CN211824582U - Lead-free copper shell for positive displacement cold water meter - Google Patents
Lead-free copper shell for positive displacement cold water meter Download PDFInfo
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- CN211824582U CN211824582U CN202020125110.1U CN202020125110U CN211824582U CN 211824582 U CN211824582 U CN 211824582U CN 202020125110 U CN202020125110 U CN 202020125110U CN 211824582 U CN211824582 U CN 211824582U
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- shell
- water meter
- sides
- positive displacement
- threaded rods
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Abstract
The utility model discloses a positive displacement cold water is leadless copper shell for water gauge, which comprises a housin, the inside water gauge body that is provided with of casing, water gauge body external connection has the retainer plate, the equal fixed dovetail key that is provided with in retainer plate both ends, the equal fixed dovetail that is provided with in shells inner wall both ends. The utility model discloses a rotate two threaded rods and drive two fly leafs and remove further drive to the inserted bar of both sides and outwards shift out from the socket to both sides, water gauge body and casing sliding connection, convenient to detach, when the installation, rotate two threaded rods and make the inserted bar of both sides shift out completely from the socket, assign two dovetail keys into two dovetails, the inserted bar of both sides aligns with the socket of both sides when the water gauge body is assigned to the casing bottom, thereby rotate two threaded rods and make the inserted bar of both sides remove to realize fixing the retainer plate in the socket of both sides, further fix the water gauge body, the fixed effectual of water gauge body and casing.
Description
Technical Field
The utility model relates to a water gauge shell technical field, concretely relates to positive displacement cold water is leadless copper shell for water gauge.
Background
The volumetric water meter measures the actual volume of fluid passing through the water meter, and the most vivid figure is that the rotating door can only rotate in a fixed direction compared with a rotating door in front of a large supermarket or hotel door, and the fluid rotates to the other side through the water meter every time the rotating door rotates by a certain angle, so that the volumetric water meter is more accurate in measurement compared with a speed-type water meter, the error of the speed-type water meter has an error of +/-2% according to the difference of the speed of the fluid, and the error of the volumetric water meter can be controlled to be +/-0.5% or even lower;
the prior art has the following defects: all install through the screw between current positive displacement water gauge shell and the water gauge, when the water gauge damages need to be changed or overhauls the water gauge, need use special splitter, it is inconvenient to dismantle, and the practicality is relatively poor, and current positive displacement water gauge shell is poor to the fixed effect of water gauge simultaneously, and the water gauge is using the phenomenon of leaking to appear easily for a long time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a lead-free copper shell is used to positive displacement cold water gauge, move to both sides through rotating two threaded rods and further drive and outwards shift out from the socket to the inserted bar of both sides, water gauge body and casing sliding connection, be convenient for the dismantlement of water gauge body and casing, when installing the water gauge body, rotate two threaded rods respectively to both sides and make the inserted bar of both sides shift out completely from the socket, assign two dovetail keys into two dovetails, the inserted bar of both sides aligns with the socket of both sides when the water gauge body assigns to the casing bottom, thereby rotate two threaded rods and make the inserted bar of both sides move to the socket of both sides in realizing fixing the retainer plate, further fix the water gauge body, the fixed effectual of water gauge body and casing, with the above-mentioned weak point in the solution technique.
In order to achieve the above object, the present invention provides the following technical solutions: a lead-free copper shell for a positive displacement cold water meter comprises a shell, wherein a water meter body is arranged in the shell, a fixed ring is connected outside the water meter body, dovetail keys are fixedly arranged at two ends of the fixed ring, dovetail grooves are fixedly arranged at two ends of the inner wall of the shell, two dovetail keys are inserted in the two dovetail grooves, joint pipes are fixedly arranged at two ends of the shell, fixed cavities are respectively connected between the two joint pipes and the shell, movable plates are fixedly arranged in the two fixed cavities, threaded rods are respectively connected between the two movable plates and the two fixed cavities, bearings are respectively arranged at the joints of the two threaded rods and the two movable plates, the two threaded rods are rotatably connected with the movable plates at corresponding positions through the two bearings, two insert rods are fixedly arranged at the opposite ends of the two movable plates, two sockets are respectively fixedly arranged at two ends of the fixed ring and two ends of the, four inserted bars are respectively inserted in four sockets, and two springs are connected between the two movable plates and the shell.
