Plugging device for external wall embedded part

By designing an external wall embedded parts sealing device including a fastening mechanism and a interspersed screw grouting mechanism, the problems of poor sealing and uneven sealing of the external wall screw holes in the prior art are solved, and the sealing effect and long-term fixing stability are achieved for flexible adaptation to through holes of different lengths.

CN222949541UActive Publication Date: 2025-06-06CHINA HUASHI ENTERPRISES CO LTD (SICHUAN)
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Patent Information

Application Number
CN202422049020.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-23
Publication Date
2025-06-06
Estimated Expiration
2034-08-23

AI Technical Summary

Technical Problem

The existing exterior wall screw hole sealing device has problems such as poor sealing, uneven exterior walls, and the inability to flexibly adapt to through holes of different lengths.

Method used

An external wall embedded parts sealing device is designed, including a circular through hole, a conical hole and a sealing device body. The sealing device body includes a fastening mechanism and a screw-interconnect grouting mechanism, which can be sealed and reinforced through structures such as elastic crimping components, screw-interconnected and interspersed slurry dispersing components.

Benefits of technology

It realizes the flat and beautiful sealing effect of the exterior wall, can flexibly adapt to through holes of multiple lengths, and improves long-term fixing stability and leakage resistance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an external wall embedded part plugging device which comprises a round through hole expanded at a screw hole in an external wall, conical holes communicated with the round through hole are formed in the two sides of the external wall, a plugging device body is arranged in the two conical holes and the round through hole, and the plugging device body comprises a buckling mechanism and a penetrating and screwing grouting mechanism. The buckling mechanism comprises a first conical blocking block which is movably arranged in the conical hole in the left side in a sealed and sleeved mode, the right side of the first conical blocking block is fixedly connected with a transverse pipe located in the round through hole, and the transverse pipe is fixedly sleeved with an elastic clamping assembly which is in tight squeezing contact with the inner wall of the round through hole. By arranging a series of structures, the outer side can be guaranteed to be flat and attractive, meanwhile, the outer wall embedded part hole plugging device can be flexibly suitable for plugging circular through holes of various lengths, and the flatness, attractiveness and applicability of plugging of outer wall embedded part holes are improved; and a plurality of structures located in the circular through hole can be conveniently reinforced and fixed into a whole in a grouting mode after fixing, and the long-term fixing stability is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of exterior wall construction, in particular to an exterior wall embedded part blocking device. Background Art

[0002] At present, a large number of through-wall screws are used in the construction process of the outer wall of the shear wall and the frame-shear structure body, so that perforations or sleeve embedded parts are set on the wall. For the sleeve, the sleeve needs to be knocked out or drilled out for subsequent plugging, and then plugged. The plugging of the through-wall screw holes involves the risk of leakage of the outer wall. In the case of outer wall leakage, a large part of them is caused by the loose plugging of the screw holes. According to the new structure retrieval report, announcement number CN220667073U discloses an outer wall screw hole plugging device, which belongs to the field of outer wall construction technology; a through hole is provided in the precast concrete block of the outer wall; a screw is provided in the through hole, and the outer wall of the screw is connected with a sealing The plugging assembly comprises a supporting sealing device and an abutting ring which are arranged around the outer wall of the screw rod; the supporting sealing device contacts the inner wall of the through hole; the abutting ring is an elastic conical structure, the outer ring diameter of the abutting ring is larger than the diameter of the through hole, and the conical opening of the abutting ring faces the outer end of the through hole; a wrapping film is provided on the outer wall of the abutting ring, and the wrapping film is filled with waterproof sealing glue. When the screw rod extends from the outer end of the through hole into the through hole, the wrapping film contacts the inner wall of the through hole, so that the wrapping film ruptures and the waterproof sealing glue enters the space between the through hole and the screw rod; the through hole can be effectively blocked, the anti-leakage performance is improved, and the problem of poor sealing performance of the existing external wall screw hole blocking is solved.

