Device for connecting multi-point total pressure pipe with pressurizing instrument
By designing a support frame and an electric push rod-driven multi-point total pressure pipe connection for the pressure tester, the problem of difficult workpiece positioning was solved, achieving high-precision air leakage detection and stability, and simplifying the workpiece storage and retrieval process.
Patent Information
- Application Number
- CN202423151458.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2034-12-20
AI Technical Summary
In the existing technology, multi-point total pressure pipe connection devices are not easy to position on the workpiece, resulting in low pressure testing accuracy.
A multi-point total pressure pipe connection pressure tester was designed, which includes a support frame, a constraint ring, an air guide hood, a micro pump and a positioning component. The constraint ring and positioning component are driven to move downward by an electric push rod to ensure the stability of the workpiece, and an airflow sensor is used to detect air leakage.
It achieves stability and high-precision leak detection of workpieces during pressure testing, and simplifies the workpiece storage and retrieval process.
Smart Images

Figure CN223808071U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of pressure test, more specifically, the utility model relates to the device of multi -point total pressure pipe connection pressure appearance. BACKGROUND
[0002] Water pipe pressure test is an important link in the process of installing water pipe and waterway reconstruction, is used to detect the sealing performance and pressure resistance of pipeline system, and water pipe pressure test refers to that after water pipe installation or waterway reconstruction is completed, a certain pressure is applied to the pipeline system using a pressure pump or air compressor to check whether the pipeline leaks or cannot bear the design working pressure.
[0003] Among them, the patent with the announcement number CN210197005U discloses a kind of ball valve pipeline's pressure maintaining and pressure testing system, including pressure maintaining and pressure testing device, gas delivery pipeline system and ball valve switch, gas delivery pipeline system includes inlet pipe, gas supply main and outlet branch pipe, both ends of gas supply main are sealed;One end of inlet pipe is connected with pressure maintaining and pressure testing device, and the other end is connected on the lateral side of gas supply main and is interconnected;Outlet branch pipe is provided with multiple, one end of outlet branch pipe is connected on the lateral side of gas supply main and is interconnected, and the other end is provided with ball valve switch;
[0004] The structure is used, by setting gas delivery pipeline system, gas delivery pipeline system includes multiple outlet branch pipes, the end of each outlet branch pipe is equipped with ball valve switch, and is individually supplied with stabilized pressure by a pressure maintaining and pressure testing device, to achieve the purpose of reducing installation space and saving material cost, but the structure is not easy to position workpiece when using, and the precision is low when pressure and detection. UTILITY MODEL CONTENTS
[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a device for connecting a pressure tester to a multi-point total pressure pipe, aiming to solve the problems raised in the above background art.
[0006] The utility model provides the following technical scheme: a device for connecting a pressure tester to a multi-point total pressure pipe, comprising a support frame, a pressure detection assembly is arranged on the support frame;
[0007] The pressure detection assembly comprises a restraint ring arranged on the support frame, and a gas guide cover is embedded in the middle part of the restraint ring.
[0008] A micro pump is arranged on the top of the gas guide cover, a first positioning member is arranged on the bottom of the gas guide cover, an angle-adjustable second positioning member is hingedly connected to one side of the first positioning member, and a plurality of abutting blocks are arranged on the first positioning member and the second positioning member.
[0009] It can be seen that in the above technical scheme, the workpiece is placed between the second positioning member and the first positioning member, the second positioning member and the first positioning member are hinged, the second positioning member can be closed together with the first positioning member, and each abutting block and the rubber pad can abut against the outside of the workpiece, thereby ensuring the stability of the workpiece during the pressing detection; the micro pump machine delivers high-pressure airflow into the air guide cover, and the airflow is delivered into the workpiece through the air guide cover; the airflow sensor detects the leaked airflow, thereby detecting whether there is air leakage; and the constraint ring resets, so that the first positioning member and the second positioning member lose the limiting, and the workpiece is easy to access.
[0010] Optionally, in possible embodiments, the first positioning member and the second positioning member are both provided in an arc shape, each abutting block is clamped with the first positioning member and the second positioning member, one side of each of the plurality of abutting blocks is fixedly provided with a rubber pad, an installation cavity is formed between each of the two adjacent abutting blocks, the installation cavity is provided with an airflow sensor, the top of each of the plurality of abutting blocks is provided with a pressing piece, the pressing piece is detachably connected with the abutting block through a bolt, the top of the support frame is provided with an electric push rod, the output end of the electric push rod is provided with a pressing plate, the pressing plate is located at the top of the inner cavity of the support frame, the bottom of the pressing plate is provided with a plurality of reinforcing insertion rods, the bottom of each of the plurality of reinforcing insertion rods extends to the constraint ring, and the air guide cover is clamped with the constraint ring.