Preferably, the top of the shell is provided with a cover body in a matching manner, and the middle part of the cover body is fixedly provided with a transparent plate.
Preferably, the inner circumferential surface of the cover body is fixedly provided with an internal thread, the outer surface of the shell body is fixedly provided with an external thread, and the cover body is in threaded connection with the shell body.
Preferably, the outer surface of one side of the two joint pipes, which is far away from the water meter body, is fixedly provided with an external thread.
Preferably, the top of the two joint pipes and the top of the inner side of the two fixed cavities are fixedly provided with limit grooves, the top and the bottom of the two movable plates are fixedly provided with limit blocks, and the four limit blocks are respectively arranged in the four limit grooves.
Preferably, the one end that the water gauge body was kept away from to two fixed chambeies all fixedly is provided with the screw hole, and two threaded rods threaded connection are threaded connection respectively in two threaded holes.
Preferably, the handles are fixedly arranged at the opposite ends of the two threaded rods.
In the technical scheme, the utility model provides a technological effect and advantage:
the cover body is opened, the two threaded rods are respectively rotated towards two sides to drive the two movable plates to move towards two sides so as to further drive the inserted rods on two sides to move outwards from the sockets, when the inserted rods on two sides are completely moved out of the fixed ring outside the water meter body, the water meter body is in sliding connection with the shell, the disassembly of the water meter body and the shell is convenient, when the water meter body is installed, the two threaded rods are respectively rotated towards two sides so that the inserted rods on two sides are completely moved out of the sockets, the two dovetail keys are inserted into the two dovetail grooves, when the water meter body is inserted to the bottom of the shell, the inserted rods on two sides are aligned with the sockets on two sides, the inserted rods on two sides are moved into the sockets on two sides by rotating the two threaded rods so as to fix the fixed ring, the water meter body is further fixed, the two threaded rods are prevented from rotating under the action of springs on two sides, the installation speed, compared with the prior art, the water meter has the advantages of being convenient to install and detach, and meanwhile, the water meter body is good in fixing effect.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an enlarged view of a portion a of fig. 1 according to the present invention.
Fig. 3 is an enlarged view of a portion B of fig. 1 according to the present invention.
Fig. 4 is a partial structural plan view of the present invention.
Fig. 5 is a schematic view of a partial structure of the insert rod of the present invention.
Description of reference numerals:
1. a housing; 2. a water meter body; 3. a joint pipe; 4. a fixed cavity; 5. a cover body; 6. a transparent plate; 7. a threaded rod; 8. a bearing; 9. a movable plate; 10. a spring; 11. a stationary ring; 12. a socket; 13. inserting a rod; 14. a dovetail key; 15. a dovetail groove.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
The utility model provides a lead-free copper shell for a positive displacement cold water meter as shown in figures 1-5, which comprises a shell 1, wherein a water meter body 2 is arranged inside the shell 1, the outside of the water meter body 2 is connected with a fixed ring 11, two ends of the fixed ring 11 are both fixedly provided with a dovetail key 14, two ends of the inner wall of the shell 1 are both fixedly provided with dovetail grooves 15, two dovetail keys 14 are inserted in the two dovetail grooves 15, two ends of the shell 1 are both fixedly provided with joint pipes 3, a fixed cavity 4 is connected between the two joint pipes 3 and the shell 1, a movable plate 9 is fixedly arranged inside the two fixed cavities 4, a threaded rod 7 is connected between the two movable plates 9 and the two fixed cavities 4, the joints of the two threaded rods 7 and the two movable plates 9 are both provided with bearings 8, and the two threaded rods 7 are rotatably connected with the movable plates 9 at corresponding positions through the two bearings, two inserting rods 13 are fixedly arranged at the opposite ends of the two movable plates 9, two inserting holes 12 are fixedly arranged at the two ends of the fixed ring 11 and the two ends of the two dovetail keys 14, the four inserting rods 13 are respectively inserted into the four inserting holes 12, and two springs 10 are connected between the two movable plates 9 and the shell 1;
