A quick calibration pressure tapping device for a socket welded valve flowmeter

Abstract

The utility model relates to calibration pressure tapping device technical field, especially with the quick calibration pressure tapping device of taking pressure of the valve flowmeter of taking pressure of the bearing insert welding, including the pressure tapping joint, the both sides symmetrical of pressure tapping joint are provided with the detachable screw rod, still including C type sleeve, the coaxial of pressure tapping joint below is provided with C type sleeve, the both sides of C type sleeve pass through the connecting piece respectively with both sides screw rod side wall fixed connection, the symmetrical fixed setting of the both sides outer periphery of pressure tapping joint has the clamping block, the clamping block passes through the through -hole of inside through opening and is connected with the side wall sliding of screw rod, the hollow inner chamber of C type sleeve is slidably arranged with the arc clamping plate, the end bottom of arc clamping plate is provided with the limit locking assembly, the utility model discloses a kind of quick calibration pressure tapping device of taking pressure of the valve flowmeter of taking pressure of the bearing insert welding, in the use process, the combination structure of the device through C type sleeve and arc clamping plate, make device through all-enclosing contact significantly improve connection stability, effectively avoid the displacement risk caused by vibration due to traditional fixture.

Claims

1. A rapid calibration pressure tapping device for a flow meter with a socket weld valve, comprising a pressure tapping connector (1), wherein detachable screws (2) are symmetrically arranged on both sides of the pressure tapping connector (1), characterized in that: It also includes a C-type sleeve (3), a C-type sleeve (3) is coaxially arranged below the pressure tapping connector (1), the two sides of the C-type sleeve (3) are fixedly connected to the side walls of the two screws (2) respectively through the connectors, and the two sides of the pressure tapping connector (1) are symmetrically fixedly arranged with a locking block (4), and the locking block (4) is slidably connected to the side wall of the screw (2) through the through hole opened inside it. The hollow inner cavity of the C-type sleeve (3) is slidably arranged with an arc-shaped locking plate (5), the maximum inner diameter of the C-type sleeve (3) matches the inner diameter of the arc-shaped locking plate (5), and the bottom end of the arc-shaped locking plate (5) is provided with a limit locking component for locking and limiting the arc-shaped locking plate (5).

2. The rapid calibration and pressure tapping device for a flow meter with a socket weld valve according to claim 1, characterized in that: The limiting locking assembly includes a connecting block (6), a limiting rod (7), and a limiting block (8); the bottom wall of the arc-shaped card plate (5) is fixedly provided with a connecting block (6), the bottom of the connecting block (6) is rotatably provided with a limiting rod (7), the bottom wall of the C-type sleeve (3) is fixedly provided with a limiting block (8) at the corresponding position, and one end of the limiting rod (7) engages with the internal cavity of the limiting block (8).

3. The rapid calibration and pressure tapping device for a flow meter with a socket weld valve according to claim 2, characterized in that: A fixing member (9) is fixedly installed at the lower end of the connecting block (6). The fixing member (9) has a fixing hole (10) that runs horizontally through it. A rotating shaft (11) is rotatably installed in the internal cavity of the fixing member (9). The two ends of the rotating shaft (11) are rotatably connected to the fixing hole (10) respectively. A spiral spring (12) is symmetrically installed at both ends of the rotating shaft (11). A limiting groove (13) is opened through the inside of the limiting block (8). One end of the limiting rod (7) is engaged with the inner wall of the limiting groove (13).

4. The rapid calibration and pressure tapping device for a flow meter with a socket weld valve according to claim 3, characterized in that: One end of the spiral spring (12) is fixedly connected to the end face of the rotating shaft (11), the other end of the spiral spring (12) is fixedly connected to the inner wall of the fixing hole (10), and the other end of the limiting rod (7) is fixedly set on the side wall of the rotating shaft (11).

5. A rapid calibration and pressure tapping device for a flow meter with a socket weld valve according to claim 2, characterized in that: The hollow inner cavity of the C-type sleeve (3) is provided with an arc-shaped inner cavity (14). The internal dimensions of the arc-shaped inner cavity (14) are adapted to the external dimensions of the arc-shaped card plate (5). The arc-shaped card plate (5) is slidably disposed inside the arc-shaped inner cavity (14). The inner wall of the arc-shaped inner cavity (14) is provided with an arc-shaped sliding groove (15). The outer circumferential surface of the arc-shaped card plate (5) is fixedly provided with an arc-shaped slide rail (16) that cooperates with the arc-shaped slide rail (15). The arc-shaped slide rail (16) is slidably disposed inside the arc-shaped slide rail (15).

6. The rapid calibration and pressure tapping device for a flow meter with a socket weld valve according to claim 5, characterized in that: The bottom of the C-type sleeve (3) is provided with an arc groove (17), which is connected to the inner bottom wall of the arc-shaped inner cavity (14), and the connecting block (6) is slidably disposed inside the arc groove (17).

7. The rapid calibration and pressure tapping device for a flow meter with a socket weld valve according to claim 1, characterized in that: A detachable fixing nut (18) is provided above the screw (2), and the fixing nut (18) is threaded to the upper side wall of the screw (2).

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