A spoolable confined space sampling tube

Abstract

The utility model discloses a kind of coiled limited space sampling tubes, belong to limited space sampling equipment field. Including sleeve pipe and sampling hose, the sleeve pipe is set to several, and the sampling hose is arranged in dry sleeve pipe inside, damping sliding sleeve is equipped with adjusting ring on the outer wall of the sleeve pipe, and the outer rotation of the adjusting ring is connected with limit rod. The utility model, by several sleeve pipes, sampling hose can become "rod", and then facilitate to extend into the container to be detected, and when two adjacent sleeve pipes need to be rotated and adjusted, the angle of rotation required by two adjacent sleeve pipes can be adjusted first, then the limit rod is adjusted to make rubber clamping block enter into fixed plate and adjusting groove, and then the limit rod is limited, two adjacent sleeve pipes can be adjusted at multiple angles by this method, and then the utility model can be applicable to different containers to be detected, thereby increasing the practicability of the utility model.

Description

Technical Field

[0001] This utility model relates to the field of confined space sampling equipment, specifically a coilable confined space sampling tube. Background Technology

[0002] Confined spaces refer to enclosed or semi-enclosed facilities and locations where access is restricted, ventilation is poor, and flammable, explosive, toxic, or hazardous substances may be present, or oxygen deficiency may occur, posing a threat to the health and safety of personnel entering these spaces. These include reactors, towers, kettles, tanks, furnaces, boiler drums, pipelines, basements, manholes, pits (pools), trenches, or other enclosed or semi-enclosed locations. Due to restricted access and poor ventilation, confined spaces may contain flammable, explosive, toxic, or hazardous substances, or are oxygen-deficient, posing a threat to the health and safety of personnel entering them. Media reports frequently report on personnel injuries and fatalities during the maintenance and cleaning of various chemical towers, reactors, manholes, and pits. To ensure safe operations in confined spaces, sampling and analysis are necessary. However, in actual sampling, the sampling tube is too flexible to adjust its movement trajectory, making it impossible to meet standard sampling requirements. Therefore, this invention provides a coilable confined space sampling tube to solve the aforementioned problems. Utility Model Content

[0003] The purpose of this invention is to provide a coilable sampling tube for confined spaces to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: A coilable sampling tube for confined spaces includes a sleeve and a sampling hose. Several sleeves are provided, and the sampling hose passes through the interior of each sleeve. An adjusting ring is damped and slidably fitted onto the outer wall of each sleeve, and a limiting rod is rotatably connected to the outside of the adjusting ring. A first limiting port, cooperating with the limiting rod, is provided on the outer wall of the sleeve, and a second limiting port is also provided. An adjusting component for adjusting the position of the limiting rod is movably connected to the outer wall of the adjusting ring, and the limiting rod is fixedly connected to the adjusting component. A rubber clamp is fixedly connected to the outer wall of the limiting rod.

[0005] As a further embodiment of this utility model, the adjustment component includes an adjustment channel formed on the surface of the adjustment ring, a pressing post is slidably connected inside the adjustment channel, and the limiting rod is fixedly connected to the pressing post.

[0006] As a further embodiment of this utility model, a limiting plate is fixedly connected to the end of the pressing column away from the adjusting ring, and a spring is sleeved on the outside of the pressing column.

[0007] As a further embodiment of this utility model, an adjusting gear is fixedly connected to one end of the pressing column located inside the adjusting channel, and several limiting teeth are fixedly connected to the inner wall of the adjusting channel, with the adjusting gear meshing with the limiting teeth.

[0008] As a further embodiment of this utility model, the first limiting port includes a limiting groove, and the inside of the limiting groove is also provided with a slot adapted to the limiting rod. The second limiting port includes an adjusting groove, which is opened on the opposite side of the limiting groove, and a fixing plate is fixedly connected inside the adjusting groove.

[0009] As a further embodiment of this utility model, an adjustment area is provided on the outer wall of the sleeve, a rubber sleeve is wrapped on the inner wall of the adjustment area, a movable ring is fixedly connected to the outer wall of the adjustment ring, the movable ring is slidably connected in the adjustment area, and a rubber membrane is attached to the inner wall of the movable ring.

[0010] Compared with the prior art, the beneficial effects of this utility model are: 1. In use, several sleeves are joined together. During the joining process, the limiting rod disengages from the limiting groove. Then, the adjusting ring is rotated 180 degrees. After rotating the adjusting ring 180 degrees, the pressing column is pressed. When the pressing column is pressed, the adjusting gear disengages from the limiting teeth. Then, the limiting rod is rotated to enter the slot of another adjacent sleeve. Since the rubber block also enters the slot, the limiting rod will be tightly connected to an adjacent sleeve under the action of the rubber block. In this way, two adjacent sleeves can be limited, so that the two adjacent sleeves can no longer rotate. Then, the sampling tube in the coiled state is adjusted into a "rod" shape with the help of several sleeves, so that the sampling tube can be easily inserted into the container to be tested.

