A prefabricated wallboard PVC pipe mounting device

Abstract

The application provides a prefabricated wallboard PVC pipe mounting device, and belongs to the technical field of building construction. The technical scheme is as follows: the device comprises an annular connecting piece, the annular connecting piece comprises a large-diameter annular fixed part and a small-diameter annular extrusion part, the small-diameter annular extrusion part is composed of a plurality of circumferentially distributed extrusion plates; the device further comprises a circular extrusion piece for extruding the extrusion plates from the inside of the small-diameter annular extrusion part, the circular extrusion piece comprises an annular circular truncated cone part and a circular plate concentrically arranged at the large end of the circular truncated cone part; a fixed plate is arranged at the center position of the large-diameter annular fixed part, a plurality of inner support plates are connected between the fixed plate and the inner wall of the large-diameter annular fixed part, a plurality of rectangular notches corresponding to the inner support plates are arranged on the side wall of the circular truncated cone part, and the inner support plates are arranged on the top wall of the rectangular notches through springs; threaded holes are arranged at the center positions of the circular plate and the fixed plate, and a screw rod capable of being arranged in the threaded holes is further included. The application has the beneficial effects of assisting manual installation of PVC pipes and plugging of the PVC pipes.

Description

[0001] The present application is a divisional application, the original application is named: a prefabricated wallboard reserved hole construction device, the original application date is: 2022-04-01, the original application number is: CN202210348940.4. TECHNICAL FIELD

[0002] The present application belongs to the technical field of building construction, especially relates to a prefabricated wallboard PVC pipe installation device. BACKGROUND

[0003] In the production process of residential industrialization prefabricated wallboard, through-wall holes need to be reserved in prefabricated outer walls and inner walls. In the traditional method, PVC pipes are used for reservation. Usually, a steel reinforcement cage is set in the formwork, then a conical insertion rod is set at the specified position of the steel reinforcement cage, and then the PVC pipe is hammered into the conical insertion rod. In addition, in order to prevent the PVC pipe from being blocked, the upper part of the PVC pipe also needs to be plugged. In actual work, flexible materials are usually used to plug the PVC pipe, which is easy to fall off. At present, the placement of the PVC pipe and the plugging of the PVC pipe are operated separately, which affects the construction efficiency. SUMMARY

[0004] The purpose of the present application is to provide a prefabricated wallboard reserved hole construction device for assisting manual installation of PVC pipes and plugging of PVC pipes.

[0005] The present application is achieved by the following measures: a prefabricated wallboard PVC pipe installation device, characterized in that it comprises a ring-shaped connecting piece matched with the PVC pipe, the ring-shaped connecting piece comprises a large-diameter ring-shaped fixed part and a small-diameter ring-shaped extrusion part, and the small-diameter ring-shaped extrusion part is composed of a plurality of circumferentially distributed extrusion plates;

[0006] It also includes a circular extrusion piece for extruding the extrusion plates from the inside of the small-diameter ring-shaped extrusion part, and the circular extrusion piece includes a circular truncated cone part and a circular plate concentrically arranged at the large end of the circular truncated cone part;

[0007] The outer diameter of the circular plate is slightly larger than the outer diameter of the large-diameter ring-shaped fixed part, and the outer diameter of the large-diameter ring-shaped fixed part is slightly larger than the outer diameter of the PVC pipe;

[0008] The center position of the large-diameter ring-shaped fixed part is provided with a fixed plate, and the fixed plate and the inner wall of the large-diameter ring-shaped fixed part are connected by a plurality of inner support plates, a plurality of rectangular notches corresponding to the inner support plates are arranged on the side wall of the circular truncated cone part, the inner support plates can slide up and down in the rectangular notches, and the inner support plates are arranged on the top wall of the rectangular notches through springs;

[0009] The small diameter annular extrusion part is inserted into the PVC pipe, the small end of the circular truncated cone part can gradually extend into the small diameter annular extrusion part, the extrusion plates are in contact with the side wall of the circular truncated cone part, and the extrusion plates are expanded outward and abut against the inner wall of the PVC pipe;

[0010] The center positions of the circular plate and the fixing plate are provided with threaded holes, and the construction device further comprises a screw rod which can be arranged in the threaded holes.

