CN117948461B - Stop device for square tube connection of being convenient for - Google Patents
Stop device for square tube connection of being convenient for Download PDFInfo
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- CN117948461B CN117948461B CN202410325440.8A CN202410325440A CN117948461B CN 117948461 B CN117948461 B CN 117948461B CN 202410325440 A CN202410325440 A CN 202410325440A CN 117948461 B CN117948461 B CN 117948461B
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- shaped tube
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- tube clamp
- clamp
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- 238000003825 pressing Methods 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 8
- 239000002131 composite material Substances 0.000 abstract description 6
- 238000003466 welding Methods 0.000 abstract description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 5
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 5
- 241001330002 Bambuseae Species 0.000 abstract description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 5
- 239000011425 bamboo Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 5
- 206010040007 Sense of oppression Diseases 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention belongs to the technical field of support fixing tools, and particularly relates to a limiting device for facilitating square tube connection. Through the cooperation of L shape inserted bar, clamp splice I and clamp splice II, can carry out continuous composite connection to the U-shaped pipe clamp according to the in-service use demand to satisfy and carry out composite connection to many square pipes, the cooperation through screw rod and internal thread section of thick bamboo will be used for pressing from both sides the tight board detachable connection of clamp plate that clamps fixed square pipe in U-shaped pipe clamp, can be convenient for assemble and dismantle square pipe, solved the restriction of welding and bolt fastening.
Description
Technical Field
The invention belongs to the technical field of support fixing tools, and particularly relates to a limiting device for square tube connection.
Background
The support structure is the most common supporting structure or equipment mounting platform in each field of life, and the most common connection mode of current side's pipe support structure is welding or bolt fixed connection two kinds, and this two modes are both can fixed the pipe support, but welded mode is difficult to dismantle, and bolted connection need open pores on the section bar again, has the inefficiency limitation, and the side's pipe support that current welding and bolted connection formed all is fixed simultaneously, and its support will unable reuse after equipment method changes, has great waste.
The searched patent publication number is: CN216407928U, a pipe clamping device convenient for assembling and fixing square pipes, comprising two fixing frames and a rotating shaft, each fixing frame is formed with two mounting surfaces, the opposite surfaces of the two fixing frames are respectively connected with the two ends of the rotating shaft in a rotating way, and the pipe clamping device also comprises a clamping component which is fixedly connected with the mounting surfaces, and the two clamping components on each fixing frame are symmetrically arranged.
Although the above patent can drive two locking parts to be close to each other through the centre gripping lead screw and fix square pipe in fixed frame, solve the problem that welding and bolt fastening's limitation and bolted connection stability are poor, but above patent can not carry out continuous composite connection according to the in-service use demand, can not satisfy and carry out composite connection to many square pipes, and above patent can only connect two square pipes with mutually perpendicular's angle, can't adjust the angle of connection between two square pipes, and the flexibility is poor.
Disclosure of Invention
The invention aims to solve the problems and provide a limit device for square tube connection, which can fix square tubes, does not malfunction and is convenient to assemble and disassemble.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a stop device for square tube coupling of being convenient for, including the U-shaped pipe clamp, the U-shaped pipe clamp comprises bottom plate and the curb plate of symmetry setting in bottom plate both sides, all install the internal thread section of thick bamboo on two curb plate outer walls of U-shaped pipe clamp, internal thread section of thick bamboo internal thread connection has the screw rod, rotationally be connected with the clamping plate that can slide on two curb plates of U-shaped pipe clamp between two screw rods, the clamping plate is used for fixing square pipe clamp fastening in the U-shaped pipe clamp, be equipped with composite connection mechanism on the bottom plate outer wall of U-shaped pipe clamp, composite connection mechanism is including connecting annular slide rail and the ring on the bottom plate outer wall of U-shaped pipe clamp, sliding connection has annular slider in the annular slider, symmetrical connection has two L shape inserted bars on the annular slider, open on the bottom plate outer wall of U-shaped pipe clamp for central symmetry have two clamp pieces I with the draw-in groove I of L shape inserted bar block, be equipped with on the bottom plate outer wall of U-shaped pipe clamp and pin the subassembly, pin the subassembly is used for locking L shape inserted bar in the draw-in groove I on clamp piece I, in order to assemble two U-shaped pipe clamps together.
