A device for testing the sealing performance of cast iron pipe fittings interfaces

Abstract

This utility model belongs to the field of cast iron pipe fitting testing technology, specifically a cast iron pipe fitting interface sealing test device, including a water pressure sealing test device body; a bearing plate is hinged to the side wall of the water pressure sealing test device body; a support arm is fixed to the side wall of the bearing plate; when the bearing plate is unfolded, the support arm contacts the water pressure sealing test device body to form a stable support, and then tools can be placed on the bearing plate. After the bearing plate is used, it can be reset and hooked onto the hanging ring of the device body through the hook at the end of the connecting rope. With the elastic deformation of the elastic plate, the bearing plate is fixed, providing additional tool placement space. The hinged structure facilitates folding and storage, the support arm enhances the bearing stability, the cooperation between the hook and the hanging ring can fix the bearing plate when it is stored, and the elastic plate can buffer vibration and reduce the hook falling off.

Description

Technical Field

[0001] This utility model belongs to the field of cast iron pipe fitting testing technology, specifically a device for testing the sealing performance of cast iron pipe fitting interfaces. Background Technology

[0002] In the fields of municipal water supply and drainage, industrial fluid transportation, and building pipe networks, cast iron pipe fittings have long been widely used as core transportation components due to their advantages of high strength, corrosion resistance, and long service life.

[0003] Before cast iron pipe fittings leave the factory and after on-site installation, the sealing performance of the joints must be tested using professional testing equipment. Among these tests, the water pressure test is the most widely used mainstream technology. It mainly uses a water pressure sealing test device to test cast iron pipe fittings before they leave the factory, in order to ensure their safe use.

[0004] However, in the existing technology, when using a water pressure sealing test device to test cast iron pipe fittings, it was found that because external tools are used to assist in the testing process, it is inconvenient to place a large number of tools, resulting in poor space utilization of the water pressure sealing test device, which will have a certain impact on the practicality of the water pressure sealing test device. Therefore, in order to address the above problems, a cast iron pipe fitting interface sealing test device is proposed. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art and solve at least one of the technical problems mentioned in the background art, this utility model proposes a device for testing the sealing performance of cast iron pipe fitting interfaces.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: The cast iron pipe fitting interface sealing test device of this utility model includes a water pressure sealing test device body; a bearing plate is hinged to the side wall of the water pressure sealing test device body; a support arm is fixed to the side wall of the bearing plate; a connecting rope is fixed to the side wall of the bearing plate; a hook is fixed to the end of the connecting rope; an elastic plate is fixed to the side wall of the hook; and a hanging ring is fixed to the side wall of the water pressure sealing test device body.

[0007] Preferably, the side wall of the bearing plate has an opening; a bidirectional screw is rotatably connected to the side wall of the opening; a pair of connecting blocks are threadedly connected to the side wall of the bidirectional screw; the connecting blocks are symmetrically arranged on both sides of the bidirectional screw and have the same structure; an extension plate is fixedly connected to the side wall of the connecting block; the extension plate and the opening are in a sliding fit.

[0008] Preferably, the bidirectional screw has multiple slots evenly distributed on its sidewall; a bracket is fixedly connected to the sidewall of the bearing plate; a spring is fixedly connected to the sidewall of the bracket; a plug is fixedly connected to the end of the spring; and the plug and the slot are in a sliding fit.

[0009] Preferably, a connecting rod is fixedly connected to the side wall of the insertion rod; the connecting rod passes through the wall of the bracket and is slidably connected to it; a pull plate is fixedly connected to the end of the connecting rod.

[0010] Preferably, a pair of elastic sheets are fixedly connected to the side wall of the pull plate; the elastic sheets are symmetrically arranged on both sides of the pull plate and have the same structure; a sponge strip is fixedly connected to the side wall of the elastic sheet; the elastic sheet is arranged in an arc shape.

[0011] Preferably, the sidewall of the bearing plate is uniformly fixed with multiple anti-slip pads.