[0003] The above technology discloses an external wall screw hole sealing device, which is arranged to pass the screw on the first abutment part through the through hole, and the second abutment part and the connecting nut are screwed on the other side of the screw on the external wall to seal the through hole. However, there are the following shortcomings when using it: 1. One end of the screw is required to be exposed to the external wall for the second abutment part and the connecting nut to be screwed together, which will cause the end of the screw to protrude on one side of the external wall, and the length of the screw is fixed; it is not possible to flexibly apply various lengths of through-hole sealing while ensuring the flatness and beauty of the external side; 2. The sealing and locking is achieved only by the screw connection between the screw and the connecting nut, and the long-term fixing stability is not ideal; in view of this, the present application proposes an external wall embedded part sealing device to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a blocking device for an external wall embedded part to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plugging device for an external wall embedded part, comprising a round through hole expanded from a screw hole on an external wall, tapered holes connected to the round through hole are opened on both sides of the external wall, a plugging device body is arranged in the two tapered holes and the round through hole, and the plugging device body comprises a buckle mechanism and an interlaced screw grouting mechanism;

[0006] The buckle mechanism includes a first conical block which is sealed and movably sleeved in the conical hole on the left side, a transverse tube located in the round through hole is fixedly connected to the right side of the first conical block, an elastic collapse clamp component which is in tight contact with the inner wall of the round through hole is fixedly sleeved on the transverse tube, a slurry through hole located on the left side of the elastic collapse clamp component is opened on the top, bottom, front side and rear side of the transverse tube, a nut is fixedly connected in the transverse tube, the first conical block is used to seal the conical hole on the left side, the elastic collapse clamp component is used to perform preliminary and convenient collapse clamp positioning when the transverse tube is inserted into the round through hole, and the slurry through hole is used to discharge the slurry to the left side of the round through hole for solidification and strengthening when the slurry is injected into the transverse tube;

[0007] The interspersed threaded grouting mechanism includes a second conical block which is sealed and movably sleeved in the conical hole on the right side, a hexagonal groove is opened on the right side of the second conical block, a grouting hole is opened on the left inner wall of the hexagonal groove, and the left side of the second conical block is connected and fixed with a threaded interspersed slurry distribution component connected to the grouting hole, and a nut is threadedly sleeved on the threaded interspersed slurry distribution component; the second conical block is used to seal the conical hole on the right side, and the threaded interspersed slurry distribution component is used to be screwed into the horizontal pipe through the nut when the second conical block is rotated, and form a threaded effect with the nut, and supply slurry to the horizontal pipe when it is used for grouting through the grouting hole, and discharge the slurry to the right side of the circular through hole for solidification and strengthening.

[0008] Preferably, the elastic collapse assembly includes a fixed sleeve welded on the outside of the transverse tube, the top, front side, bottom and rear side of the fixed sleeve are fixedly connected with the right end of the arc-shaped spring piece, the left ends of the four arc-shaped spring pieces are in active contact with the outside of the fixed sleeve, the arc-shaped spring pieces are in a compressed state and in tight contact with the inner wall of the circular through hole, and the fixed sleeve is located on the right side of the four slurry holes.

[0009] Preferably, the threaded penetration slurry distribution component includes a conical sleeve fixedly connected to the left side of the second conical block, the conical sleeve is connected to the grouting hole, the left side of the conical sleeve is connected and fixed with an external threaded pipe, the top, bottom, front side and rear side of the external threaded pipe are all provided with slurry distribution holes, the left end of the external threaded pipe extends into the horizontal pipe, and the nut threaded sleeve is arranged on the external threaded pipe.

[0010] Preferably, the first conical block and the second conical block are symmetrically arranged.

[0011] Preferably, the outer adhesive sleeve of the first conical block is provided with a first conical sealing rubber sleeve, and the outer side of the first conical sealing rubber sleeve is in tight contact with the inner wall of the left conical hole.

[0012] Preferably, the outer adhesive sleeve of the second conical block is provided with a second conical sealing rubber sleeve, and the outer side of the second conical sealing rubber sleeve is in tight contact with the inner wall of the right conical hole.

[0013] Preferably, the repelling sides of the second conical block and the first conical block are respectively flush with the two sides of the outer wall.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. Through the cooperation of the first conical block, the first conical sealing rubber sleeve, the transverse tube, the nut, the elastic collapse card assembly, the second conical block, the second conical sealing rubber sleeve and the threaded insertion slurry dispersing assembly, a relatively interlaced threaded connection can be formed in the round hole for fixed blocking, so that no one end protrudes outside, thereby ensuring the flatness and aesthetics of both sides of the exterior wall;

[0016] 2. By cooperating with the provided nut and the screw-connected insertion slurry dispersing assembly, and utilizing the screw connection between the external threaded pipe and the nut, the screw connection insertion length of the external threaded pipe can be adjusted according to the round through holes of different lengths, so as to be applicable to the plugging of round through holes of different lengths. The outer surface is flat and beautiful without protrusions, and the insertion and insertion adjustable length is adopted to achieve the effect of flexibly applying the plugging of round through holes of various lengths while ensuring the flatness and beauty of the outer surface, thereby improving the flatness, beauty and applicability of the plugging of holes in the embedded parts of the external wall;

[0017] 3. By cooperating with the provided grouting holes, the screw-connected and inserted grouting components, the second conical blocking blocks and the grouting holes, the multiple structures inside the circular through holes can be strengthened and fixed into one by grouting after fixation, thereby improving the long-term fixation stability.

