A split valve controlled jet water meter

Abstract

The utility model discloses a split valve-controlled jet water meter, which relates to the technical field of jet water meters. The split valve-controlled jet water meter comprises a water meter body, a first connecting line is arranged on the side of the water meter body, a first connecting head is fixedly connected to one end of the first connecting line away from the water meter body, a second connecting head is arranged at one end of the first connecting head away from the first connecting line, a second connecting line is fixedly connected to one end of the second connecting head away from the first connecting head, a control box is arranged at one end of the second connecting head away from the second connecting head, and the present application achieves the goal of inserting the first connecting head into the anti-collision box and connecting with the second connecting head by arranging a fixing mechanism, and at the same time, the first connecting head and the second connecting head are fixed by the cooperation of the arc block and the fixing block, so that they are not easy to separate, and when disassembly is required, only the protective cover needs to be opened and the airbag A is pressed to separate the first connecting head from the second connecting head.

Description

Technical Field

[0001] The utility model relates to the technical field of jet water meters, in particular to a split valve-controlled jet water meter. Background Art

[0002] A jet water meter is a water meter that uses the wall effect to make the fluid itself oscillate, and uses the characteristic that the oscillation frequency is linearly related to the flow velocity to achieve flow measurement. There are no mechanical transmission parts inside the water meter, it is not affected by sand and other particles, and it does not measure gases or impurities such as air mixed in the water. It has low requirements for the water quality and can be used under conditions of poor water quality. It is more durable than traditional mechanical water meters, has high measurement accuracy, and can ensure that its accuracy is maintained throughout its service life.

[0003] The utility model with publication number CN215726200U discloses an intelligent split valve-controlled jet water meter, including a first connecting line, the middle part of the adjacent side of the first limit rotating plate is fixedly connected to the front and rear ends of the first rotating rod, the middle outer periphery of the first rotating rod is rotatably connected to a first buckle, the left side of the first connecting head is plugged with a second connecting head, the middle part of the adjacent side of the second limit rotating plate is fixedly connected to the two ends of the second rotating rod, the middle outer periphery of the second rotating rod is rotatably connected to a second buckle, and a tension spring is arranged in the slot, and the upper end of the tension spring The two ends of the first clamping plate are fixedly connected to the two ends of the lower side of the first clamping plate, and the lower ends of the tension spring are fixedly connected to the two ends of the upper side of the second clamping plate. In the above application document, the first connecting head is inserted into the second connecting head, the first clip is rotated through the first limit rotating plate and the first rotating rod to clamp the first limit piece, and the second clip is rotated through the second limit rotating plate and the second rotating rod to clamp the second limit piece, thereby fixing the first connecting head and the second connecting head. However, the fixing effect is not good enough, and the overall mechanism is outside, which is easy to be damaged by impact, resulting in the first connecting head and the second connecting head being separated, affecting use. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a split valve-controlled jet water meter, which solves the problems raised in the above-mentioned background technology. To achieve the above purpose, the utility model is implemented through the following technical scheme: a split valve-controlled jet water meter, including a water meter body, a first connecting line is arranged on the side of the water meter body, a first connecting head is fixedly connected to the end of the first connecting line away from the water meter body, a second connecting head is arranged on the end of the first connecting head away from the first connecting line, a second connecting line is fixedly connected to the end of the second connecting head away from the first connecting head, a control box is arranged on the end of the second connecting line away from the second connecting head, an anti-collision box is fixedly connected to the first connecting head, an opening is provided on the side of the anti-collision box close to the second connecting head, a fixing mechanism is arranged inside the anti-collision box, a sealing mechanism is arranged on the side of the anti-collision box close to the second connecting head, and the fixing mechanism includes an insertion port, An insertion block, an air pressure chamber, and a fixed block, wherein the insertion port is opened on a side of the anti-collision box close to the second connecting head, the insertion block is fixedly connected to the top of the second connecting head, a groove is opened on the top of the insertion block, and an arc block is slidably connected to the inside of the groove through a compression spring, the air pressure chamber A is fixedly connected to the inside of the anti-collision box, an airbag A is arranged at one end of the air pressure chamber A, and a piston rod A is slidably connected to the inside of the other end of the air pressure chamber, the fixed block is fixedly connected to the top of the first connecting head, a slot is opened on the side of the fixed block, a telescopic spring is fixedly connected to the side of the fixed block, and a sliding plate is fixedly connected to the end of the telescopic spring away from the fixed block, and the sliding plate is slidably connected to the top of the first connecting head, and a protective cover is hinged on the side of the anti-collision box close to the airbag A.