[0012] The beneficial effects of this utility model are:

[0013] 1. This utility model provides a sealing performance testing device for cast iron pipe fittings. The device provides additional tool placement space through the set bearing plate and hooks. The hinged structure facilitates folding and storage. The support arm enhances the bearing stability. The cooperation between the hook and the hanging ring can fix the bearing plate when it is stored. The elastic plate can buffer vibration and reduce the hook falling off.

[0014] 2. This utility model provides a sealing performance testing device for cast iron pipe fittings. By setting an extension plate, the effective area of ​​the bearing plate can be changed by the extension and contraction of the extension plate to adapt to the placement requirements of tools of different sizes. The bidirectional screw transmission method ensures that the extension plates on both sides are adjusted synchronously, resulting in a stable structure and high adjustment accuracy. Attached Figure Description

[0015] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0016] Figure 1 This is a perspective view of the present invention;

[0017] Figure 2 This is a perspective view of the connecting rope in this utility model;

[0018] Figure 3 This is a perspective view of the connecting block in this utility model;

[0019] Figure 4 This is a perspective view of the elastic sheet in this utility model.

[0020] Legend:

[0021] 1. Main body of the water pressure sealing test device; 11. Bearing plate; 12. Support arm; 13. Connecting rope; 14. Hook; 15. Elastic plate; 16. Hanging ring; 2. Opening; 21. Double screw; 22. Connecting block; 23. Extension plate; 3. Slot; 31. Bracket; 32. Spring; 33. Insert rod; 4. Connecting rod; 41. Pull plate; 5. Elastic sheet; 51. Sponge strip; 6. Anti-slip pad. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0023] Specific implementation examples are given below.

[0024] Please see Figures 1-4 This utility model provides a device for testing the sealing performance of cast iron pipe fitting interfaces, including a water pressure sealing test device body 1; a bearing plate 11 is hinged to the side wall of the water pressure sealing test device body 1; a support arm 12 is fixed to the side wall of the bearing plate 11; a connecting rope 13 is fixed to the side wall of the bearing plate 11; a hook 14 is fixed to the end of the connecting rope 13; an elastic plate 15 is fixed to the side wall of the hook 14; and a hanging ring 16 is fixed to the side wall of the water pressure sealing test device body 1. In use, the water pressure sealing test device body 1 achieves an expanded space function through the bearing plate 11 hinged to the side wall. When the bearing plate 11 is unfolded, the support arm 12... 2. The bearing plate 11 is placed on top of the bearing plate 11 after contact with the main body 1 of the water pressure sealing test device to form a stable support. After the bearing plate 11 is used, it can be reset and hooked onto the hanging ring 16 of the main body of the device through the hook 14 at the end of the connecting rope 13. The bearing plate 11 is fixed by the elastic deformation of the elastic plate 15. During this process, additional space is provided for placing tools. The hinge structure is easy to fold and store. The support arm 12 enhances the load-bearing stability. The cooperation between the hook 14 and the hanging ring 16 can fix the bearing plate 11 when it is stored. The elastic plate 15 can buffer vibration and reduce the detachment of the hook 14.

[0025] Furthermore, such as Figures 1-4As shown, the support plate 11 has an opening 2 on its side wall; a bidirectional screw 21 is rotatably connected to the side wall of the opening 2; a pair of connecting blocks 22 are threadedly connected to the side wall of the bidirectional screw 21; the connecting blocks 22 are symmetrically arranged on both sides of the bidirectional screw 21 and have the same structure; an extension plate 23 is fixedly connected to the side wall of the connecting block 22; the extension plate 23 and the opening 2 are in sliding fit; in use, the bidirectional screw 21 is provided in the opening 2 on the side wall of the support plate 11. When the bidirectional screw 21 is rotated, the connecting blocks 22 threaded on both sides move symmetrically along the screw axis, driving the fixed extension plate 23 to slide in the opening 2, realizing the expansion and contraction adjustment of the bearing area. In this process, the effective area of ​​the support plate 11 is changed by the expansion and contraction of the extension plate 23 to adapt to the placement requirements of tools of different sizes. The transmission method of the bidirectional screw 21 ensures that the extension plates 23 on both sides are adjusted synchronously, with a stable structure and high adjustment accuracy.

