A combined device for sealing external wall water and electricity bushings

Abstract

The invention discloses an external wall water and electricity wall-penetrating pipe sealing combined device, comprising a water and electricity wall-penetrating pipe fixedly embedded on a wall, wherein the external front side of the water and electricity wall-penetrating pipe is sleeved with a cylindrical shell with an opening on the rear side; the invention installs the cylindrical shell on the external front side of the water and electricity wall-penetrating pipe to be sealed, and then rotates a turntable to clamp the outer side of the water and electricity wall-penetrating pipe by a first arc plate, and then seals the rear side opening of the cylindrical shell by a second arc plate, thereby realizing that the device can be installed on water and electricity wall-penetrating pipes of different diameters, and the front side of the water and electricity wall-penetrating pipe is sealed, and then the threaded rod is rotated into the threaded groove, so that the rear side of the water and electricity wall-penetrating pipe is sealed by a conical rubber sleeve, which is beneficial to the sealing operation of the water and electricity wall-penetrating pipe and can meet the use requirements.

Description

Technical Field

[0001] The invention relates to the technical field of water and electricity wall bushing plugging, and in particular to an external wall water and electricity wall bushing plugging combined device. Background Art

[0002] In the traditional construction process, especially in the early stage of main structure construction, the problem of sealing the external water and electricity wall bushing is an unavoidable topic. When constructing the wall, it is necessary to use pre-buried water and electricity wall bushings. The water and electricity wall bushings are generally steel bushings. In order to prevent water, debris, etc. from entering the interior of the pre-buried water and electricity wall bushings during the construction process, it is necessary to temporarily seal the water and electricity wall bushings before construction.

[0003] The existing water and electricity wall penetration casing plugging device can only adapt to casing of a single diameter, which makes its application range small. When it is necessary to plug casings of different diameters, it is necessary to prepare a variety of different water and electricity wall penetration casing plugging devices, and the existing water and electricity wall penetration casing plugging device can only plug one end of the water and electricity wall penetration casing. This method of plugging only one end of the water and electricity wall penetration casing has an unsatisfactory plugging effect and cannot meet the use requirements. For this reason, we propose an external wall water and electricity wall penetration casing plugging combination device. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose an external wall water and electricity wall bushing blocking combined device.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] The invention relates to an external wall water and electricity wall-penetrating pipe sealing assembly device, comprising a water and electricity wall-penetrating pipe fixedly embedded in the wall, wherein the external front side of the water and electricity wall-penetrating pipe is sleeved with a cylindrical shell with an opening at the rear side, the front side thread of the cylindrical shell is embedded with an external threaded sleeve with an opening at the front side, the front side of the cylindrical shell is bonded with an anti-slip rubber ring, the external threaded sleeve is located on the inner side of the anti-slip rubber ring, and a locking mechanism matched with the anti-slip rubber ring is installed in the external threaded sleeve, the locking mechanism is used to lock the external threaded sleeve, the rear end of the external threaded sleeve extends to the interior of the cylindrical shell and a movable block is rotatably installed, the top, bottom, left and right sides of the movable block are all provided with grooves, the inner side wall of the groove is hinged with two support rods, the two support rods on the same side are hinged with the same movable plate at one end away from the corresponding groove, the front side of the movable plate is slidably installed with the front inner wall of the cylindrical shell, and the movable plate is close to one end of the water and electricity wall-penetrating pipe The sides are welded with multiple connecting rods arranged in a front-to-back manner, and the multiple connecting rods on the same side are fixedly connected to the same first arc plate at one end away from the corresponding movable plate, and the same elastic band is bonded and fixed between two adjacent first arc plates. The top inner wall, bottom inner wall, left inner wall and right inner wall of the cylindrical shell are all provided with multiple rectangular grooves arranged in a front-to-back manner, and elastic fastening mechanisms connected to the corresponding movable plates are installed in the rectangular grooves. Four sliding grooves are opened in a ring shape on the rear side of the cylindrical shell, and a sliding rod is welded on the inner wall of the side of the sliding groove away from the inside of the cylindrical shell. The outer sliding sleeve of the sliding rod is provided with a sliding sleeve, and a front blocking mechanism is fixedly installed on the rear side of the sliding sleeve, and the rear side of the sliding sleeve is in sliding contact with the front side of the wall. The front blocking mechanism is used to block the opening on the rear side of the cylindrical shell, and the rear side of the hydropower wall bushing is plugged with a rear blocking mechanism threaded with the movable block for blocking the rear side of the hydropower wall bushing.

