Air suction arm for pipeline

Abstract

The utility model relates to the technical field of air suction pipelines, and discloses an air suction arm for a pipeline, which comprises an arm seat, an air suction pipe, a pipe pressing assembly and a fixing assembly, a mounting pipe is fixedly arranged on the arm seat, the inner wall of the arm seat is connected with a joint bracket, and the air suction pipe sleeves the outer side of the joint bracket. The air suction device has the advantages that the air suction pipe is inserted into the mounting pipe to be connected with the arm seat, the pressing pieces on the two sides of the air suction pipe are turned over, so that the pressing pieces can apply pressure to the air suction pipe through the pressing openings, the air suction pipe is tightly attached to the mounting pipe, and then the pressing blocks can move into the surfaces of the pressing pieces by rotating the rotating rod, so that the air suction pipe is tightly attached to the mounting pipe. Therefore, the air suction pipe and the installation pipe can be tightly installed in an attached mode, operation is easy and convenient, the operation intensity during assembly and disassembly of the air suction pipe can be saved, and the operation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a suction pipeline technical field, especially a kind of suction arm for pipeline. BACKGROUND

[0002] Suction arm is a kind of suction pipeline that can hover suction port, can flexibly adjust position to capture and collect various waste gas, widely used in welding, polishing, pouring and other smoke dispersing conditions, through its hoverable function, can point-to-point capture smoke, effectively control the diffusion of smoke, to protect the health of workers and improve working environment.

[0003] The existing patent with the announcement number CN208613333U discloses a kind of extendable multi-joint type universal flexible suction arm, including suction arm, gas collection cover connected to one end of suction arm by fixed clamp, handle installed on gas collection cover, still include wall hanging fixing device, wall hanging fixing nut, flange, bolt, screw hole, extension suction arm assembly and extension support assembly;Wall hanging fixing device is "L" type;Integrate equipment and wall hanging type, solve the problem of single function of product, at the same time, through the design of extension suction arm assembly, solve the problem that suction arm cannot be extended, improve the flexibility of suction arm, more widely applicable.

[0004] Based on the above situation, the present inventor believes that the inner wall and framework of the suction pipe are easily covered with serious dust after long-term use, and the suction pipe and arm seat are usually connected by throat clamp or bolt fixing method, so that the operation of suction pipe dismounting and dust cleaning becomes somewhat tedious and laborious, in order to optimize the operation, the present inventor proposes an improved suction arm. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of suction arm for pipeline, with the effect of improving the convenience of dust cleaning operation by quickly mounting and dismounting suction pipe.

[0006] The above technical purpose of the utility model is realized by the following technical scheme: a kind of suction arm for pipeline, including arm seat, suction pipe, pipe pressing assembly and fixed assembly;

[0007] Mounting pipe is fixed on arm seat, arm seat inner wall and joint support, suction pipe is sleeved on the outer side of joint support, and the bottom end of suction pipe is inserted into mounting pipe, pipe pressing assembly is arranged on the upper surface of arm seat, to press and fix suction pipe by pipe pressing assembly after suction pipe is inserted into mounting pipe, fixed assembly is fixed on the outer side of arm seat, pipe pressing assembly is kept detachable fixed with suction pipe by fixed assembly.

[0008] The further setting of the utility model discloses: the mounting groove is set up on the arm seat upper surface, and the number of the pipe pressing assembly is two, and the two pipe pressing assemblies are set up in the mounting groove in the mutually symmetrical mode.

[0009] Through adopting the above technical scheme, the two pipe pressing assemblies can uniformly press the air suction pipe on the outside, so that the bottom end interface of the air suction pipe can be kept close to the mounting pipe.

[0010] The further setting of the utility model discloses: the pipe pressing assembly includes pressing sheet, pressing port and elastic pad, and the pressing sheet is rotatably installed in the mounting groove, the pressing port is set up on the outside of the pressing sheet, the elastic pad is fixed on the inner wall of the pressing port, and the pressing port is fixed with the air suction pipe through the elastic pad.

[0011] Through adopting the above technical scheme, when the pressing sheet is rotatably installed in the mounting groove, the pressing port can be combined with the outer wall of the air suction pipe through the elastic pad and force is applied.