[0011] 2. When using this utility model, if it is necessary to rotate and adjust two adjacent sleeves, the required rotation angle of the two adjacent sleeves can be adjusted first, and then the limiting rod can be adjusted to allow the rubber block to enter the fixing plate and the adjusting groove, thereby limiting the limiting rod. In this way, the two adjacent sleeves can be adjusted at multiple angles, thus making this utility model applicable to different containers to be tested, thereby increasing the practicality of this utility model. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of a spiral-shaped sampling tube for confined spaces.

[0013] Figure 2 This is a plan view of a coilable sampling tube for confined spaces.

[0014] Figure 3 This is a structural diagram of an adjustment ring in a coilable sampling tube for confined spaces.

[0015] Figure 4 For a type of coilable sampling tube in confined space Figure 3 Enlarged diagram of point A in the diagram.

[0016] Figure 5 This is a diagram showing the connection status of the sleeve in a coilable, confined space sampling tube.

[0017] Figure 6 This is a structural diagram of a limiting rod in a coilable sampling tube for confined spaces.

[0018] Figure 7 This is a diagram showing the rotation state of the sleeve in a coilable, confined space sampling tube.

[0019] Figure 8 This is a diagram showing the storage state of a sleeve in a coiled, confined space sampling tube.

[0020] In the diagram: 1. Sleeve; 2. Connecting channel; 3. Adjustment area; 4. Adjustment ring; 5. Moving ring; 6. Limiting groove; 7. Slot; 8. Adjustment groove; 9. Fixing plate; 10. Adjustment assembly; 11. Limiting rod; 12. Sampling hose; 13. Rubber clamp; 100. Fixing sleeve; 101. Pressing post; 102. Spring piece; 103. Adjustment channel; 104. Adjustment gear; 105. Limiting teeth. Detailed Implementation

[0021] 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figures 1-6In this embodiment of the present invention, a coilable confined space sampling tube includes a sleeve 1 and a sampling hose 12. Several sleeves 1 are provided, and the sampling hose 12 passes through the inside of several sleeves 1. A connecting channel 2 is opened inside the sleeve 1, and the sampling hose 12 passes through the connecting channel 2. An adjusting ring 4 is damped and slidably sleeved on the outer wall of the sleeve 1, and a limiting rod 11 is rotatably connected to the outside of the adjusting ring 4. A limiting port one that cooperates with the limiting rod 11 is opened on the outer wall of the sleeve 1, and a limiting port two is also opened on the outer wall of the sleeve 1. An adjusting component 10 for adjusting the position of the limiting rod 11 is movably connected to the outer wall of the adjusting ring 4, and the limiting rod 11 is fixedly connected to the adjusting component 10. The limiting rod 11 includes an arc rod and two straight rods, which are integrally formed, and the two straight rods are fixedly connected to the adjusting component 10. A rubber block 13 is fixedly connected to the outer wall of the limiting rod 11, and the rubber block 13 is fixedly connected to the outer wall of the arc rod. An adjustment zone 3 is provided on the outer wall of the sleeve 1. A rubber sleeve is wrapped on the inner wall of the adjustment zone 3. A movable ring 5 is fixedly connected to the outer wall of the adjustment ring 4. The movable ring 5 is slidably connected in the adjustment zone 3, and a rubber membrane is attached to the inner wall of the movable ring 5. The friction between the rubber membrane and the rubber sleeve can increase the resistance of the movable ring 5 when sliding in the adjustment zone 3, thereby achieving the purpose of damped sliding of the adjustment ring 4 outside the sleeve 1.

[0023] Please see Figure 4 The adjustment assembly 10 includes an adjustment channel 103 formed on the surface of the adjustment ring 4. A pressing post 101 is slidably connected inside the adjustment channel 103. A limiting rod 11 is fixedly connected to the pressing post 101 (the shape design of the limiting rod 11 makes it inherently retractable, so the pressing post 101 is not restricted by the limiting rod 11 when pressed). To increase the stability between the pressing post 101 and the adjustment ring 4, a fixing sleeve 100 is also fixedly connected to the outer wall of the adjustment ring 4. The pressing post 101 is inserted into the fixing sleeve 100 and slidably connected to the fixing sleeve 100. A limiting plate is fixedly connected to the end of the pressing post 101 away from the adjustment ring 4. A spring piece 102 is sleeved on the outside of the pressing post 101. The spring piece 102 is located between the adjustment ring 4 and the limiting plate. The setting of the spring piece 102 facilitates the reset of the pressing post 101.

[0024] The spring 102 is set in a "V" shape, and a circular hole is opened on the outer wall of the spring 102. The pressing column 101 is inserted into the circular hole.

[0025] An adjusting gear 104 is fixedly connected to one end of the pressing column 101 located inside the adjusting channel 103. Several limiting teeth 105 are fixedly connected to the inner wall of the adjusting channel 103. The adjusting gear 104 meshes with the limiting teeth 105, and the depth of the adjusting channel 103 is greater than the length of the limiting teeth 105. When the pressing column 101 is pressed into the adjusting channel 103, the adjusting gear 104 will disengage from the limiting teeth 105, thereby releasing the restriction of the pressing column 101 and allowing it to rotate freely. For details, please refer to Figure 4 The right side of several teeth on the adjusting gear 104 is chamfered. After the chamfering, a larger gap will be generated between the teeth on the adjusting gear 104, which will facilitate the meshing of the adjusting gear 104 with the limiting teeth 105.

