阅读说明：本技术 一种新型可改变方向式电缆管伸缩接头及其使用方法 (Novel direction-changeable cable pipe expansion joint and use method thereof ) 是由 刘英华 姜世跃 朱齐丹 孙辉 李兴雷 刘志勇 余坤 宁翠莲 黄文专 王晓琳 王强 于 2021-06-16 设计创作，主要内容包括：本发明公开了一种新型可改变方向式电缆管伸缩接头及其使用方法,包括固定管,固定管的内壁之间固定连接有对接管,对接管的两端分别设置有第一连接机构和第二连接机构,第一连接机构包括限位板和连接部件,限位板通过螺栓固定连接于固定管的顶部,连接部件设置于限位板内,第二连接机构包括固定圈、转动部件和弹性管,通过转动钮转使啮齿圈转动,带动固定齿轮转动带动T形调节杆改变角度,第二连接管在转动套中转动,方便工作人员对电缆方向进行改变,通过移动杆在安装管中滑动,再通过移动弹簧和固定弹簧的回弹,使移动杆恢复原状,减少震动对伸缩接头的损伤,通过转动螺纹杆,推动推动板移动,对伸缩接头固定,增加了伸缩接头连接的紧密性。(The invention discloses a novel direction-changeable cable pipe expansion joint and a use method thereof, the direction-changeable cable pipe expansion joint comprises a fixed pipe, a butt joint pipe is fixedly connected between the inner walls of the fixed pipe, a first connecting mechanism and a second connecting mechanism are respectively arranged at the two ends of the butt joint pipe, the first connecting mechanism comprises a limiting plate and a connecting part, the limiting plate is fixedly connected to the top of the fixed pipe through a bolt, the connecting part is arranged in the limiting plate, the second connecting mechanism comprises a fixed ring, a rotating part and an elastic pipe, the rotating button rotates to enable the engaging ring to rotate, the fixed gear is driven to rotate to drive a T-shaped adjusting rod to change the angle, the second connecting pipe rotates in a rotating sleeve, a worker can conveniently change the direction of a cable, the moving rod slides in the installation pipe and then rebounds through a moving spring and a fixed spring to enable the moving rod to recover the original state, and damage of vibration to the expansion joint is reduced, through rotating the threaded rod, promote the slurcam and remove, it is fixed to expansion joint, has increased the compactness that expansion joint connects.)

1. The utility model provides a novel can change direction formula cable pipe expansion joint which characterized in that includes:

the butt joint pipe comprises a fixed pipe (1), wherein a butt joint pipe (2) is fixedly connected between the inner walls of the fixed pipe (1), a first connecting mechanism (4) and a second connecting mechanism (5) are respectively arranged at two ends of the butt joint pipe (2), the first connecting mechanism (4) comprises a limiting plate (402) and a connecting part, the limiting plate (402) is fixedly connected to the top of the fixed pipe (1) through bolts, the connecting part is arranged in the limiting plate (402), the second connecting mechanism (5) comprises a fixing ring (503), a rotating part and an elastic pipe (504), the fixing ring (503) is arranged on the rotating part, the elastic pipe (504) is arranged on the fixing ring (503), and the rotating part is arranged on the butt joint pipe (2); and

adjustment mechanism (8), adjustment mechanism (8) are provided with two sets ofly, two adjustment mechanism (8) all include T shape regulating rod (806), regulating box (801) and adjusting part, two the equal fixed connection in the top of retainer plate (503) of regulating box (801), two T shape regulating rod (806) rotates respectively and connects in two regulating box (801), two adjusting part sets up respectively in two regulating box (801).

2. The new and useful cable duct expansion joint of claim 1, wherein: adapting unit includes first connecting pipe (401) and connector (403), interior table wall of locating limiting plate (402) is inlayed in first connecting pipe (401), the top fixed connection in the bottom of first connecting pipe (401) of connector (403), the inside of locating butt joint pipe (2) is inserted to the bottom of connector (403).

