Multi-section foldable suction pipeline structure for vacuum differential pressure

Abstract

The utility model relates to the technical field of vacuum differential pressure equipment, in particular to a multi-section foldable suction pipeline structure for vacuum differential pressure, which comprises a multi-section foldable suction pipeline structure assembly, the multi-section foldable suction pipeline structure assembly comprises a first foldable suction pipeline and a second foldable suction pipeline, according to the multi-section foldable suction pipeline structure for the vacuum pressure difference, the second outer connecting sleeve at the right end of the second foldable suction pipeline is connected with the first inner connecting sleeve at the left end of the first foldable suction pipeline in a sleeved mode, the second outer connecting sleeve at the right end of the second foldable suction pipeline is connected with the first inner connecting sleeve at the left end of the first foldable suction pipeline in a sleeved mode, and therefore the multi-section foldable suction pipeline structure for the vacuum pressure difference is formed. The threaded fastening blocks at the two ends of the threaded rod are adjusted to oppositely move to the two sides of the connecting block, so that the threaded fastening blocks are conveniently clamped and fastened, the multiple sections of suction pipelines are conveniently connected, and the first foldable suction pipeline and the second foldable suction pipeline are corrugated connecting pipes and can be conveniently folded.

Description

TECHNICAL FIELD

[0001] The utility model relates to a vacuum differential pressure equipment technical field, especially relates to a kind of multi-section foldable suction pipeline structure for vacuum differential pressure. BACKGROUND

[0002] Drilled cast-in-place pile vacuum pumping method is used in engineering operation process, and pile head breaking process is a kind of "soft excavation" construction technology, which is to remove pile head by vacuum pile breaker before initial setting after concrete pouring, and the principle of the method is to form negative pressure by vacuum pump, and to form airflow by suction pipeline using negative pressure, to carry concrete and slurry into storage tank.

[0003] In the patent with publication number CN208416462U, an oil well suction pipeline is provided, which includes a pipe body, a first threaded ring, a second threaded ring, a first threaded groove, a second threaded groove and a rubber ring. The first threaded ring is screwed with the first threaded groove, and the second threaded ring is screwed with the second threaded groove. The device uses four pairs of internal and external threads to connect simultaneously, making the connection more stable. A rubber ring is provided at the bottom to increase the sealing performance. However, the following problems still exist in the patent:

[0004] The above-mentioned suction pipeline is inconvenient to fold and store during use, and the stability of the multi-section suction pipeline connection is poor, which can cause inconvenience in use.

[0005] To solve the above problems, a multi-section foldable suction pipeline structure for vacuum differential pressure is needed to be designed. UTILITY MODEL CONTENTS

[0006] The main purpose of the utility model is to provide a multi-section foldable suction pipeline structure for vacuum differential pressure, which can effectively solve the problems in the background art.

[0007] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows:

[0008] A kind of for vacuum differential pressure multi-section collapsible suction duct structure, including multi-section collapsible suction duct structure assembly and first outer connecting sleeve, the multi-section collapsible suction duct structure assembly includes first collapsible suction duct and second collapsible suction duct, the right end of the first collapsible suction duct is provided with first helical thread, the left end of the first collapsible suction duct is provided with first inner connecting sleeve, the outer wall of the first inner connecting sleeve is provided with first helical thread, the right end of the second collapsible suction duct is provided with second outer connecting sleeve, the left end of the second collapsible suction duct is provided with second inner connecting sleeve, the outer wall of the second inner connecting sleeve is provided with second helical thread, the outer wall of the second outer connecting sleeve is clamped with the first inner connecting sleeve sleeve, the inner wall of the connecting clamping sleeve is provided with inner rubber thread strip, the outer wall of the connecting clamping sleeve is provided with connecting block at one end, the middle part of the connecting block is provided with threaded barrel, the middle part of the threaded barrel is provided with threaded rod, the both ends of the threaded rod are provided with threaded fastening block respectively.

[0009] As the preferred scheme of the utility model, the first outer connecting sleeve is fixedly connected between the first collapsible suction duct, and the first inner connecting sleeve is fixedly connected between the first collapsible suction duct.

[0010] As the preferred scheme of the utility model, the first helical thread is fixedly connected between the first inner connecting sleeve, and the second outer connecting sleeve is fixedly connected between the second collapsible suction duct.

[0011] As the preferred scheme of the utility model, the second helical thread is fixedly connected between the second inner connecting sleeve, and the second inner connecting sleeve is fixedly connected between the second collapsible suction duct.

