Valve pressure testing machine

By introducing a cleaning structure of bristles and high-speed fan into the valve press, the problem of incomplete cleaning of valve ports is solved, ensuring sealing, and achieving the accuracy of pressure test results.

CN223166506UActive Publication Date: 2025-07-29SHANXI CHANGHONG VALVE MFG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422306953.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-23
Publication Date
2025-07-29
Estimated Expiration
2034-09-23

AI Technical Summary

Technical Problem

When cleaning the valve ports, existing valve presses are susceptible to dust and impurities, resulting in poor sealing effect, which in turn affects the accuracy of the pressure test results.

Method used

A cleaning structure with bristles and high-speed fan is designed, combining a vibrator and dust collecting shell to clean the valve ports through shaking bristles, and a high-speed fan is used to suck away impurities and dust collecting shells for filtering.

Benefits of technology

Effectively clean the valve port and pressure output disc to prevent dust from affecting the sealing effect and ensure the accuracy of the pressure test results.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223166506U_ABST
    Figure CN223166506U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of pressure testing machines, and discloses a valve pressure testing machine which comprises a machine shell, a side block is arranged on the left side of the outer portion of the machine shell, a driving motor is installed at the upper end of the side block, an electric lifting rod is installed at the output end of the driving motor, and a connecting rod is installed at the upper end of the electric lifting rod. A ring shell is mounted outside the connecting rod; the fixing rings are arranged at the upper end and the lower end of the outer portion of the ring shell, telescopic springs are installed between the fixing rings and the ring shell, bristles are arranged on the outer portions of the fixing rings, and vibrators are installed in the fixing rings; and the side shell is arranged on one side of the exterior of the annular shell, a high-speed fan is arranged at one end of the exterior of the side shell, a dust collection shell is arranged in the upper end of the side shell, and a filter screen is arranged on the side, close to the high-speed fan, in the dust collection shell. According to the utility model, the shaking bristles are matched with the dust collection structure, so that the port of the valve is convenient to clean.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of testing presses, in particular to a valve testing press. Background Technique

[0002] A valve is a device used to control the direction, pressure, and flow of fluids in a fluid system. It is a device that enables the medium in pipes and equipment to flow or stop and can control its flow rate. The pressure that a valve can withstand and its sealing performance at the end face or inside are very important for the quality of the valve. Currently, the commonly used method is to conduct a pressure test on the valve.

[0003] The main purpose of valve pressure testing is to check whether the sealing performance of the valve meets the requirements. If there are impurities or dirt on the valve end face, these will directly affect the sealing effect of the valve, resulting in inaccurate test results or failure to achieve the expected goal. For this reason, a valve testing press is proposed. Content of the Utility Model

[0004] In view of the deficiencies of the prior art, the utility model provides a valve testing press to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A valve testing press, comprising:

[0006] A machine shell, with a side block provided on the left side of the outer part of the machine shell. A driving motor is installed at the upper end of the side block. The output end of the driving motor is installed with an electric lifting rod. The upper end of the electric lifting rod is installed with a connecting rod, and a ring shell is installed outside the connecting rod.

[0007] Fixed rings are provided at the upper and lower ends outside the ring shell, and telescopic springs are installed between the fixed rings and the ring shell. Brushes are provided outside the fixed rings, and vibrators are installed inside the fixed rings.

[0008] A side shell is provided on one side outside the ring shell, and the side shell is connected to the ring shell through a pipeline. A high-speed fan is provided at one end of the outer part of the side shell, and a dust collection shell is provided inside the upper end of the side shell. A filter screen is provided on the side of the dust collection shell close to the high-speed fan.

[0009] Preferably, a pressure output disc is provided on one side of the upper end of the machine shell, and a flange clamping device is provided outside the pressure output disc. The flange clamping device is used to fix the flange at the lower port of the valve.

[0010] Preferably, columns are provided on both sides of the upper end of the machine shell, and a top shell is provided at the upper ends of the columns.

[0011] Preferably, a hydraulic lift is installed inside the top shell. The hydraulic lift is connected to the top shell, and a sealing disc is installed at the lower end of the hydraulic lift. The hydraulic lift is used to control the lifting of the sealing disc.

[0012] Preferably, a controller is provided on the right side of the front end of the outer shell of the machine, and the controller is connected to the outer shell of the machine. The controller is used to control the pressure testing machine.

[0013] Preferably, support feet are provided at the four corners of the lower end of the outer shell of the machine, and the support feet are connected to the outer shell of the machine. The support feet are used to support the machine.

[0014] Compared with the prior art, the present utility model has the following beneficial effects:

[0015] By providing a vibrating brush structure in cooperation with a dust suction structure of a high-speed blower, the present utility model makes it more convenient to clean the port of the valve and the outside of the pressure output disc of the pressure testing machine, preventing dust and impurities from affecting the sealing effect, solving the problems raised in the background art, and preventing the sealing performance from affecting the pressure testing result. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional view of the overall structure of the present utility model;

[0017] Figure 2 is a three-dimensional view of the ring shell and side shell structures of the present utility model;

[0018] Figure 3 is a cross-sectional view of the ring shell and side shell of the present utility model.