3. The new and useful cable duct expansion joint of claim 1, wherein: the rotating part comprises a second connecting pipe (501), a rotating sleeve (502) and a fixing ring (503), the top end of the second connecting pipe (501) is inserted into the butt joint pipe (2), the bottom end of the second connecting pipe (501) is rotatably connected into the rotating sleeve (502), and the outer surface of the rotating sleeve (502) is sleeved with the fixing ring (503).

4. The new and useful cable duct expansion joint of claim 1, wherein: two sets of regulating part all includes rotation button (802), rodent circle (803), fixed gear (804) and rotating gear (805), two the one end of rotating button (802) is rotated respectively and is connected in one side surface of two regulating box (801), two the inside of two rotation button (802) is inlayed respectively to nibbling ring gear (803), two the one end of fixed gear (804) and rotating gear (805) is rotated respectively and is connected in one side of two regulating box (801), two the one end of fixed gear (804) and the one end fixed connection respectively of two T shape regulating rod (806), and two rotating gear (805) and two fixed gear (804) intermeshing respectively, two rotating gear (805) and two ring gear intermeshing (803) intermeshing respectively.

5. The new and useful cable duct expansion joint of claim 1, wherein: the surface cover of butt joint pipe (2) is equipped with mounting panel (3), the top and the bottom of mounting panel (3) all are provided with two sets of damper (7), every group damper (7) all are provided with four, and every group is four damper (7) all include installation pipe (701), carriage release lever (704) and shock attenuation part, wherein four the top of carriage release lever (704) slides respectively and inlays the bottom of locating installation pipe (701), four in addition the bottom of carriage release lever (704) slides respectively and inlays the top of locating installation pipe (701), every shock attenuation part all sets up in eight installation pipes (701).

6. The new and useful cable duct expansion joint of claim 5, wherein: each damping component comprises a fixed spring (702), a telescopic rod (703) and a movable spring (705), each movable spring (705) is respectively and fixedly connected between the mounting plate (3) and the eight mounting pipes (701), each movable spring (705) is respectively sleeved on the outer surfaces of the eight movable rods (704), each telescopic rod (703) and the fixed spring (702) are respectively and fixedly connected between the eight mounting pipes (701) and the eight movable rods (704), and each fixed spring (702) is respectively sleeved on the outer surfaces of the eight telescopic rods (703).

7. The new and useful cable duct expansion joint of claim 1, wherein: still include four fixed establishment (6), four fixed establishment (6) divide into two sets ofly altogether, and every group is two fixed establishment (6) all include fixed block (602), pushing part and two extrusion parts, every two of group the equal fixed connection in the inner wall of fixed pipe (1) of fixed block (602), every four of group pushing part sets up respectively on four fixed block (602), four of every group extrusion parts sets up respectively on four pushing part.

8. The new and useful cable duct expansion joint of claim 7, wherein: each pushing component comprises a pushing plate (601) and threaded rods (606), one end of each group of two threaded rods (606) is respectively and rotatably connected to the outer surface of one side of each of the four pushing plates (601), and each group of two threaded rods (606) is respectively in threaded connection with the four fixing blocks (602).

9. The new and useful cable duct expansion joint of claim 8, wherein: each extrusion component comprises two connecting plates (604), connecting springs (605) and two connecting blocks (603), each group of eight connecting blocks (603) is respectively positioned between four pushing plates (601) and four fixing blocks (602), two ends of each group of eight connecting plates (604) are respectively and rotatably connected between each group of eight connecting blocks (603), wherein the eight connecting plates (604) are respectively and fixedly connected with one sides, opposite to the four pushing plates (601), of the eight connecting plates, and the other eight connecting plates (604) are respectively and fixedly connected with one sides, opposite to the four fixing blocks (602).

10. A method for using a novel direction-changeable cable tube expansion joint, which is characterized in that the novel direction-changeable cable tube expansion joint of any one of claims 1-9 is used, and comprises the following steps:

s1, connecting and fixing a joint: fixing bolts into four mounting tubes (701) through limiting plates (402), fixing a first connecting mechanism (4) into the butt joint tube (2), fixing a second connecting mechanism (5) onto the other four mounting tubes (701) through the bolts, fixing the second connecting mechanism (5) into the butt joint tube (2), and pushing a pushing plate (601) to move by rotating a threaded rod (606);

s2, angle adjustment: the rotating gear (805) is driven to rotate by twisting the rotating button (802), so that the fixed gear (804) is driven to rotate, the angle of the T-shaped adjusting rod (806) is driven to change, at the moment, the second connecting pipe (501) rotates in the rotating sleeve (502), and the elastic pipe (504) changes;

s3, shock absorption protection: the movable rod (704) is pushed to restore to the original state by the rebound of the movable spring (705) and the fixed spring (702) through the expansion and contraction of the telescopic rod (703) and the fixed spring (702) by the sliding of the movable rod (704) in the installation pipe (701).