[0026] The first limiting port includes a limiting groove 6, which is arc-shaped, and the inside of the limiting groove 6 is also provided with a slot 7 that is adapted to the limiting rod 11. The second limiting port includes an adjusting groove 8, which is opened on the opposite side of the limiting groove 6, and a fixing plate 9 is fixedly connected inside the adjusting groove 8.

[0027] The working principle of this utility model is as follows: Please see Figure 1 , Figure 5 and Figure 7 In use, several sleeves 1 are joined together. During the joining process, the adjusting ring 4 is first slid away from the limiting groove 6, causing the limiting rod 11 to disengage from the limiting groove 6. Then, the adjusting ring 4 is rotated 180 degrees. After rotating the adjusting ring 4 180 degrees, the pressing post 101 is pressed. When the pressing post 101 is pressed, the adjusting gear 104 disengages from the limiting teeth 105. Then, the limiting rod 11 is rotated to contact another adjacent sleeve 1. Then, the adjusting ring 4 is pushed to slide within the adjusting area 3, thereby allowing the limiting rod 11 to enter another sleeve. The limiting rod 11 is inserted into the limiting groove 6 on the 1, and then the adjusting ring 4 is moved so that the limiting rod 11 is inserted into the slot 7 in the limiting groove 6. Since the rubber block 13 also enters the slot 7, the limiting rod 11 will be connected very tightly to an adjacent sleeve 1 under the action of the rubber block 13. In this way, the two adjacent sleeves 1 can be limited so that the two adjacent sleeves 1 can no longer rotate. Then, the sampling hose 12 in the coiled state is adjusted into a "rod" shape with the help of several sleeves 1, so that the sampling hose 12 can be inserted into the container to be tested. Please refer to the details. Figure 7When it is necessary to rotate and adjust two adjacent sleeves 1, the required rotation angle of the two adjacent sleeves 1 can be adjusted first, and then the limiting rod 11 can be adjusted so that the rubber block 13 enters the fixing plate 9 and the adjusting groove 8, thereby limiting the limiting rod 11. In this way, the two adjacent sleeves 1 can be adjusted at multiple angles, so that the present invention can be applied to different containers to be tested, thereby increasing the practicality of the present invention.

[0028] After use, the limiting rod 11 can be stored in the limiting groove 6 on the sleeve 1, and several sleeves 1 can be coiled up for easy storage next time. Please refer to the following for details. Figure 1 and Figure 8 .

[0029] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A coilable sampling tube for confined spaces, comprising a sleeve (1) and a sampling hose (12), characterized in that: The sleeve (1) is configured as a plurality of sleeves, and the sampling hose (12) is inserted inside the plurality of sleeves (1). The outer wall of the sleeve (1) is fitted with a damping sliding adjustment ring (4), and the outer side of the adjustment ring (4) is rotatably connected to a limit rod (11). The outer wall of the sleeve (1) is provided with a limit port one that cooperates with the limit rod (11), and the outer wall of the sleeve (1) is also provided with a limit port two. The outer wall of the adjustment ring (4) is movably connected with an adjustment component (10) for adjusting the position of the limit rod (11), and the limit rod (11) is fixedly connected to the adjustment component (10). The outer wall of the limit rod (11) is fixedly connected with a rubber block (13).

2. The coilable confined space sampling tube according to claim 1, characterized in that, The adjustment assembly (10) includes an adjustment channel (103) formed on the surface of the adjustment ring (4), and a pressing post (101) is slidably connected inside the adjustment channel (103). The limiting rod (11) is fixedly connected to the pressing post (101).

3. A coilable confined space sampling tube according to claim 2, characterized in that, The end of the pressing column (101) away from the adjusting ring (4) is fixedly connected to a limiting plate, and a spring piece (102) is sleeved on the outside of the pressing column (101).

4. A coilable confined space sampling tube according to claim 3, characterized in that, The pressing column (101) is fixedly connected to an adjusting gear (104) at one end inside the adjusting channel (103). Several limiting teeth (105) are fixedly connected to the inner wall of the adjusting channel (103). The adjusting gear (104) meshes with the limiting teeth (105).

5. A coilable confined space sampling tube according to claim 1, characterized in that, The first limiting port includes a limiting groove (6), and the inside of the limiting groove (6) is also provided with a slot (7) that is adapted to the limiting rod (11). The second limiting port includes an adjusting groove (8), which is opened on the opposite side of the limiting groove (6), and a fixing plate (9) is fixedly connected inside the adjusting groove (8).

6. A coilable confined space sampling tube according to claim 1, characterized in that, An adjustment area (3) is provided on the outer wall of the sleeve (1). A rubber sleeve is wrapped on the inner wall of the adjustment area (3). A movable ring (5) is fixedly connected to the outer wall of the adjustment ring (4). The movable ring (5) is slidably connected in the adjustment area (3), and a rubber membrane is attached to the inner wall of the movable ring (5).

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