阅读说明：本技术 一种密封性能好的电缆保护套管连接构件 (Cable protection sleeve connecting component with good sealing performance ) 是由 刘戊堂 李明明 陈雨梦 于 2021-07-12 设计创作，主要内容包括：本发明涉及儿童游戏技术领域,且公开了一种密封性能好的电缆保护套管连接构件,包括连接套管,所述连接套管两端对称设置有固定机构,固定机构内侧安装有第一密封机构,第一密封机构内侧设置有第二密封机构,所述第二密封机构包括充气环,充气环安装在连接套管内部,充气环上密封连接有气囊,充气环与充气机构连接,充气机构与驱动机构连接,驱动机构设置在连接套管顶部中央位置,连接套管两侧壁对称设置有保护机构。本发明方便连接套管的安装拆卸,设置的第一密封机构和第二密封机构能够使得连接套管具有优良的密封性能,且能够对电缆接头出进行有效保护,本发明结构简单,操作方便,使用寿命长。(The invention relates to the technical field of children games, and discloses a cable protection sleeve connecting component with good sealing performance, which comprises a connecting sleeve, wherein fixing mechanisms are symmetrically arranged at two ends of the connecting sleeve, a first sealing mechanism is arranged at the inner side of each fixing mechanism, a second sealing mechanism is arranged at the inner side of each first sealing mechanism, each second sealing mechanism comprises an inflation ring, each inflation ring is arranged in the connecting sleeve, an air bag is hermetically connected onto each inflation ring, each inflation ring is connected with each inflation mechanism, each inflation mechanism is connected with a driving mechanism, each driving mechanism is arranged at the center of the top of the connecting sleeve, and protection mechanisms are symmetrically arranged on two side walls of the connecting sleeve. The connecting sleeve is convenient to mount and dismount, the connecting sleeve has excellent sealing performance due to the arrangement of the first sealing mechanism and the second sealing mechanism, and the cable joint can be effectively protected.)

1. The utility model provides a cable protection sleeve connecting elements that sealing performance is good, includes adapter sleeve (1), its characterized in that: connecting sleeve (1) both ends symmetry is provided with fixed establishment (2), and first sealing mechanism (3) are installed to fixed establishment (2) inboard, and first sealing mechanism (3) inboard is provided with second sealing mechanism (4), second sealing mechanism (4) are including aerifing ring (5), and it installs inside connecting sleeve (1) to aerify ring (5), and it has gasbag (6) to aerify to go up sealing connection in ring (5), aerify ring (5) and be connected with inflating mechanism (7), and inflating mechanism (7) is connected with actuating mechanism (8), and actuating mechanism (8) set up at connecting sleeve (1) top central point and put, and connecting sleeve (1) both sides wall symmetry is provided with protection mechanism (9).

2. A cable protective sleeve connecting member excellent in sealability as claimed in claim 1, wherein: fixed establishment (2) are including solid fixed ring (201), gu fixed ring (201) fixed mounting is at adapter sleeve (1) both ends, gu fixed ring (201) goes up the symmetry and is provided with screw thread mounting groove (202), threaded rod (203) are installed to screw thread in screw thread mounting groove (202), and threaded rod (203) bottom is rotated and is installed holding piece (204), and first bull stick (205) are installed on threaded rod (203) top.

3. A cable protective sleeve connecting member excellent in sealability as claimed in claim 2, wherein: first sealing mechanism (3) are including sealing ring (301), and sealing ring (301) set up at solid fixed ring (201) inboard, and sealing ring (301) inboard embedded installation has annular sealed pad (302), and sealed inside evenly distributed of pad (302) has gasket (303).

4. A cable protective sleeve connecting member excellent in sealability as claimed in claim 1, wherein: the inflation mechanism (7) comprises an inflator (701), the inflator (701) is symmetrically arranged at the top of the connecting sleeve (1), the inflator (701) is in sealing connection with the inflation ring (5), the inflator (701) is further connected with the protection mechanism (9) through an inflation tube (702), a piston (703) is arranged in the inflator (701), the tail end of the piston (703) is connected with a driving rod (704), and the driving rod (704) is connected with the driving mechanism (8).

