Sealing test tool for water dispenser pipe fitting

By designing automated sealing testing tools, the problem of cumbersome sealing testing processes for water dispenser pipe fittings has been solved, achieving efficient testing without manual operation.

CN223966226UActive Publication Date: 2026-03-03NINGHAI JIANPAI AUTOMOTIVE ACCESSORY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-18
Publication Date
2026-03-03

AI Technical Summary

Technical Problem

The existing water dispenser pipe sealing test process is cumbersome, resulting in low work efficiency and requiring manual operation, which is inconvenient.

Method used

A sealing test tool was designed, comprising a chassis, base plate, pressure block, cylinder, seat block, and ejection mechanism, which can automatically complete the mating and disassembly of L-shaped joints, simplifying the testing process.

Benefits of technology

It enables the automatic connection and disconnection of L-shaped connectors without manual operation, thus improving testing efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a sealing test tool for a water dispenser pipe fitting. The sealing test tool comprises a case, a bottom plate transversely fixed at an opening at the top of the case, and two test assemblies arranged at the top of the bottom plate, the test assembly comprises a pressing block which is movably connected to the bottom plate and has a front-back translation function, a cylinder which is fixed on the bottom plate and is positioned behind the pressing block, and a seat block which is fixed on the bottom plate and is positioned in front of the pressing block; an L-shaped positioning groove is formed in the top of the base block, and an ejection mechanism is further arranged between the pressing block and the base block. The ejection mechanism comprises a traction block fixed to the bottom of the pressing block and movably arranged in the bottom plate in a penetrating mode to have a front-back translation function, and an L-shaped ejection plate vertically and movably arranged between the bottom face of the L-shaped positioning groove and the outer wall of the bottom of the bottom plate in a penetrating mode to have an up-down vertical movement function. The swinging unit is arranged between the traction block and the L-shaped ejection plate and is positioned in the case; according to the utility model, the testing process is simplified, so that the use is convenient, and the working efficiency is improved.
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Description

Technical Field

[0001] This utility model relates to a sealing test tool for water dispenser pipe fittings. Background Technology

[0002] A water dispenser is a device that heats or cools bottled purified water (or mineral water) for convenient drinking. The dispenser contains pipes for water delivery, with an L-shaped connector sealed at both ends. To verify the internal seal between the L-shaped connectors and the pipes, a seal test must be performed on both the pipes and the two L-shaped connectors after they are fixed in place. Currently, most seal tests on the pipes and the two L-shaped connectors are performed manually. Operators connect the two interfaces of a pressure testing system to the openings at the ends of the two L-shaped connectors before testing and disconnect the two interfaces after testing. This process is cumbersome, inconvenient, and inefficient, requiring further improvement. Utility Model Content

[0003] In view of the current state of the prior art, the technical problem to be solved by this utility model is to provide a sealing test tool for water dispenser pipe fittings that simplifies the testing process, facilitates use, and thus improves work efficiency.

[0004] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows: a sealing test tool for water dispenser pipe fittings, comprising a chassis, a base plate horizontally fixed at the top opening of the chassis, and two test components disposed on the top of the base plate, characterized in that:

[0005] The test assembly includes a pressure block movably connected to the base plate to have a forward and backward translation function, a cylinder fixed on the base plate and located behind the pressure block, and a seat block fixed on the base plate and located in front of the pressure block. The telescopic end of the cylinder is set laterally forward and fixed on the pressure block.

[0006] A countersunk hole is provided on the front side of the pressure block, and a vent hole is provided between the inner wall of the countersunk hole and the top outer wall of the pressure block.

[0007] The top of the seat block is provided with an L-shaped positioning groove. One end of the L-shaped positioning groove is set to face backward and is directly opposite the opening of the countersunk hole. Several first limiting grooves are provided on the inner wall of the end of the L-shaped positioning groove that faces the countersunk hole, which are arranged sequentially along the direction of the L-shaped positioning groove. A second limiting groove is provided on the inner wall of the other end of the L-shaped positioning groove.

