Reducing suite structure for smoke suction equipment
By designing a variable diameter kit structure for the main pipe and connecting mechanism, the problem of requiring additional port tightening in traditional smoke extraction equipment is solved, achieving flexibility and convenience of the equipment, and ensuring the stability and sealing of the pipe.
Patent Information
- Application Number
- CN202520171732.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-26
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-01-26
AI Technical Summary
Traditional smoke extraction equipment requires additional port tightening steps for its variable diameter kits, which reduces convenience and makes it inconvenient to use multiple pipes simultaneously.
A variable diameter kit structure including a main pipe, an adjustment mechanism, and a connection mechanism was designed. The secondary pipe is rotated by a rotating seat to change the flow path, and components such as locking rings and retaining rings are used to ensure connection stability and sealing.
It simplifies the operation process, improves the flexibility and convenience of the equipment, ensures the stability and sealing of the pipeline, avoids smoke leakage, and reduces the cost of use and maintenance.
Smart Images
Figure CN223579288U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of reducing sleeve structure, specifically to a reducing sleeve structure for smoke suction equipment. BACKGROUND
[0002] Smoke suction equipment is widely used in industrial production, medical operation, welding operation and other occasions, which is used for removing harmful smoke and gas to protect the health and safety of workers. During the smoke suction process, the diameter of the pipeline may need to be adjusted according to different working environments and smoke amounts. The reducing sleeve can realize the quick change of the diameter of the pipeline to adapt to different suction requirements. The structure design of the reducing sleeve needs to ensure the sealing and stability of the pipeline during the reducing process to avoid smoke leakage and pipeline damage. The reducing sleeve needs to be used for a long time in various harsh environments, has good corrosion resistance and wear resistance, and can ensure the long-term stable operation of the equipment.
[0003] At present, the traditional reducing sleeve structure for smoke suction equipment needs to be matched with other equipment to tighten the port of the outer pipe during use, so that the limiting part is formed. Such connection structure often occurs during the use of the pipeline. The additional port tightening processing step greatly reduces the convenience, is difficult to be recognized by users, and is not convenient for adjusting the simultaneous use of the gas outlets of multiple pipelines. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a reducing sleeve structure for smoke suction equipment to solve the problems that the reducing sleeve structure for smoke suction equipment needs to be matched with other equipment to tighten the port of the outer pipe during use, so that the limiting part is formed. Such connection structure often occurs during the use of the pipeline. The additional port tightening processing step greatly reduces the convenience, is difficult to be recognized by users, and is not convenient for adjusting the simultaneous use of the gas outlets of multiple pipelines.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a reducing sleeve structure for smoke suction equipment, comprising a main pipeline, the two sides of the main pipeline are provided with adjusting mechanisms, the rear end of the main pipeline is provided with a connecting mechanism, the rear end of the connecting mechanism is detachably connected with a connecting hose.
[0006] The adjusting mechanism comprises a connecting column, one side of the connecting column is communicated with one side of the main pipeline, the front end of the connecting column is provided with a flow-through port, the outer wall of the connecting column is provided with a rotating seat, the outer wall of the rotating seat is fixedly connected with a secondary pipeline, and the end of the secondary pipeline away from the rotating seat is provided with an opening.
[0007] Preferably, one side of the adjusting mechanism is fixedly connected with one side of the main pipeline, and the front end of the connecting mechanism is screw-connected with the rear end of the main pipeline.
[0008] Preferably, the front end of the connecting post is connected through the outer wall of the flow port, and the outer wall of the connecting post is rotatably connected to the inner wall of the rotating seat.
[0009] Preferably, the inner diameter of the flow port is connected to the inner diameter of the opening.
[0010] Preferably, the connecting mechanism includes a locking ring one, the inner wall of the locking ring one being threadedly connected to the outer wall of the rear end of the main pipe, a movable retaining ring one being provided on one side of the inner wall of the locking ring one, an outer sleeve being provided on the inner wall of the locking ring one, an installation groove being embedded in the inner wall of the outer sleeve, a sealing ring being engaged on the inner wall of the installation groove, a limiting step being provided on the inner wall of the outer sleeve, a locking ring two being threadedly connected to the outer wall of the outer sleeve, and a movable retaining ring two being movably connected to one side of the inner wall of the locking ring two.
[0011] Preferably, one side of the inner wall of the locking ring abuts against the outer wall of the movable retaining ring, and the inner wall of the locking ring is threadedly connected to the outer wall of the outer sleeve.
[0012] Preferably, the inner diameter of the locking ring is the same as the outer diameter of the main pipe.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] 1. The adjustable mechanism allows the equipment to adjust the direction of smoke flow according to actual needs, improving the flexibility and applicability of the equipment. At the same time, the rotating connection between the secondary pipe and the rotating seat ensures the stability and sealing of the pipe during the diameter change process, avoiding smoke leakage and pipe damage. By rotating the rotating seat, the rotating seat drives the secondary pipe to rotate, which in turn drives the opening to rotate, changing the angle between the opening and the flow port, thereby changing the smoke flow path and achieving the effect of diameter change.