[0026] Furthermore, such as Figures 1-4 As shown, the bidirectional screw 21 has multiple slots 3 evenly distributed on its sidewall; a bracket 31 is fixedly connected to the sidewall of the support plate 11; a spring 32 is fixedly connected to the sidewall of the bracket 31; a rod 33 is fixedly connected to the end of the spring 32; the rod 33 and the slot 3 are in sliding fit; in use, the multiple slots 3 on the sidewall of the bidirectional screw 21 cooperate with the rod 33 on the support plate 11, and the rod 33 is kept in the popped-out state by the spring 32 on the bracket 31. After being inserted into the corresponding slot 3, the rotation of the bidirectional screw 21 is restricted, thereby fixing the position of the extension plate 23. During this process, the rod 33 driven by the spring 32 automatically locks the bidirectional screw 21, reducing the accidental sliding of the extension plate 23 during use. The multiple slots 3 can achieve multiple fixation positions, improving adjustment flexibility.

[0027] Furthermore, such as Figures 1-4 As shown, a connecting rod 4 is fixedly connected to the side wall of the insertion rod 33; the connecting rod 4 passes through the wall of the bracket 31 and is slidably connected to it; a pull plate 41 is fixedly connected to the end of the connecting rod 4; in use, the connecting rod 4 on the side wall of the insertion rod 33 passes through the bracket 31 and is connected to the pull plate 41. When the pull plate 41 is pulled, the connecting rod 4 drives the insertion rod 33 to compress the spring 32 and disengage from the slot 3, releasing the lock on the bidirectional screw 21. During this process, the pull plate 41 provides a convenient unlocking operation point, and the rigid connection of the connecting rod 4 ensures the effective transmission of force, making the locking or unlocking operation effortless and reliable, and improving the ease of use of the insertion rod 33.

[0028] Furthermore, such as Figures 1-4As shown, a pair of elastic sheets 5 are fixedly connected to the side wall of the pull plate 41; the elastic sheets 5 are symmetrically arranged on both sides of the pull plate 41 and have the same structure; a sponge strip 51 is fixedly connected to the side wall of the elastic sheet 5; the elastic sheet 5 is arc-shaped; in use, when a finger is placed between the elastic sheet 5 and the pull plate 41, the elastic sheet 5 is pushed open, and at the same time the elastic sheet 5 will apply a certain reaction force to press and fix the finger. The sponge strip 51 reduces discomfort during operation through elastic cushioning and soft material. In this process, it plays a fixing role when the finger hooks onto the pull plate 41 and pulls it, increasing the firmness between the finger and the pull plate 41. The sponge strip 51 can play a protective role on the surface of the finger and improve the anti-pressure redness of the finger.

[0029] Furthermore, such as Figures 1-4 As shown, multiple anti-slip pads 6 are uniformly fixed to the side wall of the support plate 11. During use, the multiple anti-slip pads 6 fixed to the side wall of the support plate 11 directly contact the placed tool. By increasing the friction of the contact surface, the tool slides on the support plate 11. In this process, the anti-slip pads 6 effectively prevent the tool from shifting due to vibration or slight tilt, improve the stability of the tool placement, and reduce the risk of the tool falling during the experiment.