[0012] As the preferred scheme of the utility model, the second outer connecting sleeve is sleeved between the first inner connecting sleeve, the inner rubber thread strip is fixedly connected between the connecting clamping sleeve, and the connecting clamping sleeve is clamped between the second outer connecting sleeve.

[0013] As the preferred scheme of the utility model, the threaded barrel is fixedly connected between the connecting block, the threaded rod is threadedly connected between the threaded barrel, and the threaded fastening block is threadedly connected between the threaded rod. Beneficial effects

[0014] Compared with the prior art, the utility model has the beneficial effects as follows:

[0015] 1. The utility model discloses a kind of multi-section foldable suction duct structures for vacuum pressure difference, utilize the second outer connecting sleeve of second foldable suction duct right end and the first inner connecting sleeve of first foldable suction duct left end are connected, by adjusting the screw fastening block of screw rod two ends and moving to the two sides of connecting block, it is convenient to clamp fastening, it is convenient to connect multiple suction ducts, and first foldable suction duct and second foldable suction duct are corrugated connecting pipe, can be folded conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic view of the multi-section foldable suction duct structure assembly of the utility model;

[0017] Figure 2 It is the structure schematic view of first foldable suction duct and second foldable suction duct of the utility model;

[0018] Figure 3 It is the structure schematic view of connecting sleeve and screw rod of the utility model.

[0019] In the drawing: 1, multi-section foldable suction duct structure assembly;101, first foldable suction duct;102, first inner connecting sleeve;103, first helical thread;104, first outer connecting sleeve;105, connecting sleeve;106, second foldable suction duct;107, second outer connecting sleeve;108, second inner connecting sleeve;109, second helical thread;110, inner rubber thread strip;111, connecting block;112, threaded cylinder;113, screw rod;114, screw fastening block. DETAILED DESCRIPTION

[0020] To make the technical means, creative features, purposes and effects achieved by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0021] As Figures 1-3As shown in the figure, a multi-section foldable suction pipe structure for vacuum pressure difference comprises a multi-section foldable suction pipe structure assembly 1 and a first outer connecting sleeve 104, the multi-section foldable suction pipe structure assembly 1 comprises a first foldable suction pipe 101 and a second foldable suction pipe 106, the right end of the first foldable suction pipe 101 is provided with a first spiral thread 103, the left end of the first foldable suction pipe 101 is provided with a first inner connecting sleeve 102, the outer wall of the first inner connecting sleeve 102 is provided with the first spiral thread 103, the right end of the second foldable suction pipe 106 is provided with a second outer connecting sleeve 107, the left end of the second foldable suction pipe 106 is provided with a second inner connecting sleeve 108, the outer wall of the second inner connecting sleeve 108 is provided with a second spiral thread 109, the outer wall of the second outer connecting sleeve 107 is clamped with a connecting clamping sleeve 105 after the second outer connecting sleeve 107 is sleeved with the first inner connecting sleeve 102, the inner wall of the connecting clamping sleeve 105 is provided with an inner rubber thread strip 110, one end of the outer wall of the connecting clamping sleeve 105 is provided with a connecting block 111, the middle part of the connecting block 111 is provided with a threaded cylinder 112, the middle part of the threaded cylinder 112 is provided with a threaded rod 113, and both ends of the threaded rod 113 are respectively provided with threaded fastening blocks 114.

[0022] Please refer to the accompanying Figure 1 , the accompanying Figure 2 and the accompanying Figure 3 As shown in the figure, the first outer connecting sleeve 104 is fixedly connected with the first foldable suction pipe 101, the first inner connecting sleeve 102 is fixedly connected with the first foldable suction pipe 101, the first spiral thread 103 is fixedly connected with the first inner connecting sleeve 102, the second outer connecting sleeve 107 is fixedly connected with the second foldable suction pipe 106, the second spiral thread 109 is fixedly connected with the second inner connecting sleeve 108, the second inner connecting sleeve 108 is fixedly connected with the second foldable suction pipe 106, the second outer connecting sleeve 107 is sleeved with the first inner connecting sleeve 102, the inner rubber thread strip 110 is fixedly connected with the connecting clamping sleeve 105, the connecting clamping sleeve 105 is clamped with the second outer connecting sleeve 107, the threaded cylinder 112 is fixedly connected with the connecting block 111, the threaded rod 113 is threadedly connected with the threaded cylinder 112, and the threaded fastening blocks 114 are threadedly connected with the threaded rod 113.