[0018] The utility model is provided with a series of structures, which can flexibly apply to the sealing of round through holes of various lengths while ensuring the flatness and beauty of the outer side, thereby improving the flatness, beauty and applicability of the sealing of holes of embedded parts of the exterior wall, and facilitating the strengthening and fixing of multiple structures located inside the round through holes into one by grouting after fixation, thereby improving the long-term fixing stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic cross-sectional view of a plugging device for an external wall embedded part proposed by the utility model;

[0020] Figure 2 A schematic diagram of the three-dimensional structure of a plugging device body of an external wall embedded part plugging device proposed by the utility model;

[0021] Figure 3 for Figure 2 Schematic diagram of the right view structure.

[0022] In the figure: 1, outer wall; 101, round through hole; 102, tapered hole; 2, first tapered block; 201, horizontal pipe; 202, slurry hole; 203, fixing sleeve; 204, arc-shaped spring piece; 205, nut; 3, second tapered block; 301, tapered sleeve; 302, external threaded pipe; 303, slurry hole; 304, grouting hole; 305, hexagonal groove. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figures 1 to 3 As shown, a plugging device for an embedded part of an exterior wall proposed in this embodiment includes a round through hole 101 expanded from a screw hole on an exterior wall 1, tapered holes 102 connected to the round through hole 101 are opened on both sides of the exterior wall 1, and a plugging device body is arranged in the two tapered holes 102 and the round through hole 101, and the plugging device body includes a buckle mechanism and an interlaced screw grouting mechanism;

[0025] The buckle mechanism includes a first conical block 2 which is sealingly sleeved in the conical hole 102 on the left side, a transverse tube 201 located in the round through hole 101 is fixedly connected to the right side of the first conical block 2, an elastic collapse card component which is in tight contact with the inner wall of the round through hole 101 is fixedly sleeved on the transverse tube 201, a slurry hole 202 located on the left side of the elastic collapse card component is opened on the top, bottom, front side and rear side of the transverse tube 201, a nut 205 is fixedly connected in the transverse tube 201, the first conical block 2 is used to block the conical hole 102 on the left side, the elastic collapse card component is used to perform preliminary and convenient collapse card positioning when the transverse tube 201 is inserted into the round through hole 101, and the slurry hole 202 is used to discharge the slurry to the left side of the round through hole 101 for solidification and strengthening when the slurry is injected into the transverse tube 201;

[0026] The interlaced screw grouting mechanism includes a second conical block 3 which is sealed and sleeved in the conical hole 102 on the right side, wherein the second conical block 3 and the repelling side of the first conical block 2 are respectively flush with the two sides of the outer wall 1, the first conical block 2 and the second conical block 3 are symmetrically arranged, the outer side adhesive sleeve of the first conical block 2 is provided with a first conical sealing rubber sleeve, and the outer side of the first conical sealing rubber sleeve is in tight contact with the inner wall of the conical hole 102 on the left side, the outer side adhesive sleeve of the second conical block 3 is provided with a second conical sealing rubber sleeve, and the outer side of the second conical sealing rubber sleeve is in tight contact with the inner wall of the conical hole 102 on the right side, and the second conical sealing rubber sleeve and the first conical sealing rubber sleeve are arranged to respectively fit the corresponding inner walls of the conical holes 102 tightly. In order to achieve the sealing effect, a hexagonal groove 305 is provided on the right side of the second conical block 3, and a grouting hole 304 is provided on the left inner wall of the hexagonal groove 305. A threaded through-grouting component connected to the grouting hole 304 is fixed on the left side of the second conical block 3, and a nut 205 is threadedly sleeved on the threaded through-grouting component. The second conical block 3 is used to seal the conical hole 102 on the right side, and the threaded through-grouting component is used to be screwed into the horizontal pipe 201 through the nut 205 when the second conical block 3 is rotated, and forms a threaded effect with the nut 205, and supplies slurry to the horizontal pipe 201 when grouting is performed through the grouting hole 304, and discharges the slurry to the right side of the circular through hole 101 for solidification and strengthening.