[0015] 2. The designed connection mechanism allows for easy detachable connection between the hose and the main pipeline, facilitating the replacement of hoses of different lengths to adapt to varying working environments and smoke volumes. The coordinated use of components such as locking ring one, movable retaining ring one, outer sleeve, mounting groove, sealing ring, limiting step, locking ring two, and movable retaining ring two ensures the stability and sealing of the connection between the hose and the main pipeline, further enhancing the equipment's reliability and durability. Rotating locking ring one and two causes the movable retaining ring one and two to move, clamping and securing the hose. The sealing ring further improves the seal at the connection point, preventing smoke leakage. The simple structure, convenient operation, and easy maintenance reduce operating and maintenance costs, improving user experience and satisfaction. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 is a three-dimensional structure schematic view of the utility model;
[0017] Figure 2 is an adjusting mechanism schematic view of the utility model;
[0018] Figure 3 is a connecting mechanism schematic view of the utility model;
[0019] Figure 4 is a three-dimensional structure side view explosion schematic view of the utility model.
[0020] In the figure: 1, main pipeline; 2, adjusting mechanism; 3, connecting mechanism; 4, connecting hose; 21, connecting column; 22, flow-through port; 23, rotating seat; 24, auxiliary pipeline; 25, opening; 41, locking ring one; 42, movable clasp one; 43, outer sleeve; 44, mounting groove; 45, sealing ring; 46, limiting step; 47, locking ring two; 48, movable clasp two. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0022] Please refer to Figure 1 and Figure 4 The utility model provides a kind of technical scheme: a variable diameter sleeve kit structure for smoke suction equipment, including main pipeline 1, adjusting mechanism 2 is arranged on the two sides of main pipeline 1, connecting mechanism 3 is arranged at the rear end of main pipeline 1, the rear end of connecting mechanism 3 is detachably connected with connecting hose 4, adjusting mechanism 2 includes connecting column 21, the side of connecting column 21 is communicated with the side of main pipeline 1, the front end of connecting column 21 is provided with flow-through port 22, the outer wall of connecting column 21 is provided with rotating seat 23, rotating seat 23 is fixedly connected with auxiliary pipeline 24 on the outer wall, opening 25 is formed in the end of auxiliary pipeline 24 away from rotating seat 23, the side of adjusting mechanism 2 is fixedly connected with the side of main pipeline 1, the front end of connecting mechanism 3 is threadedly connected with the rear end of main pipeline 1;
[0023] The operator can change the flow path of the smoke by rotating the rotating seat 23 when using the main pipeline 1, the rotating seat 23 drives the auxiliary pipeline 24 to rotate, the auxiliary pipeline 24 drives the opening 25 to rotate, the angle between the opening 25 and the flow-through port 22 changes, thereby changing the diameter of the pipeline, achieving the effect of variable diameter, which not only simplifies the operation steps and improves the work efficiency, but also facilitates the simultaneous use of the gas outlets of multiple pipelines, greatly improves the practicability and convenience of the equipment, and can adjust the main pipeline 1 and the auxiliary pipeline 24 to meet the use requirements.
[0024] Please refer to Figure 2 , in order to quickly adjust and dredge the gas in the main pipeline 1 and on both sides, the front end of the connecting column 21 is connected with the outer wall of the flow-through port 22, the outer wall of the connecting column 21 is rotationally connected with the inner wall of the rotating seat 23, and the inner diameter of the flow-through port 22 is communicated with the inner diameter of the opening 25.
[0025] In order to enhance the stability and sealing performance of the connection of the equipment, the inner wall of the locking ring one 41 is in abutment with the outer wall of the movable clasp one 42, the inner wall of the locking ring one 41 is threadedly connected with the outer wall of the outer sleeve 43, the operator can rotate the locking ring one 41 and the locking ring two 47, the locking ring one 41 and the locking ring two 47 drive the movable clasp one 42 and the movable clasp two 48 to move, and the movable clasp one 42 and the movable clasp two 48 clamp and fix the connecting hose 4, which not only improves the stability and sealing performance of the connection, prevents smoke leakage, but also facilitates disassembly and installation, and facilitates the operator to make flexible adjustment according to the actual situation.
