Valve pressure testing machine
By designing a combined structure of a sealing test mechanism, lead screw, ball bearing cover, and limit rod, the problem of fixed structural dimensions in existing valve pressure testing machines was solved, achieving smoothness and versatility in valve pressure testing.
Patent Information
- Application Number
- CN202520222946.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-12
AI Technical Summary
Existing valve pressure testing machines have fixed structural dimensions, poor versatility, and the valve immersion and pressurization steps are not smooth enough.
A structure including a sealing test mechanism, a lead screw, a ball bearing movable cover, a main spindle control plate, and a limit rod was designed. The valve is fixed and gas is injected by motor drive. Combined with the submersion and air pressurization steps, a smooth testing process is achieved.
It improves the convenience of valve fixing structure and the versatility of equipment, making valve pressure testing procedures smoother and enhancing the flexibility and applicability of testing.
Smart Images

Figure CN223808120U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to valve pressure test equipment technical field, concretely is a valve pressure testing machine. BACKGROUND
[0002] The working principle of the valve pressure testing machine is to simulate the pressure environment of the valve in actual work, detect its sealing performance, strength and operation performance and other indicators. Specifically, the valve pressure testing machine applies a certain pressure to the valve, observes its performance under different pressures, to ensure its reliability and safety in actual application.
[0003] The prior art has the following deficiencies: In the prior art with the publication number CN220690421U, "a valve pressure testing machine" includes a base and a control cabinet, the base top side installs the control cabinet, the base top middle is connected with the workbench, the workbench top is provided with the valve, the workbench one side installs the side cabinet, the workbench inner wall one side is fixed with the rotating block, the workbench inner wall the other side is provided with the bidirectional motor, the bidirectional motor output is connected with the bidirectional screw rod, the bidirectional screw rod surface is connected with the screw block, the screw block top is connected with the support rod, the support rod top is connected with the supporting block, the supporting block top is connected with the rubber pad.
[0004] The above structure drives the support rod reciprocating motion through the bidirectional motor, and then achieves the purpose of adjusting the distance between the supporting blocks, and can flexibly adjust the lifting size of the lifting mechanism according to the size of the valve to be tested, but the structure for fixing the two sides of the valve cannot be adjusted in position, so the valve structure size is fixed for the structure, the universality is poor, and the structure does not integrate the valve submerging step and the continuous conveying step, resulting in the whole operation step being cumbersome. UTILITY MODEL CONTENTS
[0005] In view of the deficiencies of the prior art, the utility model provides a valve pressure testing machine, which solves the problems of insufficient smoothness of the valve pressure testing step and poor universality of the valve fixing structure.
[0006] To achieve the above object, the utility model provides the following technical scheme: a valve pressure testing machine, comprising an equipment main body, a control panel, a first motor and a water storage tank, the control panel is arranged on the side end of the equipment main body, the first motor is arranged on the side end of the equipment main body, and the water storage tank is arranged on the same side of the equipment main body.
[0007] The first motor side end is provided with a driving gear, the equipment main body side end is provided with a main shaft control disc, the main shaft control disc side end is further provided with a sealing test mechanism, and the sealing test mechanism and the main shaft control disc are provided with a second motor.
[0008] The main shaft control disc further comprises a driven gear, a support shaft and a shaft seat frame, the driven gear is fixedly connected to the side end of the main shaft control disc, the support shaft is transversely connected to the middle part of the main shaft control disc, and the shaft seat frame is movably connected to the other side end of the support shaft.
[0009] As a preferred technical scheme of the utility model, the tooth groove of the driven gear is engaged with the driving gear, the middle part of the main shaft control disc is further provided with an axle body structure extending to the inside of the equipment main body, and the axle body structure and the main shaft control disc are movably connected to each other.
[0010] As a preferred technical scheme of the utility model, the sealing test mechanism further comprises a lead screw, a ball movable cover, a gas injection port and a limiting rod, the lead screw is movably connected to the second motor, and the ball movable cover is sleeved on the periphery of the lead screw.
[0011] As a preferred technical scheme of the utility model, the gas injection port is fixedly installed on the inner side of the ball movable cover, the limiting rod is provided with three groups, and the two side ends thereof are fixedly connected to the second motor and the sealing test mechanism respectively, and the middle part of the limiting rod penetrates through the ball movable cover.