[0005] Preferably, the sealing mechanism includes a fixed plate, an air pressure chamber B, and a push plate. The fixed plate is fixedly connected to the top of the anti-collision box, and the bottom of the fixed plate is fixedly connected to a return spring. The end of the return spring away from the fixed plate is fixedly connected to a sealing plate, and the sealing plate is slidably connected to the side of the anti-collision box close to the second connecting head. The air pressure chamber B is fixedly connected to the side of the fixed block, and an air bag B is provided at one end of the air pressure chamber. The other end of the air pressure chamber is internally slidably connected to a piston rod B, and the push plate is fixedly connected to the side of the insertion block. When the piston rod B moves to the right and leaves the top of the push plate, the return spring rebounds and drives the sealing plate to move upward.

[0006] Preferably, the arc surface of the arc block faces rightward, and the straight surface of the arc block is initially in contact with the side surface of the fixed block. When the arc surface of the arc block is squeezed, it will retract into the groove. The straight surface of the arc block is in contact with the side surface of the fixed block, so that the insertion block cannot move to the left.

[0007] Preferably, the telescopic spring is in a stretched state in an initial state, the top of the sliding plate is horizontal with the top of the groove, and when the arc block retracts into the groove, the telescopic spring will rebound to drive the sliding plate and the insertion block to move to the left.

[0008] Preferably, the airbag A is in an expanded state in the initial state, and the bottom of the piston rod A is close to the top of the arc block in the initial state. When the airbag A is squeezed, the air pressure inside it enters the air pressure chamber A to push the piston rod A to move downward. The downward movement of the piston rod A will squeeze the arc block to retract it into the groove.

[0009] Preferably, the push plate is squeezed with the airbag B in the initial state, the return spring is in a stretched state in the initial state, and the bottom end of the piston rod B is in conflict with the top of the sealing plate in the initial state. The bottom end of the piston rod B is in conflict with the top of the sealing plate so that the sealing plate cannot move upward. When the push plate leaves the airbag B, the airbag B rebounds, and the air pressure in the air pressure chamber B returns to the airbag B, driving the piston rod B to move to the right.

[0010] The utility model provides a split valve-controlled jet water meter, which has the following beneficial effects:

[0011] (1) The present application is provided with a fixing mechanism, so that the first connector can be inserted into the anti-collision box and connected to the second connector. At the same time, the first connector and the second connector are fixed by the cooperation of the arc block and the fixing block, making them difficult to separate. When disassembly is required, it is only necessary to open the protective cover and press the airbag A to achieve the separation of the first connector and the second connector.

[0012] (2) The present application is provided with a sealing mechanism, so that during the process of fixing the first connector and the second connector, the sealing block can be pulled down to seal the insertion port to prevent dust from entering. When the first connector and the second connector are separated, the sealing block will automatically move upward to open the insertion port, making it convenient for the second connector to leave. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a cross-sectional view of the overall structure of the utility model;

[0015] Figure 3 This is an enlarged view of the structure at A of the utility model;

[0016] Figure 4 This is a schematic diagram of the fixing mechanism structure of the utility model;

[0017] Figure 5 This is a schematic diagram of the structure of the insertion block and the fixed block of the utility model;

[0018] Figure 6 This is a schematic diagram of the sealing mechanism structure of the utility model.

[0019] In the figure: 1. water meter body; 2. first connecting line; 3. first connecting head; 4. second connecting head; 5. control box; 6. anti-collision box; 7. fixing mechanism; 71. insertion port; 72. insertion block; 73. groove; 74. compression spring; 75. arc block; 76. air pressure chamber A; 77. air bag A; 78. piston rod A; 79. fixing block; 710. telescopic spring; 711. sliding plate; 712. slot; 713. protective cover; 8. sealing mechanism; 81. fixing plate; 82. reset spring; 83. sealing plate; 84. air pressure chamber B; 85. air bag B; 86. piston rod B; 87. push plate; 9. second connecting line; 10. opening. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Embodiment 1