5. The cable protective sleeve connecting member as claimed in claim 4, wherein: the driving mechanism (8) comprises a sliding rail (801), the sliding rail (801) is arranged at the top of the connecting sleeve (1), a screw rod (802) is arranged in the sliding rail (801) in a rotating mode, sliding blocks (803) are symmetrically arranged in the sliding rail (801), the sliding blocks (803) are respectively connected with the driving rods (704), the sliding blocks (803) are installed on the screw rod (802), a first driving wheel (804) is fixedly arranged at the central position of the screw rod (802), the first driving wheel (804) is in transmission connection with a second driving wheel (805), a top end connecting rod rotating rod (806) of the second driving wheel (805), a second rotating rod (807) is installed at the top end of the rotating rod (806), and a protection box (808) is arranged on the outer side of the second rotating rod (807).

6. The cable protective sleeve connecting member as claimed in claim 4, wherein: the protection mechanism (9) comprises an air cylinder (901), the air cylinder (901) is symmetrically arranged on two side walls of the connecting sleeve (1), a supporting rod (902) is installed in the air cylinder (901) in a sliding and sealing mode, the tail end of the air cylinder (901) is connected with the air inflation tube (702), a protection frame (903) is fixedly installed on the supporting rod (902), a drying bag (904) is arranged in the protection frame (903), sealing elastic cloth (905) is arranged on two sides of the protection frame (903), and a sealing ring (906) is arranged on the protection frame (903).

Technical Field

The invention relates to the technical field of children games, in particular to a cable protection sleeve connecting component with good sealing performance.

Background

The cable is widely applied in actual production and life, and the common cable is classified into a power cable, a signal cable, a fire-resistant cable and the like, which are composed of single-strand or multi-strand wires and an insulating layer and are used for connecting a circuit, an electric appliance and the like.

But present cable often can suffer rainwater erosion under soil and the open-air environment underground and lead to the joint department of cable impaired to influence the normal work of cable, and the protective case connecting piece of current cable is most the installation and dismantlement very troublesome, complex operation delays the maintenance efficiency of cable, and most because the leakproofness is relatively poor makes the junction of cable impaired once more easily, improves maintenance cost.

Aiming at the problems, the invention provides the cable protection sleeve connecting component with good sealing performance, which has the advantages of convenient assembly and disassembly, good sealing effect, strong protection effect, long service life and the like.

Disclosure of Invention

In order to solve the technical problems, the invention provides the following technical scheme:

the utility model provides a cable protection sleeve connecting elements that sealing performance is good, including adapter sleeve, adapter sleeve both ends symmetry is provided with fixed establishment, first sealing mechanism is installed to the fixed establishment inboard, first sealing mechanism inboard is provided with second sealing mechanism, second sealing mechanism is including aerifing the ring, it installs inside adapter sleeve to aerify the ring, it has the gasbag to aerify to encircle to go up sealing connection, it is connected with aerifing the mechanism to aerify the ring, it is connected with actuating mechanism to aerify the mechanism, actuating mechanism sets up at adapter sleeve top central point, adapter sleeve both sides wall symmetry is provided with protection mechanism.

Preferably, fixed establishment includes solid fixed ring, and solid fixed ring fixed mounting is provided with the screw thread mounting groove at adapter sleeve both ends on the solid fixed ring symmetry, and the threaded rod is installed to the screw thread in the screw thread mounting groove, and the supporting piece is installed in the rotation of threaded rod bottom, and first bull stick is installed on the threaded rod top.

Preferably, first sealing mechanism includes the sealing ring, and the sealing ring setting is in solid fixed ring inboard, and the inboard embedded annular sealing pad of installing of sealing ring, sealed inside evenly distributed of filling up has the gasket.

During installation, at first, the connecting sleeve is sleeved on a cable, after the cable is connected, the connecting sleeve is moved, the central position of the connecting sleeve is located at the joint of the cable, meanwhile, the joint of the cable is located at the central position of the protection mechanism, then, the connecting sleeve is fixed on the cable, through rotating a threaded rod in a thread mounting groove in the fixing mechanism, the threaded rod drives the clamping piece to descend, the clamping piece is fixed on the cable, the connecting sleeve is fixed on the cable, fixed installation of the connecting sleeve is completed, installation of the connecting sleeve is convenient to fix, an annular sealing gasket in a sealing ring in a first sealing mechanism is arranged to be in contact with the cable at the same time, a plurality of sealing gaskets on the inner side of the sealing gasket are matched, sealing connection between the two ends of the connecting sleeve and the cable is guaranteed, and the sealing performance of the connecting sleeve and the cable is guaranteed.