[0007] As a further preferred embodiment of the present technical solution: the locking mechanism includes a tension spring, a pull rod, a turntable and a plurality of nail bodies in a stretched state, the rear end of the tension spring is welded and fixed to the rear inner wall of the externally threaded sleeve, the outer side of the pull rod is slidably fitted onto the inner wall of the externally threaded sleeve, the rear end of the pull rod is welded and fixed to the front end of the tension spring, the front side of the pull rod extends to the outside of the externally threaded sleeve and is welded and fixed to the rear side of the turntable, the front ends of the plurality of nail bodies are distributed in a ring shape and welded and fixed to the rear side of the turntable, and the rear ends of the plurality of nail bodies are in close contact with the front side of the anti-slip rubber ring.

[0008] As a further preferred embodiment of the present technical solution: the elastic fastening mechanism includes a rectangular plate and a spring in a compressed state, the outer side of the rectangular plate is slidably mounted on the inner wall of the corresponding rectangular groove, the side of the rectangular plate away from the corresponding rectangular groove is welded and fixed to the side of the movable plate away from the connecting rod, the spring is mounted on the outer side of the corresponding rectangular plate, and the spring is welded and fixed between the side of the movable plate away from the connecting rod and the inner wall of the cylindrical shell; through the cooperation of the spring and the rectangular plate, a force can be applied to the movable plate in the direction of the hydropower wall bushing, so that the first arc plate can be more closely in contact with the hydropower wall bushing.

[0009] As a further preferred embodiment of the present technical solution: the front sealing mechanism includes a sealing gasket and a second arc plate, the rear side of the second arc plate is in sliding contact with the front side of the wall, the sealing gasket is bonded to the front side of the corresponding second arc plate, the front side of the sealing gasket is bonded and fixed to the rear side of the corresponding sliding sleeve, the front side of the sealing gasket is in sliding contact with the rear side of the cylindrical shell, the front side of the sealing gasket is bonded and fixed to the rear side of the movable plate, and the side of the second arc plate close to the water and electricity wall bushing is in close contact with the outer side of the water and electricity wall bushing; by arranging the second arc plate and the sealing gasket, the opening on the rear side of the cylindrical shell can be sealed.

[0010] As a further preferred embodiment of the present technical solution: the rear sealing mechanism includes a threaded rod and a conical rubber sleeve, the conical rubber sleeve is fixedly sleeved on the outer side of the threaded rod, the outer side of the conical rubber sleeve is in close contact with the rear part of the inner wall of the water and electricity wall penetration casing, a threaded groove is provided on the rear side of the movable block, the front end of the threaded rod passes through the inner side of the water and electricity wall penetration casing and is sleeved with the internal thread of the threaded groove; the rear side of the water and electricity wall penetration casing is sealed by the conical rubber sleeve, which can effectively prevent water from entering the interior of the water and electricity wall penetration casing through the rear side of the water and electricity wall penetration casing, and the cooperation between the threaded groove and the threaded rod can facilitate the disassembly and installation of the conical rubber sleeve.

[0011] As a further preferred embodiment of the technical solution: both the front and rear sides of the rectangular plate are provided with limit grooves, the inner side walls of the limit grooves are slidably mounted with limit blocks, and the side of the limit blocks away from the corresponding limit grooves is welded to the inner side wall of the rectangular groove.

[0012] As a further preferred embodiment of the present technical solution: a guide groove is provided on one side of the movable plate close to the inner wall of the cylindrical shell, the end of the slide rod away from the corresponding slide groove is inserted into the interior of the guide groove, and the outer side of the slide rod is slidably fitted with the inner wall of the guide groove.

[0013] As a further preferred embodiment of the present technical solution: the front inner wall of the cylindrical shell is provided with four cross-distributed positioning grooves, a positioning slider is slidably installed inside the positioning groove, and the side of the positioning slider away from the corresponding positioning groove is welded and fixed to the front side of the movable plate.

