CN217033346U

CN217033346U - Internal pressure resistance detection equipment

Info

Publication number: CN217033346U
Application number: CN202220813672.4U
Authority: CN
Inventors: 王杰军; 徐亦炯; 刘良斌; 彭祥瑶; 李倩
Original assignee: Ad Pipeline Shanghai Co ltd
Current assignee: Ad Pipeline Shanghai Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-07-22
Anticipated expiration: 2032-03-31

Abstract

The utility model provides internal pressure resistance detection equipment, and belongs to the technical field of detection equipment. The problem that the assembly efficiency of the existing internal pressure resistance detection equipment is poor while the sealing performance of the existing internal pressure resistance detection equipment is guaranteed is solved. This detection equipment presses in nai, including two vertical just can with the bottom plate of the both ends location of pipe fitting respectively, one of them bottom plate has the import that can supply test liquid to flow into the pipe fitting inner chamber, can supply the export that test liquid flows out the pipe fitting inner chamber and can provide the detection mouth in pipe fitting inner chamber pressure detection space, all have the spacing ring that can imbed in the pipe fitting and have main aspects and tip on the bottom plate, the diameter of spacing ring main aspects is greater than the diameter of tip, this detection equipment presses in nai includes that a plurality of covers establish the sealing washer on the spacing ring outer wall, a plurality of sealing washers can extrude along the outer wall of spacing ring axial distribution and sealing washer and lean on the pipe fitting inner wall. This detection equipment is pressed to nai interior pressure makes the assembly efficiency of pipe fitting higher while also guaranteed the leakproofness between pipe fitting and the bottom plate.

Description

Internal pressure resistance detection equipment

Technical Field

The utility model belongs to the technical field of detection equipment, and relates to internal pressure resistance detection equipment.

Background

Plastics tubular product is the chemical building materials that high-tech complex formed, and people need test the compression resistance of plastics tubular product in the use, because some plastics tubular product are used in the floorings of higher floor, consequently need bear very big water pressure, so whether need test plastics tubular product have fine compression resistance. In response to the above-described requirements, various internal pressure-resistant detection devices have been developed.

For example, the chinese patent application No. (No. CN 208366712U) discloses a plastic pipe pressure-resistant test fixture, which comprises a base, a fixture body and a flange, wherein the flange and the base clamp and fix the fixture body between the two, the fixture body comprises a first sealing ring, a first pressing ring, a second sealing ring and a second pressing ring, the first sealing ring is located between the test piece and the end surface of the base, the first pressing ring is pressed against the first sealing ring, the end of the contact surface between the first pressing ring and the test piece is provided with a first groove, the second sealing ring is arranged in the first groove, the second pressing ring is pressed against the second sealing ring, the first pressing ring and the second pressing ring are fixedly connected, the base is provided with a second groove, the first sealing ring is arranged in the second groove, and is located between the left side cell wall of second recess and the test piece outer wall, is equipped with the third sealing washer in the second recess, and the third sealing washer is located between the right side cell wall of the inner wall of test piece and second recess.

Although above-mentioned structure is provided with first sealing washer, second sealing washer and third sealing washer promote the leakproofness of being connected between test piece and the base, but when the installation need insert between first sealing washer and the third sealing washer with the tip of test piece, and first sealing washer sets up outside the test piece, the third sealing washer sets up in the test piece, inevitable meeting produced the friction with first sealing washer and third sealing washer when the tip of test piece inserts, and because the holistic elasticity of first sealing washer and third sealing washer is great, consequently, when pegging graft, deformation appears easily in first sealing washer and third sealing washer, thereby make the grafting difficulty of test piece, can't realize connecting the test piece on the base fast, thereby the assembly efficiency of plastics tubular product withstand voltage test anchor clamps has been influenced.

Disclosure of Invention

The utility model aims to provide an internal pressure resistant detection device aiming at the problems in the prior art, and the technical problems to be solved by the utility model are as follows: how to solve the relatively poor problem of the assembly efficiency of resistant interior pressure check out test set when guaranteeing current resistant interior pressure check out test set leakproofness.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides an interior pressure-resistant check out test set, includes that two are vertical just right and respectively can with the bottom plate of the both ends location of pipe fitting, have on one of them bottom plate and supply test liquid to flow into the import of pipe fitting inner chamber, can supply the export of test liquid outflow pipe fitting inner chamber and can provide the detection mouth in pipe fitting inner chamber pressure detection space, a serial communication port, all have on the bottom plate and imbed the spacing ring that just has main aspects and tip in the pipe fitting, the diameter of spacing ring main aspects is greater than the diameter of tip, and this interior pressure-resistant check out test set includes that a plurality of covers establish the sealing washer on the spacing ring outer wall, and a plurality of sealing washers can extrude along the outer wall of spacing ring axial distribution and sealing washer and support on the pipe fitting inner wall.