Preferably, the side surfaces of the square tube clamped by the clamping plates are arranged in a V shape.
Preferably, the locking assembly comprises two guide rails connected to the outer wall of the bottom plate of the U-shaped pipe clamp, the two guide rails are symmetrical in the axis direction of the circular ring and respectively close to the two clamping blocks I, a sliding plate capable of moving in the direction away from and close to the clamping blocks I is connected to the guide rails in a sliding mode, one side, close to the clamping blocks I, of the sliding plate is connected with a clamping block II, a clamping groove II clamped with an L-shaped inserting rod is formed in the clamping block II, the clamping groove II on the clamping block II is perpendicular to the clamping groove I on the clamping block I, so that the L-shaped inserting rod is locked in the clamping groove I on the clamping block I, the two U-shaped pipe clamps are assembled together, a supporting spring is connected between the sliding plate and the guide rails, and a pull rod is connected between the two sliding plates.
Preferably, the side of the clamping block II facing away from the U-shaped pipe clamp is an inclined surface.
Preferably, be equipped with angle locking mechanical system on the bottom plate of U-shaped pipe clamp, angle locking mechanical system includes the circular pinion rack I of connecting on the bottom plate of U-shaped pipe clamp through the slide bar slidingtype, and circular pinion rack I is located the ring, the cover has compression spring on the slide bar, compression spring is connected with slide bar and U-shaped pipe clamp, be connected with circular pinion rack II on the bottom plate outer wall of U-shaped pipe clamp, and circular pinion rack II is located annular slide rail, when two U-shaped pipe clamps are in the same place, make circular pinion rack I and circular pinion rack II that are located respectively on two U-shaped pipe clamps align, when square pipe is fastened in the U-shaped pipe clamp by the clamp plate clamp, make slide bar promote circular pinion rack I to be away from the direction removal of homonymous U-shaped pipe clamp under the extrusion effect of square pipe, thereby make circular pinion rack I and circular pinion rack II meshing that are located respectively on two U-shaped pipe clamps lock each other.
Preferably, be equipped with limited slip mechanism on the U-shaped pipe clamp, limited slip mechanism includes the rubber wheel of swivelling joint on the bottom board of U-shaped pipe clamp, square pipe is hugged closely with the rubber wheel when being fastened by the clamping plate clamp and is fixed in the U-shaped pipe clamp, all articulate on two curb plates of U-shaped pipe clamp has the swing board, be connected with torsion spring I between swing board and the U-shaped pipe clamp, swivelling joint has the splint that are used for the centre gripping square pipe on the swing board, two splint contacts, be connected with torsion spring II between splint and the swing board, be equipped with the oppression subassembly on the U-shaped pipe clamp, when clamp plate and square pipe erectting perpendicular to ground and taking place not hard up, square pipe moves down and promotes the rubber wheel and rotate in order to drive oppression subassembly work, oppression subassembly work can oppress two swing boards and be close to each other.
Preferably, the pressing assembly comprises two rotating shafts which are respectively connected to two side plates of the U-shaped pipe clamp in a rotating mode, the two rotating shafts are respectively located at the outer sides of the two swinging plates, an eccentric wheel is connected to the rotating shafts, the two eccentric wheels can respectively contact with the two swinging plates and press the two swinging plates to be close to each other, and a bevel gear set is connected between the rotating shafts and the rubber wheels.
Preferably, the splint is made of rubber, and rough textures are arranged on one side of the two splints, which are close to each other.
Preferably, the side of the clamping plate clamping square tube is connected with a V-shaped rubber pad, and a rough texture is arranged on one side of the V-shaped rubber pad, which faces away from the clamping plate.
Compared with the prior art, the invention has the beneficial effects that:
1. Through the cooperation of L-shaped inserted bars, clamping blocks I and clamping blocks II, the U-shaped pipe clamps can be continuously combined and connected according to actual use requirements so as to meet the requirement of combined connection of a plurality of square pipes, and the clamping blocks II can be moved to be separated from the clamping blocks I by pulling the pull rod to unlock the L-shaped inserted bars so as to separate the U-shaped pipe clamps which are assembled together.
