Clamping and fixing device for water meter verification

Abstract

The utility model discloses a clamping and fixing device for water meter verification, and belongs to the technical field of water meter verification. The defect that in the prior art, a clamping and fixing pipeline provided with a plurality of water meter fixing positions is troublesome when a single water meter is calibrated is overcome. The water meter calibration device mainly comprises a supporting seat, a main water meter calibration pipeline and an auxiliary water meter calibration pipeline are installed on the supporting seat, the auxiliary water meter calibration pipeline comprises auxiliary guide rods on the two sides, an auxiliary fixing plate is installed at the front end between the auxiliary guide rods on the two sides, and an auxiliary sliding plate is installed at the rear end between the auxiliary guide rods on the two sides; the front end and the rear end of the main water meter verification pipeline are connected with an outlet of a front three-way valve and an inlet of a rear three-way valve respectively, the inlet of the front three-way valve is connected with a water inlet pipe, the other outlet of the front three-way valve is connected with a limber hole of an auxiliary fixing plate, and two outlets of the rear three-way valve are connected with a water outlet pipe and a limber hole of an auxiliary sliding plate respectively. The water through hole of the auxiliary sliding plate is connected with a rear three-way valve through a rear connecting pipe, and a hose section is arranged on the rear connecting pipe.

Description

Technical Field

[0001] The utility model belongs to the technical field of water meter calibration, and in particular relates to a clamping and fixing device for water meter calibration. Background Art

[0002] When calibrating a water meter, it is necessary to fix the water meter on a clamping and fixing pipeline. The clamping and fixing pipeline can ensure that water of a certain pressure does not leak when passing through the water meter to be calibrated. When the current water meter clamping and fixing pipeline is used to fix the water meter, many of them clamp the water meter by means of a meter clamp. Currently, a clamping and fixing pipeline for water meter calibration is usually provided with multiple water meter fixing positions, and a water meter is fixed on each water meter fixing position. The water meter clamping and fixing pipeline of this structure is suitable for calibrating multiple water meters at the same time. However, in the water meter calibration work, sometimes it is necessary to calibrate a single water meter. The clamping and fixing pipeline with multiple water meter fixing positions is more troublesome when calibrating a single water meter, such as the patent publication number CN209745378U, which is named a patent for a water meter calibration device. The utility model proposes a clamping and fixing device for water meter calibration, which is not only suitable for calibrating multiple water meters at the same time, but also suitable for calibrating a single water meter. Summary of the invention

[0003] The utility model aims to provide a clamping and fixing device for water meter calibration, so as to overcome the defect that the clamping and fixing pipeline for water meter calibration with multiple water meter fixing positions installed in the prior art is troublesome when calibrating a single water meter.

[0004] The utility model is realized by adopting the following technical scheme: a clamping and fixing device for water meter calibration, comprising a support seat, on which a main water meter calibration pipeline and a secondary water meter calibration pipeline are installed, wherein the secondary water meter calibration pipeline comprises secondary guide rods fixedly installed on the support seat at two sides, a secondary fixing plate fixedly installed at the front end between the secondary guide rods at the two sides, a secondary sliding plate slidably installed at the rear end between the secondary guide rods at the two sides, water holes are respectively provided on the secondary fixing plate and the secondary sliding plate, support pipes are respectively installed on the inner side of the water hole of the secondary fixing plate and the inner side of the water hole of the secondary sliding plate, and the support pipes are respectively installed on the inner side of the water hole of the secondary fixing plate and the secondary sliding plate, and the support pipes are respectively installed on the inner side of the water hole of the secondary fixing plate and the secondary sliding plate. A notch is provided on the upper part; the front and rear ends of the main water meter calibration pipeline are respectively connected to an outlet of the front three-way valve and the inlet of the rear three-way valve, the inlet of the front three-way valve is connected to the water inlet pipe, the other outlet of the front three-way valve is connected to the water hole of the auxiliary fixed plate, the two outlets of the rear three-way valve are respectively connected to the water outlet pipe and the water hole of the auxiliary sliding plate, the water hole of the auxiliary sliding plate is connected to the rear three-way valve through the rear connecting pipe, the rear connecting pipe is provided with a hose section, and the hose section is a hose; the support seat is fixedly installed with a cylinder on the rear side of the auxiliary fixed plate, and the piston rod of the cylinder is connected to the auxiliary sliding plate and drives the auxiliary sliding plate to slide.