[0014] As a further preferred embodiment of the technical solution: an anti-skid pad is bonded to one side of the first arc plate close to the water and electricity wall bushing, and a side of the anti-skid pad away from the first arc plate is in close contact with the outer side of the water and electricity wall bushing.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The present invention installs a cylindrical shell on the external front side of the hydropower wall bushing to be blocked, and then rotates a turntable to clamp the first arc plate on the outside of the hydropower wall bushing, and then blocks the rear opening of the cylindrical shell by the second arc plate, thereby realizing that the device can be installed on hydropower wall bushings of different diameters and the front side of the hydropower wall bushing is blocked, and then the threaded rod is turned into the threaded groove, so that the rear side of the hydropower wall bushing is blocked by the conical rubber sleeve, which is beneficial to the blocking operation of the hydropower wall bushing and can meet the use requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the three-dimensional structure of an external wall water and electricity wall bushing plugging assembly device proposed by the present invention;

[0018] Figure 2 It is a right side cross-sectional structural schematic diagram of an external wall water and electricity wall bushing plugging assembly device proposed by the present invention;

[0019] Figure 3 For the present invention Figure 2 A magnified view of the structure of area A;

[0020] Figure 4 For the present invention Figure 2 A magnified view of the structure of region B in FIG.

[0021] Figure 5 This is a schematic diagram of the front view of the connection structure between the movable block and the support rod in the external wall water and electricity wall bushing plugging assembly device proposed by the present invention;

[0022] Figure 6 It is a front view of the connection structure cross-sectional view of a water and electricity wall bushing, a connecting rod, a first arc plate, an elastic band and an anti-slip pad in an external wall water and electricity wall bushing blocking assembly device proposed by the present invention.

[0023] In the figure: 1. wall; 2. water and electricity wall bushing; 3. cylindrical shell; 4. external threaded sleeve; 5. tension spring; 6. pull rod; 7. turntable; 8. anti-skid rubber ring; 9. nail body; 10. movable block; 11. groove; 12. support rod; 13. movable plate; 14. connecting rod; 15. first arc plate; 16. elastic band; 17. rectangular groove; 18. rectangular plate; 19. spring; 20. slide groove; 21. slide rod; 22. slide sleeve; 23. sealing pad; 24. second arc plate; 25. threaded rod; 26. conical rubber sleeve; 27. limit groove; 28. limit block; 29. ​​anti-skid pad. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0025] Reference Figure 1-6 A combined device for plugging external wall water and electricity wall bushings comprises a water and electricity wall bushing 2 fixedly embedded on a wall 1, a cylindrical shell 3 with an opening on the rear side is sleeved on the external front side of the water and electricity wall bushing 2, an external threaded sleeve 4 with an opening on the front side is threadedly embedded on the front side of the cylindrical shell 3, wherein an internal threaded through hole is opened on the front side of the cylindrical shell 3, the outer side of the external threaded sleeve 4 is threadedly connected with the inner side of the internal threaded through hole, an anti-slip rubber ring 8 is bonded to the front side of the cylindrical shell 3, the external threaded sleeve 4 is located on the inner side of the anti-slip rubber ring 8, a locking mechanism matched with the anti-slip rubber ring 8 is installed in the external threaded sleeve 4, the locking mechanism is used to lock the external threaded sleeve 4, and the locking mechanism comprises a tension spring 5 in a stretched state, a pull rod 6, a turntable 7 and a plurality of nail bodies 9, the rear end of the tension spring 5 is welded and fixed to the rear inner wall of the externally threaded sleeve 4, the outer side of the pull rod 6 is slidably fitted with the inner wall of the externally threaded sleeve 4, wherein the outer side of the pull rod 6 and the inner side of the externally threaded sleeve 4 are both rectangular structures, so that it is convenient to drive the rotation of the externally threaded sleeve 4 through the pull rod 6, the rear end of the pull rod 6 is welded and fixed to the front end of the tension spring 5, the front side of the pull rod 6 extends to the outside of the externally threaded sleeve 4 and is welded and fixed to the rear side of the turntable 7, the front ends of the plurality of nail bodies 9 are distributed in an annular manner and are welded and fixed to the rear side of the turntable 7, the rear ends of the plurality of nail bodies 9 are in close contact with the front side of the anti-slip rubber ring 8, wherein a first handle is fixedly installed on the front side of the turntable 7, and the rotation or pulling of the turntable 7 can be facilitated by setting the first handle;