Technical Field

The invention belongs to the technical field of cable pipe expansion joints, and particularly relates to a novel direction-changeable cable pipe expansion joint and a use method thereof.

Background

The expansion joint is a new product of equipment such as a pump, a valve, a pipeline and the like connected with the pipeline, is connected by the full bolt to form a whole, has certain displacement, is convenient to install and can bear the axial pressure of the pipeline, so that the expansion joint can be adjusted according to the field installation size during installation and maintenance, not only improves the working efficiency during working, but also plays a certain protection role in the pipeline equipment such as the pump, the valve and the like, can be adjusted according to the field installation size, can transmit the axial thrust to the whole pipeline system during working, not only improves the working efficiency, but also plays a certain protection role in the pipeline equipment such as the pump, the valve and the like, has large expansion amount of the pipeline, high bearing temperature and strong stress area, the expansion joint can axially expand and contract within a certain range, overcomes various angular displacements, decentration, expansion and expansion of the pipeline, and has a limiting effect once the maximum expansion amount is exceeded, so that the safe operation of the pipeline is ensured.

The current cable pipe expansion joint changes changeable angle less, often need the redirecting in the cable pipe actual installation, current partial cable pipe expansion joint can't realize the wide-angle and change, thereby it is inconvenient to bring for staff's installation work, current partial cable pipe expansion joint often receives the influence of vibrations etc. in the in-service use, make expansion joint appear deforming, lead to expansion joint to appear damaging, current partial expansion joint fixes through the bolt in the in-service installation, long-term the use, can appear screw looseness scheduling problem, lead to the connector junction to connect inseparably, the protective force to the cable weakens.

Disclosure of Invention

The invention aims to: the rotating button is rotated to drive the meshing gear ring to rotate, so as to drive the rotating gear to rotate, the fixed gear is driven to rotate through meshing between the gears, the T-shaped adjusting rod is driven to change the angle, meanwhile, the second connecting pipe rotates in the rotating sleeve, so as to change the direction of the telescopic joint, and a worker can conveniently change the direction of a cable, when the joint of the connector is vibrated, the movable spring is extruded in the installation pipe in a sliding manner through the movable rod, the telescopic rod and the fixed spring are extruded, the movable rod is restored to the original state through resilience of the movable spring and the fixed spring, so that the telescopic joint is stretched, the damping effect is achieved at the same time, the damage of vibration to the telescopic joint is reduced, the threaded rod is rotated to drive the push plate to move, at the moment, the connecting plate moves through the threaded rod, and the push plate stably moves through the elasticity of the connecting spring, the function of fixing the joint of the telescopic connector is realized, and the connection tightness of the telescopic connector is increased.

The technical scheme adopted by the invention is as follows: a novel cable duct expansion joint capable of changing direction, comprising: the butt joint pipe is fixedly connected between the inner walls of the fixed pipes, a first connecting mechanism and a second connecting mechanism are respectively arranged at two ends of the butt joint pipe, the first connecting mechanism comprises a limiting plate and a connecting part, the limiting plate is fixedly connected to the top of the fixed pipe through a bolt, the connecting part is arranged in the limiting plate, the second connecting mechanism comprises a fixing ring, a rotating part and an elastic pipe, the fixing ring is arranged on the rotating part, the elastic pipe is arranged on the fixing ring, and the rotating part is arranged on the butt joint pipe; and the adjusting mechanism is provided with two groups, the adjusting mechanism comprises T-shaped adjusting rods, adjusting boxes and adjusting parts, the adjusting boxes are fixedly connected to the top of the fixing ring, the T-shaped adjusting rods are rotatably connected to the two adjusting boxes respectively, and the adjusting parts are arranged in the two adjusting boxes respectively.