[0005] Furthermore, sealing steps are respectively provided on the inner side of the water through hole of the auxiliary fixed plate and the inner side of the water through hole of the auxiliary sliding plate, and sealing rings are installed on the sealing steps.

[0006] Furthermore, the water through hole of the auxiliary fixing plate is connected to the front three-way valve through a front connecting pipe, and a plurality of support plates are installed between the front connecting pipe and the support seat.

[0007] Furthermore, guide holes for the auxiliary guide rods on both sides to pass through are respectively provided on both sides of the auxiliary sliding plate.

[0008] Furthermore, the main water meter calibration pipeline includes main guide rods fixedly installed on the support seats on both sides, a main fixed plate fixedly installed at the front end between the main guide rods on both sides, a main sliding plate slidably installed at the rear end between the main guide rods on both sides, water holes are respectively opened on the main fixed plate and the main sliding plate, support tubes are respectively installed on the inner side of the water hole of the main fixed plate and the inner side of the water hole of the main sliding plate, and a plurality of intermediate plates are also slidably installed between the main guide rods on both sides, the intermediate plate is between the main fixed plate and the main sliding plate, water holes are opened on the intermediate plate and support tubes are respectively installed on both sides of the water holes; the main water meter calibration pipeline also includes a meter clamp fixedly installed on the support seat, the meter clamp includes an outer cylinder, a telescopic tube is slidably installed at the front end of the outer cylinder, the telescopic tube is connected to the water hole of the main sliding plate and is fixedly connected to the main sliding plate, and a water outlet is provided at the rear end of the outer cylinder and the water outlet is connected to the inlet of the rear three-way valve.

[0009] Furthermore, sealing steps are respectively provided on the inner sides of the water holes of the main fixed plate and the main sliding plate, and sealing steps are respectively provided on both sides of the water holes of the middle plate, and sealing rings are installed on the sealing steps.

[0010] Furthermore, guide holes for the main guide rods on both sides to pass through are respectively formed on both sides of the main sliding plate, and guide holes for the main guide rods on both sides to pass through are respectively formed on both sides of the middle plate.

[0011] Furthermore, the main guide rod is provided with a support plate between the rear side of the main sliding plate and the support seat.

[0012] Furthermore, the auxiliary guide rod is provided with a support plate between the rear side of the auxiliary sliding plate and the support seat.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model can conveniently calibrate a water meter separately by installing a secondary water meter calibration pipeline on a support seat based on the main water meter calibration pipeline, effectively enhancing the applicability of the utility model and solving the problem that the current main water meter calibration pipeline is troublesome when calibrating a single water meter. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a structural schematic diagram of the utility model

[0016] Figure 2 It is a cross-sectional view of the intermediate plate 23 of the present invention.

[0017] In the figure: 1. support seat; 2. main water meter calibration pipeline; 3. auxiliary water meter calibration pipeline; 4. auxiliary guide rod; 5. auxiliary fixed plate; 6. auxiliary sliding plate; 7. water hole; 8. support pipe; 9. notch; 10. front three-way valve; 11. rear three-way valve; 12. water inlet pipe; 13. water outlet pipe; 14. rear connecting pipe; 15. hose section; 16. cylinder; 17. sealing step; 18. front connecting pipe; 19. support plate; 20. main guide rod; 21. main fixed plate; 22. main sliding plate; 23. middle plate; 24. meter clamp; 25. outer cylinder; 26. telescopic tube. DETAILED DESCRIPTION

[0018] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0019] A clamping and fixing device for water meter calibration includes a support base 1, on which a main water meter calibration pipeline 2 and an auxiliary water meter calibration pipeline 3 are installed. When multiple water meters need to be calibrated at the same time, we can only use the main water meter calibration pipeline 2, and when only one water meter needs to be calibrated, we can only use the auxiliary water meter calibration pipeline 3.