Preferably, the inflation mechanism comprises inflators which are symmetrically arranged at the top of the connecting sleeve, the inflators are hermetically connected with the inflation ring, the inflators are further connected with the protection mechanism through inflation tubes, pistons are arranged in the inflators, the tail ends of the pistons are connected with driving rods, and the driving rods are connected with the driving mechanism.

Preferably, the driving mechanism comprises a slide rail, the slide rail is arranged at the top of the connecting sleeve, a screw rod is rotatably arranged in the slide rail, slide blocks are symmetrically arranged in the slide rail and are respectively connected with the driving rod, the slide blocks are arranged on the screw rod, a first driving wheel is fixedly arranged at the central position of the screw rod and is in transmission connection with a second driving wheel, a rotating rod is connected to the top end of the second driving wheel, a second rotating rod is arranged at the top end of the rotating rod, and a protection box is arranged outside the second rotating rod.

When further sealing is carried out, a protection box in the driving mechanism is opened, a second rotating rod at the top end of a rotating rod in the driving mechanism is rotated, the second rotating rod rotates to drive the rotating rod to rotate, the rotating rod rotates to drive a second driving wheel to rotate, the second driving wheel acts on a first driving wheel in a rotating mode to drive a first driving wheel to rotate, the first driving wheel rotates to drive a lead screw to rotate, the lead screw rotates to drive sliding blocks to move in a sliding rail, two sliding blocks in the sliding rail are made to be away from each other, the sliding blocks move to drive a driving rod to move, the driving rod moves to drive a piston in an inflator pump to move, the piston moves to pump gas in the inflator pump into an inflation ring in the second sealing mechanism, so that an airbag in sealing connection with the inflation ring is inflated, the airbag is in sealing connection with a cable, and the sealing performance of the connection sleeve and the cable is further enhanced.

Preferably, the protection mechanism comprises an air cylinder, the air cylinder is symmetrically arranged on two side walls of the connecting sleeve, a support rod is installed in the air cylinder in a sliding and sealing mode, the tail end of the air cylinder is connected with the inflation tube, a protection frame is fixedly installed on the support rod, a drying bag is arranged in the protection frame, sealing elastic cloth is arranged on two sides of the protection frame, and a sealing ring is arranged on the protection frame.

When the inflator pump inflates the inflation ring, the gas of the inflator pump inflates into the inflator pump in the protection mechanism through the inflation tube simultaneously, the supporting rod in the inflator pump outwards moves under the action of pressure, the protection frame on the supporting rod is driven to move, the two protection frames in the connecting sleeve are mutually attached, the joint of the cable is wrapped by the two protection frames, meanwhile, the sealing elastic cloth on the two sides of the protection frame protects the two sides of the protection frame, the drying bag arranged in the protection frame guarantees that the internal environment of the protection frame is dry, and the cable joint can be further protected.

Advantageous effects

Compared with the prior art, the invention has the beneficial effects that:

1. the connecting component of the cable protective sleeve with good sealing performance is installed by firstly sheathing the connecting sleeve on a cable, moving the connecting sleeve after connecting the cable, so that the central position of the connecting sleeve is at the joint of the cable, and the joint of the cable is at the central position of the protection mechanism, then the connecting sleeve is fixed on the cable, the threaded rod in the threaded mounting groove in the fixing mechanism is rotated to drive the clamping sheet to descend so that the clamping sheet is fixed on the cable, thereby fixing the connecting sleeve on the cable, completing the fixed installation of the connecting sleeve, facilitating the installation and fixation of the connecting sleeve, meanwhile, an annular sealing gasket in a sealing ring of the first sealing mechanism is in contact with the cable, and is matched with a plurality of sealing sheets on the inner side of the sealing gasket, so that the two ends of the connecting sleeve are in sealing connection with the cable, and the sealing performance of the connecting sleeve and the cable is guaranteed.

2. When the cable protection sleeve connecting component with good sealing performance is used for further sealing, a protection box in a driving mechanism is opened, a second rotating rod at the top end of a rotating rod in the driving mechanism is rotated, the second rotating rod rotates to drive the rotating rod to rotate, the rotating rod rotates to drive a second driving wheel to rotate, the second driving wheel rotates to act on a first driving wheel to drive a first driving wheel to rotate, the first driving wheel rotates to drive a lead screw to rotate, the lead screw rotates to drive a sliding block to move in a sliding rail, so that the two sliding blocks in the sliding rail are away from each other, the sliding blocks move to drive the driving rod to move, the driving rod moves to drive the piston in the inflator pump to move, the piston moves to pump the gas in the inflator pump into the inflation ring in the second sealing mechanism, the air bag connected with the inflation ring in a sealing mode is expanded, the air bag is connected with the cable in a sealing mode, and the sealing performance of the connection sleeve and the cable is further improved.

