Air tightness detection device for groove pipe fitting processing

By designing the transmission components and clamping arms, the problem of rusting when the connecting spring gets wet was solved, extending the service life of the device and improving the stability and applicability of the testing device.

CN224202669UActive Publication Date: 2026-05-05SHANDONG YOUNET YUKAI NEW MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG YOUNET YUKAI NEW MATERIALS CO LTD
Filing Date
2025-05-20
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

In existing grooved pipe fitting airtightness testing devices, the connecting springs are prone to getting wet and rusting, which can easily lead to damage after prolonged use and affect their usability.

Method used

The transmission assembly includes a rotating shaft and a worm gear. The transmission assembly is driven to rotate via a connecting rod, which in turn causes the rotating parts and the clamping arm to rotate relative to each other, thus loosening or fixing the locking device and preventing the connecting spring from directly contacting the water.

Benefits of technology

It effectively prevents the connecting spring from getting wet and rusting, extends the service life of the device, and improves the stability and applicability of the detection device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of pipe fitting detection, in particular to an air tightness detection device for groove pipe fitting processing, which comprises a water storage tank, a moving mechanism, two locking discs and a limiting structure, the limiting structure comprises a connecting rod, a transmission assembly, a connecting frame, two rotating parts, two clamping arms, a supporting rod and a locking pad, the moving mechanism is rotatably connected with the water storage tank, and the locking disc is connected with the connecting frame. The two locking discs are in sliding connection with the moving mechanism, the connecting rod, the connecting frame and the supporting rod are arranged on the water storage tank, the transmission assembly is fixedly connected with the connecting rod, one ends of the two rotating components are rotationally connected with the transmission assembly, the other ends of the two rotating components are rotationally connected with the connecting frame, and each clamping arm is fixedly connected with the corresponding rotating component. The supporting rod is fixedly connected with the moving mechanism, the locking pad is fixedly connected with the supporting rod, and the problems that a connecting spring is prone to being damaged after being used for a long time and is affected in use due to rusting caused by the fact that the connecting spring is prone to being stained with water during use are solved.
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Description

Technical Field

[0001] This utility model relates to the field of pipe fitting testing technology, and in particular to an airtightness testing device for grooved pipe fitting processing. Background Technology

[0002] Currently, traditional grooved pipe fitting air tightness testing devices have a relatively fixed structure and can only test pipe fittings of the same size. This makes the applicability of the pipe fitting air tightness testing device poor. When it is necessary to test pipe fittings of different sizes, air tightness testing devices of other sizes need to be used.

[0003] To address the aforementioned issues, prior art CN215639958U discloses an airtightness testing device for grooved pipe fitting processing, comprising a water storage tank. A rotating shaft is rotatably connected to one inner wall of the water storage tank via a bearing. The end of the rotating shaft extends to the outside of the water storage tank and is fixed to a turntable. A locking rod is rotatably connected to the other inner wall of the water storage tank via a bearing. Locking discs are fixed to the ends of both the rotating shaft and the locking rod. The adjacent end faces of two locking discs are fixedly connected by a connecting rod. A testing device is provided at the ends of both locking discs. A limiting device is provided on the side wall of the water storage tank. The testing device includes multiple rotating rods rotatably connected to the side walls of the locking discs via bearings. The limiting device includes an annular block fixed to the inner wall of the water storage tank. Multiple connecting springs are fixed to the inner wall of the annular block, and a support plate is fixed to the bottom of the multiple connecting springs. This device, by setting multiple locking blocks of different sizes, can easily perform airtightness testing on grooved pipes of different sizes, effectively increasing the applicability of the pipe fitting airtightness testing device, making it convenient for testing personnel to use, and improving testing efficiency.

[0004] However, in the aforementioned prior art, the connecting spring is prone to getting wet during use, which can cause it to rust and lead to damage over time, affecting its usability. Summary of the Invention

[0005] The purpose of this utility model is to provide an airtightness testing device for the processing of grooved pipe fittings, which solves the technical problem in the prior art that the connecting spring is prone to getting wet during use, thus rusting and being easily damaged after long-term use, affecting its use.

[0006] To achieve the above objectives, this utility model employs an airtightness testing device for grooved pipe fitting processing, comprising a water tank, a moving mechanism, two locking discs, and a limiting structure. The limiting structure includes a connecting rod, a transmission assembly, a connecting frame, two rotating components, two clamping arms, a support rod, and a locking pad. The moving mechanism is rotatably connected to the water tank and located at one end of the water tank. The two locking discs are slidably connected to the moving mechanism and symmetrically arranged at one end of the moving mechanism. The connecting rod, the connecting frame, and the support rod are respectively mounted on the water tank. The transmission assembly... The two rotating components are fixedly connected to the connecting rod and located at one end of the connecting rod. One end of each of the two rotating components is rotatably connected to the transmission assembly and symmetrically arranged at one end of the transmission assembly. The other end of each of the two rotating components is rotatably connected to the connecting frame and symmetrically arranged at one end of the connecting frame. Each clamping arm is fixedly connected to the corresponding rotating component and located at one end of the corresponding rotating component. The support rod is fixedly connected to the moving mechanism and located at one end of the moving mechanism. The locking pad is fixedly connected to the support rod and located on the outer surface of the support rod.