2. The clamping plate for clamping and fixing the square tube is detachably connected in the U-shaped tube clamp through the matching of the screw rod and the internal thread cylinder, so that the square tube can be assembled and disassembled conveniently, and the limitation of welding and bolt fixing is solved.
3. Through the cooperation of annular slide rail and annular slider, can adjust the connection angle of two U-shaped pipe clamps, with the connection angle between the adjustment side pipe, ensure that the connection between the side pipe accords with required angle requirement, reinforcing practicality and flexibility, can lock two U-shaped pipe clamps each other through the cooperation of circular pinion rack I and circular pinion rack II, thereby can effectively fix the connection angle between the side pipe, guarantee the stability after the side pipe connection, so the invention can be in fixed side pipe again not malfunctioning activity, thereby the practicality of the invention is strong, extensive applicability.
4. Through swing board, torsion spring I, splint and torsion spring II's cooperation, can press from both sides the fastening more firmly with the side pipe and fix in the U-shaped pipe clamp, and erect perpendicular to ground with the side pipe and take place not hard up when, through the cooperation of rubber wheel, pivot and bevel gear group, can make two eccentric wheels rotate to contact respectively with two swing boards and oppress two swing boards and be close to each other, with the clamp force of increase to the side pipe, improve the tight spacing effect of clamp to the side pipe, thereby can avoid side pipe to press from both sides the internal whereabouts of falling from the U-shaped pipe, and then can improve stability and security.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a combined state diagram of two U-shaped pipe clamps according to the present invention.
Fig. 3 is a schematic perspective view of a portion of a combined connection mechanism according to the present invention.
Fig. 4 is a schematic view of a part of a three-dimensional structure of the combined connection mechanism of the present invention.
Fig. 5 is a schematic perspective view of the angle locking mechanism of the present invention.
Fig. 6 is a second combined state diagram of two U-shaped pipe clamps according to the present invention.
FIG. 7 is a schematic view of an anti-slip mechanism according to the present invention.
FIG. 8 is a schematic view of a partial perspective view of the anti-slip mechanism of the present invention.
Fig. 9 is a schematic perspective view of the anti-slip mechanism of the present invention.
Fig. 10 is a schematic view of the installation of the V-shaped rubber pad of the present invention.
Number in the figure: the novel steel pipe clamp comprises a 1-U-shaped pipe clamp body, a 2-clamping plate, a 3-screw rod, a 4-internal thread cylinder, a 51-annular sliding rail, a 52-annular sliding block, a 53-L-shaped inserted link, a 54-annular ring, a 55-clamping block I, a 551-clamping groove I, a 56-guide rail, a 57-sliding plate, a 58-clamping block II, a 581-clamping groove II, a 59-supporting spring, a 510-pull rod, a 61-sliding rod, a 62-circular toothed plate I, a 63-compression spring, a 64-circular toothed plate II, a 71-rubber wheel, a 72-swinging plate, a 73-torsion spring I, a 74-clamping plate, a 75-torsion spring II, a 76-rotating shaft, a 77-eccentric wheel, a 78-cone gear set, an 8-V-shaped rubber pad and a 9-square pipe.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings, wherein it is to be understood that the following detailed description is for the purpose of further illustrating the application only and is not to be construed as limiting the scope of the application, as various insubstantial modifications and adaptations of the application to those skilled in the art can be made in light of the foregoing disclosure.