[0022] See also Figure 1-5A split valve-controlled jet water meter comprises a water meter body 1, a first connecting line 2 is arranged on the side of the water meter body 1, a first connecting head 3 is fixedly connected to the end of the first connecting line 2 away from the water meter body 1, a second connecting head 4 is arranged on the end of the first connecting head 3 away from the first connecting line 2, a second connecting line 9 is fixedly connected to the end of the second connecting head 4 away from the first connecting head 3, a control box 5 is arranged on the end of the second connecting line 9 away from the second connecting head 4, an anti-collision box 6 is fixedly connected to the first connecting head 3, an opening 10 is opened on the side of the anti-collision box 6 close to the second connecting head 4, a fixing mechanism 7 is arranged inside the anti-collision box 6, and the anti-collision A sealing mechanism 8 is provided on the side of the box 6 close to the second connector 4, and the fixing mechanism 7 includes an insertion port 71, an insertion block 72, an air pressure chamber A76, and a fixing block 79. The insertion port 71 is opened on the side of the anti-collision box 6 close to the second connector 4, and the insertion block 72 is fixedly connected to the top of the second connector 4. A groove 73 is opened on the top of the insertion block 72, and an arc block 75 is slidably connected to the inside of the groove 73 through a compression spring 74. The air pressure chamber A76 is fixedly connected to the inside of the anti-collision box 6, and an air bag A77 is provided at one end of the air pressure chamber A76. A piston rod A78 is slidably connected to the inside of the other end of the air pressure chamber A76. The air bag A77 In the initial state, it is in an expanded state. In the initial state, the bottom of the piston rod A78 is close to the top of the arc block 75. When the air bag A77 is squeezed, the air pressure inside enters the air pressure chamber A76 to push the piston rod A78 to move downward. The downward movement of the piston rod A78 squeezes the arc block 75 to retract it into the groove 73. The fixed block 79 is fixedly connected to the top of the first connector 3. The arc surface of the arc block 75 faces right, and the straight surface of the arc block 75 is in contact with the side of the fixed block 79 in the initial state. When the arc surface of the arc block 75 is squeezed, it will retract into the groove 73, and the straight surface of the arc block 75 will fit with the side of the fixed block 79 to make the insertion block 72 It is unable to move to the left, a slot 712 is provided on the side of the fixed block 79, a telescopic spring 710 is fixedly connected to the side of the fixed block 79, and a sliding plate 711 is fixedly connected to the end of the telescopic spring 710 away from the fixed block 79. The telescopic spring 710 is in a stretched state in the initial state, and the top of the sliding plate 711 is horizontal with the top of the groove 73. When the arc block 75 retracts into the groove 73, the telescopic spring 710 will rebound and drive the sliding plate 711 and the insertion block 72 to move to the left. The sliding plate 711 is slidably connected to the top of the first connector 3, and a protective cover 713 is hinged on the side of the anti-collision box 6 close to the airbag A77.

[0023] When the locking cam 73 is in the unlocking state, the locking cam 73 is in the unlocking state, and the locking cam 73 is in the unlocking state, so that the locking cam 73 can be unlocked and the locking cam 73 can be unlocked. The method moves to the left to complete the fixation of the first connector 3 and the second connector 4. When disassembly is required, open the protective cover 713 and press the airbag A77. When the airbag A77 is squeezed, the air pressure inside it enters the air pressure chamber A76 to push the piston rod A78 to move downward. The downward movement of the piston rod A78 will squeeze the arc block 75 to retract it into the groove 73. At this time, the telescopic spring 710 rebounds and drives the sliding plate 711 and the insertion block 72 to move to the left, and the first connector 3 is separated from the second connector 4. The installation and disassembly are simple, and the first connector 3 and the second connector 4 are fixed in the anti-collision box 6, so that the first connector 3 and the second connector 4 are safer and will not be separated due to collision.

[0024] Embodiment 2

[0025] See also Figure 1-6 On the basis of the first embodiment, the sealing mechanism 8 includes a fixed plate 81, a pressure chamber B84, and a push plate 87. The fixed plate 81 is fixedly connected to the top of the anti-collision box 6. The bottom of the fixed plate 81 is fixedly connected to a return spring 82. The end of the return spring 82 away from the fixed plate 81 is fixedly connected to a sealing plate 83. The sealing plate 83 is slidably connected to the side of the anti-collision box 6 close to the second connector 4. The pressure chamber B84 is fixedly connected to the side of the fixed block 79. An airbag B85 is provided at one end of the pressure chamber B84. A piston rod B86 is slidably connected inside the other end of the pressure chamber B84. The push plate 87 is fixedly connected to Insert the side of block 72, when piston rod B86 moves to the right and leaves the top of push plate 87, return spring 82 rebounds and drives sealing plate 83 to move upward, and push plate 87 is squeezed with airbag B85 in the initial state, and return spring 82 is in a stretched state in the initial state. The bottom end of piston rod B86 is in conflict with the top of sealing plate 83 in the initial state, and the bottom end of piston rod B86 is in conflict with the top of sealing plate 83, so that sealing plate 83 cannot move upward, and when push plate 87 leaves airbag B85, airbag B85 rebounds, and the air pressure in air pressure chamber B84 returns to airbag B85, driving piston rod B86 to move to the right.