[0008] Preferably, an ejection mechanism is provided between the pressure block and the seat block. The ejection mechanism includes a traction block fixed to the bottom of the pressure block and movably inserted in the base plate to have a forward and backward translation function, an L-shaped ejection plate vertically inserted between the bottom surface of the L-shaped positioning groove and the bottom outer wall of the base plate to have a vertical up and down function, and a swing unit located between the traction block and the L-shaped ejection plate and inside the chassis.

[0009] Preferably, the swing unit includes a rectangular frame and a pin fixed laterally inside the rectangular frame and arranged in a left-right direction, the pin being rotatably connected to the bottom of the base plate.

[0010] Preferably, inclined guide slots are provided between the left and right outer walls of the traction block, with the guide slots being lower at the front and higher at the back. The rear end of the rectangular frame is slidably inserted into the guide slots, and the front end of the rectangular frame is located below the L-shaped top plate.

[0011] Preferably, the ejection mechanism further includes a lifting plate that is laterally fixed to the lower side of the L-shaped ejection plate, and the front and rear edges of the lifting plate are each formed with a flange facing downwards, with the front end of the rectangular frame located between the two flanges.

[0012] Preferably, the front side of the pressure block has an annular recessed cavity that is concentrically distributed with the countersunk hole, and an interface pipe is formed between the annular recessed cavity and the countersunk hole.

[0013] Preferably, a positioning plate is fixed to the front side of the pressure block, and the positioning plate has a positioning hole that is concentrically arranged with the interface pipe.

[0014] Preferably, a detachable vent connector is also inserted into the vent hole.

[0015] Compared with the prior art, the advantages of this utility model are: this utility model can automatically complete the docking and disengagement of two L-shaped connectors without manual operation, and can also automatically push the two L-shaped connectors upward with the help of the ejection mechanism to separate them from the seat block with which they are interference-connected, thereby simplifying the testing process and facilitating use, thus improving work efficiency. Attached Figure Description

[0016] The above and other features, advantages, and aspects of the embodiments of this application will become more apparent when taken in conjunction with the accompanying drawings and the following detailed description; throughout the drawings, the same or similar reference numerals denote the same or similar elements; it should be understood that the drawings are schematic, and the originals and elements are not necessarily drawn to scale; in the drawings:

[0017] Figure 1 This is a structural diagram of the left front side of this utility model;

[0018] Figure 2This is an exploded view of the left front side of the test component of this utility model;

[0019] Figure 3 This is a left view of the ejection mechanism of this utility model;

[0020] Figure 4 This is a top view of the rectangular frame of this utility model. Detailed Implementation

[0021] Unless otherwise defined, the technical or scientific terms used in this utility model shall have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar terms used in this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0022] To keep the following description of the embodiments of this utility model clear and concise, detailed descriptions of known functions and known components are omitted.

[0023] like Figures 1-4 As shown, a sealing test tool for water dispenser fittings includes a housing 1, a base plate 2 horizontally fixed at the top opening of the housing 1, and two test components 3 disposed on the top of the base plate 2.

[0024] The test component 3 includes a pressure block 31 movably connected to the base plate 2 to have a forward and backward translation function, a cylinder 32 fixed to the base plate 2 and located behind the pressure block 31, and a seat block 33 fixed to the base plate 2 and located in front of the pressure block 31. The telescopic end of the cylinder 32 is set laterally forward and fixed to the pressure block 31.

[0025] A countersunk hole 311 is provided on the front side of the pressure block 31, and a vent hole 312 is provided between the inner wall of the countersunk hole 311 and the top outer wall of the pressure block 31.

[0026] The top of the seat block 33 is provided with an L-shaped positioning groove 331. One end of the L-shaped positioning groove 331 is set to face backward and is directly opposite the opening of the countersunk hole 311. Several first limiting grooves 332 are provided on the inner wall of the end of the L-shaped positioning groove 331 that is directly opposite the countersunk hole 311, and a second limiting groove 333 is provided on the inner wall of the other end of the L-shaped positioning groove 331.