[0011] It can be seen that in the above technical scheme, the electric push rod drives the pressing plate to drive the reinforcing insertion rod, the constraint ring, the micro pump machine and the air guide cover to displace downward, and the constraint ring can be arranged outside each abutting block, thereby realizing the function of constraining the first positioning member, the second positioning member and the abutting block.
[0012] The technical effects and advantages of the utility model are as follows:
[0013] By arranging the pressing detection assembly, the workpiece is placed between the second positioning member and the first positioning member, the second positioning member and the first positioning member are hinged, the second positioning member can be closed together with the first positioning member, and each abutting block and the rubber pad can abut against the outside of the workpiece, thereby ensuring the stability of the workpiece during the pressing detection;
[0014] And the micro pump machine delivers high-pressure airflow into the air guide cover, and the airflow is delivered into the workpiece through the air guide cover; the airflow sensor detects the leaked airflow, thereby detecting whether there is air leakage; and the constraint ring resets, so that the first positioning member and the second positioning member lose the limiting, and the workpiece is easy to access. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical solutions in the present disclosure, the drawings needed to be used in the embodiments will be briefly introduced. Obviously, the drawings in the following description only represent some of the embodiments of the present disclosure, and other drawings can be obtained by those of ordinary skill in the art based on these drawings. In addition, the drawings in the following description can be regarded as schematic diagrams, and are not limited to the actual size, actual process, actual timing of signals, etc. of the products involved in the embodiments of the present disclosure.
[0016] Figure 1 It is the overall structure front view of the utility model.
[0017] Figure 2 It is the overall structure side view of the utility model.
[0018] Figure 3 It is the perspective view of the first positioning member, the second positioning member, the abutting block, the rubber pad, the pressing piece and the airflow sensor of the utility model.
[0019] Figure 4 It is the perspective view of the constraint ring, the air guide cover, the micro pump and the pressing plate of the utility model.
[0020] The figure mark is: 1, support frame;2, constraint ring;3, air guide cover;4, micro pump;5, pressing plate;6, first positioning member;7, second positioning member;8, abutting block;9, rubber pad;10, pressing piece;11, electric push rod;12, airflow sensor;13, reinforcing insertion rod. Specific implementation
[0021] The technical solutions in the embodiments of the present utility model will be clearly and completely described below in combination with the drawings in the embodiments of the present utility model. Obviously, the described embodiments only represent some of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present utility model.
[0022] As the drawings Figure 1 - Figure 4The device for connecting the multi-point total pressure pipe to the pressurizing tester is characterized in that the pressurizing detection assembly is arranged on the support frame 1, the second positioning member 7 can be closed together with the first positioning member 6, and the respective abutting blocks 8 and the rubber pads 9 can abut against the outside of the workpiece, so as to ensure the stability of the workpiece during the pressurizing detection; the electric push rod 11 drives the pressing plate 5 to drive the reinforcing insertion rods 13, the constraint ring 2, the micro pump 4 and the gas guide cover 3 to move downward, so that the constraint ring 2 can cover the outside of the respective abutting blocks 8, the functions of the first positioning member 6, the second positioning member 7 and the abutting blocks 8 are constrained, and the micro pump 4 delivers the high-pressure airflow into the gas guide cover 3, and then into the workpiece through the gas guide cover 3, and the airflow sensor 12 detects the leaked airflow, and then detects whether there is air leakage, and the specific structure of the assembly is arranged as follows.
[0023] The pressurizing detection assembly comprises the constraint ring 2 arranged on the support frame 1, and the middle part of the constraint ring 2 is embedded with the gas guide cover 3.
[0024] The top of the gas guide cover 3 is provided with the micro pump 4, the bottom of the gas guide cover 3 is provided with the first positioning member 6, one side of the first positioning member 6 is hinged with the second positioning member 7 with adjustable angle, and the first positioning member 6 and the second positioning member 7 are both provided with a plurality of abutting blocks 8.
