Flexible joint connecting tool for electrically operated valve test

Abstract

The utility model discloses a flexible joint connecting tool for an electrically operated valve test, and belongs to the technical field of electrically operated valve tests. The tool comprises a filler neck, a pressing sleeve and a pressing plate, the pressing plate is detachably connected with the filler neck through a plurality of connecting assemblies, and the pressing sleeve is pressed and fixed to one end of the filler neck. After the sealing ring is sleeved on the flexible joint of the electric valve, the pressing plate and the pressing sleeve are sequentially sleeved on the flexible joint, then the pressing plate is connected with the filler neck through the plurality of connecting assemblies, and the pressing sleeve is pressed and fixed at one end of the filler neck through the pressing plate, so that the butt joint of the flexible joint and the filler neck is realized; the flexible joint is basically not extruded by radial force, so that the flexible joint is not easy to deform and damage the appearance.

Description

Technical Field

[0001] The utility model relates to a flexible joint connection tooling for electric valve test, belonging to the technical field of electric valve test. Background Technique

[0002] As Figure 1 shown in the figure, a flexible joint 2 is often adopted on an electric valve 1. The flexible joint 2 is actually a rigid thin-walled joint. When testing the electric valve 1, an external joint 5 is needed to be connected with a test bench. The external joint 5 is also a rigid thin-walled joint, and the shape and size of the external joint 5 are consistent with those of the flexible joint 2 on the electric valve 1. Generally, a thin-walled sleeve 3 and a clamp 4 are used to tightly hold the flexible joint 2 and the external joint 5. Specifically, during installation, the free ends of the flexible joint 2 and the external joint 5 are simultaneously pressed and inserted into the thin-walled sleeve 3, and then the thin-walled sleeve 3 is tightly held by the clamp 4, so that the thin-walled sleeve 3 deforms to realize the butt joint between the flexible joint 2 and the external joint 5.

[0003] However, the process of butting the flexible joint 2 and the external joint 5 with the thin-walled sleeve 3 and the clamp 4 is rather laborious, and when pressing the flexible joint 2 into the thin-walled sleeve 3 and when the clamp 4 tightly holds the thin-walled sleeve 3, the flexible joint 2 is prone to deformation, thus damaging the appearance of the flexible joint 2. Content of the Utility Model

[0004] In order to solve the above technical problems, the utility model provides a flexible joint connection tooling for electric valve test.

[0005] The utility model is realized through the following technical solutions:

[0006] A flexible joint connection tooling for electric valve test, comprising a nozzle, a pressing sleeve and a pressing plate. The pressing plate is detachably connected with the nozzle through a plurality of connecting components, and the pressing sleeve is tightly fixed at one end of the nozzle.

[0007] A through hole A is arranged on the pressing plate, and a plurality of through holes B are respectively arranged on the pressing plate at positions corresponding to the plurality of connecting components.

[0008] A through hole C is coaxially arranged on the pressing sleeve. The pressing sleeve comprises a positioning section A and a positioning section B which are coaxially arranged. One end of the positioning section B is connected with one end of the positioning section A, and the pressing sleeve is axially symmetrically divided into two parts.

[0009] The inner diameter of the positioning section B is the same as that of the positioning section A, and the outer diameter of the positioning section B is larger than that of the positioning section A.

[0010] A liquid passing hole A is coaxially arranged on the nozzle, and a plurality of through holes D are respectively arranged on the nozzle at positions corresponding to the plurality of connecting components.

[0011] A positioning hole A is axially provided at one end of the liquid passing hole A on the nozzle, and a positioning hole B is coaxially provided at the bottom of the positioning hole A.

[0012] The diameter of the positioning hole B is smaller than that of the positioning hole A.

[0013] The middle part of the nozzle is regular hexagon.

[0014] The connecting component includes a screw and a nut threadedly connected with the screw.