further, in the above technical solution, a cover body 5 is provided at the top of the housing 1 in a matching manner, and a transparent plate 6 is fixedly provided at the middle part of the cover body 5, so that the water meter body 2 can be conveniently viewed;
further, in the above technical solution, an internal thread is fixedly provided on an inner circumferential surface of the cover 5, an external thread is fixedly provided on an outer surface of the housing 1, and the cover 5 is in threaded connection with the housing 1, so that the cover 5 is conveniently connected with the housing 1;
furthermore, in the above technical scheme, external threads are fixedly arranged on the outer surfaces of the two joint pipes 3 on the sides far away from the water meter body 2, so that the water meter body 2 can be conveniently installed;
furthermore, in the above technical solution, the top of each of the two joint pipes 3 and the top of the inner side of each of the two fixed cavities 4 are fixedly provided with a limiting groove, the top and the bottom of each of the two movable plates 9 are fixedly provided with limiting blocks, and the four limiting blocks are respectively arranged in the four limiting grooves to realize the downward movement limiting of the movable plates 9;
furthermore, in the above technical scheme, threaded holes are fixedly formed in the ends, away from the water meter body 2, of the two fixing cavities 4, and the two threaded rods 7 are respectively in threaded connection with the two threaded holes, so that the threaded rods 7 are rotated for further transmission;
further, in the above technical scheme, handles are fixedly arranged at opposite ends of the two threaded rods 7, so that the threaded rods 7 can be conveniently rotated;
the implementation mode is specifically as follows: when the water meter body 2 is disassembled, the cover body 5 is opened, the two threaded rods 7 are respectively rotated towards two sides, under the action of the bearing 8, the limiting block and the limiting groove, the two threaded rods 7 drive the two movable plates 9 to move towards two sides, the two movable plates 9 simultaneously drive the inserted rods 13 at two sides to move outwards from the inserting ports 12 when moving towards two sides, when the inserted rods 13 at two sides are completely moved out from the fixed ring 11 at the outer side of the water meter body 2, the water meter body 2 is in sliding connection with the shell 1, the disassembly of the water meter body 2 and the shell 1 is convenient, when the water meter body 2 is assembled, the two threaded rods 7 are respectively rotated towards two sides to ensure that the inserted rods 13 at two sides are completely moved out from the inserting ports 12, the dovetail keys 14 at two ends of the fixed ring 11 are inserted into the dovetail grooves 15 at two sides of the shell 1, the dovetail keys 14 and the dovetail grooves 15 realize the limiting of the water meter body 2, when, at the moment, the inserted rods 13 on the two sides are aligned with the sockets 12 on the two sides, the two threaded rods 7 are respectively rotated towards the inside of the two fixed cavities 4, the two movable plates 9 drive the inserted rods 13 on the two sides to move into the sockets 12 on the two sides so as to fix the fixed ring 11, the water meter body 2 is further fixed, when the inserted rods 13 on the two sides are inserted into the sockets 12 on the two sides, the springs 10 on the two sides are compressed, under the action of the springs 10 on the two sides, the two threaded rods 7 and the fixed cavities 4 are relatively fixed, the two threaded rods 7 are prevented from rotating, the installation speed is high, meanwhile, the fixing effect of the water meter body 2 and the shell 1 is good, when the water meter is installed, the cover body 5 is covered, the embodiment specifically solves the problems that the installation is carried out between the existing volume type water meter shell 1 and the water meter through screws, when the water meter is damaged, a special dismounting device is needed, dismantle inconveniently, the practicality is relatively poor, and current positive displacement water meter case 1 is poor to the fixed effect of water gauge simultaneously, and the water gauge is long-time the problem that the phenomenon of leaking appears in the long-time use easily.
