External clamping type manual pipeline pressure test tool

Abstract

The utility model relates to the technical field of pipeline construction, in particular to an external clamping type manual pipeline pressure test tool, which not only enhances the sealing effect of the device, so that the device can bear the pressure of 30MPa at most, but also is simple in structure, small in size, more flexible to use and capable of adapting to larger pipeline tolerance. Comprising a water delivery mechanism; the device further comprises a connecting mechanism, a to-be-tested pipe and a sealing mechanism, the connecting mechanism is installed on the water conveying mechanism and facilitates fixing of the to-be-tested pipe, the to-be-tested pipe is installed on the connecting mechanism, and the sealing mechanism is installed on the to-be-tested pipe and enhances the sealing effect of the device.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of pipeline construction, in particular to the outside card formula manual pipeline pressure test tool. BACKGROUND

[0002] After pipeline engineering installation ends or pipe section prefabrication is completed, water pressure or gas pressure test is carried out to inspect the strength and tightness of the pipeline, and manual pressure test pump is widely used in building, chemical industry, petroleum, electric power and other industries and is used for testing the pressure resistance of pipeline, container and other equipment.

[0003] The existing pipeline pressure test tool, for example, the utility model patent no. 201320729402.6 discloses a card type fast pipe mouth pressure tester, which mainly comprises a blind plate, a sealing is arranged at the water inlet end of the blind plate, a plurality of wedge grooves are arranged on the outer circle of the blind plate, the wedge grooves are evenly distributed along the outer circumference of the blind plate, the groove bottom of the wedge groove gradually rises from the backwater end of the blind plate to the outer circumferential surface of the blind plate, a wedge-shaped card matched with the wedge groove is arranged in the wedge groove, the outer surface of the card is flush with the outer surface of the blind plate, a plurality of inclined anchors are arranged on the outer surface of the card, the anchors are arranged along the width direction of the card, the outer end of the anchor is higher than the inner end, the plurality of anchors are parallel to each other, and a card gland is arranged at the outer end of the card.

[0004] However, the existing pressure test tool has poor sealing effect and is difficult to withstand high test pressure, and the existing pressure test tool is relatively complex to operate and is not flexible to use. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides an outside card formula manual pipeline pressure test tool which not only enhances the sealing effect of the device, can withstand a pressure of 30MPa at most, has simple structure and small size, is more flexible to use, and can adapt to a larger pipeline tolerance.

[0006] The utility model discloses an outer card type manual pipeline pressure test tool, including water delivery mechanism, still including connecting mechanism, pipe material and sealing mechanism that are to be measured, connecting mechanism installs on water delivery mechanism and is convenient to the pipe material that is to be measured and fixes, the pipe material that is to be measured installs on connecting mechanism, and sealing mechanism installs on the pipe material that is to be measured and enhances device sealing effect, staff loosens water delivery mechanism and connecting mechanism, after the pipe material that is to be measured is inserted into connecting mechanism, tightens connecting mechanism, makes it fix the pipe material that is to be measured, and the sealing effect of setting sealing mechanism enhancement device is convenient to the pipe material that is to be measured and carries out pressure test through water delivery mechanism water delivery.

[0007] Preferably, the water delivery mechanism comprises a water pipe, a rear cover, a thrust ball bearing and a snap spring, the water pipe is communicated with the high-pressure pipeline, the rear cover is rotatably installed on the water pipe, the thrust ball bearing is installed on the water pipe and rotatably connected with the rear cover, and the snap spring is installed on the water pipe.

[0008] Preferably, the connecting mechanism comprises a front cover and a multi-petal claw, the front cover and the rear cover are connected through a nut, and the multi-petal claw is installed in the front cover.

[0009] Preferably, the rear cover and the front cover are both engraved with anti-skid lines.

[0010] Preferably, the sealing mechanism comprises a pressing ring and a sealing ring, the pressing ring is installed in the multi-petal claw, and the sealing ring is installed in the multi-petal claw.

[0011] Compared with the prior art, the utility model has the beneficial effects that: staff loosens water delivery mechanism and connecting mechanism, after the pipe material that is to be measured is inserted into connecting mechanism, tightens connecting mechanism, makes it fix the pipe material that is to be measured, and the sealing effect of setting sealing mechanism enhancement device is convenient to the pipe material that is to be measured and carries out pressure test through water delivery mechanism water delivery. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 is the front view cross section structure schematic diagram of the utility model,

[0013] Fig. 2It is the front view structure schematic diagram of the utility model;

[0014] Fig. 3 It is the partial enlarged front view section structure schematic diagram of the utility model.