[0011] Working principle: the lower end of the PVC pipe is inserted into the conical insertion rod, the extrusion plates are inserted into the upper end of the PVC pipe, then the circular truncated cone part is pressed, the spring is compressed, the lower end of the circular truncated cone part gradually extends into the small diameter annular extrusion part, all the extrusion plates are pushed out through the outer wall of the circular truncated cone part until the extrusion plates abut against the inner wall of the PVC pipe, the PVC pipe is fixed, then the screw rod is rotated, the circular plate and the fixing plate are connected through the screw rod, the position of the circular truncated cone part is fixed, and after installation is completed, the circular plate is hit or pressed, and the PVC pipe is installed into the conical insertion rod under the action of an external force.

[0012] The fixing plate and the inner support plate are located at the lower part of the large diameter annular fixing part, so that the spring can be hidden between the circular plate and the support plate when being compressed.

[0013] Further comprising a jacking structure, the jacking structure comprises an annular cylinder arranged outside the circular plate, and the inner wall of the annular cylinder is provided with a plurality of spring pins which can abut against the outer wall of the large diameter annular fixing part;

[0014] The inner wall of the annular cylinder is provided with a mounting plate, a threaded stud is arranged in the center position of the mounting plate and penetrates through the mounting plate, and the construction device further comprises a supporting structure arranged on the upper part of the outer wall of the annular cylinder. The lower end of the supporting structure abuts against the bottom of a formwork or presses a steel reinforcement cage, and then the bottom end of the threaded stud presses the circular plate by rotating the threaded stud.

[0015] The jacking structure further comprises a sleeve which is arranged on the threaded stud in a threaded connection mode, the sleeve is located inside the annular cylinder, three horizontal shift rods are arranged on the outer wall of the threaded stud and above the circular plate in a circumferential direction, a driving rod which can be inserted between two adjacent shift rods is arranged on the lower end surface of the threaded stud, and the driving rod is two or three.

[0016] When the lower end of the PVC pipe is inserted into the conical insertion rod, the extrusion plate is inserted into the upper end of the PVC pipe, the stud can be rotated, the stud and the sleeve are rotated at the same time, when the sleeve contacts the circular plate, the circular plate is forced to compress the spring, the lower end of the circular platform gradually enters the small-diameter annular extrusion part, all the extrusion plates are pushed out through the outer wall of the circular platform until the extrusion plates are pushed against the inner wall of the PVC pipe, and the PVC pipe is fixed;

[0017] Continue to rotate the stud, when the large-diameter annular fixing part abuts against the PVC pipe, the sleeve cannot continue to compress the spring, at this time, the PVC pipe is pressed to gradually insert into the conical insertion rod, when the PVC pipe enters a proper position and cannot be inserted and the sleeve still abuts against the circular plate;

[0018] At this time, the stud is rotated again, the sleeve cannot continue to rotate, the screw rod enters the inside of the sleeve until the driving rod on the screw rod reaches between two adjacent horizontal shift rods, then the horizontal shift rods are driven to rotate through the driving rod, the screw rod is rotated, the screw rod on the circular rod enters the threaded hole in the fixing plate, and then the annular barrel can be directly lifted in advance.

[0019] The side surface of the horizontal shift rod is a curved surface. In this way, the driving rod can be avoided from abutting against the horizontal shift rod as much as possible.

[0020] The support structure comprises ear plates that are circumferentially and uniformly arranged on the outer wall of the annular barrel, three ear plates are arranged, an adjusting screw is fixedly arranged on each ear plate, a support sleeve is sleeved with each adjusting screw, the support sleeve is fixed on the adjusting screw through a nut, and the adjusting screw can be placed on a steel reinforcement cage.

[0021] A support stud is arranged on the support sleeve in a threaded connection mode. The support stud can abut against the bottom of a formwork.

[0022] A handle is arranged at the upper end of the stud, the handle can be detachably connected, and the handle can be rotated to save labor.

[0023] A baffle is arranged above the ear plate and used for preventing the support sleeve from rotating upwards.

[0024] Compared with the prior art, the beneficial effects of the present application are as follows: PVC pipes are artificially installed and blocked; the installation and blocking are simultaneously performed through the jacking structure; the overall structure is simple, and the use and operation are convenient. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a structural schematic view of the annular connecting piece and the circular extruding piece.