[0020] The auxiliary water meter calibration pipeline 3 includes auxiliary guide rods 4 fixedly installed on the support seat 1 on both sides, an auxiliary fixed plate 5 fixedly installed at the front end between the auxiliary guide rods 4 on both sides, and an auxiliary sliding plate 6 slidably installed at the rear end between the auxiliary guide rods 4 on both sides. Water holes 7 are respectively provided on the auxiliary fixed plate 5 and the auxiliary sliding plate 6. The auxiliary guide rod 4 is installed with a support plate 19 between the rear side of the auxiliary sliding plate 6 and the support seat 1, so that the two ends of the auxiliary guide rod 4 are respectively supported by the auxiliary fixed plate 5 and the support plate 19.

[0021] The auxiliary fixed plate 5 and the auxiliary sliding plate 6 are respectively installed with support tubes 8 on the inner side of the water hole 7. A notch 9 is provided on the upper part of the support tube 8. When in use, the connecting pipes at both ends of the water meter are respectively placed on the notches 9 of the support tubes 8 on both sides.

[0022] The front and rear ends of the main water meter calibration pipeline 2 are respectively connected to an outlet of the front three-way valve 10 and the inlet of the rear three-way valve 11, the inlet of the front three-way valve 10 is connected to the water inlet pipe 12, the other outlet of the front three-way valve 10 is connected to the water hole 7 of the auxiliary fixed plate 5, the two outlets of the rear three-way valve 11 are respectively connected to the water outlet pipe 13 and the water hole 7 of the auxiliary sliding plate 6, the water hole 7 of the auxiliary sliding plate 6 is connected to the rear three-way valve 11 through the rear connecting pipe 14, the rear connecting pipe 14 is provided with a hose section 15, the hose section 15 is a hose, the rear three-way valve 11 is connected to the outlet of the auxiliary sliding plate 6 and is connected to a stainless steel pipe, the stainless steel pipe is connected to the hose of the hose section 15, and the hose is connected to Connected to the auxiliary sliding plate 6; the utility model realizes the switching of the main water meter calibration pipeline 2 and the auxiliary water meter calibration pipeline 3 through the front three-way valve 10 and the rear three-way valve 11. When we only use the main water meter calibration pipeline 2, the front three-way valve 10 and the rear three-way valve 11 are used to connect the main water meter calibration pipeline 2 to the water inlet pipe 12 and the water outlet pipe 13 respectively, and the auxiliary water meter calibration pipeline 3 is not connected to the water inlet pipe 12 and the water outlet pipe 13. When we only use the auxiliary water meter calibration pipeline 3, the front three-way valve 10 and the rear three-way valve 11 are used to connect the auxiliary water meter calibration pipeline 3 to the water inlet pipe 12 and the water outlet pipe 13 respectively, and the main water meter calibration pipeline 2 is not connected to the water inlet pipe 12 and the water outlet pipe 13.

[0023] The support seat 1 is fixedly installed with a cylinder 16 on the rear side of the auxiliary fixed plate 5. The piston rod of the cylinder 16 is connected to the auxiliary sliding plate 6 and drives the auxiliary sliding plate 6 to slide. The utility model pulls the auxiliary sliding plate 6 along the auxiliary guide rod 4 toward the auxiliary fixed plate 5 by the piston rod of the cylinder 16, thereby achieving the function of clamping the water meter between the auxiliary fixed plate 5 and the auxiliary sliding plate 6.

[0024] The inner side of the water hole 7 of the auxiliary fixed plate 5 and the inner side of the water hole 7 of the auxiliary sliding plate 6 are respectively provided with sealing steps 17, and sealing rings are installed on the sealing steps 17. When the utility model is installed, the water meter is placed on the gaps 9 of the support pipes 8 on both sides, and when the auxiliary sliding plate 6 moves toward the auxiliary fixed plate 5, the connecting pipes at both ends of the water meter will be inserted into the support pipe 8 and the water hole 7, and will be in close contact with the sealing rings on the sealing steps 17 of the water hole 7 to achieve sealing.

[0025] The water hole 7 of the auxiliary fixing plate 5 is connected to the front three-way valve 10 through a front connecting pipe 18. A plurality of supporting plates 19 are installed between the front connecting pipe 18 and the supporting seat 1. The front connecting pipe 18 is made of a stainless steel pipe.

[0026] The two sides of the auxiliary sliding plate 6 are respectively provided with guide holes for the auxiliary guide rods 4 on both sides to pass through. The auxiliary sliding plate 6 slides along the auxiliary guide rods 4 on both sides.