3. This cable protection sleeve connecting elements that sealing performance is good, when the inflator pump aerifys the ring of aerifing, the gas of inflator pump is simultaneously aerifyd in the inflator pump through the inflation tube to protection mechanism, make the bracing piece in the inflator pump outwards remove under the pressure effect, thereby it removes to drive the bearer bar on the bracing piece, make two bearer bars in the adapter sleeve laminate each other, make two bearer bars wrap up the joint department of cable, the sealed elasticity cloth of bearer bar both sides is protected the bearer bar both sides simultaneously, the dry package that sets up in the bearer bar guarantees that the inside environment of bearer bar is dry, can carry out further protection to cable joint department.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

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

FIG. 3 is an enlarged view taken at A in FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the invention at B of FIG. 1;

in the figure: 1. connecting a sleeve; 2. a fixing mechanism; 201. a fixing ring; 202. a thread mounting groove; 203. a threaded rod; 204. a clamping piece; 205. a first rotating lever; 3. a first sealing mechanism; 301. a seal ring; 302. a gasket; 303. sealing the sheet; 4. a second sealing mechanism; 5. an air-filled ring; 6. an air bag; 7. an inflation mechanism; 701. an inflator; 702. an inflation tube; 703. a piston; 704. a drive rod; 8. a drive mechanism; 801. a slide rail; 802. a screw rod; 803. a slider; 804. a first drive pulley; 805. a second transmission wheel; 806. rotating the rod; 807. a second rotating rod; 808. a protective case; 9. a protection mechanism; 901. an air cylinder; 902. a support bar; 903. a protective frame; 904. drying the bag; 905. an elastic cloth; 906. and (5) sealing rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows: referring to fig. 1-3, a cable protection sleeve connection member with good sealing performance includes a connection sleeve 1, two ends of the connection sleeve 1 are symmetrically provided with fixing mechanisms 2, the inner side of the fixing mechanism 2 is provided with a first sealing mechanism 3, the inner side of the first sealing mechanism 3 is provided with a second sealing mechanism 4, the second sealing mechanism 4 includes an inflation ring 5, the inflation ring 5 is installed inside the connection sleeve 1, the inflation ring 5 is connected with an airbag 6 in a sealing manner, the inflation ring 5 is connected with an inflation mechanism 7, the inflation mechanism 7 is connected with a driving mechanism 8, the driving mechanism 8 is arranged at the central position of the top of the connection sleeve 1, and two side walls of the connection sleeve 1 are symmetrically provided with protection mechanisms 9.

Fixed establishment 2 is including solid fixed ring 201, gu fixed ring 201 fixed mounting is at adapter sleeve 1 both ends, gu the symmetry is provided with screw thread mounting groove 202 on fixed ring 201, and threaded rod 203 is installed to the screw thread in screw thread mounting groove 202, and threaded rod 203 bottom is rotated and is installed holding piece 204, and first bull stick 205 is installed on threaded rod 203 top.

First sealing mechanism 3 includes sealing ring 301, and sealing ring 301 sets up at solid fixed ring 201 inboard, and the inboard embedded annular that installs of sealing ring 301 seals up 302, and sealed inside evenly distributed of pad 302 has gasket 303.

When in installation, the connecting sleeve 1 is firstly sleeved on a cable, after the cable is connected, the connecting sleeve 1 is moved, so that the central position of the connection sleeve 1 is at the joint of the cables, and so that the joint of the cables is at the central position of the protection means 9, then the connecting sleeve 1 is fixed on the cable, by rotating the threaded rod 203 in the threaded mounting groove 202 in the fixing mechanism 2, the threaded rod 203 drives the clamping sheet 204 to descend, so that the clamping sheet 204 is fixed on the cable, thereby fixing the connecting sleeve 1 on the cable, completing the fixed installation of the connecting sleeve 1, facilitating the installation and fixation of the connecting sleeve 1, meanwhile, an annular sealing gasket 302 in a sealing ring 301 of the first sealing mechanism 3 is in contact with the cable, and a plurality of sealing sheets 303 on the inner side of the sealing gasket 302 are matched to ensure that two ends of the connecting sleeve 1 are in sealing connection with the cable, so that the sealing performance of the connecting sleeve 1 and the cable is ensured.