[0026] The rear end of the external threaded sleeve 4 extends to the interior of the cylindrical shell 3 and is rotatably installed with a movable block 10. The top, bottom, left and right sides of the movable block 10 are all provided with grooves 11. The inner side wall of the groove 11 is hinged with two support rods 12. The two support rods 12 on the same side are hinged with the same movable plate 13 at one end away from the corresponding groove 11. The front side of the movable plate 13 is slidably installed with the front inner wall of the cylindrical shell 3, wherein the front inner wall of the cylindrical shell 3 is provided with four positioning grooves distributed in a cross shape, and a positioning slider is slidably installed inside the positioning groove, and the side of the positioning slider away from the corresponding positioning groove is welded and fixed to the front side of the movable plate 13. The positioning groove and the positioning slider are arranged to guide and position the movement of the movable plate 13. A plurality of connecting rods 14 arranged in a front-to-back manner are welded on one side of the movable plate 13 close to the water and electricity wall bushing 2. The ends of the plurality of connecting rods 14 located on the same side away from the corresponding movable plate 13 are fixedly connected with the same first curved plate 15. An anti-skid pad 29 is bonded to the side of the first curved plate 15 close to the water and electricity wall bushing 2. The side of the anti-skid pad 29 away from the first curved plate 15 is in close contact with the outer side of the water and electricity wall bushing 2. By providing the anti-skid pad 29, the friction between the first curved plate 15 and the water and electricity wall bushing 2 can be increased. The two adjacent first curved plates 1 5 is bonded and fixed with the same elastic band 16, the top inner wall, the bottom inner wall, the left inner wall and the right inner wall of the cylindrical shell 3 are all provided with a plurality of rectangular grooves 17 arranged in a front-to-back manner, and an elastic fastening mechanism connected to the corresponding moving plate 13 is installed in the rectangular groove 17, and the elastic fastening mechanism includes a rectangular plate 18 and a spring 19 in a compressed state, the outer side of the rectangular plate 18 is slidably mounted on the inner side wall of the corresponding rectangular groove 17, the side of the rectangular plate 18 away from the corresponding rectangular groove 17 is welded and fixed to the side of the moving plate 13 away from the connecting rod 14, the spring 19 is mounted on the outer side of the corresponding rectangular plate 18, and the spring 19 is welded and fixed to the moving plate 13 away from the connecting rod 14 Between one side of the connecting rod 14 and the inner side wall of the cylindrical shell 3, the front and rear sides of the rectangular plate 18 are provided with limiting grooves 27, and the inner side wall of the limiting groove 27 is slidably installed with a limiting block 28. The side of the limiting block 28 away from the corresponding limiting groove 27 is welded to the inner side wall of the rectangular groove 17. By setting the limiting groove 27 and cooperating with the limiting block 28, the rectangular plate 18 can be limited, thereby preventing it from moving out of the rectangular groove 17. By cooperating with the spring 19 and the rectangular plate 18, a force in the direction of the hydropower wall bushing 2 can be applied to the movable plate 13, so that the first arc plate 15 can be more closely in contact with the hydropower wall bushing 2;

[0027] The rear side of the cylindrical shell 3 is provided with four slide grooves 20 in an annular shape. A slide rod 21 is welded on the inner wall of the slide groove 20 away from the inside of the cylindrical shell 3. The outer sliding sleeve 22 is provided with a sliding sleeve 22. A front blocking mechanism whose rear side is in sliding contact with the front side of the wall 1 is fixedly installed on the rear side of the sliding sleeve 22. The front blocking mechanism is used to block the opening on the rear side of the cylindrical shell 3. The front blocking mechanism includes a sealing gasket 23 and a second arc plate 24. The rear side of the second arc plate 24 slides with the front side of the wall 1. Dynamic contact, the sealing gasket 23 is bonded to the front side of the corresponding second arc plate 24, the front side of the sealing gasket 23 is bonded and fixed to the rear side of the corresponding sliding sleeve 22, the front side of the sealing gasket 23 is in sliding contact with the rear side of the cylindrical housing 3, the front side of the sealing gasket 23 is bonded and fixed to the rear side of the moving plate 13, and the side of the second arc plate 23 close to the water and electricity wall bushing 2 is in close contact with the outer side of the water and electricity wall bushing 2. By setting the second arc plate 24 and the sealing gasket 23, the opening on the rear side of the cylindrical housing 3 can be blocked;