[0026] Please refer to Figure 3 , in order to quickly fix the connecting hose 4 on the main pipeline 1, the connecting mechanism 3 comprises a locking ring one 41, the inner wall of the locking ring one 41 is threadedly connected with the rear end of the main pipeline 1, the inner wall of the locking ring one 41 is provided with a movable clasp one 42, the inner wall of the locking ring one 41 is provided with an outer sleeve 43, the inner wall of the outer sleeve 43 is embedded with a mounting groove 44, the inner wall of the mounting groove 44 is clamped with a sealing ring 45, the inner wall of the outer sleeve 43 is provided with a limiting step 46, the outer wall of the outer sleeve 43 is threadedly connected with a locking ring two 47, the inner wall of the locking ring two 47 is movably connected with a movable clasp two 48, the inner wall of the locking ring one 41 is in abutment with the outer wall of the movable clasp one 42, the inner wall of the locking ring one 41 is threadedly connected with the outer wall of the outer sleeve 43, and the inner diameter of the locking ring one 41 is the same as the outer diameter of the main pipeline 1.
[0027] The sleeve 43 can be sleeved and sealed with the connecting hose 4, and the other side of the sleeve 43 can be sleeved and sealed with the main pipe 1. First, loosen the locking ring one 41 from the sleeve 43, then pass the main pipe 1 through the locking ring one 41 and the movable clasp one 42 and insert it into the sleeve 43 until the main pipe 1 is blocked by the limiting step 46, then tighten the locking ring one 41 with the sleeve 43. During the tightening process, the side of the sleeve 43 and the blocking wall in the locking ring one 41 will gradually approach each other, and under the action of joint clamping, the movable clasp one 42 is squeezed radially inward, so that the movable clasp one 42 is finally tightly gripped on the outer wall of the main pipe 1, realizing the relative locking between the main pipe 1 and the sleeve 43. Similarly, the other side of the sleeve 43, the movable clasp two 48 and the locking ring two 47 are used to control the connecting hose 4. When the other side of the sleeve 43 is loosened from the locking ring two 47, the connecting hose 4 can adjust the insertion depth to form an extension structure. After the length adjustment is completed, it can be locked by tightening again. In use, by detachably connecting the connecting hose 4 with the rear end of the connecting mechanism 3, different diameters of connecting hoses 4 can be selected according to actual use to adapt to different smoke suction requirements. When it is necessary to adjust the flow direction or flow of smoke, the rotating seat 23 can be rotated to drive the secondary pipe 24 to rotate relative to the main pipe 1, so as to change the relative position between the flow-through port 22 and the opening 25, and adjust the flow direction of the smoke. At the same time, since the inner diameter of the flow-through port 22 and the inner diameter of the opening 25 are communicated, it can be ensured that the smoke will not be hindered in the flow process, and the normal operation of the smoke suction equipment is guaranteed. In addition, by setting the connecting mechanism 3, the connecting hose 4 can be conveniently fixed on the main pipe 1, avoiding the problem that the traditional reducing sleeve needs to be matched with other equipment for port tightening during use, improving the convenience of use. At the same time, the mutual cooperation of the locking ring one 41, the movable clasp one 42, the sleeve 43, the mounting groove 44, the sealing ring 45, the limiting step 46, the locking ring two 47 and the movable clasp two 48 in the connecting mechanism 3 can ensure the tight and reliable connection between the connecting mechanism 3 and the main pipe 1 and the connecting hose 4, avoiding the problem of smoke leakage.
[0028] Working principle: first, through the operation personnel in the use of main pipeline 1, can rotate rotating seat 23, rotating seat 23 drive vice pipeline 24 rotation, vice pipeline 24 drive open 25 rotation, make open 25 and the angle between the flow through the mouth 22 change, thus change the flow path of smoke, realize the effect of variable diameter, such setting not only simplifies the operation steps, improve the work efficiency, also convenient to adjust multiple pipeline gas end use at the same time, greatly improve the practicability and convenience of equipment, can realize the adjustment between main pipeline 1 and vice pipeline 24 to reach the demand of use, in order to enhance the stability and sealing of equipment connection, locking ring one 41 inner wall one side and movable clasp ring one 42 outer wall abutment, locking ring one 41 inner wall and the outer wall of sleeve 43 thread connection, the operator can rotate locking ring one 41 and locking ring two 47, locking ring one 41 and locking ring two 47 drive movable clasp ring one 42 and movable clasp ring two 48 move, movable clasp ring one 42 and movable clasp ring two 48 clamp fixed connection hose 4, such setting not only improve the stability and sealing of connection, prevent smoke leakage, also convenient to disassemble and install, convenient for operation personnel to adjust flexibly according to actual situation;