[0027] Specifically, the elastic collapse card component includes a fixed sleeve 203 welded on the outside of the transverse tube 201, the top, front side, bottom and rear side of the fixed sleeve 203 are fixedly connected with the right end of the arc-shaped spring piece 204, the left ends of the four arc-shaped spring pieces 204 are in active contact with the outside of the fixed sleeve 203, the arc-shaped spring pieces 204 are in a compressed state and are in tight contact with the inner wall of the round through hole 101, and the fixed sleeve 203 is located on the right side of the four through holes 202; the set fixed sleeve 203 and the arc-shaped spring pieces 204 cooperate, and when the transverse tube 201 is inserted into the round through hole 101, the transverse tube 201 drives the fixed sleeve 203 to enter the round through hole 101, and the fixed sleeve 203 drives the four arc-shaped spring pieces 204 to be squeezed with the inner wall of the round through hole 101. Under the squeezing force, the arc-shaped spring pieces 204 are compressed to produce elastic deformation and are in tight contact with the inner wall of the round through hole 101, and the friction force generated by the tension is used to achieve the effect of initial and convenient collapse card positioning.

[0028] Furthermore, the threaded insertion slurry dispersion component includes a tapered sleeve 301 fixedly connected to the left side of the second tapered block 3, the tapered sleeve 301 is connected to the grouting hole 304, the left side of the tapered sleeve 301 is connected and fixed with an externally threaded pipe 302, the top, bottom, front side and rear side of the externally threaded pipe 302 are all provided with slurry dispersion holes 303, the left end of the externally threaded pipe 302 extends into the cross pipe 201, and the nut 205 is threadedly sleeved on the externally threaded pipe 302; the tapered sleeve 301, the externally threaded pipe 302 and the slurry dispersion hole 303 are matched, and when the second tapered block 3 is moved to the left and rotated, the externally threaded pipe 302 is driven to move to the left and rotate, and the externally threaded pipe 302 is threadedly sleeved with the nut 205 The inside is screwed into the horizontal tube 201 until the second conical block 3 is squeezed against the inner wall of the conical hole 102 on the right side, and the threaded connection between the nut 205 and the external threaded tube 302 is used to realize the enhanced locking of the first conical block 2 and the second conical block 3. The threaded connection between the external threaded tube 302 and the nut 205 can be used to adjust the insertion length according to the circular holes 101 of different lengths while hiding, thereby improving the scope of application. The grouting hole 304 is used for grouting, and the slurry is supplied into the horizontal tube 201 through the external threaded tube 302. A part of the slurry is discharged into the circular hole 101 through a plurality of slurry holes 303 for solidification, and the solidified slurry is used to further enhance the fixing effect.

[0029] The method of using this embodiment is as follows: before plugging, the external threaded tube 302 and the nut 205 are in a separated state. When plugging, first insert the horizontal tube 201 into the round through hole 101 from the left side, and push the first conical block 2 into the conical hole 102 on the left side. The first conical block 2 drives the first conical sealing rubber sleeve to fit and seal with the inner wall of the conical hole 102 on the left side. When the horizontal tube 201 is inserted into the round through hole 101, the horizontal tube 201 also drives the fixing sleeve 203 to enter the round through hole 10 1, the fixing sleeve 203 drives the four arc-shaped spring pieces 204 to squeeze with the inner wall of the round through hole 101. Under the squeezing force, the arc-shaped spring pieces 204 are compressed to produce elastic deformation and are in tight contact with the inner wall of the round through hole 101. The friction force generated by the tightness is used to achieve the effect of preliminary convenient collapse and positioning; then the second conical block 3 is moved left and rotated, and the second conical block 3 drives the external threaded tube 302 to move left and rotate through the conical sleeve 301, and the external threaded tube 302 is screwed into the horizontal tube 2 through the nut 205. 01, and then the personnel can insert an external hexagonal wrench into the hexagonal slot 305 to apply force to rotate the second conical block 3 until the second conical block 3 drives the second conical sealing rubber sleeve to squeeze tightly against the inner wall of the conical hole 102 on the right side, and use the threaded connection between the nut 205 and the external threaded tube 302 to achieve enhanced locking of the first conical block 2 and the second conical block 3, and use the external threaded tube 302 and the nut 205 to be relatively hidden in the round through hole 101 for connection, so that the outside will not One end protrudes, ensuring the flatness and aesthetics of both sides of the exterior wall 1. In addition, by using the threaded connection between the external threaded tube 302 and the nut 205, the screw connection insertion length of the external threaded tube 302 can be adjusted according to the round through holes 101 of different lengths, so as to be suitable for plugging the round through holes 101 of different lengths, so as to achieve the effect of flexibly applying the plugging of the round through holes 101 of various lengths while ensuring the flatness and aesthetics of the outer side, thereby improving the flatness, aesthetics and applicability of the plugging of the holes of the embedded parts of the exterior wall;