The inflation mechanism 7 comprises an inflator 701, the inflator 701 is symmetrically arranged at the top of the connecting sleeve 1, the inflator 701 is hermetically connected with the inflation ring 5, the inflator 701 is further connected with the protection mechanism 9 through an inflation tube 702, a piston 703 is arranged in the inflator 701, a driving rod 704 is connected to the tail end of the piston 703, and the driving rod 704 is connected with the driving mechanism 8.

The driving mechanism 8 comprises a sliding rail 801, the sliding rail 801 is arranged at the top of the connecting sleeve 1, a screw rod 802 is arranged in the sliding rail 801 in a rotating mode, sliding blocks 803 are symmetrically arranged in the sliding rail 801, the sliding blocks 803 are respectively connected with a driving rod 704, the sliding blocks 803 are arranged on the screw rod 802, a first driving wheel 804 is fixedly arranged at the central position of the screw rod 802, the first driving wheel 804 is in transmission connection with a second driving wheel 805, a connecting rod rotating rod 806 is arranged at the top end of the second driving wheel 805, a second rotating rod 807 is arranged at the top end of the rotating rod 806, and a protection box 808 is arranged on the outer side of the second rotating rod 807.

When further sealing is carried out, the protective box 808 in the driving mechanism 8 is opened, the second rotating rod 807 at the top end of the rotating rod 806 in the driving mechanism 8 is rotated, the second rotating rod 807 rotates to drive the rotating rod 806 to rotate, the rotating rod 806 rotates to drive the second driving wheel 805 to rotate, the second driving wheel 805 acts on the first driving wheel 804 to drive the first driving wheel 804 to rotate in a rotating way, the first driving wheel 804 rotates to drive the screw rod 802 to rotate, the screw rod 802 rotates to drive the sliding block 803 to move in the sliding rail 801, two sliding blocks 803 in the sliding rail 801 are far away from each other, the sliding blocks 803 move to drive the driving rod 704 to move, the driving rod 704 moves to drive the piston 703 in the inflator 701 to move, the piston 703 moves to drive the gas in the inflator 701 into the inflation ring 5 in the second sealing mechanism 4, the air bag 6 connected with the inflating ring 5 in a sealing way is expanded, so that the air bag 6 is connected with the cable in a sealing way, and the sealing performance of the connection sleeve 1 and the cable is further enhanced.

Example two: referring to fig. 1-4, a cable protection sleeve connection member with good sealing performance includes a connection sleeve 1, two ends of the connection sleeve 1 are symmetrically provided with fixing mechanisms 2, the inner side of the fixing mechanism 2 is provided with a first sealing mechanism 3, the inner side of the first sealing mechanism 3 is provided with a second sealing mechanism 4, the second sealing mechanism 4 includes an inflation ring 5, the inflation ring 5 is installed inside the connection sleeve 1, the inflation ring 5 is connected with an airbag 6 in a sealing manner, the inflation ring 5 is connected with an inflation mechanism 7, the inflation mechanism 7 is connected with a driving mechanism 8, the driving mechanism 8 is arranged at the central position of the top of the connection sleeve 1, and two side walls of the connection sleeve 1 are symmetrically provided with protection mechanisms 9.

Fixed establishment 2 is including solid fixed ring 201, gu fixed ring 201 fixed mounting is at adapter sleeve 1 both ends, gu the symmetry is provided with screw thread mounting groove 202 on fixed ring 201, and threaded rod 203 is installed to the screw thread in screw thread mounting groove 202, and threaded rod 203 bottom is rotated and is installed holding piece 204, and first bull stick 205 is installed on threaded rod 203 top.

First sealing mechanism 3 includes sealing ring 301, and sealing ring 301 sets up at solid fixed ring 201 inboard, and the inboard embedded annular that installs of sealing ring 301 seals up 302, and sealed inside evenly distributed of pad 302 has gasket 303.

The inflation mechanism 7 comprises an inflator 701, the inflator 701 is symmetrically arranged at the top of the connecting sleeve 1, the inflator 701 is hermetically connected with the inflation ring 5, the inflator 701 is further connected with the protection mechanism 9 through an inflation tube 702, a piston 703 is arranged in the inflator 701, a driving rod 704 is connected to the tail end of the piston 703, and the driving rod 704 is connected with the driving mechanism 8.