[0012] As a preferred technical scheme of the utility model, the sealing test mechanism and the second motor are provided with four groups, and are movably connected to the side end of the main shaft control disc in a cross-shaped position relationship.
[0013] As a preferred technical scheme of the utility model, the gas injection port needs to be connected with an external gas conveying mechanism through a pipeline before use.
[0014] As a preferred technical scheme of the utility model, single driving of the second motor can make the main shaft control disc fixedly rotate by 90 degrees.
[0015] Compared with the prior art, the utility model provides a valve pressure test machine, which has the following beneficial effects:
[0016] The utility model provides a valve pressure testing machine, through setting up sealing test mechanism, screw rod, ball movable lid, main shaft control position disc and stopper, when the equipment uses, operator controls first motor and second motor through control panel, fills water in the water storage tank after full, and the valve structure that needs testing is placed between sealing test mechanism and ball movable lid, starts second motor at this moment, and second motor drives the rotation of screw rod and drives ball movable lid to move simultaneously, until the valve structure is clamped in sealing test mechanism side end, again through gas injection port, gas is injected into the inside of valve structure, first motor starts and drives main shaft control position disc rotation through driving gear at this moment, and main shaft control position disc drives sealing test mechanism rotation when rotating, when one group of sealing test mechanism is submerged in water, operator judges valve sealing property through observing the bubble floating condition, with the rotation of main shaft control position disc, each sealing test mechanism is submerged in water in proper order, until testing is completed,
[0017] Through above-mentioned setting and flow, can make the equipment in use combines valve submergence with valve fixed inflation pressurization, so that valve pressure test procedure is more smooth, through the cooperation of screw rod and ball movable lid, can make this structure when fixing valve, can adjust according to the length of testing valve, on the basis of improving the convenient degree of valve fixation still increases the universal applicability of equipment to valve detection. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is whole structure schematic diagram of the utility model;
[0019] Figure 2 It is side end structure schematic diagram of the utility model;
[0020] Figure 3 It is driving gear and driven gear connection position schematic diagram of the utility model;
[0021] Figure 4 It is sealing test mechanism and ball movable lid installation position schematic diagram of the utility model.
[0022] In the drawing: 1, equipment main body;2, control panel;3, first motor;4, driving gear;5, main shaft control position disc;501, driven gear;502, support shaft;504, axle seat frame;6, water storage tank;7, sealing test mechanism;701, screw rod;702, ball movable lid;703, gas injection port;704, stopper;8, second motor. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0024] In the embodiment, the valve pressure testing machine comprises a device main body 1, a control panel 2, a first motor 3 and a water storage tank 6, the control panel 2 is arranged at the side end of the device main body 1, the first motor 3 is arranged at the side end of the device main body 1, and the water storage tank 6 is arranged at the same side of the device main body 1.
[0025] The side end of the first motor 3 is provided with a driving gear 4, the side end of the device main body 1 is provided with a main shaft control position disc 5, the side end of the main shaft control position disc 5 is further provided with a sealing test mechanism 7, and the sealing test mechanism 7 and the main shaft control position disc 5 are provided with a second motor 8.
[0026] The main shaft control position disc 5 further comprises a driven gear 501, a support shaft 502 and a shaft seat frame 503, the driven gear 501 is fixedly connected to the side end of the main shaft control position disc 5, the support shaft 502 is transversely connected to the middle part of the main shaft control position disc 5, and the shaft seat frame 503 is movably connected to the other side end of the support shaft 502.
[0027] In the embodiment, the tooth groove of the driven gear 501 is engaged with the driving gear 4, the middle part of the main shaft control position disc 5 is further provided with a shaft body structure extending into the inside of the device main body 1, and an active connection relationship is established therebetween; the sealing test mechanism 7 further comprises a lead screw 701, a ball movable cover 702, a gas injection port 703 and a limiting rod 704, the lead screw 701 is movably connected to the second motor 8, and the ball movable cover 702 is sleeved on the periphery of the lead screw 701.
[0028] Specifically, as shown in Figure 1 and Figure 2 The main shaft control position disc 5 is connected with the device main body 1 through the shaft body structure, which can ensure the stability of the main shaft control position disc 5 and provide a rotating space for the main shaft control position disc 5.