[0012] The further setting of the utility model discloses: the pressing port is the contour structure matching the contour of the outside of the mounting pipe, and the elastic pad is in interference fit with the outer wall of the air suction pipe.

[0013] Through adopting the above technical scheme, the material of the elastic pad is rubber, has better elastic force, and can improve the force pressing effect on the outside of the air suction pipe.

[0014] The further setting of the utility model discloses: the fixing assembly includes mounting cylinder, fixed frame and locking frame, the outside of the mounting cylinder is fixed with the arm seat, the fixed frame is rotatably installed on the mounting cylinder, and the top end of the locking frame is connected with the fixed frame.

[0015] Through adopting the above technical scheme, the bottom end of the fixed frame is combined with the upper surface of the pressing sheet after pressing the air suction pipe, so that the pressing sheet cannot be reset upward.

[0016] The further setting of the utility model discloses: the column groove is set up in the mounting cylinder, the fixed frame includes support plate, pressing block, rotating rod and rotating block, the bottom end of the pressing block is fixed with the fixed frame, the bottom end of the pressing block is in contact with the pressing sheet, the upper and lower ends of the rotating rod are fixed with the support plate and the rotating block respectively, and the rotating block is embedded in the inner wall of the column groove and is rotatably arranged.

[0017] Through adopting the above technical scheme, the pressing block can be moved out from the upper surface of the pressing sheet through the rotation of the rotating block.

[0018] The further setting of the utility model discloses: the bottom surface of the pressing block is parallel with the upper surface of the pressing sheet.

[0019] Through adopting the above technical scheme, the pressing sheet can be kept close to the air suction pipe, and the rotating of the rotating rod is facilitated.

[0020] The further setting of the utility model discloses: the locking frame includes the pull -out rod, the hand dish, the locking piece and the reset piece, the pull -out rod is set in the column groove in the straight line sliding mode up and down, the hand dish is fixed in the pull -out rod bottom, the pull -out rod top is connected with the rotating block lock catch through the locking piece, and the pull -out rod outside is connected with the column groove inner wall through the reset piece.

[0021] Through the above technical scheme, the pull -out rod is reset quickly through the reset piece after moving down.

[0022] The further setting of the utility model discloses: the locking piece includes locking groove and locking rod, locking groove is set up in the bottom of the rotating block, the top of the locking rod is inserted into the locking groove, and the bottom of the locking rod is fixedly connected with the pull -out rod, the inner wall of the locking groove is a polygonal structure, and the outer contour of the locking rod matches the inner wall of the locking groove.

[0023] Through the above technical scheme, the locking rod is separated or inserted with the locking groove, so that the rotating block can rotate or be fixed, which is beneficial to the use stability of the pressing block.

[0024] The further setting of the utility model discloses: the reset piece includes a compression ring and a spring, the compression ring is fixedly arranged on the outer side of the pull -out rod, and the outer wall of the compression ring is slidably connected with the column groove, and the bottom of the compression ring is fixed with the column groove through the spring.

[0025] Through the above technical scheme, the locking rod can be reset by the spring.

[0026] The utility model discloses the beneficial effect is:

[0027] The suction pipe is connected with the arm seat by being inserted into the mounting pipe, the pressing piece on both sides of the suction pipe is turned over, the pressing piece can exert pressure on the suction pipe through the pressing opening, so that the suction pipe and the mounting pipe are kept close, then the rotating rod is rotated, the pressing block can be moved into the surface of the pressing piece, the pressing piece is reset, the close state with the suction pipe is kept, so that the suction pipe can be closely installed with the mounting pipe, the operation intensity during the installation and removal of the suction pipe is saved, and the operation efficiency is improved.

[0028] In addition, when the pressing block rotates, the locking groove can be rotated, and the locking rod and the locking groove can be installed or separated, so that the pressing block is fixed and moved quickly, and the installation stability of the pressing piece is ensured. ACCURATE DRAWINGS

[0029] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed in the embodiment description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by the person skilled in the art without creating labor.