The working principle is as follows: the pipe fitting is placed between the two bottom plates, the limiting ring is placed in the pipe fitting to realize the primary positioning of the pipe fitting, test liquid flows into the inner cavity of the pipe fitting from an inlet, when the inner cavity of the pipe fitting cannot be continuously filled with the test liquid, the internal pressure which can be borne by the pipe fitting can be detected through the detection port, the detection liquid in the pipe fitting can be directly discharged from an outlet after the detection, at the moment, because the outer wall of the limiting ring is sleeved with a plurality of sealing rings which can be abutted against the inner wall of the pipe fitting, and the limiting ring is provided with a large end and a small end, most of the sealing rings which are close to the small end are positioned outside the limiting ring, most of the sealing rings which are close to the large end are positioned in the limiting ring, and the sealing rings are made of elastic materials, the sealing rings which are close to the small end of the limiting ring are easy to deform, so that the pipe fitting can be sleeved on the limiting ring more easily, and the sealing rings can also have a certain sealing effect, and the sealing washer that is close to the spacing ring main aspects is located the spacing intra-annular, and can closely support with the inner wall of pipe fitting and lean on to can play fine sealed effect, consequently the cooperation design of a plurality of sealing washers and spacing ring main aspects and tip makes the assembly efficiency of pipe fitting higher while also guaranteed the leakproofness between pipe fitting and the bottom plate, has avoided test liquid to flow from the gap between pipe fitting and the bottom plate.

In the above internal pressure resistance detection device, the outer wall surface of the limit ring is an arc surface, and the thickness of the limit ring is gradually reduced from the large end to the small end.

The setting of cambered surface, make a plurality of sealing washers can strengthen the sealed effect between spacing ring and the pipe fitting in proper order, and strengthen the deformation effect of sealing washer outside the spacing ring in proper order, thereby can make the pipe fitting can strengthen the leakproofness between pipe fitting and the spacing ring gradually when the location, and also increased the resistance that the pipe fitting cover was established when strengthening the leakproofness, and the initial resistance of pipe fitting is less, but the pipe fitting is close to the sealing washer of tip when the cover is established and offsets with the inner wall of pipe fitting all the time and lean on, consequently can furthest's the degree of difficulty that reduces the pipe fitting location, and also can guarantee the leakproofness between pipe fitting and the spacing ring.

In the above internal pressure resistance detection apparatus, a plurality of guide rods are connected between the two base plates, and ends of the guide rods are clamped to the respective base plates by a pair of nuts.

The setting of guide bar for two bottom plates can be steady vertically just to setting up, and press from both sides tightly on the bottom plate through the nut between guide bar and the bottom plate, and then promoted the stability of resistant interior pressure check out test set.

In foretell interior pressure resistant check out test set, set up on the outer wall of spacing ring and set up with the sealing washer one-to-one and be annular seal groove, in the corresponding seal groove of sealing washer part embedding.

The setting of seal groove for more stable of sealing washer setting, and carry on spacingly through the seal groove, the sealing washer can be partly stable be located spacing intra-annular and this part is difficult for taking place deformation, has promoted the stability of resistant interior pressure check out test set.

In the internal pressure resistance detection equipment, the limiting ring is fixedly connected with the bottom plate through a fastener.

The setting of this structure for the connection between bottom plate and the spacing ring is more firm, further promotes the stability of resistant interior pressure check out test set.

The bottom plate and the spacing ring can also be integrally formed.

In the above internal pressure resistance detection device, one of the bottom plates is connected with an inlet pipe and an outlet pipe, the inlet pipe is arranged above the outlet pipe, the inlet 11 is an outer port of the inlet pipe and is arranged along the axial direction, and the outlet is arranged on the outlet pipe.