[0029] In the embodiment, the gas injection port 703 is fixedly installed on the inner side of the ball movable cover 702, the limiting rod 704 is provided with three groups, and the two side ends thereof are fixedly connected to the second motor 8 and the sealing test mechanism 7 respectively, and the middle part of the limiting rod 704 penetrates through the ball movable cover 702; the sealing test mechanism 7 and the second motor 8 are provided with four groups, and are movably connected to the side end of the main shaft control position disc 5 in a cross position relationship.
[0030] Specifically, as shown in Figure 3 and Figure 4As shown, through the connection of the three groups of limiting rods 704, the position of the ball movable cover 702 can be fixed during movement, and through the arrangement of the four groups of cross-distributed sealing test mechanisms 7, the sealing test mechanism 7 at the lower end can be immersed in water.
[0031] In the embodiment, the gas injection port 703 needs to be connected with an external gas conveying mechanism through a pipeline before use, and single driving of the second motor 8 can make the main shaft control disc 5 fixedly rotate by 90°.
[0032] The working principle and use process of the utility model are as follows: when the equipment is used, the operator controls the first motor 3 and the second motor 8 through the control panel 2, fills the water storage tank 6 with water, and then places the valve structure to be tested between the sealing test mechanism 7 and the ball movable cover 702, at this time, the second motor 8 is started, the second motor 8 drives the rotation of the lead screw 701 and drives the movement of the ball movable cover 702 at the same time, until the valve structure is clamped at the side end of the sealing test mechanism 7, then the gas is injected into the valve structure through the gas injection port 703, at this time, the first motor 3 is started and drives the rotation of the main shaft control disc 5 through the driving gear 4, the main shaft control disc 5 drives the rotation of the sealing test mechanism 7 when rotating, after one of the sealing test mechanisms 7 is submerged in water, the operator judges the valve sealing performance by observing the bubble floating condition, with the rotation of the main shaft control disc 5, each sealing test mechanism 7 is sequentially submerged in water until the test is completed.
[0033] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model, should be included in the protection scope of the utility model.
Claims
1. A valve pressure testing machine, comprising a device body (1), a control panel (2), a first motor (3) and a water tank (6), the control panel (2) is arranged at the side end of the device body (1), the first motor (3) is arranged at the side end of the device body (1), and the water tank (6) is arranged at the same side of the device body (1), characterized in that: the side end of the first motor (3) is provided with a driving gear (4), the side end of the device body (1) is provided with a main shaft control disc (5), and the side end of the main shaft control disc (5) is further provided with a sealing test mechanism (7), and the sealing test mechanism (7) and the main shaft control disc (5) are provided with a second motor (8) therebetween; the main shaft control disc (5) further comprises a driven gear (501), a support shaft (502) and a shaft seat frame (503), the driven gear (501) is fixedly connected to the side end of the main shaft control disc (5), the support shaft (502) is transversely connected to the middle part of the main shaft control disc (5), and the shaft seat frame (503) is movably connected to the other side end of the support shaft (502).
2. The valve pressure tester of claim 1, wherein: The tooth groove of the driven gear (501) is engaged with the driving gear (4), and the middle part of the main shaft control disc (5) is further provided with a shaft body structure extending into the inside of the device body (1), and an active connection relationship is established therebetween.
3. The valve pressure tester of claim 1, wherein: The sealing test mechanism (7) further comprises a lead screw (701), a ball movable cover (702), a gas injection port (703) and a limiting rod (704), the lead screw (701) is movably connected to the second motor (8), and the ball movable cover (702) is sleeved on the periphery of the lead screw (701).
4. A valve pressure tester according to claim 3, wherein: The gas injection port (703) is fixedly installed on the inner side of the ball movable cover (702), the limiting rod (704) is provided with three groups, and the two side ends thereof are fixedly connected to the second motor (8) and the sealing test mechanism (7), respectively, and the middle part of the limiting rod (704) penetrates the ball movable cover (702).
5. The valve pressure tester of claim 1, wherein: The sealing test mechanism (7) and the second motor (8) are provided with four groups, and are movably connected to the side end of the main shaft control disc (5) in a cross intersection position relationship.
6. The valve pressure tester of claim 3, wherein: The gas injection port (703) needs to be connected with an external gas conveying mechanism through a pipeline before use.
7. The valve pressure tester of claim 1, wherein: Single driving of the second motor (8) can make the main shaft control disc (5) rotate by 90°.
Citation Information
Patent Citations
Valve pressure testing machine
CN220690421U
Cited By
Submersible valve airtightness testing device
CN122042145A