[0030] Figure 1 A schematic diagram of the structure of a suction arm for a pipeline provided in an embodiment of this utility model;

[0031] Figure 2 This is a schematic diagram of the internal structure of the suction tube in an embodiment of this utility model;

[0032] Figure 3 This is a schematic diagram of the pressure tube assembly in an embodiment of the present invention;

[0033] Figure 4 This is a schematic diagram of the locking component in an embodiment of the present invention.

[0034] In the diagram, 1. Arm seat; 2. Inhalation tube; 3. Pressure tube assembly; 4. Fixing assembly; 11. Mounting tube; 12. Joint bracket; 13. Mounting groove; 31. Pressure plate; 32. Pressure port; 33. Elastic pad; 41. Mounting cylinder; 42. Fixing bracket; 43. Locking bracket; 411. Column groove; 421. Support plate; 422. Pressure block; 423. Rotating rod; 424. Rotating block; 431. Pull rod; 432. Hand disc; 433. Locking groove; 434. Locking rod; 435. Pressure ring; 436. Spring. Detailed Implementation

[0035] The technical solution of this utility model will now be clearly and completely described with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0036] This utility model embodiment specifically provides a suction arm for pipelines; please refer to... Figure 1 and Figure 2 It includes an arm base 1, an air inlet tube 2, a pressure tube assembly 3, and a fixing assembly 4.

[0037] The arm seat 1 is fixed with an installation tube 11. The inner wall of the arm seat 1 is connected to the joint bracket 12. The suction pipe 2 is sleeved on the outside of the joint bracket 12, and the bottom end of the suction pipe 2 is inserted into the installation tube 11. The arm seat 1 is used to connect with the filter so that the flue gas absorbed in the suction pipe 2 can be sent into the filter for filtration through the arm seat 1. In use, the suction pipe 2 can be bent and supported by the joint bracket 12 to facilitate the adjustment of the suction port position of the suction pipe 2, so as to match different welding positions.

[0038] The pipe pressing assembly 3 is arranged on the upper surface of the arm base 1 to press and fix the suction pipe 2 after the suction pipe 2 is inserted into the installation pipe 11. The fixing assembly 4 is arranged on the outer side of the arm base 1. The pipe pressing assembly 3 is detachably fixed with the suction pipe 2 through the fixing assembly 4.

[0039] Specifically, the upper surface of the arm base 1 is provided with an installation groove 13. Two pipe pressing assemblies 3 are arranged in the installation groove 13 in a symmetrical manner, so that the two pipe pressing assemblies 3 can uniformly press the suction pipe 2 on the outer side of the suction pipe 2, and the bottom end of the suction pipe 2 can be tightly attached to the installation pipe 11.

[0040] Further, referring to Figure 3 , the pipe pressing assembly 3 includes a pressing plate 31, a pressing opening 32, and an elastic pad 33. The pressing plate 31 is rotatably installed in the installation groove 13. The pressing opening 32 is arranged on the outer side of the pressing plate 31. The elastic pad 33 is fixedly arranged on the inner wall of the pressing opening 32. The pressing opening 32 is tightly fixed with the suction pipe 2 through the elastic pad 33. When the pressing plate 31 is rotatably installed in the installation groove 13, the pressing opening 32 can tightly press the outer wall of the suction pipe 2 through the elastic pad 33, thereby forming a circumferential fixing effect similar to a throat clamp on the outer side of the suction pipe 2, and preventing the suction pipe 2 from falling off the installation pipe 11.

[0041] Specifically, the pressing opening 32 has a contour structure matching the outer contour of the installation pipe 11, so that the pressing opening 32 can tightly press the outer side of the suction pipe 2 after the suction pipe 2 is inserted into the installation pipe 11, and the suction pipe 11 is tightly attached to the installation pipe 11. The elastic pad 33 is in interference fit with the outer wall of the suction pipe 2. The material of the elastic pad 33 is rubber, which has good elastic force and can improve the pressing effect of the outer side of the suction pipe 2.