[0015] The beneficial effect of the utility model lies in that: after a sealing ring is sleeved on the flexible joint of the electric valve, the pressing plate and the pressing sleeve are sequentially sleeved on the flexible joint, and then the pressing plate is connected with the nozzle through a plurality of connecting components, and the pressing sleeve is tightly fixed at one end of the nozzle through the pressing plate, so as to realize the butt joint of the flexible joint and the nozzle. Since the force of the pressing sleeve holding the flexible joint is very small, the flexible joint is basically not extruded by the radial force, so it is not easy to deform and damage the appearance. Description of the Drawings

[0016] Figure 1 It is an assembly drawing of a flexible joint, an external joint, a sealing ring, a thin-walled sleeve and a clamp on an electric valve;

[0017] Figure 2 It is a schematic structural diagram of the assembly of the utility model and the flexible joint and the sealing ring on the electric valve;

[0018] Figure 3 It is a front view structural diagram of the pressing plate of the utility model;

[0019] Figure 4 It is a sectional view of the pressing plate of the utility model;

[0020] Figure 5 It is a front view structural diagram of the pressing sleeve of the utility model;

[0021] Figure 6 It is a sectional view of the pressing sleeve of the utility model;

[0022] Figure 7 It is a sectional view of the nozzle of the utility model;

[0023] Figure 8 It is Figure 7 A sectional view along A-A;

[0024] Figure 9 It is Figure 7 The left view of.

[0025] In the figure: 1 - electric valve, 2 - flexible joint, 3 - thin - wall sleeve, 4 - clamp, 5 - outer joint, 6 - sealing ring, 7 - screw, 8 - pressing plate, 81 - through - hole A, 82 - through - hole B, 9 - pressure sleeve, 91 - positioning section A, 92 - positioning section B, 93 - through - hole C, 10 - nozzle, 101 - through - hole D, 102 - positioning hole A, 103 - positioning hole B, 104 - liquid - passing hole A, 11 - nut. Detailed implementation mode

[0026] The technical solution of the present invention will be further described below, but the scope of protection is not limited thereto.

[0027] As Figures 2 to 9 shown, a flexible joint connection tooling for electric valve testing according to the present invention includes a nozzle 10, a pressure sleeve 9 and a pressing plate 8. The pressing plate 8 is detachably connected to the nozzle 10 through a plurality of connecting components, and the pressure sleeve 9 is pressed and fixed at one end of the nozzle 10. When in use, after a sealing ring 6 is sleeved on the flexible joint 2 of the electric valve 1, the pressing plate 8 and the pressure sleeve 9 are sequentially sleeved on the flexible joint 2, and then the pressing plate 8 is connected to the nozzle 10 through a plurality of connecting components, and the pressure sleeve 9 is pressed and fixed at one end of the nozzle 10 by the pressing plate 8, realizing the butt - joint of the flexible joint 2 and the nozzle 10. Since the force of the pressure sleeve 9 holding the flexible joint 2 is very small, the flexible joint 2 is basically not affected by the radial force extrusion, so it is not easy to deform and damage the appearance.

[0028] The pressing plate 8 is provided with a through - hole A81, and the pressing plate 8 is provided with a plurality of through - holes B82 corresponding to the positions of the plurality of connecting components one by one. When in use, the through - hole A81 is in clearance fit with the positioning section B92; when the positioning section B92 is inserted into the through - hole A81, the two - half pressure sleeves 9 are kept in a clamped state through the through - hole A81.

[0029] The pressure sleeve 9 is coaxially provided with a through - hole C93. The pressure sleeve 9 includes a coaxially arranged positioning section A91 and a positioning section B92. One end of the positioning section B92 is connected to one end of the positioning section A91, and the pressure sleeve 9 is axially symmetrically divided into two halves. When in use, the diameter of the through - hole C93 is adapted to the outer diameter of the flexible joint 2. The function of the pressure sleeve 9 is to hold the flexible joint 2 to prevent the flexible joint 2 from detaching from the nozzle 10.

[0030] The inner diameter of the positioning section B92 is the same as that of the positioning section A91, and the outer diameter of the positioning section B92 is smaller than that of the positioning section A91.

[0031] The nozzle 10 is coaxially provided with a liquid - passing hole A104, and the nozzle 10 is provided with a plurality of through - holes D101 corresponding to the positions of the plurality of connecting components one by one.