[0023] Among them, the inner wall of the connecting clamping sleeve 105 is provided with the inner rubber thread strip 110, the inner rubber thread strip 110 plays a protective and anti-skid effect, the inner walls of the first outer connecting sleeve 104 and the second outer connecting sleeve 107 are also respectively provided with spiral threads, which facilitates the threadedly combined second outer connecting sleeve 107 and the first inner connecting sleeve 102, so as to facilitate the combination of the first foldable suction pipe 101 and the second foldable suction pipe 106.

[0024] The utility model discloses a work flow: use the structure of collapsible suction pipeline for vacuum pressure difference of many sections designed in this scheme, when working, the right end of second collapsible suction pipeline 106 is sleeved in the outer wall of the first inner connecting sleeve 102 of the left end of first collapsible suction pipeline 101, the thread of the inner wall of its second outer connecting sleeve 107 is screwed with first helical thread 103, so that second collapsible suction pipeline 106 and first collapsible suction pipeline 101 are combined, the connecting clamping sleeve 105 is clamped on the outer wall of second outer connecting sleeve 107, the thread fastening block 114 of both ends of screw rod 113 is rotated manually, the thread fastening block 114 is fastened to the outer wall of connecting block 111 through rotation, the connecting place of first collapsible suction pipeline 101 and second collapsible suction pipeline 106 is conveniently reinforced, prevents its slack, and first collapsible suction pipeline 101 and second collapsible suction pipeline 106 are corrugated connecting pipes, and folding, stretching are convenient, thereby length adjustment is carried out, and the both ends of each group first collapsible suction pipeline 101 have first outer connecting sleeve 104 and first inner connecting sleeve 102 respectively, so that multiple corrugated connecting pipes are connected and used, and operation is relatively simple.

[0025] Although the embodiments of the utility model have been shown and described, it is understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A multi-section foldable suction pipe structure for vacuum differential pressure, comprising a multi-section foldable suction pipe structure assembly (1) and a first outer connecting sleeve (104), characterized in that: The multi-section foldable suction pipe structure assembly (1) includes a first foldable suction pipe (101) and a second foldable suction pipe (106). The right end of the first foldable suction pipe (101) is provided with a first spiral pattern (103), and the left end of the first foldable suction pipe (101) is provided with a first inner connecting sleeve (102). The outer wall of the first inner connecting sleeve (102) is provided with a first spiral pattern (103). The right end of the second foldable suction pipe (106) is provided with a second outer connecting sleeve (107), and the left end of the second foldable suction pipe (106) is provided with a second inner connecting sleeve (106). 08), the outer wall of the second inner connecting sleeve (108) is provided with a second spiral pattern (109), the outer wall of the second outer connecting sleeve (107) after being sleeved with the first inner connecting sleeve (102) is fitted with a connecting sleeve (105), the inner wall of the connecting sleeve (105) is provided with an inner rubber threaded strip (110), one end of the outer wall of the connecting sleeve (105) is provided with a connecting block (111), the middle part of the connecting block (111) is provided with a threaded cylinder (112), the middle part of the threaded cylinder (112) is provided with a threaded rod (113), and the two ends of the threaded rod (113) are respectively provided with threaded fastening blocks (114).

2. The multi-section foldable suction pipe structure for vacuum pressure differential as described in claim 1, characterized in that: The first outer connecting sleeve (104) is fixedly connected to the first foldable suction pipe (101), and the first inner connecting sleeve (102) is fixedly connected to the first foldable suction pipe (101).

3. The multi-section foldable suction pipe structure for vacuum pressure differential as described in claim 1, characterized in that: The first spiral (103) is fixedly connected to the first inner connecting sleeve (102), and the second outer connecting sleeve (107) is fixedly connected to the second foldable suction pipe (106).

4. The multi-section foldable suction pipe structure for vacuum pressure differential as described in claim 1, characterized in that: The second spiral (109) is fixedly connected to the second inner connecting sleeve (108), and the second inner connecting sleeve (108) is fixedly connected to the second foldable suction pipe (106).

5. The multi-section foldable suction pipe structure for vacuum pressure differential as described in claim 1, characterized in that: The second outer connecting sleeve (107) is sleeved with the first inner connecting sleeve (102), the inner rubber threaded strip (110) is fixedly connected with the connecting sleeve (105), and the connecting sleeve (105) is snapped with the second outer connecting sleeve (107).

6. The multi-section foldable suction pipe structure for vacuum pressure differential as described in claim 1, characterized in that: The threaded cylinder (112) is fixedly connected to the connecting block (111), the threaded rod (113) is threadedly connected to the threaded cylinder (112), and the threaded fastening block (114) is threadedly connected to the threaded rod (113).

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