Examples: referring to fig. 1 and 10, be convenient for side's tube coupling stop device, including U-shaped pipe clamp 1, U-shaped pipe clamp 1 comprises bottom plate and the curb plate of symmetry setting in bottom plate both sides, all install internal thread section of thick bamboo 4 on the two curb plate outer walls of U-shaped pipe clamp 1, internal thread section of thick bamboo 4 internal thread is connected with screw rod 3, rotary type is connected with clamping plate 2 between two screw rods 3, all open on the two curb plates of U-shaped pipe clamp 1 with clamping plate 2 sliding fit's spout, clamping plate 2 is used for fixing square pipe 9 clamp in U-shaped pipe clamp 1, clamping plate 2 centre gripping side of square pipe 9 is V-arrangement, thereby can be with square pipe 9 firm centre gripping clamp fastening in U-shaped pipe clamp 1, so as to avoid square pipe 9 to deviate along the width direction of U-shaped pipe clamp 1, be connected with V-shaped rubber pad 8,V shape rubber pad 8 on the side of clamping plate 9 back to clamping plate 2, through V-shaped rubber pad 8 and the rough texture on can increase with square pipe 9 friction force between, so as to be more firm with 9 centre gripping, and V-shaped rubber pad 8 can avoid the square pipe 9 to set up direct side of square pipe clamp 9 to produce the square pipe clamp 9 and prevent the side of square pipe 9 from damaging the side of pipe clamp 9, thereby the side is equipped with the direct pipe clamp 9 side face to be connected with the pipe clamp 9, and the bottom plate is avoided to be equipped with the side to the pipe clamp 9.
Referring to fig. 2-4, the combined connection mechanism comprises an annular slide rail 51 and an annular ring 54 which are connected to the outer wall of the bottom plate of the U-shaped pipe clamp 1, the annular ring 54 is located on the right side of the annular slide rail 51, an annular slide block 52 is connected in the annular slide rail 51 in a sliding mode, two L-shaped inserting rods 53 are symmetrically connected in the left side and the right side of the annular slide block 52, two clamping blocks I55 are symmetrically connected in the right side of the outer wall of the bottom plate of the U-shaped pipe clamp 1 around the annular ring 54, clamping grooves I551 clamped with the L-shaped inserting rods 53 are formed in the front side of the clamping blocks I55, a locking assembly is arranged on the right side of the outer wall of the bottom plate of the U-shaped pipe clamp 1 and comprises two guide rails 56 which are symmetrically connected on the right side of the outer wall of the bottom plate of the U-shaped pipe clamp 1, two guide rails 56 are respectively located on the right side of the two clamping blocks I55, sliding plates 57 which can move left and right are connected in the guide rails 56 in a sliding mode, two clamping blocks II 58 are symmetrically connected in the upper and lower sides of the left side of the bottom plate outer wall of the U-shaped pipe clamp 1 with the bottom plate 54 as centers, clamping blocks I55 are provided with clamping blocks I55, clamping grooves I58 are formed in the left side and right side of the clamping blocks II 58 are connected with the clamping blocks II 58 in a sliding mode, clamping blocks II 58 are connected with the clamping blocks II 58 in the right side of the sliding rails II, two sliding rails II are connected with the sliding rails 53 on the right side of the sliding rails 55 and the sliding rails II are connected between the sliding rails 55 and are provided with the clamping blocks 55, and are provided with clamping blocks 55, and is connected with a clamping rail connecting rail 55.