[0015] The marks in the drawing: 01, water delivery mechanism;11, water pipe;12, rear cover;13, thrust ball bearing;14, clamp spring 02, connecting mechanism;21, front cover;22, multi-petal type claw;03, pipe to be measured;04, sealing mechanism;41, pressure ring;42, sealing ring. DETAILED DESCRIPTION

[0016] In order to facilitate understanding the utility model, the utility model will be described more fully below with reference to relevant drawings. The utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0017] Embodiment 1

[0018] The utility model discloses an outer clamping type manual pipeline pressure test tool, including water delivery mechanism 01, still including connecting mechanism 02, pipe to be measured 03 and sealing mechanism 04, connecting mechanism 02 installs on water delivery mechanism 01 and is convenient to the fixed pipe to be measured 03, pipe to be measured 03 installs on connecting mechanism 02, sealing mechanism 04 installs on pipe to be measured 03 and enhances the sealing effect of device, water delivery mechanism 01 includes water pipe 11, rear cover 12, thrust ball bearing 13 and clamp spring 14, water pipe 11 communicates with high pressure pipeline, rear cover 12 is rotatably installed on water pipe 11, thrust ball bearing 13 is installed on water pipe 11 and is rotatably connected with rear cover 12, clamp spring 14 is installed on water pipe 11, connecting mechanism 02 includes front cover 21 and multi-petal type claw 22, front cover 21 and rear cover 12 are connected through nut, and multi-petal type claw 22 is installed in front cover 21, still including rear cover 12 and front cover 21 surface are engraved with anti -slip line, when its work, first, staff holds front cover 21 with one hand, and holds rear cover 12 with the other hand, and rear cover 12 is loosened by counterclockwise screwing, and rear cover 12 and multi-petal type claw 22 are loosened, and the multi-petal type claw 22 is also loosened, and the pipe to be measured 03 is inserted into the multi-petal type claw 22, then rear cover 12 is screwed clockwise, and front cover 21 and rear cover 12 are tightened, and the high pressure water is conveniently entered into the pipe to be measured 03 and is detected, and the connecting effect of water pipe 11 and high pressure pipeline is enhanced by setting clamp spring 14, and the friction between rear cover 12 and front cover 21 and staff's palm is increased by setting anti -slip line, and rear cover 12 is conveniently screwed by staff.

[0019] Embodiment 2

[0020] AsFigs. 1 to 3 As shown, the outer clamping type manual pipeline pressure testing tool, based on embodiment 1; the sealing mechanism 04 includes a compression ring 41 and a sealing ring 42, the compression ring 41 is installed in the multi-petal claw 22, the sealing ring 42 is installed in the multi-petal claw 22; when it works, first, the staff holds the front cover 21 with one hand, holds the rear cover 12 with the other hand, twists the rear cover 12 counterclockwise, makes the rear cover 12 and the multi-petal claw 22 loose, sets the thrust ball bearing 13 to facilitate the rotation of the rear cover 12, at this time the multi-petal claw 22 is also loose, the staff inserts the pipe to be measured 03 into the multi-petal claw 22, inserts the pipe to be measured 03 into the multi-petal claw 22 and the insertion depth exceeds the sealing ring 42 424mm or more, then twists the rear cover 12 clockwise, makes the front cover 21 and the rear cover 12 tighten, after tightening the rear cover 12, the compression ring 41 compresses the sealing ring 42, makes the sealing ring 42 deform, so that the water pipe 11 and the pipe to be measured 03 are sealed, the high pressure water enters the pipe to be measured 03 for detection, sets the snap spring 14 to enhance the connection effect of the water pipe 11 and the high pressure pipeline, sets the anti-skid line, increases the friction between the rear cover 12, the front cover 21 and the staff's palm, facilitates the staff to twist the rear cover 12.

[0021] The above is only the preferred embodiment of the utility model, it should be pointed out that, for ordinary technical personnel in this technical field, without departing from the technical principle of the utility model, a number of improvements and variations can be made, these improvements and variations should also be regarded as the protection scope of the utility model.

Claims

1. An external clamp-type manual pipeline pressure testing tool, including a water delivery mechanism (01); characterized in that, It also includes a connecting mechanism (02), a pipe to be tested (03), and a sealing mechanism (04). The connecting mechanism (02) is installed on the water conveying mechanism (01) and facilitates the fixing of the pipe to be tested (03). The pipe to be tested (03) is installed on the connecting mechanism (02), and the sealing mechanism (04) is installed on the pipe to be tested (03) and enhances the sealing effect of the device. The water conveying mechanism (01) includes a water pipe (11), a rear cover (12), a thrust ball bearing (13), and a retaining ring (14). The water pipe (11) is connected to a high-pressure pipeline. The rear cover (12) is rotatably mounted on the water pipe (11). The thrust ball bearing (13) is mounted on the water pipe (11) and rotatably connected to the rear cover (12). The retaining ring (14) is mounted on the water pipe (11). The connecting mechanism (02) includes a front cover (21) and a multi-lobed claw (22). The front cover (21) and the rear cover (12) are connected by a nut. The multi-lobed claw (22) is installed inside the front cover (21). The sealing mechanism (04) includes a pressure ring (41) and a sealing ring (42). The pressure ring (41) is installed inside the multi-lobed claw (22), and the sealing ring (42) is installed inside the multi-lobed claw (22).

2. The external clamp-type manual pipeline pressure testing tool as described in claim 1, characterized in that, It also includes anti-slip textures on the surfaces of the back cover (12) and the front cover (21).

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