The setting of import pipe and outlet pipe for the stable entering and the discharge pipe fitting of test liquid ability more fast, the import pipe is along horizontal setting, makes the setting of import pipe not influence the leakproofness between pipe fitting and the bottom plate, and sets up the top at the outlet pipe with the import pipe, makes the export of outlet pipe make things convenient for test liquid to flow out more, promotes overall structure's stability.

In the above-described internal pressure resistance detection apparatus, the outlet pipe has the above-described detection port provided in the axial direction, and the outlet is provided in the radial direction.

The setting of this structure for need not additionally to set up other parts and just can realize the detection to the pipe fitting internal pressure, and detect the mouth and can be connected with the equipment that external world detected the pipe fitting internal pressure, and detect the pipe fitting internal pressure.

Compared with the prior art, the utility model has the advantages that: because the outer wall of the limiting ring is sleeved with a plurality of sealing rings capable of abutting against the inner wall of the pipe fitting, the limiting ring is provided with a big end and a small end, most of the sealing rings close to the small end are positioned on the outer side of the limiting ring, most of the sealing rings close to the big end are positioned in the limiting ring, and the sealing rings are made of elastic materials, so that the sealing rings close to the small end of the limiting ring are easy to deform, the pipe fitting can be easily sleeved on the limiting ring, and the sealing rings can also play a certain sealing effect, most of the sealing rings close to the big end of the limiting ring are positioned in the limiting ring, and can tightly abut against the inner wall of the pipe fitting, so that a good sealing effect can be played, the plurality of sealing rings, the big end of the limiting ring and the small end are matched, the assembly efficiency of the pipe fitting is higher, and meanwhile, the sealing performance between the pipe fitting and the bottom plate is ensured.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a cross-sectional view a-a of fig. 2.

Fig. 4 is a partially enlarged view of a portion a in fig. 3.

FIG. 5 is a schematic view of the stop collar of the present invention.

In the figure, 1, a bottom plate; 11. an inlet; 12. an outlet; 13. a detection port; 14. an inlet pipe; 15. an outlet pipe; 2. a pipe fitting; 3. a limiting ring; 31. a sealing groove; 4. a seal ring; 5. a guide rod; 6. a nut; 7. a fastener.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

As shown in figure 1, the internal pressure resistance detection equipment comprises two bottom plates 1 which are vertically opposite and can be positioned at two ends of a pipe fitting 2 respectively, wherein one bottom plate 1 is provided with an inlet 11 through which test liquid can flow into an inner cavity of the pipe fitting 2, an outlet 12 through which the test liquid can flow out of the inner cavity of the pipe fitting 2, and a detection port 13 which can provide a pressure detection space for the inner cavity of the pipe fitting 2.

Specifically, as shown in fig. 1-5, the bottom plate 1 is provided with a limiting ring 3 which can be embedded into the pipe fitting 2 and has a large end and a small end, the diameter of the large end of the limiting ring 3 is larger than that of the small end, the internal pressure resistance detection device comprises a plurality of sealing rings 4 which are sleeved on the outer wall of the limiting ring 3, the sealing rings 4 are axially distributed along the limiting ring 3, and the outer wall of each sealing ring 4 can be extruded to abut against the inner wall of the pipe fitting 2.

The working principle is as follows: firstly, the pipe fitting 2 is placed between the two bottom plates 1, the limiting ring 3 is placed in the pipe fitting 2, the preliminary positioning of the pipe fitting 2 is realized, the test liquid flows into the inner cavity of the pipe fitting 2 from the inlet 11, when the inner cavity of the pipe fitting 2 cannot be continuously filled with the test liquid, the internal pressure which can be born by the pipe fitting 2 can be detected through the detection port 13, and the detection liquid in the pipe fitting 2 can be directly discharged from the outlet 12 after detection, at the moment, because the outer wall of the limiting ring 3 is sleeved with a plurality of sealing rings 4 which can be abutted against the inner wall of the pipe fitting 2, and the limiting ring 3 is provided with a large end and a small end, most of the sealing ring 4 which is close to the small end is positioned at the outer side of the limiting ring 3, most of the sealing ring 4 which is close to the large end is positioned in the limiting ring 3, the sealing ring 4 is made of elastic material, therefore, the sealing ring 4 which is close to the small end of the limiting ring 3 is easy to deform, and the pipe fitting 2 can be sleeved on the limiting ring 3 more easily, and this sealing washer 4 also can play certain sealed effect, and the sealing washer 4 most that is close to 3 main aspects of spacing ring is located spacing ring 3, and can closely support with the inner wall of pipe fitting 2 and lean on, thereby can play fine sealed effect, consequently, the cooperation design of a plurality of

sealing washers

4 and 3 main aspects of spacing ring and tip, make the assembly efficiency of pipe fitting 2 higher while also guaranteed the leakproofness between pipe fitting 2 and the bottom plate 1, test liquid has been avoided flowing from the gap between pipe fitting 2 and the bottom plate 1.

