Airtight test plugging device

Abstract

The utility model relates to the technical field of plugging devices, and provides a plugging device for an airtight test, which is used for sealing a pipe orifice and comprises a fixing disc, a fixing column, a positioning seat and a sealing ring, the fixing column is fixedly arranged on the fixing disc, the positioning seat is fixedly arranged at one end of the fixing column far away from the fixing disc, and a positioning mechanism is arranged on the positioning seat. The positioning seat is arranged on the fixing disc and used for positioning between the positioning seat and the pipe orifice, an annular first cavity is formed in the fixing disc, an annular sealing opening is formed in the side wall of the first cavity, a sealing ring is arranged in the sealing opening in a sliding mode, and a position adjusting mechanism is arranged between the sealing ring and the fixing disc and used for adjusting the position of the sealing ring. The problem that in the prior art, the installation efficiency between a plugging device and a pipe opening is low is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to plugging device technical field, concretely relates to airtight test plugging device. BACKGROUND

[0002] Airtight test plugging device is used for sealing the opening or connecting part of the tested object in airtight test to ensure that the test can be accurately carried out.

[0003] The airtight test plugging device in the prior art generally utilizes the internal threaded hole of the product itself, inserts a quick connector into the threaded hole to be tested, and connects by pressing the handle, and releases the handle to realize sealing. It can flexibly cope with airtight detection of products with internal threaded structure, such as fuel pumps, is simple to operate, can be reused, is not affected by the detection environment, and different hole diameters can be customized with different size connectors.

[0004] However, not all pipe openings of the tested object are provided with threaded holes. For the pipe openings without threaded openings, it is necessary to first provide internal threads on the inner wall of the pipe opening before installing the plugging device, which reduces the installation efficiency of the plugging device and affects the experimental efficiency. SUMMARY

[0005] The utility model provides a kind of airtight test plugging device, solve the problem of low installation efficiency between plugging device and pipe opening in prior art.

[0006] The technical scheme of the utility model is as follows: a kind of airtight test plugging device, for sealing pipe opening, including fixed disc, further including fixed column, positioning seat and sealing ring, the fixed column is fixedly arranged on the fixed disc, the fixed column is fixedly arranged with the positioning seat at the end away from the fixed disc, the positioning seat is provided with positioning mechanism, for positioning between the positioning seat and the pipe opening, the first cavity of annular is built-in in the fixed disc, the side wall of the first cavity is provided with annular sealing port, the sealing ring is slidably arranged in the sealing port, position adjusting mechanism is arranged between the sealing ring and the fixed disc, for adjusting the position of the sealing ring.

[0007] Preferably, the inner wall and the outer wall of the sealing port are fixedly provided with a first sealing ring, the first sealing ring is in contact with the sealing ring, and a second sealing ring is fixedly arranged on the side wall of the side of the sealing ring away from the fixed disc.

[0008] Further, the positioning mechanism comprises a positioning block and a positioning plate, the positioning seat is internally provided with a second cavity, a plurality of positioning grooves are formed in the side wall of the positioning seat, the positioning grooves are communicated with the second cavity, the positioning block is arranged in the positioning groove, the anti-skid pad is fixedly arranged on the positioning block, and the positioning plate is hingedly arranged between the positioning block and the groove bottom of the positioning groove.

[0009] Further, the angle adjusting mechanism comprises an adjusting disc, an adjusting rod, a first threaded rod and a hand wheel, the adjusting disc is slidably arranged in the second cavity, the adjusting rod is hingedly arranged between the side wall of the adjusting disc and the adjacent positioning plate, the first threaded rod is rotatably arranged in the second cavity, the first threaded rod penetrates through the adjusting disc through thread cooperation, and the hand wheel is rotatably arranged on the fixed disc and is fixedly connected with the first threaded rod.

[0010] Further, the position adjusting mechanism comprises an adjusting ring and a second threaded rod, the adjusting ring is fixedly arranged on the inner wall of the sealing ring, the inner wall of the adjusting ring is slidably connected with the side wall of the first cavity, a plurality of second threaded rods are rotatably arranged in the first cavity, the second threaded rods penetrate through the adjusting ring through thread cooperation, and a driving mechanism is arranged between the fixed disc and the second threaded rods, so that the plurality of second threaded rods are driven to rotate synchronously.