[0029] Then the sleeve 43 can be connected with the connecting hose 4 and sealed, the other side of the sleeve 43 can be connected with the main pipe 1 and sealed, first twist the locking ring one 41 to make it loose with the sleeve 43, then pass the main pipe 1 through the locking ring one 41 and the movable clasp one 42 and insert into the sleeve 43, until the main pipe 1 is blocked by the limiting step 46, then tighten the locking ring one 41 with the sleeve 43, in the process of tightening, the side of the sleeve 43 and the blocking wall in the locking ring one 41 will gradually close, under the action of common clamping, the movable clasp one 42 is extruded radially inward, so that the movable clasp one 42 is finally tightly gripped on the outer wall of the main pipe 1, realizing the relative locking between the main pipe 1 and the sleeve 43, similarly, the other side of the sleeve 43, the movable clasp two 48 and the locking ring two 47 are used to control the connecting hose 4, when the other side of the sleeve 43 is loose with the locking ring two 47, the connecting hose 4 can adjust the insertion depth to form an extension structure, after the length adjustment is completed, it is tightened again, so that the locking is realized, in use, by detachably connecting the connecting hose 4 with the rear end of the connecting mechanism 3, different diameters of connecting hoses 4 can be selected according to actual use to adapt to different smoke suction requirements, when it is necessary to adjust the flow direction or flow of smoke, the rotating seat 23 can be rotated to drive the auxiliary pipe 24 to rotate relative to the main pipe 1, so as to change the relative position between the flow-through port 22 and the opening 25, and adjust the flow direction of smoke, at the same time, since the inner diameter of the flow-through port 22 is communicated with the inner diameter of the opening 25, it can be ensured that the smoke will not be hindered in the flow process, and the normal operation of the smoke suction equipment is ensured, in addition, by arranging the connecting mechanism 3, the connecting hose 4 can be conveniently fixed on the main pipe 1, avoiding the problem that the traditional reducing sleeve needs to be matched with other equipment for port tightening during use, improving the convenience of use, at the same time, the mutual cooperation of the locking ring one 41, the movable clasp one 42, the sleeve 43, the mounting groove 44, the sealing ring 45, the limiting step 46, the locking ring two 47 and the movable clasp two 48 in the connecting mechanism 3 can ensure that the connection between the connecting mechanism 3 and the main pipe 1 and the connecting hose 4 is tight and reliable, avoiding the problem of smoke leakage, the above is the working process of the whole device, and the contents not described in detail in the specification all belong to the existing technology known to those skilled in the art.
[0030] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A variable diameter sleeve structure for a smoke suction device, comprising a main duct (1), characterized in that: The adjusting mechanism (2) is arranged on both sides of the main pipeline (1), and the rear end of the main pipeline (1) is provided with a connecting mechanism (3), and the rear end of the connecting mechanism (3) is detachably connected with a connecting hose (4). The adjusting mechanism (2) includes a connecting column (21), one side of the connecting column (21) is communicated with one side of the main pipeline (1), the front end of the connecting column (21) is provided with a flow-through port (22), the outer wall of the connecting column (21) is provided with a rotating seat (23), the outer wall of the rotating seat (23) is fixedly connected with a secondary pipeline (24), and the end of the secondary pipeline (24) away from the rotating seat (23) is provided with an opening (25).
2. A variable diameter sleeve assembly for a smoke suction device according to claim 1, characterized in that: The adjusting mechanism (2) is fixedly connected with one side of the main pipeline (1), and the front end of the connecting mechanism (3) is threadedly connected with the rear end of the main pipeline (1).
3. A variable diameter sleeve assembly for a smoke suction device according to claim 1, wherein: The front end of the connecting column (21) is connected with the outer wall of the flow-through port (22), and the outer wall of the connecting column (21) is rotatably connected with the inner wall of the rotating seat (23).
4. A variable diameter sleeve assembly for a smoke suction device according to claim 3, wherein: The inner diameter of the flow-through port (22) is communicated with the inner diameter of the opening (25).
5. A variable diameter sleeve assembly for a smoke suction device according to claim 1, wherein: The connecting mechanism (3) includes a locking ring one (41), the inner wall of the locking ring one (41) is threadedly connected with the rear end of the main pipeline (1), one side of the inner wall of the locking ring one (41) is provided with a movable clasp one (42), the inner wall of the locking ring one (41) is provided with an outer sleeve (43), the inner wall of the outer sleeve (43) is embeddedly connected with a mounting groove (44), the inner wall of the mounting groove (44) is clamped with a sealing ring (45), the inner wall of the outer sleeve (43) is provided with a limiting step (46), the outer wall of the outer sleeve (43) is threadedly connected with a locking ring two (47), and one side of the inner wall of the locking ring two (47) is movably connected with a movable clasp two (48).
6. A variable diameter sleeve assembly for a smoke suction device according to claim 5, wherein: The inner wall of the locking ring one (41) is abutted with the outer wall of the movable clasp one (42), and the inner wall of the locking ring one (41) is threadedly connected with the outer wall of the outer sleeve (43).
7. A variable diameter sleeve assembly for a smoke suction device according to claim 5, wherein: The inner diameter of the locking ring one (41) is the same as the outer diameter of the main pipeline (1).