[0026] When in use, based on the first embodiment, the second connecting head 4 can pull down the sealing plate 83 during the process of driving the insertion block 72 to move to the right, and the return spring 82 is stretched. Then the insertion block 72 drives the push plate 87 to move to the right to squeeze the airbag B85. The air pressure in the airbag B85 enters the air pressure chamber B84 and drives the piston rod B86 to move to the left. At this time, the bottom end of the piston rod B86 conflicts with the top of the sealing plate 83, making it impossible for the sealing plate 83 to move upward, thereby fixing the sealing plate 83 and preventing dust from entering. When disassembling, the push plate 87 moves to the left and leaves the airbag B85, and the airbag B85 rebounds. The air pressure in the air pressure chamber B84 returns to the airbag B85 and drives the piston rod B86 to move to the right. When the piston rod B86 moves to the right and leaves the top of the push plate 87, the return spring 82 rebounds and drives the sealing plate 83 to move upward, facilitating the removal of the second connecting head 4 and the insertion block 72.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A split valve-controlled jet water meter, comprising a water meter body (1), characterized in that: A first connecting line (2) is provided on the side of the water meter body (1); an end of the first connecting line (2) away from the water meter body (1) is fixedly connected to a first connecting head (3); an end of the first connecting head (3) away from the first connecting line (2) is provided with a second connecting head (4); an end of the second connecting head (4) away from the first connecting head (3) is fixedly connected to a second connecting line (9); an end of the second connecting head (9) away from the second connecting head (4) is provided with a control box (5); an anti-collision box (6) is fixedly connected to the first connecting head (3); an opening (10) is provided on a side of the anti-collision box (6) close to the second connecting head (4); a fixing mechanism (7) is provided inside the anti-collision box (6); and a sealing mechanism (8) is provided on a side of the anti-collision box (6) close to the second connecting head (4); The fixing mechanism (7) comprises an insertion port (71), an insertion block (72), an air pressure chamber A (76), and a fixing block (79); the insertion port (71) is provided on a side of the anti-collision box (6) close to the second connecting head (4); the insertion block (72) is fixedly connected to the top of the second connecting head (4); a groove (73) is provided on the top of the insertion block (72); an arc block (75) is slidably connected to the inside of the groove (73) via a compression spring (74); the air pressure chamber A (76) is fixedly connected to the inside of the anti-collision box (6); an air bag A (76) is provided at one end of the air pressure chamber A (76); 7), the other end of the air pressure chamber A (76) is internally slidably connected to a piston rod A (78), the fixed block (79) is fixedly connected to the top of the first connecting head (3), a slot (712) is provided on the side of the fixed block (79), a telescopic spring (710) is fixedly connected to the side of the fixed block (79), the end of the telescopic spring (710) away from the fixed block (79) is fixedly connected to a sliding plate (711), the sliding plate (711) is slidably connected to the top of the first connecting head (3), and a protective cover (713) is hinged on the side of the anti-collision box (6) close to the airbag A (77).

2. A split valve-controlled jet water meter according to claim 1, characterized in that: The sealing mechanism (8) includes a fixed plate (81), an air pressure chamber B (84), and a push plate (87); the fixed plate (81) is fixedly connected to the top of the anti-collision box (6); the bottom of the fixed plate (81) is fixedly connected to a return spring (82); the end of the return spring (82) away from the fixed plate (81) is fixedly connected to a sealing plate (83); the sealing plate (83) is slidably connected to the side of the anti-collision box (6) close to the second connecting head (4); the air pressure chamber B (84) is fixedly connected to the side of the fixed block (79); one end of the air pressure chamber B (84) is provided with an air bag B (85); the other end of the air pressure chamber B (84) is slidably connected to a piston rod B (86); and the push plate (87) is fixedly connected to the side of the insertion block (72).

3. A split valve-controlled jet water meter according to claim 1, characterized in that: The arc surface of the arc block (75) faces rightward, and the straight surface of the arc block (75) is in contact with the side surface of the fixed block (79) in the initial state.

4. A split valve-controlled jet water meter according to claim 1, characterized in that: The telescopic spring (710) is in a stretched state in an initial state, and the top of the sliding plate (711) is in a horizontal state with the top of the groove (73).

5. A split valve-controlled jet water meter according to claim 1, characterized in that: The airbag A (77) is in an expanded state in an initial state, and the bottom of the piston rod A (78) is close to the top of the arc block (75) in an initial state.

6. A split valve-controlled jet water meter according to claim 2, characterized in that: The push plate (87) is initially pressed against the airbag B (85), the return spring (82) is initially in a stretched state, and the bottom end of the piston rod B (86) is initially in contact with the top of the sealing plate (83).

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