The annular slide rails 51 and the annular rings 54 respectively positioned on the two U-shaped pipe clamps 1 are aligned, so that the L-shaped inserting rods 53 and the clamping blocks I55 respectively positioned on the two U-shaped pipe clamps 1 are aligned, then the two U-shaped pipe clamps 1 are pushed to be close to each other, and because the front sides of the clamping blocks II 58 are inclined surfaces, when the L-shaped inserting rods 53 and the clamping blocks II 58 respectively positioned on the two U-shaped pipe clamps 1 are close to each other, the inclined surfaces on the clamping blocks II 58 are pressed by the L-shaped inserting rods 53, so that the clamping blocks II 58 drive the sliding plates 57 to move in a direction away from the clamping blocks I55 on the same side, the supporting springs 59 are compressed, when the L-shaped inserting rods 53 pass over the inclined surfaces on the clamping blocks II 58, the L-shaped inserting rods 53 enter the clamping grooves I551 on the clamping blocks I55 and are aligned with the clamping grooves II 581 on the clamping blocks II 58, and at the moment, under the reset action of the supporting springs 59, the sliding plates 57 are moved and reset in the direction of the clamping blocks II 58 towards the direction of being close to the clamping blocks I55 on the same side, so that the two U-shaped pipe clamps 1 are assembled together; therefore, the U-shaped pipe clamp 1 can be continuously connected in a combined mode according to actual use requirements through the cooperation of the L-shaped inserting rod 53, the clamping blocks I55 and the clamping blocks II 58, the fact that a plurality of square pipes 9 are connected in a combined mode can be met, the pull rod 510 is pulled to move in the direction away from the circular ring 54 on the same side, the sliding plate 57 is enabled to move in the direction away from the clamping blocks I55 on the same side, the clamping blocks II 58 are carried to move in the direction away from the clamping blocks I55, the locking of the L-shaped inserting rod 53 is relieved, then the U-shaped pipe clamp 1 assembled together can be separated, and therefore the U-shaped pipe clamp 1 can be assembled and disassembled easily, conveniently and quickly. The screw rod 3 can be moved out from the internal thread cylinder 4, thereby the clamping plate 2 is moved out from the U-shaped pipe clamp 1, so that the square pipe 9 can be conveniently assembled and disassembled, the limitation of welding and bolt fixation is solved, the clamping plate 2 can be moved into the U-shaped pipe clamp 1 again after the screw rod 3 is rotated back into the internal thread cylinder 4, the square pipe 9 clamp is fixed in the U-shaped pipe clamp 1, then one U-shaped pipe clamp 1 is rotated by taking the annular sliding block 52 at the assembled joint of the two U-shaped pipe clamps 1 as a rotation center, so that the connection angle between the two U-shaped pipe clamps 1 is changed, the connection angle between the two U-shaped pipe clamps 1 can be adjusted according to the actual use requirement, the connection angle between the square pipe 9 can be adjusted according to the actual use requirement, the connection between the square pipe 9 is ensured to meet the required angle requirement, and the practicability and the flexibility are enhanced.
Referring to fig. 5, an angle locking mechanism is arranged on the bottom plate of the U-shaped pipe clamp 1, the angle locking mechanism comprises a circular toothed plate i 62 which is slidably connected to the bottom plate of the U-shaped pipe clamp 1 through a sliding rod 61, the circular toothed plate i 62 is located in a circular ring 54, a compression spring 63 is sleeved on the sliding rod 61, the compression spring 63 is connected with the sliding rod 61 and the U-shaped pipe clamp 1, a circular toothed plate ii 64 is connected to the outer wall of the bottom plate of the U-shaped pipe clamp 1, the circular toothed plate ii 64 is located in an annular sliding rail 51, and after the circular toothed plate i 62 and the circular toothed plate ii 64 which are respectively located on the two U-shaped pipe clamps 1 are aligned, the circular toothed plate i 62 can be meshed with the circular toothed plate ii 64 on the U-shaped pipe clamp 1 on the other side in a direction away from the same side.
When the two U-shaped pipe clamps 1 are assembled together, the circular toothed plates I62 and the circular toothed plates II 64 respectively positioned on the two U-shaped pipe clamps 1 are aligned, when the square pipes 9 are clamped and fixed in the U-shaped pipe clamps 1 by the clamping plates 2, the sliding rods 61 are enabled to push the circular toothed plates I62 to move away from the U-shaped pipe clamps 1 on the same side under the extrusion action of the square pipes 9, so that the circular toothed plates I62 and the circular toothed plates II 64 respectively positioned on the two U-shaped pipe clamps 1 are meshed to lock the two U-shaped pipe clamps 1 with each other, the U-shaped pipe clamps 1 are prevented from rotating by taking the annular sliding blocks 52 at the assembled joint of the two U-shaped pipe clamps 1 as rotation centers, and therefore the connecting angles between the square pipes 9 can be effectively fixed, and the stability after the square pipes 9 are connected is ensured. When the compression springs 63 are compressed by moving the sliding rods 61 in the direction away from the U-shaped pipe clamps 1 on the same side and the connection angle between the square pipes 9 needs to be adjusted again, the clamping plates 2 are moved in the direction away from the square pipes 9 to unlock the square pipes 9, then the square pipes 9 are moved in the direction away from the sliding rods 61, under the reset action of the compression springs 63, the sliding rods 61 drive the round toothed plates I62 to move in the direction close to the U-shaped pipe clamps 1 on the same side, so that the round toothed plates I62 and the round toothed plates II 64 respectively positioned on the two U-shaped pipe clamps 1 are separated to unlock the two U-shaped pipe clamps 1, then the connection angle between the square pipes 9 can be adjusted again, and after adjustment, the clamping plates 2 are enabled to clamp and fix the square pipes 9 in the U-shaped pipe clamps 1 again, so that the two U-shaped pipe clamps 1 can be locked with each other again.