Wherein, adapting unit includes first connecting pipe and connector, first connecting pipe inlays the interior table wall of locating the limiting plate, the top fixed connection of connector is in the bottom of first connecting pipe, the inside of locating the butt joint pipe is inserted to the bottom of connector.

The rotating component comprises a second connecting pipe, a rotating sleeve and a fixing ring, the top end of the second connecting pipe is inserted into the butt joint pipe, the bottom end of the second connecting pipe is rotatably connected into the rotating sleeve, and the outer surface of the rotating sleeve is sleeved with the fixing ring.

Wherein, two sets of regulating part is all including rotating the button, meshing ring gear, fixed gear and rotating gear, two the one end of rotating the button rotates respectively and connects in one side surface of two regulating cabinets, two the meshing ring inlays respectively and locates two inside of rotating the button, two fixed gear rotates respectively with rotating gear's one end and connects in one side of two regulating cabinets, two fixed gear's one end and the one end of two T shape regulating levers fixed connection respectively, and two rotating gear and two fixed gear intermeshing respectively, two rotating gear and two meshing ring intermeshing respectively.

Wherein, the surface cover of butt joint pipe is equipped with the mounting panel, the top and the bottom of mounting panel all are provided with two sets of damper, every group damper all is provided with four, four in every group damper all including installation pipe, carriage release lever and shock attenuation part, four of them the top of carriage release lever slides respectively inlays the bottom of locating the installation pipe, four in addition the bottom of carriage release lever slides respectively inlays the top of locating the installation pipe, every the shock attenuation part all sets up in eight installation intraductally.

Wherein, every the shock attenuation part all includes fixed spring, telescopic link and removal spring, every remove spring fixed connection respectively between mounting panel and eight installation pipes, every remove the spring and overlap respectively and locate the surface of eight carriage release levers, every telescopic link and fixed spring fixed connection respectively between eight installation pipes and eight carriage release levers, every the fixed spring overlaps respectively and locates the surface of eight telescopic links.

Wherein, still include fixed establishment, fixed establishment divide into two sets ofly altogether, every group fixed establishment is provided with two altogether, every two of group fixed establishment all includes fixed block, pushing part and two extrusion parts, two of every group the equal fixed connection of fixed block in the inner wall of fixed pipe, four of every group pushing part sets up respectively on four fixed blocks, four of every group extrusion parts set up respectively on four pushing part.

Wherein, every the promotion part all includes slurcam and threaded rod, every group two the one end of threaded rod rotates respectively to be connected in one side surface of four slurcams, every group two the threaded rod respectively with four fixed block threaded connection.

Each extrusion part comprises two connecting plates, connecting springs and two connecting blocks, each group of eight connecting blocks are respectively positioned between four pushing plates and four fixed blocks, two ends of each group of eight connecting plates are respectively and rotatably connected between the eight connecting blocks, eight connecting plates are respectively and fixedly connected with one sides of the four pushing plates opposite to each other, and the other eight connecting plates are respectively and fixedly connected with one sides of the four fixed blocks opposite to each other

The use method of the novel direction-changeable cable pipe expansion joint comprises the following steps:

s1, connecting and fixing a joint: the bolts penetrate through the limiting plates to be fixed into four installation tubes, the first connecting mechanism is fixed into the butt joint tube, the second connecting mechanism is fixed onto the other four installation tubes through the bolts, the second connecting mechanism is fixed into the butt joint tube, and the pushing plate is pushed to move through rotating the threaded rod;

s2, angle adjustment: the rotating button is twisted to drive the rotating gear to rotate, so that the fixed gear is driven to rotate, the angle of the T-shaped adjusting rod is driven to change, the second connecting pipe rotates in the rotating sleeve, and the elastic pipe changes;

s3, shock absorption protection: through the carriage release lever slip in the installation pipe, telescopic link and fixed spring's flexible, through the resilience of movable spring and fixed spring, promote the carriage release lever reconversion.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

(1) according to the invention, the meshed gear ring is driven to rotate by rotating the rotating button, so that the rotating gear is driven to rotate, the fixed gear is driven to rotate by meshing between the gears, the T-shaped adjusting rod is driven to change the angle, and meanwhile, the telescopic joint is changed by rotating the second connecting pipe in the rotating sleeve, so that the cable direction is conveniently changed by a worker.