[0028] The rear side of the water and electricity wall bushing 2 is plugged with a rear blocking mechanism which is threadedly mounted with the movable block 10 and is used to block the rear side of the water and electricity wall bushing 2. The rear blocking mechanism includes a threaded rod 25 and a conical rubber sleeve 26. The conical rubber sleeve 26 is fixedly sleeved on the outer side of the threaded rod 25. The outer side of the conical rubber sleeve 26 is in close contact with the rear part of the inner wall of the water and electricity wall bushing 2. A threaded groove is provided on the rear side of the movable block 10. The front end of the threaded rod 25 penetrates the inner side of the water and electricity wall bushing 2 and is sleeved with the internal thread of the threaded groove. The rear end of the threaded rod 25 is fixedly sleeved with a second handle. The second handle can be provided to facilitate the rotation of the threaded rod 25. The conical rubber sleeve 26 can seal the rear side of the water and electricity wall bushing 2, which can effectively prevent water from entering the interior of the water and electricity wall bushing 2 through the rear side of the water and electricity wall bushing 2. The cooperation between the threaded groove and the threaded rod 25 can facilitate the disassembly and installation of the conical rubber sleeve 26.

[0029] A guide groove is provided on one side of the movable plate 13 close to the inner wall of the cylindrical shell 3, and the end of the sliding rod 21 away from the corresponding sliding groove 20 is inserted into the inside of the guide groove, and the outer side of the sliding rod 21 is slidably fitted with the inner wall of the guide groove. By setting the guide groove, the movement of the movable plate 13 can be guided; the present invention installs the cylindrical shell 3 on the outer front side of the hydropower wall penetration sleeve 2 to be blocked, and then the first arc plate 15 clamps the outer side of the hydropower wall penetration sleeve 2 by rotating the turntable 7, and then the rear side opening of the cylindrical shell 3 is blocked by the second arc plate 24, so that the device can be installed on hydropower wall penetration sleeves 2 of different diameters, and the front side of the hydropower wall penetration sleeve 2 is blocked, and then the threaded rod 25 is turned into the threaded groove, so that the rear side of the hydropower wall penetration sleeve 2 is blocked by the conical rubber sleeve 26, which is beneficial to the blocking operation of the hydropower wall penetration sleeve 2 and can meet the use requirements.

[0030] Working principle: When it is necessary to block the water and electricity wall bushing 2, first put the cylindrical shell 3 on the outer front side of the water and electricity wall bushing 2, and make the rear side of the second arc plate 24 fit with the front side of the wall 1, and then pull the turntable 7 forward through the first handle, the turntable 7 drives the nail body 9 and the pull rod 6 to move forward, the forward movement of the pull rod 6 will stretch the tension spring 5, and the forward movement of the nail body 9 will separate from the anti-slip rubber ring 8, thereby releasing the lock of the external threaded sleeve 4, and then the worker drives the turntable 7 to rotate forward through the first handle, and the turntable 7 drives the pull rod 6 to move forward. The rod 6 rotates forward. Since the outer side of the pull rod 6 and the inner side of the external threaded sleeve 4 are both rectangular, the forward rotation of the pull rod 6 will drive the external threaded sleeve 4 to rotate forward inside the internal threaded through hole, so that the external threaded sleeve 4 moves forward during the forward rotation. The external threaded sleeve 4 drives the movable block 10 to move forward, so that the supporting force of the support rod 12 on the corresponding movable plate 13 disappears, and the spring 19 in the compressed state drives the movable plate 13 to move toward the direction of the hydropower wall bushing 2, and the movable plate 13 drives the corresponding The connecting rod 14 moves toward the direction of the water and electricity wall bushing 2, and the multiple connecting rods 14 on the same side drive the same first arc plate 15 to move toward the direction of the water and electricity wall bushing 2. The first arc plate 15 drives the corresponding anti-slip pad 29 to move toward the direction of the water and electricity wall bushing 2. The moving plate 13 also drives the corresponding second arc plate 24 to move toward the direction of the water and electricity wall bushing 2. The second arc plate 24 drives the sliding sleeve 22 to slide along the outer side of the sliding rod 21. When the second arc plate 24 is close to the water and electricity wall bushing When one side of the sleeve 2 contacts the outer wall of the water and electricity wall sleeve 2, the rear opening of the cylindrical shell 3 can be sealed by the four second arc plates 24. At this time, the anti-skid pad 29 is in close contact with the outer side of the water and electricity wall sleeve 2. Then the worker loosens the first handle, so that the tension spring 5 is no longer stressed. Then the tension spring 5 pulls the pull rod 6 to move backward, the pull rod 6 drives the turntable 7 to move backward, and the turntable 7 drives the nail body 9 to move backward, so that the rear end of the nail body 9 is in close contact with the front side of the anti-skid rubber ring 8 again, thereby re-locking the external threaded sleeve 4;