This practical theory of operation: drive two fly leaf 9 and move to both sides through rotating two threaded rods 7 and further drive and outwards shift out from socket 12 to the inserted bar 13 of both sides, water gauge body 2 and casing 1 sliding connection, be convenient for the dismantlement of water gauge body 2 and casing 1, when installing water gauge body 2, rotate two threaded rods 7 to both sides respectively and make the inserted bar 13 of both sides shift out completely from socket 12, assign two dovetail keys 14 in two dovetail 15, the inserted bar 13 of both sides aligns with the socket 12 of both sides when water gauge body 2 assigns to casing 1 bottom, thereby rotate two threaded rods 7 and make the inserted bar 13 of both sides move to the realization in the socket 12 of both sides and fix retainer plate 11, further with water gauge body 2 fixed.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (7)
1. The utility model provides a lead-free copper shell for positive displacement cold water gauge, includes casing (1), its characterized in that: the water meter comprises a shell (1), a water meter body (2) is arranged in the shell (1), a fixing ring (11) is connected to the outside of the water meter body (2), dovetail keys (14) are fixedly arranged at two ends of the fixing ring (11), dovetail grooves (15) are fixedly arranged at two ends of the inner wall of the shell (1), two dovetail keys (14) are inserted into the two dovetail grooves (15), connector pipes (3) are fixedly arranged at two ends of the shell (1), a fixing cavity (4) is connected between the two connector pipes (3) and the shell (1), movable plates (9) are fixedly arranged in the two fixing cavities (4), threaded rods (7) are connected between the two movable plates (9) and the two fixing cavities (4), bearings (8) are arranged at joints of the two threaded rods (7) and the two movable plates (9), and the two threaded rods (7) are rotatably connected with the movable plates (9) at corresponding positions through the two bearings (8), two inserted bars (13) are fixedly arranged at the opposite ends of the two movable plates (9), two sockets (12) are fixedly arranged at the two ends of the fixing ring (11) and the two ends of the two dovetail keys (14), the four inserted bars (13) are respectively inserted into the four sockets (12), and two springs (10) are connected between the two movable plates (9) and the shell (1).
2. The lead-free copper shell for a positive displacement cold water meter as claimed in claim 1, wherein: the top of the shell (1) is provided with a cover body (5) in a matching way, and the middle part of the cover body (5) is fixedly provided with a transparent plate (6).
3. The lead-free copper shell for a positive displacement cold water meter as claimed in claim 2, wherein: the inner circumferential surface of the cover body (5) is fixedly provided with internal threads, the outer surface of the shell (1) is fixedly provided with external threads, and the cover body (5) is in threaded connection with the shell (1).
4. The lead-free copper shell for a positive displacement cold water meter as claimed in claim 1, wherein: the outer surface of one side of the two joint pipes (3) far away from the water meter body (2) is fixedly provided with external threads.
5. The lead-free copper shell for a positive displacement cold water meter as claimed in claim 1, wherein: the top of the two joint pipes (3) and the top of the inner side of the two fixed cavities (4) are fixedly provided with limit grooves, the top and the bottom of the two movable plates (9) are fixedly provided with limit blocks, and the four limit blocks are arranged in the four limit grooves respectively.
6. The lead-free copper shell for a positive displacement cold water meter as claimed in claim 1, wherein: one end of each fixed cavity (4) far away from the water meter body (2) is fixedly provided with a threaded hole, and the two threaded rods (7) are respectively in threaded connection with the two threaded holes.
7. The lead-free copper shell for a positive displacement cold water meter as claimed in claim 1, wherein: the handles are fixedly arranged at the back ends of the two threaded rods (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020125110.1U CN211824582U (en) | 2020-01-20 | 2020-01-20 | Lead-free copper shell for positive displacement cold water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020125110.1U CN211824582U (en) | 2020-01-20 | 2020-01-20 | Lead-free copper shell for positive displacement cold water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211824582U true CN211824582U (en) | 2020-10-30 |
Family
ID=72990895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020125110.1U Expired - Fee Related CN211824582U (en) | 2020-01-20 | 2020-01-20 | Lead-free copper shell for positive displacement cold water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211824582U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923991A (en) * | 2021-01-18 | 2021-06-08 | 临沂瑞新水表有限公司 | Detachable water gauge shell of WPH |
-
2020
- 2020-01-20 CN CN202020125110.1U patent/CN211824582U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923991A (en) * | 2021-01-18 | 2021-06-08 | 临沂瑞新水表有限公司 | Detachable water gauge shell of WPH |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 Termination date: 20220120 |