Referring to fig. 6-9,U, a limited slip mechanism is arranged on the pipe clamp 1, the limited slip mechanism comprises a rubber wheel 71 which is rotationally connected to the bottom plate of the U-shaped pipe clamp 1, the rubber wheel 71 is located in the U-shaped pipe clamp 1, the square pipe 9 is tightly attached to the rubber wheel 71 when being clamped and fixed in the U-shaped pipe clamp 1 by the clamping plate 2, two side plates of the U-shaped pipe clamp 1 are hinged with swinging plates 72, a torsion spring I73 is connected between the swinging plates 72 and the U-shaped pipe clamp 1, the right side of the swinging plates 72 is rotationally connected with clamping plates 74 used for clamping the square pipe 9, the two clamping plates 74 are in contact, a torsion spring II 75 is connected between the clamping plates 74 and the swinging plates 72, the manufacturing material of the clamping plates 74 is rubber, one side of the two clamping plates 74, which are close to each other is provided with rough textures, the rubber material clamping plates 74 with rough textures can increase the friction force between the square pipe 9, the square pipe 9 is firmly clamped by the clamping plates, the clamping plates 74 with the rough textures can simultaneously avoid hard loss of the surfaces of the square pipe 9, a pressing assembly is arranged on the U-shaped pipe clamp 1, the pressing assembly comprises two rotating shafts 76 which are respectively connected to the two rotating shafts 76 and 76, the two eccentric bevel gears 76 are respectively connected to the two rotating shafts 76 and 76, 76 are respectively arranged on the two eccentric shafts 76, and 76 are respectively, and 76 are in contact with two eccentric shafts 76.
The two swinging plates 72 are pushed to drive the two clamping plates 74 to be far away from each other, the torsion spring I73 is compressed along with the two clamping plates, then the square tube 9 is placed into the U-shaped tube clamp 1, the swinging plates 72 are loosened, under the reset action of the torsion spring I73, the two swinging plates 72 drive the two clamping plates 74 to be close to each other to clamp the square tube 9, the clamping plates 74 can be kept tightly attached to the side walls of the square tube 9 through the torsion spring II 75, and therefore the square tube 9 can be clamped and fixed in the U-shaped tube clamp 1 more firmly through the cooperation of the clamping plates 2 and the clamping plates 74; and square pipe 9 is pressed from both sides tightly with rubber wheel 71 when fixing in U-shaped pipe clamp 1 by clamping plate 2 clamp, and erect perpendicular to ground and along with the increase of live time at U-shaped pipe clamp 1, clamping plate 2 and square pipe 9, when the condition that clamping plate 2 and square pipe 9 take place not hard up appears, square pipe 9 moves down under the effect of its gravity in order to promote rubber wheel 71 rotation, rubber wheel 71 rotates and drives pivot 76 through bevel gear group 78 and rotate, thereby make two eccentric wheels 77 rotate to respectively with two swing plates 72 contact and oppress two swing plates 72 and be close to each other, so can increase the clamping force to square pipe 9, improve the spacing effect of clamp to square pipe 9, in order to avoid square pipe 9 to drop from the interior whereabouts of U-shaped pipe clamp 1, thereby can improve stability and security.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. A limiting device for facilitating square tube connection is characterized by comprising a U-shaped tube clamp (1), wherein the U-shaped tube clamp (1) consists of a bottom plate and side plates symmetrically arranged on two sides of the bottom plate, an inner threaded cylinder (4) is arranged on the outer walls of the two side plates of the U-shaped tube clamp (1), a screw rod (3) is connected with the inner threads of the inner threaded cylinder (4), clamping plates (2) capable of sliding on the two side plates of the U-shaped tube clamp (1) are rotationally connected between the two screw rods (3), the clamping plates (2) are used for fastening square tubes (9) in the U-shaped tube clamp (1), a combined connection mechanism is arranged on the outer wall of the bottom plate of the U-shaped tube clamp (1), the combined connection mechanism comprises an annular slide rail (51) and a circular ring (54) which are connected to the outer wall