[0025] The cross-sectional shape of the first positioning member 6 and the second positioning member 7 is arranged as an arc shape, the respective abutting blocks 8 are clamped with the first positioning member 6 and the second positioning member 7, the side of the plurality of abutting blocks 8 is fixedly provided with the rubber pad 9, the installation cavities are formed between the respective adjacent two abutting blocks 8, the airflow sensor 12 is arranged in the installation cavities, the top of the plurality of abutting blocks 8 is provided with the pressing piece 10, the pressing piece 10 is detachably connected with the abutting block 8 through the bolt, the top of the support frame 1 is provided with the electric push rod 11, the output end of the electric push rod 11 is provided with the pressing plate 5, the pressing plate 5 is located at the top of the inner cavity of the support frame 1, the bottom of the pressing plate 5 is provided with a plurality of reinforcing insertion rods 13, the bottom of the plurality of reinforcing insertion rods 13 extends to the constraint ring 2, and the gas guide cover 3 is clamped with the constraint ring 2.
[0026] According to the above structure during use, the workers install the device at the designated position, place the workpiece between the second positioning member 7 and the first positioning member 6 during the pressurizing detection of the workpiece, the second positioning member 7 and the first positioning member 6 are hinged, the second positioning member 7 can be closed together with the first positioning member 6, and the respective abutting blocks 8 and the rubber pads 9 can abut against the outside of the workpiece, so as to ensure the stability of the workpiece during the pressurizing detection.
[0027] The electric push rod 11 drives the pressing plate 5 to drive the reinforcing plug 13, the constraint ring 2, the micro pump 4 and the air guide cover 3 to displace downward, and the constraint ring 2 can be covered outside each abutting block 8, the functions of the first positioning piece 6, the second positioning piece 7 and the abutting block 8 are constrained, and the micro pump 4 delivers high-pressure airflow into the air guide cover 3, and the airflow sensor 12 detects the leaked airflow, and then detects whether there is air leakage, and the constraint ring 2 resets, so that the first positioning piece 6 and the second positioning piece 7 lose the limit, and the workpiece is easy to access.
[0028] Different from the prior art, the application discloses a device for connecting a multi-point total pressure pipe to a pressing instrument, the second positioning piece 7 can be closed together with the first positioning piece 6, and each abutting block 8 and rubber pad 9 can abut against the outside of the workpiece, so that the stability of the workpiece during pressing detection is ensured, the electric push rod 11 drives the pressing plate 5 to drive the reinforcing plug 13, the constraint ring 2, the micro pump 4 and the air guide cover 3 to displace downward, and the constraint ring 2 can be covered outside each abutting block 8, the functions of the first positioning piece 6, the second positioning piece 7 and the abutting block 8 are constrained, and the micro pump 4 delivers high-pressure airflow into the air guide cover 3, and the airflow sensor 12 detects the leaked airflow, and then detects whether there is air leakage.
[0029] The above is only a preferred embodiment of the utility model, and is not used for limiting the utility model, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A device for connecting a multi-point total pressure pipe to a pressure tester, comprising a support frame (1), characterised in that: The support frame (1) is provided with a pressing detection assembly; The pressing detection assembly comprises a constraint ring (2) provided on the support frame (1), and a gas guide cover (3) is embedded in the middle of the constraint ring (2); The top of the gas guide cover (3) is provided with a micro pump (4), the bottom of the gas guide cover (3) is provided with a first positioning piece (6), one side of the first positioning piece (6) is hingedly connected with an angle-adjustable second positioning piece (7), and a plurality of abutting blocks (8) are arranged on the first positioning piece (6) and the second positioning piece (7).
2. The apparatus of claim 1, wherein: The cross-sectional shape of the first positioning piece (6) and the second positioning piece (7) is arc-shaped, and each abutting block (8) is clamped with the first positioning piece (6) and the second positioning piece (7).
3. The apparatus of claim 1, wherein: One side of each of the plurality of abutting blocks (8) is fixedly provided with a rubber pad (9), and an installation cavity is formed between each two adjacent abutting blocks (8), and a gas flow sensor (12) is arranged in the installation cavity.
4. The apparatus of claim 1, wherein: The top of each of the plurality of abutting blocks (8) is provided with a tablet pressing piece (10), and the tablet pressing piece (10) and the abutting block (8) are detachably connected through bolts.
5. The apparatus of claim 1, wherein: The top of the support frame (1) is provided with an electric push rod (11), and the output end of the electric push rod (11) is provided with a pressing plate (5).
6. The apparatus of claim 5, wherein: The pressing plate (5) is located at the top of the inner cavity of the support frame (1), and the bottom of the pressing plate (5) is provided with a plurality of reinforcing insertion rods (13).
7. The apparatus of claim 6, wherein: The bottom of each of the plurality of reinforcing insertion rods (13) extends to the constraint ring (2), and the gas guide cover (3) is clamped with the constraint ring (2).
Citation Information
Patent Citations
Pressure maintaining and pressurizing system of ball valve pipeline
CN210197005U