As shown in fig. 4 and 5, the outer wall surface of the stop collar 3 is an arc surface, the thickness of the stop collar 3 is gradually reduced from the large end to the small end, and the stop collar 3 is fixedly connected with the bottom plate 1 through a fastener 7.

As shown in fig. 1-3, a plurality of guide rods 5 are connected between two bottom plates 1, the end portions of the guide rods 5 are clamped on the corresponding bottom plates 1 through a pair of nuts 6, and two ends of each guide rod 5 are provided with one section of external thread, so that the connection position between each guide rod 5 and the base can be finely adjusted, and the pipe fittings 2 with different lengths can be subjected to internal pressure resistance detection.

As shown in fig. 4 and 5, an annular sealing groove 31 is formed in the outer wall of the limiting ring 3, the sealing ring 4 is arranged in a one-to-one correspondence manner, the sealing ring 4 is partially embedded into the corresponding sealing groove 31, the bottom of the sealing groove 31 is a circular ring surface, and the diameters of the circular ring surfaces are the same.

As shown in fig. 1 to 3, an inlet pipe 14 and an outlet pipe 15 are connected to one of the base plates 1, the inlet pipe 14 is disposed above the outlet pipe 15, the inlet 11 is an outer port of the inlet pipe 14 and is disposed in an axial direction, the detection port 13 is an outer port of the outlet pipe 15 and is disposed in an axial direction, and the outlet is opened on the outlet pipe 15 and is disposed in a radial direction.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. An internal pressure resistance detection device comprises two bottom plates (1) which are vertically opposite and can be respectively positioned with two ends of a pipe fitting (2), one of the bottom plates (1) is provided with an inlet (11) for test liquid to flow into the inner cavity of the pipe fitting (2), an outlet (12) for test liquid to flow out of the inner cavity of the pipe fitting (2) and a detection port (13) for providing a pressure detection space of the inner cavity of the pipe fitting (2), it is characterized in that the bottom plates (1) are respectively provided with a limiting ring (3) which can be embedded into the pipe fitting (2) and is provided with a big end and a small end, the diameter of spacing ring (3) main aspects is greater than the diameter of tip, and this resistant interior pressure check out test set includes that a plurality of covers establish sealing washer (4) on spacing ring (3) outer wall, and a plurality of sealing washers (4) can extrude along the outer wall of spacing ring (3) axial distribution and sealing washer (4) and lean on pipe fitting (2) inner wall.

2. The internal pressure resistance detection device according to claim 1, wherein the outer wall surface of the retainer ring (3) is an arc surface, and the thickness of the retainer ring (3) is gradually reduced from the large end to the small end.

3. Internal pressure resistance detection device according to claim 1 or 2, characterized in that a plurality of guide rods (5) are connected between two base plates (1), the ends of said guide rods (5) being clamped to the respective base plate (1) by means of a pair of nuts (6).

4. The internal pressure resistance detection device according to claim 1 or 2, wherein the outer wall of the limit ring (3) is provided with an annular sealing groove (31) which is arranged in one-to-one correspondence to the sealing ring (4), and the sealing ring (4) is partially embedded into the corresponding sealing groove (31).

5. The internal pressure resistance detection device according to claim 1 or 2, wherein the limiting ring (3) is fixedly connected with the bottom plate (1) through a fastener (7).

6. Internal pressure resistance detection device according to claim 1 or 2, characterized in that an inlet pipe (14) and an outlet pipe (15) are connected to one of the base plates (1), the inlet pipe (14) is arranged above the outlet pipe (15), the inlet (11) is an external port of the inlet pipe (14) and is arranged axially, and the outlet (12) opens on the outlet pipe (15).

7. The apparatus according to claim 6, characterized in that the outlet duct (15) has the above-mentioned detection port (13) arranged in the axial direction, and the outlet port (12) is arranged in the radial direction.