of the bottom plate of the U-shaped tube clamp (1), annular slide rail (51) is internally connected with an annular slide block (52), two L-shaped inserting rods (53) are symmetrically connected to the outer wall of the bottom plate of the U-shaped tube clamp (1) by taking the circular ring (54) as a center, two clamping blocks I (55) are symmetrically connected to the outer wall of the bottom plate of the U-shaped tube clamp (1) and two clamping blocks I (55) are provided with locking grooves 551), the locking component on the first U-shaped pipe clamp (1) is used for locking the L-shaped inserting rod (53) on the second U-shaped pipe clamp (1) in the clamping groove I (551) of the clamping block I (55) on the first U-shaped pipe clamp (1), and the locking component on the second U-shaped pipe clamp (1) is used for locking the L-shaped inserting rod (53) on other U-shaped pipe clamps (1) except the first U-shaped pipe clamp in the clamping groove I (551) of the clamping block I (55) on the second U-shaped pipe clamp (1);
The locking assembly comprises two guide rails (56) connected to the outer wall of a bottom plate of the U-shaped pipe clamp (1), the two guide rails (56) are symmetrical in the axial direction of the circular ring (54) and are respectively close to two clamping blocks I (55), sliding plates (57) capable of moving in the directions away from and close to the clamping blocks I (55) are connected in the guide rails (56), clamping blocks II (58) are connected to one side, close to the clamping blocks I (55), of each sliding plate (57), clamping grooves II (581) clamped with L-shaped inserting rods (53) are formed in the clamping blocks II (58), the clamping grooves II (581) in the clamping blocks II (58) are perpendicular to clamping grooves I (551) in the clamping blocks I (55), supporting springs (59) are connected between the sliding plates (57) and the guide rails (56), and pull rods (510) are connected between the two sliding plates (57);
An angle locking mechanism is arranged on the bottom plate of the U-shaped tube clamp (1), the angle locking mechanism comprises a circular toothed plate I (62) which is connected onto the bottom plate of the U-shaped tube clamp (1) in a sliding manner through a sliding rod (61), the circular toothed plate I (62) is positioned in a circular ring (54), a compression spring (63) is sleeved on the sliding rod (61), the compression spring (63) is connected with the sliding rod (61) and the U-shaped tube clamp (1), a circular toothed plate II (64) is connected onto the outer wall of the bottom plate of the U-shaped tube clamp (1), the circular toothed plate II (64) is positioned in an annular sliding rail (51), when the first U-shaped tube clamp (1) and the second U-shaped tube clamp (1) are assembled together, the circular toothed plate I (62) on the first U-shaped tube clamp (1) and the circular toothed plate II (64) on the second U-shaped tube clamp (1) are aligned, when the clamping plate (2) on the first U-shaped tube clamp (1) is clamped and fixed in the first U-shaped tube clamp (1), the square tube (9) is pushed by the clamping plate II (64) on the first U-shaped tube clamp (1) to push the first U-shaped tube clamp (1) to move away from the first U-shaped tube clamp (1) in the direction of the first U-shaped tube clamp (1), therefore, when the circular toothed plate I (62) on the first U-shaped tube clamp (1) is meshed with the circular toothed plate II (64) on the second U-shaped tube clamp (1) so as to mutually lock the first U-shaped tube clamp (1) and the second U-shaped tube clamp (1), and when the second U-shaped tube clamp (1) and other U-shaped tube clamps (1) except the first U-shaped tube clamp are assembled together, the circular toothed plate I (62) on the second U-shaped tube clamp (1) and the circular toothed plate II (64) on the other U-shaped tube clamps (1) except the first U-shaped tube clamp are aligned, and when the square tube (9) is clamped and fixed in the second U-shaped tube clamp (1) by the clamping plate (2) on the second U-shaped tube clamp (1), the square tube (61) on the second U-shaped tube clamp (1) pushes the toothed plate I (62) on the second U-shaped tube clamp (1) to be far away from the circular toothed plate II (62) on the second U-shaped tube clamp (1) so as to mutually lock the circular toothed plate I (1) and the other U-shaped tube clamps (1) except the first U-shaped tube clamp (1).