[0027] An ejection mechanism is also provided between the pressure block 31 and the seat block 33. The ejection mechanism includes a traction block 35 fixed to the bottom of the pressure block 31 and movably inserted in the base plate 2 to have the function of forward and backward translation, an L-shaped ejection plate 34 vertically inserted between the bottom surface of the L-shaped positioning groove 331 and the bottom outer wall of the base plate 2 to have the function of vertical up and down movement, and a swing unit located between the traction block 35 and the L-shaped ejection plate 34 and located in the chassis 1.

[0028] The swing unit includes a rectangular frame 36 and a pin 38 that is horizontally fixed inside the rectangular frame 36 and arranged in a left-right direction. The pin 38 is rotatably connected to the bottom of the base plate 2.

[0029] An inclined guide opening groove 351 is provided between the left and right outer walls of the traction block 35. The guide opening groove 351 is set with the front lower and the back higher. The rear end of the rectangular frame 36 is slidably inserted into the guide opening groove 351, and the front end of the rectangular frame 36 is located below the L-shaped top plate 34.

[0030] The ejection mechanism also includes a lifting plate 37 that is horizontally fixed to the lower side of the L-shaped ejection plate 34. The front and rear edges of the lifting plate 37 are each formed with a flange 371 facing downwards. The front end of the rectangular frame 36 is located between the two flanges 371.

[0031] The front side of the pressure block 31 has an annular recess 313 that is concentrically distributed with the countersunk hole 311, and an interface pipe 314 is formed between the annular recess 313 and the countersunk hole 311.

[0032] A positioning plate 39 is also fixed to the front side of the pressure block 31. The positioning plate 39 has a positioning hole 391 that is concentrically set with the interface pipe 314.

[0033] A detachable vent connector 310 is also inserted into the vent 312.

[0034] How to use:

[0035] Both ends of the pipe fitting 4 are sealed and fixed with an L-shaped connector 5. In order to verify the sealing performance between the two L-shaped connectors 5 and the pipe fitting 4, the two L-shaped connectors 5 are respectively inserted into the L-shaped positioning grooves 331 on the seat blocks 33 in the two test components 3. Since the inner size of the L-shaped positioning groove 331 is slightly smaller than the outer size of the L-shaped connector 5, the L-shaped connector 5 is pressed into the L-shaped positioning groove 331 after being inserted. The stepped post 51 on the L-shaped connector 5 is embedded in the second limiting groove 333, and the stepped ring 52 on the L-shaped connector 5 is embedded in one of the first limiting grooves 332 to prevent the L-shaped connector 5 from shifting.

[0036] Next, the air pressure testing system is connected to the air vents 312 on the two pressure blocks 31 via two vent connectors 310. Then, the telescopic ends of the cylinders 32 in the two test components 3 are simultaneously driven to extend outward, causing the two pressure blocks 31 to move forward. This allows the end openings of the two L-shaped connectors 5 to pass through the positioning holes 391 on the two positioning plates 39 and be inserted into the annular recesses 313 on the two pressure blocks 31, until the end openings of each L-shaped connector 5 are pressed against the bottom surface of the annular recesses 313. This allows the two interface tubes 314 to extend into the end openings of the two L-shaped connectors 5.

[0037] Next, after the air pressure testing system is started, pressurized gas enters the L-shaped connector 5 on one pressure block 31 through the vent hole 312 and countersunk hole 311, then enters the other L-shaped connector 5 through the pipe 4, and then returns to the air pressure testing system through the vent hole 312 and countersunk hole 311 on another pressure block 31. After maintaining the pressure for a period of time, the air pressure is monitored to determine whether the sealing effect is qualified (existing technology).