[0027] The main water meter calibration pipeline 2 includes main guide rods 20 fixedly installed on the support seat 1 on both sides, a main fixed plate 21 is fixedly installed at the front end between the main guide rods 20 on both sides, and a main sliding plate 22 is slidably installed at the rear end between the main guide rods 20 on both sides. Water holes 7 are respectively opened on the main fixed plate 21 and the main sliding plate 22. Support tubes 8 are respectively installed on the inner side of the water hole 7 of the main fixed plate 21 and the main sliding plate 22. A plurality of intermediate plates 23 are also slidably installed between the main guide rods 20 on both sides. The intermediate plate 23 is between the main fixed plate 21 and the main sliding plate 22. Water holes 7 are opened on the intermediate plate 23 and support tubes 8 are respectively installed on both sides of the water hole 7; in the main water meter calibration pipeline 2, a water meter installation position is provided between every two relatively arranged support tubes 8, and a water meter can be installed at each water meter installation position, and the water meters are respectively placed on the notches 9 of the two relatively arranged support tubes 8.

[0028] The main water meter calibration pipeline 2 also includes a meter clamp 24 fixedly mounted on the support seat 1, the meter clamp 24 includes an outer tube 25, the two ends of the outer tube 25 are respectively fixedly mounted with support plates 19, and the outer tube 25 is fixedly mounted on the support seat 1 through the support plates 19, and the front end of the outer tube 25 is slidably mounted with a telescopic tube 26, and the telescopic tube 26 is driven by the cylinder 16 to telescope relative to the outer tube 25, and the telescopic tube 26 is connected to the water hole 7 of the main sliding plate 22 and is fixedly connected to the main sliding plate 22, and the rear end of the outer tube 25 is provided with a water outlet, and the water outlet is connected to the inlet of the rear three-way valve 11. The inner side of the water hole 7 of the main fixed plate 21 and the inner side of the water hole 7 of the main sliding plate 22 are respectively provided with sealing steps 17, and the two sides of the water hole 7 of the intermediate plate 23 are respectively provided with sealing steps 17, and sealing rings are installed on the sealing steps 17. During calibration, the cylinder 16 of the water meter clamp 24 pushes the telescopic tube 26 to extend forward relative to the outer cylinder 25. While extending, the telescopic tube 26 pushes the main sliding plate 22 to move forward. During the sliding process of the main sliding plate 22 relative to the main guide rod 20, the water meter between the main sliding plate 22 and the adjacent middle plate 23 and the adjacent middle plate 23 will be pushed forward. The adjacent middle plate 23 then pushes the water meter and the middle plate 23 on the front side to move forward, and so on, until the water meters on the main water meter calibration pipeline 2 are in close contact with the sealing ring on the sealing step 17.

[0029] The two sides of the main sliding plate 22 are respectively provided with guide holes for the two side main guide rods 20 to pass through, and the two sides of the middle plate 23 are respectively provided with guide holes for the two side main guide rods 20 to pass through. The main sliding plate 22 slides along the two side main guide rods 20, and the middle plate 23 slides along the two side main guide rods 20.

[0030] A support plate 19 is installed between the rear end of the main guide rod 20 and the support seat 1 .

[0031] A support plate 19 is installed between the rear end of the auxiliary guide rod 4 and the support seat 1 .

Claims

1. A clamping and fixing device for water meter calibration, characterized in that: The invention comprises a support base (1), a main water meter calibration pipeline (2) and a secondary water meter calibration pipeline (3) are installed on the support base (1), the secondary water meter calibration pipeline (3) comprises secondary guide rods (4) fixedly installed on the support base (1) on both sides, a secondary fixed plate (5) fixedly installed at the front end between the secondary guide rods (4) on both sides, a secondary sliding plate (6) slidably installed at the rear end between the secondary guide rods (4) on both sides, water holes (7) are respectively provided on the secondary fixed plate (5) and the secondary sliding plate (6), support pipes (8) are respectively installed on the inner side of the water hole (7) of the secondary fixed plate (5) and the inner side of the water hole (7) of the secondary sliding plate (6), and a notch (9) is provided on the upper part of the support pipe (8); the front and rear ends of the main water meter calibration pipeline (2) are respectively connected to the secondary fixed plate (5) and the secondary sliding plate (6). An outlet of the front three-way valve (10) and an inlet of the rear three-way valve (11), the inlet of the front three-way valve (10) is connected to a water inlet pipe (12), the other outlet of the front three-way valve (10) is connected to a water through hole (7) of the auxiliary fixed plate (5), the two outlets of the rear three-way valve (11) are respectively connected to a water outlet pipe (13) and a water through hole (7) of the auxiliary sliding plate (6), the water through hole (7) of the auxiliary sliding plate (6) is connected to the rear three-way valve (11) via a rear connecting pipe (14), a hose section (15) is provided on the rear connecting pipe (14), and the hose section (15) is a hose; the support seat (1) is fixedly mounted with a cylinder (16) on the rear side of the auxiliary fixed plate (5), the piston rod of the cylinder (16) is connected to the auxiliary sliding plate (6) and drives the auxiliary sliding plate (6) to slide.