(2) According to the invention, when the joint of the connector is vibrated, the movable spring is extruded in the installation pipe in a sliding manner through the movable rod, the telescopic rod and the fixed spring are extruded, and the movable rod is restored to the original state through the resilience of the movable spring and the fixed spring, so that the telescopic joint is telescopic, the damping effect is achieved, and the damage of vibration to the telescopic joint is reduced.

(3) According to the telescopic connector, the threaded rod is rotated to drive the push plate to move, the connecting plate moves through the threaded rod, and the push plate stably moves due to the elasticity of the connecting spring, so that the function of fixing the joint of the telescopic connector is realized, and the connection tightness of the telescopic connector is improved.

Drawings

FIG. 1 is a front perspective view of the present invention;

FIG. 2 is a side perspective view of the present invention;

FIG. 3 is a front exploded view of the present invention;

FIG. 4 is a partial cross-sectional view of the present invention;

FIG. 5 is an exploded view of the securing mechanism of the present invention;

FIG. 6 is an enlarged view of portion A of the present invention;

FIG. 7 is a partial cross-sectional view of the shock absorbing mechanism of the present invention;

FIG. 8 is an enlarged view of portion B of the present invention;

FIG. 9 is an exploded view of the shock absorbing mechanism of the present invention;

FIG. 10 is a front cross-sectional view of the adjustment mechanism of the present invention;

fig. 11 is an exploded view of the adjustment mechanism of the present invention.