2. The limiting device for facilitating square tube connection according to claim 1, wherein the side surface of the clamping plate (2) for clamping the square tube (9) is arranged in a V shape.
3. A stop device for facilitating square tube connection according to claim 1, characterized in that the side of the clamping block ii (58) facing away from the U-shaped tube clamp (1) is an inclined surface.
4. The limiting device for facilitating square tube connection according to claim 1, wherein the anti-slip mechanism comprises a rubber wheel (71) rotatably connected to a bottom plate of the U-shaped tube clamp (1), the square tube (9) is tightly attached to the rubber wheel (71) when being clamped and fixed in the U-shaped tube clamp (1) by the clamping plate (2), swing plates (72) are hinged to two side plates of the U-shaped tube clamp (1), torsion springs I (73) are connected between the swing plates (72) and the U-shaped tube clamp (1), clamping plates (74) for clamping the square tube (9) are rotatably connected to the swing plates (72), torsion springs II (75) are connected between the clamping plates (74) and the swing plates (72), a pressing assembly is arranged on the U-shaped tube clamp (1), and when the clamping plates (2) and the square tube (9) are vertically loosened in the ground, the square tube (9) moves downwards to push the rubber wheel (71) to rotate so as to drive the pressing assembly to work, and the pressing assembly can be close to each other.
5. The limiting device for facilitating square tube connection according to claim 4, wherein the pressing assembly comprises two rotating shafts (76) which are respectively connected to two side plates of the U-shaped tube clamp (1) in a rotating mode, the two rotating shafts (76) are respectively located on the outer sides of the two swinging plates (72), eccentric wheels (77) are connected to the rotating shafts (76), the two eccentric wheels (77) can respectively contact the two swinging plates (72) in a rotating mode and press the two swinging plates (72) to be close to each other, and bevel gear groups (78) are connected between the rotating shafts (76) and the rubber wheels (71).
6. The limiting device for facilitating square tube connection according to claim 4, wherein the clamping plates (74) are made of rubber, and rough textures are arranged on one side of the two clamping plates (74) close to each other.
7. The limiting device for facilitating square tube connection according to claim 1, wherein the side surface of the clamping plate (2) for clamping the square tube (9) is connected with a V-shaped rubber pad (8), and a rough texture is arranged on one side of the V-shaped rubber pad (8) opposite to the clamping plate (2).
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| CN202410325440.8A CN117948461B (en) | 2024-03-21 | 2024-03-21 | Stop device for square tube connection of being convenient for |
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| CN202410325440.8A CN117948461B (en) | 2024-03-21 | 2024-03-21 | Stop device for square tube connection of being convenient for |
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| CN117948461B true CN117948461B (en) | 2024-06-21 |
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| US9808929B2 (en) * | 2013-06-13 | 2017-11-07 | The Wooster Brush Company | Tool holder |
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| CN210770668U (en) * | 2019-10-31 | 2020-06-16 | 中国航发商用航空发动机有限责任公司 | Shaft wheel type clamp assembly |
| CN215762645U (en) * | 2021-09-26 | 2022-02-08 | 济南方圆制管有限公司 | Steel construction rectangular pipe connects locking structure |
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| CN202884254U (en) * | 2012-10-10 | 2013-04-17 | 东风汽车股份有限公司 | Adjustable fixed pipe clamp |
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| CN108750655A (en) * | 2018-07-25 | 2018-11-06 | 武汉中智德远科技开发有限公司 | A kind of welding shop steel plate carrying clamping device |
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| CN117948461A (en) | 2024-04-30 |
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