[0038] After the test is completed, the telescopic ends of the two cylinders 32 are simultaneously driven to retract inward, thereby causing the two pressure blocks 31 to move backward, and thus causing the end openings of the two L-shaped connectors 5 to separate from the two pressure blocks 31 respectively. During this process, the pressure block 31 will drive the traction block 35 in the ejection mechanism to move backward, and then press the rear end of the rectangular frame 36 downward with the help of the guide opening groove 351, thereby forcing the front end of the rectangular frame 36 to swing upward, and then push the L-shaped ejection plate 34 upward with the help of the lifting plate 37, so that the upper edge of the L-shaped ejection plate 34 enters the L-shaped positioning groove 331 and pushes the L-shaped connector 5 upward, thereby automatically ejecting the L-shaped connector 5 from the L-shaped positioning groove 331 upward without manual operation.

[0039] This invention can automatically connect and disconnect two L-shaped connectors 5 without manual operation. It can also automatically push the two L-shaped connectors 5 upward with the help of the ejection mechanism so that they are separated from the seat block 33 that is interference-connected with them, thereby simplifying the testing process and making it more convenient to use, thus improving work efficiency.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A sealing test tool for water dispenser fittings, comprising a chassis, a base plate horizontally fixed at the top opening of the chassis, and two test components disposed on the top of the base plate, characterized in that: The test assembly includes a pressure block movably connected to the base plate to have a forward and backward translation function, a cylinder fixed on the base plate and located behind the pressure block, and a seat block fixed on the base plate and located in front of the pressure block. The telescopic end of the cylinder is set laterally forward and fixed on the pressure block. A countersunk hole is provided on the front side of the pressure block, and a vent hole is provided between the inner wall of the countersunk hole and the top outer wall of the pressure block. The top of the seat block is provided with an L-shaped positioning groove. One end of the L-shaped positioning groove is set to face backward and is directly opposite the opening of the countersunk hole. Several first limiting grooves are provided on the inner wall of the end of the L-shaped positioning groove that faces the countersunk hole, which are arranged sequentially along the direction of the L-shaped positioning groove. A second limiting groove is provided on the inner wall of the other end of the L-shaped positioning groove.

2. The sealing test tool for water dispenser fittings according to claim 1, characterized in that, An ejection mechanism is also provided between the pressure block and the seat block. The ejection mechanism includes a traction block fixed to the bottom of the pressure block and movably inserted in the base plate to have the function of forward and backward translation, an L-shaped ejection plate vertically inserted between the bottom surface of the L-shaped positioning groove and the bottom outer wall of the base plate to have the function of vertical up and down translation, and a swing unit located between the traction block and the L-shaped ejection plate and inside the chassis.

3. The sealing test tool for water dispenser fittings according to claim 2, characterized in that, The swing unit includes a rectangular frame and a pin that is horizontally fixed inside the rectangular frame and arranged in a left-right direction. The pin is rotatably connected to the bottom of the base plate.

4. The sealing test tool for water dispenser fittings according to claim 3, characterized in that, The traction block has inclined guide slots between its left and right outer walls. The guide slots are set with the front lower than the back. The rear end of the rectangular frame is slidably inserted into the guide slots, and the front end of the rectangular frame is located below the L-shaped top plate.

5. The sealing test tool for water dispenser fittings according to claim 4, characterized in that, The ejection mechanism also includes a lifting plate that is horizontally fixed to the lower side of the L-shaped ejection plate. The front and rear edges of the lifting plate are each formed with a flange facing downwards, and the front end of the rectangular frame is located between the two flanges.

6. The sealing test tool for water dispenser pipe fittings according to claim 1, characterized in that, The front side of the pressure block has an annular recessed cavity that is concentric with the countersunk hole, and an interface pipe is formed between the annular recessed cavity and the countersunk hole.

7. A sealing test tool for water dispenser pipe fittings according to claim 6, characterized in that, A positioning plate is also fixed to the front side of the pressure block, and a positioning hole is provided in the positioning plate that is concentric with the interface pipe.

8. The sealing test tool for water dispenser fittings according to claim 1, characterized in that, A detachable vent connector is also inserted into the vent hole.