmeter Annular slot 11 is equipped at the top of 1 outer wall of body, 2 outer wall of machine core counter is equipped with stair-stepping card convex ring 21.

It please refers to shown in Fig. 3 and Fig. 7, the base table snap ring 3 is opening-like, and the base table snap ring 3 includes 31 He of outer ring body Inner ring body 32, the 31 outer wall bottom of outer ring body is equipped with a plurality of annular grooves 33 being recessed to 31 inner wall of outer ring body, described interior Ring body 32 is connected to above 31 inner wall of outer ring body, and design in this way connects water meter case 1 and machine core counter 2 convenient for base table snap ring 3, Annular groove 33 is stuck on the annular slot 11 of water meter case 1, and inner ring body 32 is stuck on the card convex ring 21 on machine core counter 2, And still there is certain gap in junction in base table 3 clamping of snap ring, to guarantee that base table snap ring 3 can be with water meter case 1 Center and 360 ° of rotations, and are provided in the opening with snap close piece 34 in outer ring body 31, when with the modes such as screw lock snap close piece 34 from And base table snap ring 3 can be locked, 32 outer wall of inner ring body is equipped with a plurality of buckle convex blocks 35, is convenient for base table snap ring 3 and table Lid mounting base 4 connects.

It please refers to shown in Fig. 4, Fig. 6 and Fig. 7, a plurality of cards on base table snap ring 3 is equipped on the inside of the cover mounting base 4 Detain the corresponding overhead kick part 41 of convex block 35, the cover mounting base 4 and base table snap ring 3 by overhead kick part 41 and buckle convex block 35 it Between mutual cooperation and be fixedly connected, in order to later maintenance improve removal efficiency while, component, the overhead kick part will not be damaged 41 tops are equipped with the removal hole 45 through cover mounting base 4, and 32 outer wall of inner ring body on the corresponding base table snap ring 3 is vertical Direction is equipped with positioning groove 36, and the positioning groove 36 is arranged among each buckle convex block 35, in this way in disassembly cover When mounting base 4, removal hole 45 is passed through with special jig 8, subtle rotation ensures that special jig 8 can be squeezed along positioning groove 36 Overwhelming hook part 41 can dismantle quickly, in order to more quickly and more precisely align, overhead kick part 41 be allowed not misplace with convex block 35 is buckled, It just all catches on completely, while guaranteeing that removal hole 45 is directed at positioning groove 36, locating convex block 46, peace are set on overhead kick part 41 When dress when cover mounting base 4, overhead kick part 41 and buckle convex block 35 can be allowed to kiss completely the alignment positioning groove 36 of locating convex block 46 It closes, locating convex block 46 can play position-limiting action simultaneously.It is connected equipped with one with modular assembly 5 on the outside of the cover mounting base 4 Plug division 42, and inserting groove 43 is equipped on the position at 42 both ends of plug division in cover mounting base 4, the inserting groove 43 is in " soil " shape, and 43 bottom of inserting groove is equipped with hook member 44.

Refering to Figure 1, the modular assembly 5 is equipped with grafting pin 51 corresponding with inserting groove 43, and grafting pin 51 are equipped with the fixed groove 52 of " convex " shape, in order to make modular assembly 5 and cover mounting base 4 connect stronger, the table It is equipped with inserting column 47 at the top of lid mounting base 4, and is equipped with insert corresponding with inserting column 47 on 5 corresponding position of modular assembly Convex block 53 is connect, 42 bottom of plug division is equipped with hook member 2 48, and is equipped with and 2 48 phase of hook member on the modular assembly 5 Corresponding fastener 2 54.

It please refers to shown in Fig. 5, described 7 one end of limit fastener is equipped with " soil " shape convex block 71, is equipped with buckle on the inside of the other end Part 72, and open slot 73 is equipped with above fastener, the modular assembly 5 is inserted with cover mounting base 4 by the insertion of grafting pin 51 In access slot 43, then is connected and fixed by limit fastener 7.Upper " soil " the shape convex block 71 of the limit fastener 7 is inserted into grafting In slot 43, while cooperating the fixed groove 52 on grafting pin 43, connect modular assembly 5 firmly with limit fastener 7, limit fastener Fastener 72 on 7 cooperates the hook member 44 of 43 bottom of inserting groove, connect cover mounting base firmly with limit fastener 7, passes through Ingenious relationship between three and be fixedly connected, the effect of open slot 73 is easy for squeezing hook member 44 to dismantling limit fastener well 7。

It please refers to shown in Fig. 1 and Fig. 2, in order to which cover 6 can be overturn as conventional water meter, and can rotate horizontally, in institute It states and is equipped with a bolt column 49 at the top of cover mounting base 4, the bolt column 49 is connected by screw to a cover shaft 61, the cover 6 are fixed in cover shaft 62 by a pivot pin 62.

It please refers to described in Fig. 8, common dry-type meter can be by water meter case 1, machine core counter 2, the base table card in the present invention Ring 3 mixes the common composition of cover 9 again, and the later period according to demand, can scene under the premise of not dismounting water meter influences user's water Upgrade to the NB-IOT water meter in the present invention.

The present invention has following four characteristics:

1, centered on water meter case, can 360 degree rotation, while cover can be overturn like that with conventional water meter, can also be with water The unscrewing of table level, watches water meter water consumption in this way convenient for the installation of water meter or user.

2, client first installs common dry-type meter, and the later period influences the premise of user's water according to demand, not dismounting water meter Under, can field upgrade be NB-IOT water meter.

3, modular assembly is installed by way of horizontal grafting to cover mounting base, not by water meter between the upper and lower away from being influenced, In conjunction with can 360 ° rotation, make in-site installation or demolition and maintenance more convenient.

4, removal hole is designed in cover mounting base, compared with the product of existing market routine, is not required to by special tool The i.e. implementable disassembly of cover mounting base is destroyed, not only increases removal efficiency, and component will not be damaged, save the cost, together When have anti-disassembling function.

The above is only present pre-ferred embodiments, is not intended to limit the scope of the present invention, therefore Any subtle modifications, equivalent variations and modifications to the above embodiments according to the technical essence of the invention, still belong to In the range of technical solution of the present invention.