[0030] Personnel use external grouting equipment and grouting pipes to perform grouting work through the grouting holes 304. The slurry is supplied into the transverse pipe 201 through the external threaded pipe 302. The slurry entering the transverse pipe 201 is injected into the left side of the circular hole 101 through the slurry hole 202 for solidification and strengthening. A part of the slurry entering the external threaded pipe 302 is dispersed into the circular hole 101 through multiple slurry holes 303 for solidification. After the slurry solidifies, it can directly further strengthen the fixation of the fixing sleeve 203, the transverse pipe 201 and the external threaded pipe 302, so that they form a fixed whole, thereby improving the long-term fixation stability.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A plugging device for an external wall embedded part, comprising a round through hole (101) expanded from a screw hole on an external wall (1), tapered holes (102) connected to the round through hole (101) are opened on both sides of the external wall (1), and a plugging device body is arranged in the two tapered holes (102) and the round through hole (101), characterized in that: The plugging device body includes a buckle connection mechanism and an interlaced screw connection grouting mechanism; The buckle mechanism comprises a first conical block (2) which is sealingly sleeved in the conical hole (102) on the left side, a transverse tube (201) located in the round through hole (101) being fixedly connected to the right side of the first conical block (2), an elastic collapse-locking component which is in tight contact with the inner wall of the round through hole (101) being fixedly sleeved on the transverse tube (201), a slurry through hole (202) located on the left side of the elastic collapse-locking component being opened on the top, bottom, front side and rear side of the transverse tube (201), and a nut (205) being fixedly connected in the transverse tube (201); The threaded grouting mechanism comprises a second conical block (3) which is sealingly sleeved in the conical hole (102) on the right side, a hexagonal groove (305) is provided on the right side of the second conical block (3), a grouting hole (304) is provided on the left inner wall of the hexagonal groove (305), a threaded threaded grouting assembly connected to the grouting hole (304) is fixed on the left side of the second conical block (3), and a nut (205) is threadedly sleeved on the threaded threaded grouting assembly.

2. The external wall embedded component blocking device according to claim 1, characterized in that: The elastic collapse assembly comprises a fixed sleeve (203) welded and sleeved on the outside of the transverse tube (201); the top, front side, bottom side and rear side of the fixed sleeve (203) are all fixedly connected with the right end of the arc-shaped spring piece (204); the left ends of the four arc-shaped spring pieces (204) are all in active contact with the outside of the fixed sleeve (203); the arc-shaped spring pieces (204) are in a compressed state and in tight contact with the inner wall of the round through hole (101); and the fixed sleeve (203) is located on the right side of the four slurry through holes (202).

3. The external wall embedded part blocking device according to claim 1, characterized in that: The threaded insertion slurry dispersion assembly comprises a conical sleeve (301) fixedly connected to the left side of the second conical block (3); the conical sleeve (301) is connected to the grouting hole (304); an external threaded pipe (302) is fixedly connected to the left side of the conical sleeve (301); slurry dispersion holes (303) are provided at the top, bottom, front side and rear side of the external threaded pipe (302); the left end of the external threaded pipe (302) extends into the transverse pipe (201); and a nut (205) is threadedly sleeved on the external threaded pipe (302).

4. The external wall embedded component blocking device according to claim 1, characterized in that: The first conical block (2) and the second conical block (3) are symmetrically arranged.

5. The external wall embedded component blocking device according to claim 1, characterized in that: The outer adhesive sleeve of the first conical block (2) is provided with a first conical sealing rubber sleeve, and the outer side of the first conical sealing rubber sleeve is in tight contact with the inner wall of the left conical hole (102).

6. The external wall embedded component blocking device according to claim 1, characterized in that: The outer adhesive sleeve of the second conical block (3) is provided with a second conical sealing rubber sleeve, and the outer side of the second conical sealing rubber sleeve is in tight contact with the inner wall of the right conical hole (102).

7. The external wall embedded component blocking device according to claim 1, characterized in that: The repelling sides of the second conical block (3) and the first conical block (2) are respectively flush with the two sides of the external wall (1).

Citation Information

Patent Citations

  • Plugging device for screw hole of outer wall

    CN220667073U