[0007] The transmission assembly includes a rotating shaft and a worm gear, the worm gear being fixedly connected to the rotating shaft and located at one end of the rotating shaft.

[0008] The connecting frame includes a cylinder and two frames, which are fixedly connected to the cylinder and symmetrically arranged at one end of the cylinder.

[0009] Each of the rotating components includes a worm gear and a support rod. One end of the support rod is fixedly connected to the worm gear and is located at one end of the worm gear. The other end of the support rod is rotatably connected to the corresponding frame and is located at one end of the frame. The worm gear cooperates with the worm.

[0010] Each clamping arm includes an arm body, a clamping plate, and an anti-slip pad. The arm body is fixedly connected to the support rod and located at one end of the support rod. The clamping plate is fixedly connected to the arm body and located at one end of the arm body. The anti-slip pad is fixedly connected to the clamping plate and located at one end of the clamping plate.

[0011] This utility model discloses an airtightness testing device for processing grooved pipe fittings. In practical use, a tool is used to rotate the connecting rod, which drives the transmission assembly to rotate. The transmission assembly drives two rotating parts to rotate relative to the rod through the connecting frame. The two transmission parts drive two clamping arms to rotate relative to each other. The two clamping arms release the locking pad, allowing the moving mechanism to rotate. After rotation, the connecting rod is rotated in the opposite direction, and the two clamping arms can fix and hold the locking pad, thereby fixing the moving mechanism. This method effectively solves the problem that the connecting spring is prone to rusting due to water during use, which leads to damage after long-term use and affects its use. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the structure of an airtightness testing device for processing grooved pipe fittings according to this utility model.

[0014] Figure 2 This is a side view of an airtightness testing device for processing grooved pipe fittings according to this utility model.

[0015] Figure 3 This is the utility model Figure 2 A cross-sectional view of the AA line structure.

[0016] 101-Water storage tank, 102-Moving mechanism, 103-Locking disc, 104-Connecting rod, 105-Support rod, 106-Locking pad, 107-Rotating shaft, 108-Worm gear, 109-Cylinder, 110-Frame, 111-Worm wheel, 112-Support rod, 113-Arm body, 114-Clamping plate, 115-Anti-slip pad. Detailed Implementation

[0017] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0018] Please see Figures 1-3 ,in Figure 1 This is a schematic diagram of the structure of an airtightness testing device for processing grooved pipe fittings according to this utility model. Figure 2This is a side view of an airtightness testing device for processing grooved pipe fittings according to this utility model. Figure 3 This is the utility model Figure 2 A cross-sectional view of the AA line structure.

[0019] This utility model provides an airtightness testing device for grooved pipe fitting processing, including a water storage tank 101, a moving mechanism 102, a locking disc 103, a connecting rod 104, a support rod 105, a locking pad 106, a rotating shaft 107, a worm gear 108, a cylinder 109, a frame 110, a worm wheel 111, a support rod 112, an arm 113, a clamping plate 114, and an anti-slip pad 115. The aforementioned solution solves the problem that the connecting spring is prone to rusting due to water during use, which leads to easy damage after long-term use and affects its use.

[0020] In this specific embodiment, the moving mechanism 102 is rotatably connected to the water storage tank 101 and located at one end of the water storage tank 101. Two locking discs 103 are slidably connected to the moving mechanism 102 and symmetrically arranged at one end of the moving mechanism 102. The connecting rod 104, the connecting frame, and the support rod 105 are respectively disposed on the water storage tank 101. The transmission assembly is fixedly connected to the connecting rod 104 and located at one end of the connecting rod 104. One end of each of the two rotating components is rotatably connected to the transmission assembly and symmetrically arranged at one end of the transmission assembly. The other ends of the two rotating components are rotatably connected to the connecting frame and symmetrically arranged at one end of the connecting frame. Each clamping arm is fixedly connected to the corresponding rotating component and located at one end of the corresponding rotating component. The support rod 105 is fixedly connected to the moving mechanism 102. The connecting rod 104 is connected to and located at one end of the moving mechanism 102. The locking pad 106 is fixedly connected to the support rod 105 and located on the outer surface of the support rod 105. The moving mechanism 102 and the two locking discs are provided by the prior art. By rotating the connecting rod 104 with a tool, the connecting rod 104 drives the transmission assembly to rotate. The transmission assembly drives the two rotating parts to rotate relative to the connecting rod through the connecting frame. The two transmission parts drive the two clamping arms to rotate relative to each other. The two clamping arms release the locking pad 106, and the moving mechanism 102 can be rotated. After rotation, the connecting rod 104 is rotated in the opposite direction, and the two clamping arms can fix and clamp the locking pad 106, thereby fixing the moving mechanism 102. This solves the problem that the connecting spring is prone to water contact during use, which can cause rust and damage after long-term use, affecting its use.