[0030] Working Principle: During use, the main body 1 of the water pressure sealing test device expands its space through the bearing plate 11 hinged to its side wall. When the bearing plate 11 is unfolded, the support arm 12 contacts the main body 1 of the water pressure sealing test device to form a stable support. Tools can then be placed on the bearing plate 11. After use, the bearing plate 11 can be reset and hooked onto the hanging ring 16 of the device body through the hook 14 at the end of the connecting rope 13. The elastic deformation of the elastic plate 15 helps to fix the bearing plate 11. During use, a bidirectional screw 21 is provided in the opening 2 on the side wall of the bearing plate 11. When the bidirectional screw 21 is rotated, the connecting blocks 22 connected by threads on both sides move symmetrically along the screw axis, causing the fixed extension plate 23 to slide within the opening 2, thereby adjusting the bearing area. During use, multiple slots 3 on the side wall of the bidirectional screw 21 connect with the bearing plate 21. The insertion rod 33 on plate 11 is engaged with the spring 32 on bracket 31 to keep it in the pop-out state. After being inserted into the corresponding slot 3, the insertion rod 33 restricts the rotation of the bidirectional screw 21, thereby fixing the position of the extension plate 23. In use, the connecting rod 4 on the side wall of the insertion rod 33 passes through bracket 31 and connects to pull plate 41. When the pull plate 41 is pulled, the connecting rod 4 drives the insertion rod 33 to compress the spring 32 and disengage from the slot 3, releasing the lock on the bidirectional screw 21. In use, the finger is placed between the elastic piece 5 and the pull plate 41 to push the elastic piece 5 open. At the same time, the elastic piece 5 will apply a certain reaction force to press and fix the finger. The sponge strip 51 provides elastic cushioning and soft material to reduce discomfort during operation. In use, the multiple anti-slip pads 6 fixed to the side wall of the support plate 11 directly contact the placed tool. By increasing the friction of the contact surface, the tool's sliding on the support plate 11 is reduced.

[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A device for detecting the sealing property of a cast iron pipe joint interface, comprising a water pressure sealing experiment device body (1); characterized in that: The main body (1) of the water pressure sealing test device has a bearing plate (11) hinged to its side wall; a support arm (12) is fixed to the side wall of the bearing plate (11); a connecting rope (13) is fixed to the side wall of the bearing plate (11); a hook (14) is fixed to the end of the connecting rope (13); an elastic plate (15) is fixed to the side wall of the hook (14); and a hanging ring (16) is fixed to the side wall of the main body (1) of the water pressure sealing test device.

2. A device for testing the tightness of the joint of cast iron pipes according to claim 1, characterized in that: The support plate (11) has an opening (2) on its side wall; a bidirectional screw (21) is rotatably connected to the side wall of the opening (2); a pair of connecting blocks (22) are threadedly connected to the side wall of the bidirectional screw (21); the connecting blocks (22) are symmetrically arranged on both sides of the bidirectional screw (21) and have the same structure; an extension plate (23) is fixedly connected to the side wall of the connecting block (22); the extension plate (23) and the opening (2) are in sliding fit.

3. The casting iron pipe fitting interface sealing test device as described in claim 2, characterized in that: The bidirectional screw (21) has multiple slots (3) evenly distributed on its sidewall; the support plate (11) has a bracket (31) fixedly connected to its sidewall; the support plate (31) has a spring (32) fixedly connected to its sidewall; the spring (32) has a plug (33) fixedly connected to its end; the plug (33) and the slot (3) are in sliding fit.

4. A device for testing the tightness of the joint of cast iron pipes according to claim 3, characterized in that: The insert (33) has a connecting rod (4) fixedly connected to its side wall; the connecting rod (4) passes through the wall of the bracket (31) and is slidably connected to it; the end of the connecting rod (4) has a pull plate (41) fixedly connected to it.

5. A device for testing the tightness of the joint of cast iron pipes according to claim 4, characterized in that: A pair of elastic sheets (5) are fixed to the side wall of the pull plate (41); the elastic sheets (5) are symmetrically arranged on both sides of the pull plate (41) and have the same structure; a sponge strip (51) is fixed to the side wall of the elastic sheet (5); the elastic sheet (5) is arranged in an arc shape.

6. A device for testing the tightness of the joint of cast iron pipes according to claim 1, characterized in that: Multiple anti-slip pads (6) are uniformly fixed to the side wall of the bearing plate (11).

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