[0042] Further, referring to Figure 2 and 3 , the fixing assembly 4 includes an installation cylinder 41, a fixing frame 42, and a locking frame 43. The outer side of the installation cylinder 41 is fixedly connected with the arm base 1. The fixing frame 42 is rotatably installed on the installation cylinder 41. The top end of the locking frame 43 is lockingly connected with the fixing frame 42. The bottom end of the fixing frame 42 is tightly combined with the upper surface of the pressing plate 31 after the suction pipe 2 is tightly pressed, so that the pressing plate 31 cannot be upwardly rotated and reset, and the pressing plate 31 can stably press the suction pipe 2.

[0043] Specifically, the installation cylinder 41 is internally provided with a column groove 411 in a cylindrical structure, the fixing frame 42 comprises a support plate 421, a pressing block 422, a rotating rod 423 and a rotating block 424, the bottom end of the pressing block 422 is fixed with the fixing frame 42, and the bottom end of the pressing block 422 is in abutting contact with the pressing plate 31, and the contact position of the pressing block 422 and the pressing plate 31 is the adjacent end of the two pressing plates 31, so that the pressing block 422 can simultaneously apply a fitting force to the two pressing plates 31, avoiding the upward rotation reset of the two pressing plates 31.

[0044] Specifically, the rotating rod 423 is fixed with the support plate 421 and the rotating block 424 at the upper and lower ends respectively, and the rotating block 424 is embedded in the inner wall of the column groove 411, so that the pressing block 422 can be moved out from the upper surface of the pressing plate 31 through the rotation of the rotating block 424, so that the pressing block 422 can avoid the rotation reset of the pressing plate 31.

[0045] In implementation, the bottom surface of the pressing block 422 is parallel to the upper surface of the pressing plate 31, that is, the bottom side of the pressing block 422 is parallel to the upper surface of the pressing plate 31 behind the pressing air pipe 2, so that the pressing plate 31 can keep close to the air pipe 2, and the pressing block 422 can be moved out of the upper surface of the pressing plate 31 through the rotation of the rotating rod 423, so that when the air pipe 2 needs to be taken out, the air pipe 2 can be moved out of the installation pipe 11 and the skeleton joint 13 after the pressing block 422 is moved out of the upper surface of the pressing plate 31, and the air pipe 2 is lifted at the bottom end, the pressing plate 31 is rotated upward to open, so that the elastic pad 33 is loosened from the air pipe 2.

[0046] Further, please refer to Figure 3 The locking frame 43 comprises an extraction rod 431, a hand disc 432, a locking piece and a reset piece, the extraction rod 431 is arranged in the column groove 411 in a straight line sliding manner, the hand disc 432 is fixedly arranged at the bottom end of the extraction rod 431, so that the extraction rod 431 can be quickly reset through the reset piece after being moved downward from the column groove 411, the top end of the extraction rod 431 is connected with the rotating block 424 through the locking piece, and the outer side of the extraction rod 431 is connected with the inner wall of the column groove 411 through the reset piece.

[0047] Specifically, please refer to Figure 4The locking member comprises a locking groove 433 and a locking rod 434, the locking groove 433 is arranged at the bottom end of the rotating block 424, the top end of the locking rod 434 is inserted into the locking groove 433, and the bottom end of the locking rod 434 is fixedly connected with the pull rod 431; the inner wall of the locking groove 433 is in a polygonal structure, and the outer contour of the locking rod 434 is matched with the inner wall of the locking groove 433, so that when the rotating rod 423 drives the rotating block 424 to rotate to move the pressing block 422 onto or out of the pressing plate 31, the locking rod 434 can be separated from or inserted into the locking groove 433, so that the rotating block 424 can be rotated or fixed, and the use stability of the pressing block 422 is improved.

[0048] The reset member comprises a pressing ring 435 and a spring 436, the pressing ring 435 is fixedly arranged outside the pull rod 431, the outer wall of the pressing ring 435 is slidably connected with the column groove 411, the bottom end of the pressing ring 435 is fixedly connected with the column groove 411 through the spring 436, and the upper and lower ends of the spring 436 are fixedly connected with the pressing ring 435 and the column groove 411 respectively, so that when the pull rod 431 moves downward and the locking rod 434 is separated from the locking groove 433, if it is needed to reset the locking rod 434, the spring 436 can provide elastic force to make the locking rod 434 and the locking groove 433 be inserted.