[0019] In the figure: 1. Outer shell of the machine; 2. Support feet; 3. Controller; 4. Column; 5. Top shell; 6. Hydraulic lift; 7. Sealing disc; 8. Side block; 9. Driving motor; 10. Electric lifting rod; 11. Connecting rod; 12. Ring shell; 13. Pressure output disc; 14. Flange clamping device; 15. Side shell; 16. Dust collection shell; 17. High-speed blower; 18. Fixed ring; 19. Telescopic spring; 20. Brush; 21. Vibrator; 22. Filter screen. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0021] The present utility model provides a technical solution, a valve pressure testing machine. Please refer to Figure 1 、Figure 2 and Figure 3 comprises: a machine housing 1, a side block 8 is arranged on the left side outside the machine housing 1, a driving motor 9 is installed at the upper end of the side block 8, an electric lifting rod 10 is installed at the output end of the driving motor 9, a connecting rod 11 is installed at the upper end of the electric lifting rod 10, and an annular housing 12 is installed outside the connecting rod 11;

[0022] Fixed rings 18 are arranged at the upper and lower ends outside the annular housing 12, a telescopic spring 19 is installed between the fixed rings 18 and the annular housing 12, a brush 20 is arranged outside the fixed rings 18, and a vibrator 21 is installed inside the fixed rings 18;

[0023] A side housing 15 is arranged on one side outside the annular housing 12, and the side housing 15 is connected to the annular housing 12 through a pipeline. A high-speed blower 17 is arranged at one end outside the side housing 15, a dust collecting housing 16 is arranged inside the upper end of the side housing 15, and a filter screen 22 is arranged on one side of the dust collecting housing 16 close to the high-speed blower 17.

[0024] Please refer to Figure 1 , a pressure output disc 13 is arranged on one side of the upper end of the machine housing 1, a flange clamping device 14 is arranged outside the pressure output disc 13, and the flange clamping device 14 is used to fix the flange at the lower port of the valve.

[0025] Please refer to Figure 1 , columns 4 are arranged on both sides of the upper end of the machine housing 1, and a top housing 5 is arranged at the upper end of the columns 4.

[0026] Please refer to Figure 1 , a hydraulic lift 6 is installed inside the top housing 5, the hydraulic lift 6 is connected to the top housing 5, and a sealing disc 7 is installed at the lower end of the hydraulic lift 6. The hydraulic lift 6 is used to control the lifting of the sealing disc 7.

[0027] Please refer to Figure 1 , a controller 3 is arranged on the right side of the front end outside the machine housing 1, and the controller 3 is connected to the machine housing 1. The controller 3 is used to control the testing press.

[0028] Please refer to Figure 1 , support feet 2 are arranged at the four corners of the lower end of the machine housing 1, and the support feet 2 are connected to the machine housing 1. The support feet 2 are used to support the machine.

[0029] In this solution: When the valve needs to be detected, the ring shell 12 is moved to the upper end of the pressure output disc 13 by the driving motor 9 and the electric lifting rod 10. The high-speed blower 17 and the vibrator 21 are started. The vibrator 21 drives the fixed ring 18 to vibrate, causing the brush bristles 20 to vibrate accordingly. The port of the valve is fitted with the brush bristles 20, and the brush bristles 20 clean the port of the valve and at the same time clean the upper end of the pressure output disc 13. Under the airflow generated by the high-speed blower 17, impurities and dust enter the dust collection shell 16 of the side shell 15 and are intercepted and collected by the filter screen 22. After the cleaning is completed, the ring shell 12 is moved out by the driving motor 9 and the electric lifting rod 10. The valve is placed on the upper end of the pressure output disc 13, and the hydraulic lift 6 is controlled to make the sealing disc 7 press tightly against the valve. The flange clamping device 14 fixes the flange of the valve to the upper end of the pressure output disc 13. The controller 3 starts the pressure tester to start the pressure test work.

[0030] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0031] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A valve testing press, characterized in that, Including: A machine housing (1), on the left side of the outside of the machine housing (1) there is a side block (8), at the upper end of the side block (8) there is a drive motor (9) installed, at the output end of the drive motor (9) there is an electric lifting rod (10) installed, at the upper end of the electric lifting rod (10) there is a connecting rod (11) installed, and outside the connecting rod (11) there is an annular housing (12) installed; Fixed rings (18), arranged at the upper and lower ends of the outside of the annular housing (12), and between the fixed rings (18) and the annular housing (12) there are telescopic springs (19) installed, on the outside of the fixed rings (18) there are bristles (20) arranged, and inside the fixed rings (18) there is a vibrator (21) installed; A side housing (15), arranged on one side of the outside of the annular housing (12), and the side housing (15) and the annular housing (12) are connected through a pipeline, at one end of the outside of the side housing (15) there is a high-speed blower (17) installed, inside the upper end of the side housing (15) there is a dust collection housing (16) arranged, and on one side of the inside of the dust collection housing (16) close to the high-speed blower (17) there is a filter net (22) arranged.

2. The valve testing press according to claim 1, characterized in that: On one side of the upper end of the machine housing (1) there is a pressure output disc (13), and outside the pressure output disc (13) there is a flange clamping device (14) arranged.

3. The valve testing press according to claim 1, characterized in that: On both sides of the upper end of the machine housing (1) there are columns (4) arranged, and at the upper ends of the columns (4) there is a top housing (5) arranged.

4. The valve testing press according to claim 3, characterized in that: Inside the top housing (5) there is a hydraulic lift (6) installed, the hydraulic lift (6) is connected with the top housing (5), and at the lower end of the hydraulic lift (6) there is a sealing disc (7) installed.

5. A valve testing press according to claim 1, characterized in that: On the right side of the front end of the outside of the machine housing (1) there is a controller (3) arranged, and the controller (3) is connected with the machine housing (1).

6. A valve testing press according to claim 1, characterized in that: At the four corners of the lower end of the machine housing (1) there are support feet (2) arranged, and the support feet (2) are connected with the machine housing (1).