The labels in the figure are: 1. a fixed tube; 2. butt-joint pipes; 3. mounting a plate; 4. a first connecting mechanism; 401. a first connecting pipe; 402. a limiting plate; 403. a connector; 5. a second connecting mechanism; 501. a second connecting pipe; 502. rotating the sleeve; 503. a stationary ring; 504. an elastic tube; 6. a fixing mechanism; 601. a push plate; 602. a fixed block; 603. connecting blocks; 604. a connecting plate; 605. a connecting spring; 606. a threaded rod; 7. a damping mechanism; 701. installing a pipe; 702. fixing the spring; 703. a telescopic rod; 704. a travel bar; 705. a movable spring; 8. an adjustment mechanism; 801. an adjusting box; 802. a knob is rotated; 803. meshing the gear ring; 804. fixing a gear; 805. a rotating gear; 806. t-shaped adjusting rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Embodiment one, referring to fig. 10, 11 and 1-3: a novel cable duct expansion joint capable of changing direction, comprising: the device comprises a fixed pipe 1, a butt joint pipe 2 is fixedly connected between the inner walls of the fixed pipe 1, two ends of the butt joint pipe 2 are respectively provided with a first connecting mechanism 4 and a second connecting mechanism 5, the fixed pipe 1 and the butt joint pipe 2 are arranged for installing and fixing the first connecting mechanism 4 and the second connecting mechanism 5, the first connecting mechanism 4 comprises a limiting plate 402 and a connecting part, the limiting plate 402 is fixedly connected to the top of the fixed pipe 1 through a bolt, the connecting part is arranged in the limiting plate 402, the limiting plate 402 is arranged for positioning the first connecting mechanism 4, the connecting part is used for fixing the fixed pipe 1, the second connecting mechanism 5 comprises a fixed ring 503, a rotating part and an elastic pipe 504, the fixed ring 503 is arranged on the rotating part, the elastic pipe 504 is arranged on the fixed ring 503, the rotating part is arranged on the butt joint pipe 2, the fixed ring 503 is arranged for supporting, and the rotating part is used for angle adjustment, the arrangement of the elastic pipe 504 can enable the pipeline to be in a sealed state, two groups of adjusting mechanisms 8 are arranged, each two groups of adjusting mechanisms 8 comprises a T-shaped adjusting rod 806, an adjusting box 801 and adjusting parts, each two adjusting boxes 801 are fixedly connected to the top of the fixing ring 503, the two T-shaped adjusting rods 806 are respectively rotatably connected into the two adjusting boxes 801, the two adjusting parts are respectively arranged in the two adjusting boxes 801, the adjusting boxes 801 are arranged to protect the joints of the T-shaped adjusting rods 806, the T-shaped adjusting rods 806 are arranged to adjust the angles, the adjusting parts provide rotating force for the T-shaped adjusting rods 806, each connecting part comprises a first connecting pipe 401 and a connecting head, the limiting plate 402 is sleeved on the outer surface of the first connecting pipe 401, the top end of the connecting head 403 is fixedly connected to the bottom end of the first connecting pipe 401, the bottom end of the connecting head 403 is inserted into the butt joint pipe 2, one end of the first connecting pipe 401 is used for connecting a cable pipe, the other end is used for connecting the connector 403, the outer surface of the connector 403 is provided with a protrusion, which can increase the tightness during connection, meanwhile, the connector 403 is positioned in a half of the inner part of the butt joint pipe 2, which increases the connection effect, the rotating component comprises a second connecting pipe 501, a rotating sleeve 502 and a fixing ring 503, the top end of the second connecting pipe 501 is inserted in the butt joint pipe 2, the bottom end of the second connecting pipe 501 is rotatably connected in the rotating sleeve 502, the fixing ring 503 is sleeved on the outer surface of the rotating sleeve 502, the top end of the second connecting pipe 501 is similar to the connector 403 and is arranged in the other half of the inner part of the butt joint pipe 2, the bottom of the second connecting pipe 501 is spherical, which is convenient to rotate, the top end of the rotating sleeve 502 is provided with a groove conforming to the second connecting pipe 501 for installing the second connecting pipe 501, the fixing ring 503 is arranged for supporting the adjusting mechanism 8, the two groups of adjusting components comprise rotating buttons 802, meshed gear rings 803, fixed gears 804 and rotating gears 805, one ends of the two rotating buttons 802 are respectively and rotatably connected to the outer surfaces of one sides of the two adjusting boxes 801, the rotating buttons 802 are used for providing rotating force, the two meshed gear rings 803 are respectively embedded inside the two rotating buttons 802, the meshed gear rings 803 are arranged for meshing linkage, one ends of the two fixed gears 804 and one ends of the rotating gears 805 are respectively and rotatably connected to one sides of the two adjusting boxes 801, one ends of the two fixed gears 804 are respectively and fixedly connected with one ends of the two T-shaped adjusting rods 806, the two rotating gears 805 are respectively and mutually meshed with the two fixed gears 804, the two rotating gears 805 are respectively and mutually meshed with the two meshed gear rings 803, the transmission of the rotating force is realized through the mutual meshing of the fixed gears 804 and the rotating gears 805, and the angle for driving the T-shaped adjusting rods 806 is changed, the angle change of the telescopic connector is realized.

Referring to FIGS. 7-9: the outer surface cover of butt joint pipe 2 is equipped with mounting panel 3, the setting of mounting panel 3 is used for supporting and installing damper 7, the top and the bottom of mounting panel 3 all are provided with two sets of damper 7, every damper 7 of group all is provided with four, four dampers 7 of every group all include installation pipe 701, carriage release lever 704 and shock attenuation part, the top of installation pipe 701 is used for practising connecting bolt, can damper 7 install in fixed pipe 1, and the one end of installation pipe 701 has seted up the mounting groove, be used for inlaying carriage release lever 704, wherein the top of four carriage release levers 704 is slided respectively and is inlayed in the bottom of installation pipe 701, the bottom of four carriage release levers 704 is slided respectively and is inlayed in the top of installation pipe 701, every shock attenuation part all sets up in eight installation pipes 701, can make carriage release lever 704 reconversion fast through the setting up of shock attenuation part, play absorbing effect, every shock attenuation part all includes fixed spring 702, mounting mechanism 7, Telescopic link 703 and removal spring 705, every removal spring 705 is fixed connection respectively between mounting panel 3 and eight installation pipes 701, the setting of removal spring 705 is used for playing certain holding power to removal pole 704, the surface of eight removal poles 704 is located to every removal spring 705 cover respectively, every telescopic link 703 and fixed spring 702 are fixed connection respectively between eight installation pipes 701 and eight removal poles 704, the surface of eight telescopic links 703 is located to every fixed spring 702 cover respectively, the setting of telescopic link 703 is used for carrying on spacingly to fixed spring 702, can make telescopic link 703 restore the original state fast through the elasticity of fixed spring 702 simultaneously, play absorbing effect.