[0049] The above only describes the preferred embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A suction arm for pipelines, characterized in that: It includes an arm base (1), an air inhalation tube (2), a tube compression assembly (3), and a fixing assembly (4); An installation tube (11) is fixed on the arm seat (1). The inner wall of the arm seat (1) is connected to the joint support (12). The inhalation tube (2) is sleeved on the outside of the joint support (12), and the bottom end of the inhalation tube (2) is inserted into the installation tube (11). The tube pressing assembly (3) is set on the upper surface of the arm seat (1) so that after the inhalation tube (2) is inserted into the installation tube (11), the inhalation tube (2) is pressed and fixed by the tube pressing assembly (3). The fixing assembly (4) is fixed on the outside of the arm seat (1). The tube pressing assembly (3) is detachably fixed to the inhalation tube (2) by the fixing assembly (4).

2. The suction arm for pipelines according to claim 1, characterized in that: The upper surface of the arm seat (1) is provided with an installation groove (13), and the number of the pipe pressing assembly (3) is set in two places, and the two pipe pressing assemblies (3) are arranged in the installation groove (13) in a symmetrical manner.

3. The suction arm for pipelines according to claim 2, characterized in that: The pressure tube assembly (3) includes a pressure plate (31), a pressure port (32), and an elastic pad (33). The pressure plate (31) is rotatably installed in the mounting groove (13). The pressure port (32) is opened on the outside of the pressure plate (31). The elastic pad (33) is fixedly provided on the inner wall of the pressure port (32). The pressure port (32) is pressed and fixed to the suction tube (2) by the elastic pad (33).

4. A suction arm for pipelines according to claim 3, characterized in that: The pressure port (32) has an overall contour structure that matches the outer contour of the mounting tube (11), and the elastic pad (33) is interference-fitted with the outer wall of the suction tube (2).

5. A suction arm for pipelines according to claim 4, characterized in that: The fixing component (4) includes a mounting cylinder (41), a fixing frame (42) and a locking frame (43). The outer side of the mounting cylinder (41) is fixed to the arm seat (1). The fixing frame (42) is rotatably mounted on the mounting cylinder (41). The top of the locking frame (43) is locked to the fixing frame (42).

6. A suction arm for pipelines according to claim 5, characterized in that: The mounting cylinder (41) has a column groove (411) inside. The fixing frame (42) includes a support plate (421), a pressure block (422), a rotating rod (423), and a rotating block (424). The bottom end of the pressure block (422) is fixed to the fixing frame (42), and the bottom end of the pressure block (422) abuts against the pressure plate (31). The upper and lower ends of the rotating rod (423) are fixed to the support plate (421) and the rotating block (424) respectively. The rotating block (424) is embedded and rotated in the inner wall of the column groove (411).

7. A suction arm for pipelines according to claim 6, characterized in that: The bottom surface of the pressure block (422) is parallel to the upper surface of the pressure plate (31).

8. A suction arm for pipelines according to claim 7, characterized in that: The locking frame (43) includes a pull rod (431), a hand plate (432), a locking component, and a reset component. The pull rod (431) is installed in the column groove (411) by sliding vertically. The hand plate (432) is fixed to the bottom end of the pull rod (431). The top end of the pull rod (431) is locked to the rotating block (424) through the locking component. The outer side of the pull rod (431) is connected to the inner wall of the column groove (411) through the reset component.

9. A suction arm for pipelines according to claim 8, characterized in that: The locking component includes a locking groove (433) and a locking rod (434). The locking groove (433) is located at the bottom of the rotating block (424). The top end of the locking rod (434) is inserted into the locking groove (433), and the bottom end of the locking rod (434) is fixedly connected to the pull rod (431). The inner wall of the locking groove (433) is a polygonal structure, and the outer contour of the locking rod (434) matches the inner wall of the locking groove (433).

10. A suction arm for pipelines according to claim 9, characterized in that: The reset component includes a pressure ring (435) and a spring (436). The pressure ring (435) is fixed to the outside of the pull rod (431), and the outer wall of the pressure ring (435) is slidably connected to the column groove (411). The bottom end of the pressure ring (435) is fixed to the column groove (411) by the spring (436).

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