[0032] A positioning hole A102 is axially provided at one end of the liquid passing hole A104 on the nozzle 10, and a positioning hole B103 is coaxially provided at the bottom of the positioning hole A102. During use, the positioning hole A102 is in clearance fit with the positioning section A91; when the positioning section A91 is inserted into the positioning hole A102, the two half bushings 9 are held in a clamped state through the positioning hole A102. When the free end of the flexible joint 2 is inserted into the positioning hole B103, the inner wall of the positioning hole B103 will squeeze the sealing ring 6 inward to seal the joint between the flexible joint 2 and the nozzle 10. The nozzle 10 is connected to the test bench through a braided tube and a nut at the end of the braided tube.

[0033] The diameter of the positioning hole B103 is smaller than the diameter of the positioning hole A102.

[0034] The middle part of the nozzle 10 is hexagonal.

[0035] The connecting assembly includes a screw 7 and a nut 11 threadedly connected to the screw 7.

[0036] The working principle or usage process of the flexible joint connecting tooling for electric valve testing according to the present utility model is as follows:

[0037] As Figure 2 shown, after the sealing ring 6 is sleeved on the flexible joint 2 of the electric valve 1, the pressing plate 8 is sleeved on the flexible joint 2, the two half bushings 9 are held around the flexible joint 2, the end of the flexible joint 2 with the sealing ring 6 sleeved thereon is inserted into the positioning hole B103 on the nozzle 10, and the positioning section A91 on the bushing 9 is snapped into the positioning hole A102 on the nozzle 10. Then the pressing plate 8 is sleeved on the positioning section B92 of the bushing 9. Next, the screw 7 and the nut 11 are used to connect and lock the pressing plate 8 and the nozzle 10 to fix the bushing 9, realizing the docking of the flexible joint 2 and the nozzle 10. Since the force of the bushing 9 holding the flexible joint 2 is very small, the flexible joint 2 is basically not affected by the radial force extrusion, so it is not easy to deform and damage the appearance.

Claims

1. A flexible joint connection tool for electric valve testing, characterized in that: The invention comprises a filling nozzle (10), a pressing sleeve (9) and a pressing plate (8); the pressing plate (8) is detachably connected to the filling nozzle (10) through a plurality of connecting components, and the pressing sleeve (9) is pressed and fixed on one end of the filling nozzle (10).

2. The flexible joint connection tool for electric valve testing according to claim 1, characterized in that: The pressing plate (8) is provided with a through hole A (81), and the pressing plate (8) is provided with a plurality of through holes B (82) at positions corresponding to the plurality of connection components.

3. The flexible joint connection tool for electric valve testing according to claim 1, characterized in that: The pressing sleeve (9) is coaxially provided with a through hole C (93). The pressing sleeve (9) comprises a coaxially arranged positioning section A (91) and a positioning section B (92). One end of the positioning section B (92) is connected to one end of the positioning section A (91). The pressing sleeve (9) is symmetrically divided into two parts along the axial direction.

4. The flexible joint connection tool for electric valve testing according to claim 3, characterized in that: The inner diameter of the positioning section B (92) is consistent with the inner diameter of the positioning section A (91), and the outer diameter of the positioning section B (92) is greater than the outer diameter of the positioning section A (91).

5. The flexible joint connection tool for electric valve testing according to claim 1, characterized in that: The filling nozzle (10) is coaxially provided with a liquid passage hole A (104), and the filling nozzle (10) is provided with a plurality of through holes D (101) at positions corresponding to the plurality of connection components.

6. The flexible joint connection tool for electric valve testing according to claim 1, characterized in that: The nozzle (10) is provided with a positioning hole A (102) along the axial direction at one end of the liquid passage hole A (104), and a positioning hole B (103) is coaxially provided at the bottom of the positioning hole A (102).

7. The flexible joint connection tool for electric valve testing according to claim 6, characterized in that: The diameter of the positioning hole B (103) is smaller than the diameter of the positioning hole A (102).

8. The flexible joint connection tool for electric valve testing according to claim 1, characterized in that: The middle part of the filling nozzle (10) is in a regular hexagonal shape.

9. The flexible joint connection tool for electric valve testing according to claim 1, characterized in that: The connection assembly comprises a screw (7) and a nut (11) threadedly connected to the screw (7).

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