The driving mechanism 8 comprises a sliding rail 801, the sliding rail 801 is arranged at the top of the connecting sleeve 1, a screw rod 802 is arranged in the sliding rail 801 in a rotating mode, sliding blocks 803 are symmetrically arranged in the sliding rail 801, the sliding blocks 803 are respectively connected with a driving rod 704, the sliding blocks 803 are arranged on the screw rod 802, a first driving wheel 804 is fixedly arranged at the central position of the screw rod 802, the first driving wheel 804 is in transmission connection with a second driving wheel 805, a connecting rod rotating rod 806 is arranged at the top end of the second driving wheel 805, a second rotating rod 807 is arranged at the top end of the rotating rod 806, and a protection box 808 is arranged on the outer side of the second rotating rod 807.

The protection mechanism 9 comprises an air cylinder 901, the air cylinder 901 is symmetrically arranged on two side walls of the connecting sleeve 1, a support rod 902 is arranged in the air cylinder 901 in a sliding and sealing mode, the tail end of the air cylinder 901 is connected with the inflating tube 702, a protection frame 903 is fixedly arranged on the support rod 902, a drying bag 904 is arranged in the protection frame 903, sealing elastic cloth 905 is arranged on two sides of the protection frame 903, and a sealing ring 906 is arranged on the protection frame 903.

The working principle is as follows:

when in installation, the connecting sleeve 1 is firstly sleeved on a cable, after the cable is connected, the connecting sleeve 1 is moved, so that the central position of the connection sleeve 1 is at the joint of the cables, and so that the joint of the cables is at the central position of the protection means 9, then the connecting sleeve 1 is fixed on the cable, by rotating the threaded rod 203 in the threaded mounting groove 202 in the fixing mechanism 2, the threaded rod 203 drives the clamping sheet 204 to descend, so that the clamping sheet 204 is fixed on the cable, thereby fixing the connecting sleeve 1 on the cable, completing the fixed installation of the connecting sleeve 1, facilitating the installation and fixation of the connecting sleeve 1, meanwhile, an annular sealing gasket 302 in a sealing ring 301 of the first sealing mechanism 3 is in contact with the cable, and a plurality of sealing sheets 303 on the inner side of the sealing gasket 302 are matched to ensure that two ends of the connecting sleeve 1 are in sealing connection with the cable and the sealing performance of the connecting sleeve 1 and the cable is ensured;

when further sealing is carried out, the protective box 808 in the driving mechanism 8 is opened, the second rotating rod 807 at the top end of the rotating rod 806 in the driving mechanism 8 is rotated, the second rotating rod 807 rotates to drive the rotating rod 806 to rotate, the rotating rod 806 rotates to drive the second driving wheel 805 to rotate, the second driving wheel 805 acts on the first driving wheel 804 to drive the first driving wheel 804 to rotate in a rotating way, the first driving wheel 804 rotates to drive the screw rod 802 to rotate, the screw rod 802 rotates to drive the sliding block 803 to move in the sliding rail 801, two sliding blocks 803 in the sliding rail 801 are far away from each other, the sliding blocks 803 move to drive the driving rod 704 to move, the driving rod 704 moves to drive the piston 703 in the inflator 701 to move, the piston 703 moves to drive the gas in the inflator 701 into the inflation ring 5 in the second sealing mechanism 4, the air bag 6 connected with the inflating ring 5 in a sealing way is expanded, so that the air bag 6 is connected with the cable in a sealing way, and the sealing performance of the connection of the connecting sleeve 1 and the cable is further enhanced;

when the inflator 701 inflates the inflation ring 5, the gas of the inflator 701 inflates into the inflator 901 in the protection mechanism 9 through the inflation tube 702 simultaneously, so that the supporting rod 902 in the inflator 901 moves outwards under the action of pressure, thereby the protection frame 903 on the supporting rod 902 is driven to move, so that the two protection frames 903 in the connecting sleeve 1 are mutually attached, so that the joint of the cable is wrapped by the two protection frames 903, meanwhile, the sealing elastic cloth 905 on the two sides of the protection frame 903 protects the two sides of the protection frame 903, the drying bag 904 arranged in the protection frame 903 ensures that the internal environment of the protection frame 903 is dry, and the cable joint can be further protected.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.