Referring to FIGS. 3-6: the device also comprises four fixing mechanisms 6, the four fixing mechanisms 6 are divided into two groups, the fixing mechanisms 6 are arranged to increase the connection tightness between the telescopic connectors, each two fixing mechanisms 6 comprise a fixing block 602, a pushing part and two extrusion parts, each two fixing blocks 602 are fixedly connected to the inner wall of the fixed pipe 1, each four pushing parts are respectively arranged on the four fixing blocks 602, each four extrusion parts are respectively arranged on the four pushing parts, the fixing blocks 602 are arranged for connection and fixation, the pushing parts are arranged for movement, the extrusion parts are arranged for limiting and stabilizing, each pushing part comprises a pushing plate 601 and a threaded rod 606, one end of each two threaded rods 606 is respectively rotatably connected to the outer surface of one side of the four pushing plates 601, and each two threaded rods 606 are respectively in threaded connection with the four fixing blocks 602, the threaded rod 606 is arranged, the function of pushing the pushing plate 601 to move can be realized by rotating the threaded rod 606, the outer surface of one side of the pushing plate 601 conforms to the shape of the butt joint pipe 2 and is used for extruding the butt joint pipe 2 to fix the joint, each extruding component comprises two connecting plates 604, a connecting spring 605 and two connecting blocks 603, each group of eight connecting blocks 603 is respectively positioned between four pushing plates 601 and four fixed blocks 602, two ends of each group of eight connecting plates 604 are respectively and rotatably connected between each group of eight connecting blocks 603, wherein the eight connecting plates 604 are respectively and fixedly connected with one side opposite to the four pushing plates 601, the other eight connecting plates 604 are respectively and fixedly connected with one side opposite to the four fixed blocks 602, the middle parts of the connecting plates 604 are rotatably connected, the connecting springs 605 are arranged to push the angle change between the connecting plates 604, and the connecting blocks 603 are used for fixing the two connecting plates 604, the two connecting plates 604 are integrated to limit the push plate 601, so that the push plate 601 can move stably.

When the device is used, a user firstly passes through the limiting plate 402 to be fixed in four of the mounting tubes 701 by bolts, the connector 403 enters the butt joint tube 2, the limiting plate 402 and the fixed tube 1 are fixed together, then the second connecting mechanism 5 is fixed on the other four mounting tubes 701 by the bolts, the top end of the second connecting tube 501 enters the butt joint tube 2, then the fixed tube 1 is fixed on the T-shaped adjusting rod 806 by the bolts, the cable tube expansion joint is butted, the threaded rod 606 pushes the pushing plate 601 to move by rotating the threaded rod 606, the angle between the connecting plates 604 is changed by pushing the threaded rod 606, the connecting spring 605 rebounds, the pushing plate 601 is fixed to play a stabilizing role, the angle is adjusted, the rotating button 802 is twisted to drive the rotating gear 805 to rotate, so as to drive the fixed gear 804 to rotate, and simultaneously drive the angle of the T-shaped adjusting rod 806 to change, at this moment, the second connecting pipe 501 rotates in the rotating sleeve 502, the elastic pipe 504 changes, so that the direction of the cable pipe expansion joint changes, at this moment, the other T-shaped adjusting rod 806 rotates due to the change of the angle, thereby driving the fixed gear 804 to rotate, through the meshing of the rotating gear 805, the rotating gear 805 drives the meshing gear ring 803 to rotate, thereby driving the rotating button 802 to rotate, through the moving rod 704 to slide in the mounting pipe 701 to extrude the moving spring 705, through the expansion and contraction of the extruded rear telescopic rod 703 and the fixed spring 702, the moving rod 704 is pushed to restore to the original state quickly, and meanwhile, the damping effect is achieved through the rebound of the moving spring 705.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.