[0021] The transmission assembly includes a rotating shaft 107 and a worm gear 108. The worm gear 108 is fixedly connected to the rotating shaft 107 and is located at one end of the rotating shaft 107. The rotating shaft 107 drives the worm gear 108 to rotate.

[0022] Secondly, the connecting frame includes a cylinder 109 and two frames 110. The two frames 110 are fixedly connected to the cylinder 109 and are symmetrically arranged at one end of the cylinder 109. The two frames 110 are installed on the cylinder 109.

[0023] Meanwhile, each of the rotating components includes a worm gear 111 and a support rod 112. One end of the support rod 112 is fixedly connected to the worm gear 111 and is located at one end of the worm gear 111. The other end of the support rod 112 is rotatably connected to the corresponding frame 110 and is located at one end of the frame 110. The worm gear 111 cooperates with the worm 108. The worm 108 drives the worm gear 111 to rotate, and the worm gear 111 drives the support rod 112 to rotate on the frame 110.

[0024] In addition, each clamping arm includes an arm body 113, a clamping plate 114, and an anti-slip pad 115. The arm body 113 is fixedly connected to the support rod 112 and is located at one end of the support rod 112. The clamping plate 114 is fixedly connected to the arm body 113 and is located at one end of the arm body 113. The anti-slip pad 115 is fixedly connected to the clamping plate 114 and is located at one end of the clamping plate 114. The support rod 112 drives the arm body 113 to rotate, and the arm body 113 drives the clamping plate 114 to rotate. The anti-slip pad increases friction, thereby improving the fixation of the clamping plate 114.

[0025] In the specific use of the airtightness testing device for grooved pipe fitting processing according to this embodiment, a tool drives the connecting rod 104 to rotate. The connecting rod 104 drives the worm gear 108 to rotate via the rotating shaft 107. The worm gear 108 drives the two worm wheels 111 to move relative to each other on the two frames 110 via the two support rods 112. The two support rods 112 drive the two arms 113 to rotate relative to each other. The two arms 113 drive the two clamping plates 114 to rotate relative to each other. The clamping plate 114 releases the locking pad 106, allowing the moving mechanism 102 to rotate. After rotation, the connecting rod 104 is rotated in the opposite direction, and the two clamping plates 114 clamp the locking pad 106 in place, thus fixing the moving mechanism 102. The anti-slip pad 115 cooperates with the locking pad 106 to fix the support rod 105. This solves the problem that the connecting spring is prone to rusting due to water during use, which can easily lead to damage over time and affect its use.

[0026] The above-disclosed embodiments are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Those skilled in the art can understand that implementing all or part of the above-described embodiments and making equivalent changes in accordance with the claims of the present utility model are still within the scope of the utility model.

Claims

1. An airtightness testing device for processing grooved pipe fittings, comprising a water tank, a moving mechanism, and two locking discs, wherein the moving mechanism is rotatably connected to the water tank and located at one end of the water tank, and the two locking discs are slidably connected to the moving mechanism and symmetrically arranged at one end of the moving mechanism, characterized in that... It also includes a limiting structure. The limiting structure includes a connecting rod, a transmission assembly, a connecting frame, two rotating parts, two clamping arms, a support rod, and a locking pad. The connecting rod, the connecting frame, and the support rod are respectively disposed on the water storage tank. The transmission assembly is fixedly connected to the connecting rod and located at one end of the connecting rod. One end of each of the two rotating parts is rotatably connected to the transmission assembly and symmetrically disposed at one end of the transmission assembly. The other end of each of the two rotating parts is rotatably connected to the connecting frame and symmetrically disposed at one end of the connecting frame. Each clamping arm is fixedly connected to the corresponding rotating part and located at one end of the corresponding rotating part. The support rod is fixedly connected to the moving mechanism and located at one end of the moving mechanism. The locking pad is fixedly connected to the support rod and located on the outer surface of the support rod.

2. The airtightness testing device for grooved pipe fittings as described in claim 1, characterized in that, The transmission assembly includes a rotating shaft and a worm gear, the worm gear being fixedly connected to the rotating shaft and located at one end of the rotating shaft.

3. The airtightness testing device for grooved pipe fittings as described in claim 2, characterized in that, The connecting frame includes a cylinder and two frames, which are fixedly connected to the cylinder and symmetrically arranged at one end of the cylinder.

4. The airtightness testing device for grooved pipe fittings as described in claim 3, characterized in that, Each of the rotating components includes a worm gear and a support rod. One end of the support rod is fixedly connected to the worm gear and located at one end of the worm gear. The other end of the support rod is rotatably connected to the corresponding frame and located at one end of the frame. The worm gear cooperates with the worm.

5. The airtightness testing device for grooved pipe fittings as described in claim 4, characterized in that, Each of the clamping arms includes an arm body, a clamping plate, and an anti-slip pad. The arm body is fixedly connected to the support rod and located at one end of the support rod. The clamping plate is fixedly connected to the arm body and located at one end of the arm body. The anti-slip pad is fixedly connected to the clamping plate and located at one end of the clamping plate.