[0031] Then the worker inserts the threaded rod 25 from the rear side of the hydropower wall penetration sleeve 2, so that it penetrates the hydropower wall penetration sleeve 2 and extends to the interior of the cylindrical shell 3, and then drives the threaded rod 25 to rotate forward through the second handle, so that the threaded rod 25 is turned into the interior of the threaded groove, and the threaded rod 25 will drive the conical rubber sleeve 26 to move forward, so that its outer side is in close contact with the rear side of the inner wall of the hydropower wall penetration sleeve 2, thereby sealing the rear side of the hydropower wall penetration sleeve 2. It can be seen from the above that the hydropower wall penetration sleeve sealing combination device can be installed on hydropower wall penetration sleeves 2 of different diameters, and the front side of the hydropower wall penetration sleeve 2 is sealed, and then the threaded rod 25 is turned into the threaded groove, so that the rear side of the hydropower wall penetration sleeve 2 is sealed by the conical rubber sleeve 26, which is conducive to the sealing operation of the hydropower wall penetration sleeve 2 and can meet the use requirements.

[0032] In the description of this utility, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, or a connection through an intermediate medium, or the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility can be understood according to specific circumstances.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A combined device for plugging water and electricity wall bushings on external walls, comprising a water and electricity wall bushing (2) fixedly embedded in a wall (1), characterized in that: The front side of the water and electricity wall bushing (2) is sleeved with a cylindrical shell (3) with an opening at the rear side, the front side of the cylindrical shell (3) is threadedly embedded with an externally threaded sleeve (4) with an opening at the front side, the front side of the cylindrical shell (3) is bonded with an anti-slip rubber ring (8), the externally threaded sleeve (4) is located on the inner side of the anti-slip rubber ring (8), a locking mechanism matched with the anti-slip rubber ring (8) is installed in the externally threaded sleeve (4), and the rear end of the externally threaded sleeve (4) extends to the inner side of the cylindrical shell (3). A movable block (10) is rotatably mounted on the top, bottom, left side and right side of the movable block (10), grooves (11) are provided on the top, bottom, left side and right side of the movable block (10), two support rods (12) are hingedly connected to the inner side wall of the groove (11), and the two support rods (12) on the same side are hingedly connected to the same movable plate (13) at one end away from the corresponding groove (11), the front side of the movable plate (13) is slidably mounted on the front inner wall of the cylindrical housing (3), and the side of the movable plate (13) close to the water and electricity wall bushing (2) is welded with A plurality of connecting rods (14) are arranged in a front-to-back manner, and one end of the plurality of connecting rods (14) located on the same side away from the corresponding moving plate (13) is fixedly connected to the same first arc plate (15), and a same elastic band (16) is bonded and fixed between two adjacent first arc plates (15). The top inner wall, the bottom inner wall, the left inner wall and the right inner wall of the cylindrical shell (3) are all provided with a plurality of rectangular grooves (17) arranged in a front-to-back manner, and the rectangular grooves (17) are provided with a corresponding moving plate (13). The cylindrical housing (3) is provided with four slide grooves (20) in an annular shape on the rear side thereof, a slide rod (21) is welded on the inner wall of the slide groove (20) away from the inside of the cylindrical housing (3), a slide sleeve (22) is slidably sleeved on the outer side of the slide rod (21), a front blocking mechanism whose rear side is in sliding contact with the front side of the wall (1) is fixedly installed on the rear side of the slide sleeve (22), and a rear blocking mechanism threadedly installed with the movable block (10) is inserted on the rear side of the water and electricity wall bushing (2); The locking mechanism comprises a tension spring (5) in a tensioned state, a pull rod (6), a turntable (7) and a plurality of nail bodies (9), the rear end of the tension spring (5) is welded and fixed to the rear inner wall of the externally threaded sleeve (4), the outer side of the pull rod (6) is slidably fitted with the inner wall of the externally threaded sleeve (4), the rear end of the pull rod (6) is welded and fixed to the front end of the tension spring (5), the front side of the pull rod (6) extends to the outer side of the externally threaded sleeve (4) and is welded and fixed to the rear side of the turntable (7), the front ends of the plurality of nail bodies (9) are distributed in an annular shape and are welded and fixed to the rear side of the turntable (7), and the rear ends of the plurality of nail bodies (9) are in close contact with the front side of the anti-slip rubber ring (8); The elastic fastening mechanism comprises a rectangular plate (18) and a spring (19) in a compressed state. The outer side of the rectangular plate (18) is slidably mounted on the inner side wall of the corresponding rectangular groove (17). The side of the rectangular plate (18) away from the corresponding rectangular groove (17) is welded and fixed to the side of the movable plate (13) away from the connecting rod (14). The spring (19) is mounted on the outer side of the corresponding rectangular plate (18). The spring (19) is welded and fixed between the side of the movable plate (13) away from the connecting rod (14) and the inner side wall of the cylindrical housing (3). The front blocking mechanism comprises a sealing gasket (23) and a second curved plate (24); the rear side of the second curved plate (24) is in sliding contact with the front side of the wall (1); the sealing gasket (23) is bonded to the front side of the corresponding second curved plate (24); the front side of the sealing gasket (23) is bonded and fixed to the rear side of the corresponding sliding sleeve (22); the front side of the sealing gasket (23) is in sliding contact with the rear side of the columnar housing (3); the front side of the sealing gasket (23) is bonded and fixed to the rear side of the movable plate (13); and the side of the second curved plate (24) close to the water and electricity wall bushing (2) is in close contact with the outer side of the water and electricity wall bushing (2); The rear plugging mechanism comprises a threaded rod (25) and a conical rubber sleeve (26). The conical rubber sleeve (26) is fixedly sleeved on the outer side of the threaded rod (25). The outer side of the conical rubber sleeve (26) is in close contact with the rear part of the inner wall of the water and electricity wall bushing (2). A thread groove is provided on the rear side of the movable block (10). The front end of the threaded rod (25) penetrates the inner side of the water and electricity wall bushing (2) and is sleeved with the internal thread of the thread groove.

2. The external wall water and electricity wall bushing plugging assembly device according to claim 1 is characterized in that: The rectangular plate (18) is provided with limiting grooves (27) on both the front and rear sides, and a limiting block (28) is slidably mounted on the inner side wall of the limiting groove (27), and the side of the limiting block (28) away from the corresponding limiting groove (27) is welded to the inner side wall of the rectangular groove (17).

3. The external wall water and electricity wall bushing plugging assembly device according to claim 1 is characterized in that: A guide groove is provided on one side of the movable plate (13) close to the inner wall of the cylindrical shell (3); an end of the slide rod (21) away from the corresponding slide groove (20) is inserted into the interior of the guide groove; and the outer side of the slide rod (21) is slidably mounted on the inner wall of the guide groove.

4. The external wall water and electricity wall bushing plugging assembly device according to claim 1 is characterized in that: The front inner wall of the cylindrical housing (3) is provided with four cross-distributed positioning slots, and positioning slide blocks are slidably mounted inside the positioning slots. The side of the positioning slide blocks away from the corresponding positioning slots is welded and fixed to the front side of the movable plate (13).

5. The external wall water and electricity wall bushing plugging assembly device according to claim 1 is characterized in that: A non-slip pad (29) is bonded to the side of the first arc-shaped plate (15) close to the water and electricity wall bushing (2), and a side of the non-slip pad (29) away from the first arc-shaped plate (15) is in close contact with the outer side of the water and electricity wall bushing (2).

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