[0011] On the basis of the above scheme, the driving mechanism comprises a first gear, a driving ring and a first tooth ring, a driving groove is formed in the side wall of the fixed disc, the first gear is rotatably arranged in the driving groove on one side of the second threaded rod, the first gear is fixedly connected with the second threaded rod, the driving ring is rotatably arranged in the driving groove, the driving ring protrudes out of the driving groove, the first tooth ring is fixedly arranged on the inner wall of the driving ring, and the first tooth ring is engaged with the first gear.

[0012] The working principle and beneficial effects of the utility model are as follows:

[0013] 1. In the utility model, after the positioning seat is inserted into the pipe opening, the first threaded rod is driven to rotate by rotating the hand wheel, the adjusting disc is driven to move by the thread cooperation between the first threaded rod and the adjusting disc, the angle of the positioning plate is adjusted by the adjusting rod during the movement of the adjusting disc, the positioning block is pressed on the inner wall of the pipe opening by adjusting the angle of the positioning plate, and the fixation between the positioning seat and the pipe opening is realized by the friction between the positioning block and the inner wall of the pipe opening.

[0014] 2. The utility model discloses, through the setting of position adjusting mechanism, through the rotation of the drive ring can drive the rotation of first tooth ring, simultaneously through the meshing of first tooth ring and first gear drive multiple second threaded rods rotate, simultaneously through the screw thread cooperation of second threaded rod and adjusting ring can drive adjusting ring and sealing ring move to, to facilitate the drive sealing ring pressure hold on the object to be measured, to facilitate the sealing of pipe mouth,

[0015] 3. The utility model discloses, through the setting of first sealing washer and second sealing washer, it is convenient for through first sealing washer realizes the sealing between sealing mouth and sealing ring, simultaneously can through second sealing washer realizes the sealing between sealing ring and the lateral wall of object to be measured, to facilitate further the sealing effect of pipe mouth is improved,

[0016] 4. The utility model discloses, through the setting of fixed column, positioning seat and sealing ring, it is convenient for through the rotation of hand wheel drive positioning block moves, simultaneously through the friction force between positioning block and pipe mouth inner wall realizes the installation fixed of positioning seat and fixed disc, to facilitate the sealing of pipe mouth through the contact between sealing ring and object to be measured, to solve the installation efficiency of lower problem between the obturation device and pipe mouth in the prior art. ACCURACY OF DRAWINGS

[0017] The utility model will be explained in further detail below in combination with the drawings and specific embodiment.

[0018] Figure 1 It is structure schematic drawing for the utility model;

[0019] Figure 2 It is another visual angle structure schematic drawing for the utility model;

[0020] Figure 3 It is sectional structure schematic drawing for the utility model;

[0021] Figure 4 It is position adjusting mechanism structure schematic drawing for the utility model.

[0022] In the drawing: 1, fixed disc;2, fixed column;3, positioning seat;4, sealing ring;5, first cavity;6, second sealing washer;7, positioning block;8, positioning plate;9, second cavity;10, positioning groove;11, adjusting disc;12, adjusting rod;13, first threaded rod;14, hand wheel;15, adjusting ring;16, second threaded rod;17, first gear;18, drive ring;19, first tooth ring. SPECIFIC EMBODIMENT

[0023] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.

[0024] like Figures 1-4 As shown in the figure, this embodiment proposes an airtightness test sealing device for sealing the pipe opening. It includes a fixed plate 1, a fixed column 2, a positioning seat 3, and a sealing ring 4. The fixed column 2 is fixedly installed on the fixed plate 1. The positioning seat 3 is fixedly installed at the end of the fixed column 2 away from the fixed plate 1. The positioning seat 3 is provided with a positioning mechanism for positioning the positioning seat 3 and the pipe opening. The fixed plate 1 has an annular first cavity 5 inside. The side wall of the first cavity 5 has an annular sealing opening. The sealing ring 4 is slidably installed in the sealing opening. A position adjustment mechanism is provided between the sealing ring 4 and the fixed plate 1 for adjusting the position of the sealing ring 4.