2. The clamping and fixing device for water meter calibration according to claim 1, characterized in that: The inner side of the water through hole (7) of the auxiliary fixed plate (5) and the inner side of the water through hole (7) of the auxiliary sliding plate (6) are respectively provided with sealing steps (17), and a sealing ring is installed on the sealing step (17).

3. The clamping and fixing device for water meter calibration according to claim 1, characterized in that: The water through hole (7) of the auxiliary fixing plate (5) is connected to the front three-way valve (10) via a front connecting pipe (18), and a plurality of supporting plates (19) are installed between the front connecting pipe (18) and the supporting seat (1).

4. The clamping and fixing device for water meter calibration according to claim 1, characterized in that: Guide holes for the auxiliary guide rods (4) on both sides to pass through are respectively provided on both sides of the auxiliary sliding plate (6).

5. The clamping and fixing device for water meter calibration according to claim 1, characterized in that: The main water meter calibration pipeline (2) comprises main guide rods (20) fixedly mounted on the support seat (1) on both sides, a main fixed plate (21) fixedly mounted at the front end between the main guide rods (20) on both sides, a main sliding plate (22) slidably mounted at the rear end between the main guide rods (20) on both sides, water holes (7) are respectively provided on the main fixed plate (21) and the main sliding plate (22), support pipes (8) are respectively mounted on the inner side of the water hole (7) of the main fixed plate (21) and the inner side of the water hole (7) of the main sliding plate (22), and a plurality of intermediate plates (23) are also slidably mounted between the main guide rods (20) on both sides, and the intermediate plates (23) are slidably mounted on the inner side of the water hole (7) of the main fixed plate (21). 23) Between the main fixed plate (21) and the main sliding plate (22), a water hole (7) is provided on the middle plate (23) and support pipes (8) are respectively installed on both sides of the water hole (7); the main water meter calibration pipeline (2) also includes a meter clamp (24) fixedly installed on the support seat (1), the meter clamp (24) includes an outer tube (25), a telescopic tube (26) is slidably installed at the front end of the outer tube (25), the telescopic tube (26) is connected to the water hole (7) of the main sliding plate (22) and is fixedly connected to the main sliding plate (22), and a water outlet is provided at the rear end of the outer tube (25) and the water outlet is connected to the inlet of the rear three-way valve (11).

6. The clamping and fixing device for water meter calibration according to claim 5, characterized in that: Sealing steps (17) are respectively provided on the inner sides of the water through hole (7) of the main fixed plate (21) and the inner sides of the water through hole (7) of the main sliding plate (22), and sealing steps (17) are respectively provided on both sides of the water through hole (7) of the intermediate plate (23), and sealing rings are installed on the sealing steps (17).

7. The clamping and fixing device for water meter calibration according to claim 5, characterized in that: Guide holes for the main guide rods (20) on both sides to pass through are respectively formed on both sides of the main sliding plate (22), and guide holes for the main guide rods (20) on both sides to pass through are respectively formed on both sides of the middle plate (23).

8. The clamping and fixing device for water meter calibration according to claim 5, characterized in that: The main guide rod (20) is installed on the support plate (19) between the rear side of the main sliding plate (22) and the support seat (1).

9. The clamping and fixing device for water meter calibration according to claim 1, characterized in that: The auxiliary guide rod (4) is provided with a support plate (19) between the rear side of the auxiliary sliding plate (6) and the support seat (1).

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