[0025] Reference Figure 1 and Figure 4 A first sealing ring is fixedly installed on the inner and outer walls of the sealing port. The first sealing ring is in contact with the sealing ring 4. A second sealing ring 6 is fixedly installed on the side wall of the sealing ring 4 away from the fixed plate 1. This facilitates the sealing between the sealing port and the sealing ring 4 through the first sealing ring. At the same time, the sealing between the sealing ring 4 and the side wall of the object to be tested can be achieved through the second sealing ring 6, thereby further improving the sealing effect of the pipe opening.

[0026] Reference Figures 1-3The positioning mechanism comprises positioning blocks 7 and positioning plates 8, the positioning seat 3 is internally provided with a second cavity 9, a plurality of positioning grooves 10 are formed in the side wall of the positioning seat 3, the positioning grooves 10 are communicated with the second cavity 9, the positioning blocks 7 are arranged in the positioning grooves 10, the anti-skid pads are fixedly arranged on the positioning blocks 7, two positioning plates 8 are hingedly arranged between the positioning blocks 7 and the groove bottoms of the positioning grooves 10, the second cavity 9 is provided with an angle adjusting mechanism for adjusting the angle of the positioning plates 8, the angle adjusting mechanism comprises an adjusting disc 11, an adjusting rod 12, a first threaded rod 13 and a hand wheel 14, the adjusting disc 11 is slidably arranged in the second cavity 9, the adjusting rod 12 is hingedly arranged between the side wall of the adjusting disc 11 and the adjacent positioning plate 8, the first threaded rod 13 is rotatably arranged in the second cavity 9 and penetrates the adjusting disc 11 through thread cooperation, the hand wheel 14 is rotatably arranged on the fixed disc 1 and is fixedly connected with the first threaded rod 13, specifically, after the positioning seat 3 is inserted into the pipe opening, the first threaded rod 13 is driven to rotate through the rotation of the hand wheel 14, the adjusting disc 11 is driven to move through the thread cooperation between the first threaded rod 13 and the adjusting disc 11, the angle of the positioning plate 8 is adjusted through the adjusting rod 12 during the movement of the adjusting disc 11, the positioning block 7 is pressed and held on the inner wall of the pipe opening through the angle adjustment of the positioning plate 8, so that the fixation between the positioning seat 3 and the pipe opening is realized through the friction force between the positioning block 7 and the inner wall of the pipe opening.

[0027] With reference to Figures 1-4 The position adjusting mechanism comprises an adjusting ring 15 and a second threaded rod 16, the inner wall of the sealing ring 4 is fixedly provided with the adjusting ring 15, the inner wall of the adjusting ring 15 is slidably connected with the side wall of the first cavity 5, a plurality of second threaded rods 16 are rotatably arranged in the first cavity 5 and penetrate the adjusting ring 15 through thread cooperation, a driving mechanism is arranged between the fixed disc 1 and the second threaded rods 16 for driving the plurality of second threaded rods 16 to synchronously rotate, the driving mechanism comprises a first gear 17, a driving ring 18 and a first tooth ring 19, a driving groove is formed in the side wall of the fixed disc 1, the first gear 17 is rotatably arranged in the driving groove at one side of the second threaded rod 16, the first gear 17 is fixedly connected with the second threaded rod 16, the driving ring 18 is rotatably arranged in the driving groove and extends out of the driving groove, the first tooth ring 19 is fixedly arranged on the inner wall of the driving ring 18 and is engaged with the first gear 17, specifically, the first tooth ring 19 is driven to rotate through the rotation of the driving ring 18, the plurality of second threaded rods 16 are driven to rotate through the engagement between the first tooth ring 19 and the first gear 17, the adjusting ring 15 and the sealing ring 4 are driven to move through the thread cooperation between the second threaded rods 16 and the adjusting ring 15, so that the sealing ring 4 is pressed and held on the object to be measured, thereby sealing the pipe opening.

[0028] The working principle is that, in use, the operator extends the positioning seat 3 into the pipe opening, then rotates the hand wheel 14, the rotation of the hand wheel 14 drives the first threaded rod 13 to rotate, and the first threaded rod 13 and the adjusting disc 11 are threadedly connected, so that the adjusting disc 11 is driven to move, the adjusting lever 12 adjusts the angle of the positioning plate 8 during the movement of the adjusting disc 11, and the angle of the positioning plate 8 drives the positioning block 7 to be pressed on the inner wall of the pipe opening, so that the positioning block 7 and the inner wall of the pipe opening are fixed through the friction therebetween, then the operator rotates the driving ring 18, the rotation of the driving ring 18 drives the first tooth ring 19 to rotate, the first tooth ring 19 and the first gear 17 are engaged, so that the plurality of second threaded rods 16 are driven to rotate, the second threaded rods 16 and the adjusting ring 15 are threadedly connected, so that the adjusting ring 15 and the sealing ring 4 are driven to move, so that the sealing ring 4 is pressed on the side wall of the object to be measured, so that the pipe opening is sealed, meanwhile, the first sealing ring can seal the sealing opening and the sealing ring 4, and the second sealing ring 6 can seal the sealing ring 4 and the side wall of the object to be measured, so that the sealing effect of the pipe opening is further improved.

[0029] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A gas tightness test sealing device for sealing pipe openings, comprising a fixing plate (1), characterized in that, It also includes a fixed column (2), a positioning seat (3) and a sealing ring (4). The fixed column (2) is fixedly installed on the fixed plate (1). The positioning seat (3) is fixedly installed at the end of the fixed column (2) away from the fixed plate (1). The positioning seat (3) is provided with a positioning mechanism for positioning the positioning seat (3) and the pipe opening. The fixed plate (1) has an annular first cavity (5) inside. An annular sealing port is opened on the side wall of the first cavity (5). The sealing ring (4) is slidably installed in the sealing port. A position adjustment mechanism is provided between the sealing ring (4) and the fixed plate (1) for adjusting the position of the sealing ring (4).

2. The airtightness test sealing device according to claim 1, characterized in that, The inner and outer walls of the sealing port are fixedly provided with a first sealing ring, which is in contact with the sealing ring (4). The side wall of the sealing ring (4) away from the fixed plate (1) is fixedly provided with a second sealing ring (6).

3. The airtightness test sealing device according to claim 2, characterized in that, The positioning mechanism includes a positioning block (7) and a positioning plate (8). The positioning seat (3) has a second cavity (9) inside. The side wall of the positioning seat (3) is provided with a plurality of positioning grooves (10). The positioning grooves (10) are connected to the second cavity (9). The positioning block (7) is provided in the positioning groove (10). Two positioning plates (8) are hinged between the positioning block (7) and the bottom of the positioning groove (10). An angle adjustment mechanism is provided in the second cavity (9) for adjusting the angle of the positioning plate (8).

4. The airtightness test sealing device according to claim 3, characterized in that, The angle adjustment mechanism includes an adjustment disc (11), an adjustment rod (12), a first threaded rod (13), and a handwheel (14). The adjustment disc (11) is slidably disposed in the second cavity (9). The adjustment rod (12) is hinged between the side wall of the adjustment disc (11) and the adjacent positioning plate (8). The first threaded rod (13) is rotatably disposed in the second cavity (9). The first threaded rod (13) passes through the adjustment disc (11) through a threaded engagement. The handwheel (14) is rotatably disposed on the fixed disc (1). The handwheel (14) is fixedly connected to the first threaded rod (13).

5. The airtightness test sealing device according to claim 4, characterized in that, The position adjustment mechanism includes an adjustment ring (15) and a second threaded rod (16). The adjustment ring (15) is fixedly disposed on the inner wall of the sealing ring (4). The inner wall of the adjustment ring (15) is slidably connected to the side wall of the first cavity (5). A plurality of second threaded rods (16) are rotatably disposed in the first cavity (5). The second threaded rods (16) pass through the adjustment ring (15) through threaded engagement. A driving mechanism is disposed between the fixed disk (1) and the second threaded rods (16) for driving the plurality of second threaded rods (16) to rotate synchronously.

6. The airtightness test sealing device according to claim 5, characterized in that, The driving mechanism includes a first gear (17), a driving ring (18), and a first toothed ring (19). The side wall of the fixed disk (1) is provided with a driving groove. The first gear (17) is rotatably arranged in the driving groove on one side of the second threaded rod (16). The first gear (17) is fixedly connected to the second threaded rod (16). The driving ring (18) is rotatably arranged in the driving groove and extends out of the driving groove. The first toothed ring (19) is fixedly arranged on the inner wall of the driving ring (18) and meshes with the first gear (17).

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