[0026] Figure 2 It is a schematic diagram of the overall structure of the application;

[0027] Figure 3 It is an exploded view of the application;

[0028] Figure 4 It is a schematic diagram of the structure of the jacking structure and the supporting structure;

[0029] Figure 5 It is a reference diagram in use;

[0030] Figure 6 It is Figure 5 It is an enlarged view of part A;

[0031] Figure 7 It is a schematic diagram of the structure of the supporting structure;

[0032] Wherein, the reference signs are: 1, large-diameter annular fixed part; 2, small-diameter annular extrusion part; 3, circular extrusion piece; 4, jacking structure; 5, supporting structure; 6, screw rod; 7, rectangular notch; 8, spring pin; 9, formwork; 10, steel cage; 11, conical insertion rod; 12, PVC pipe; 101, fixed plate; 102, inner support plate; 201, extrusion plate; 301, circular truncated cone part; 302, circular plate; 303, spring; 401, annular cylinder; 402, stud; 403, handle; 404, sleeve; 405, driving rod; 501, ear plate; 502, adjusting screw rod; 503, supporting sleeve; 504, baffle; 505, supporting stud; 601, horizontal push rod. DETAILED DESCRIPTION

[0033] In order to clearly illustrate the technical features of the present application, the present application will be described below through specific embodiments.

[0034] Example 1:

[0035] Referring to Figure 1 , Figure 2 and Figure 3 , a PVC pipe mounting device for prefabricated wall panels, comprising an annular connecting piece matched with the PVC pipe, the annular connecting piece comprising a large-diameter annular fixed part 1 and a small-diameter annular extrusion part 2, the small-diameter annular extrusion part 2 being composed of a plurality of circumferentially distributed extrusion plates 201;

[0036] Further comprising a circular extrusion piece 3 for extruding the extrusion plates 201 from the inside of the small-diameter annular extrusion part 2, the circular extrusion piece 3 comprising a circular truncated cone part 301 and a circular plate 302 concentrically arranged at the large end of the circular truncated cone part 301;

[0037] The outer diameter of the circular plate 302 is slightly larger than the outer diameter of the large-diameter annular fixed part 1, and the outer diameter of the large-diameter annular fixed part 1 is slightly larger than the outer diameter of the PVC pipe 12.

[0038] The center of the large-diameter annular fixing part 1 is provided with a fixing plate 101, and the fixing plate 101 and the inner wall of the large-diameter annular fixing part 1 are connected through a plurality of inner support plates 102. A plurality of rectangular notches 7 corresponding to the inner support plates 102 are arranged on the side wall of the circular table part 301. The inner support plates 102 can slide up and down in the rectangular notches 7. The inner support plates 102 are arranged on the top wall of the rectangular notches 7 through springs 303.

[0039] The small-diameter annular extrusion part 2 is inserted into the PVC pipe 12, and the small end of the circular table part 301 can gradually extend into the small-diameter annular extrusion part 2. The extrusion plate 201 is in contact with the side wall of the circular table part 301, and the extrusion plate 201 expands outward and rests on the inner wall of the PVC pipe 12.

[0040] The center of the circular plate 302 and the fixing plate 101 is provided with a threaded hole, and further comprises a screw 6 which can be arranged in the threaded hole.

[0041] The fixing plate 101 and the inner support plate 102 are located in the lower part of the large-diameter annular fixing part 1, so that the spring 303 can be hidden between the circular plate 302 and the support plate when compressed.

[0042] Working principle: insert the lower end of the PVC pipe 12 into the tapered plug 11, insert the extrusion plate 201 into the upper end of the PVC pipe 12, then press the circular table part 301, the spring 303 is compressed, the lower end of the circular table part 301 gradually enters the small-diameter annular extrusion part 2, all the extrusion plates 201 are pushed out through the outer wall of the circular table part 301 until the extrusion plates 201 rest on the inner wall of the PVC pipe 12, the PVC pipe 12 is fixed, then rotate the screw 6, connect the circular plate 302 and the fixing plate 101 through the screw 6, and fix the position of the circular table part 301. After installation, hit or press the circular plate 302, and install the PVC pipe 12 into the tapered plug 11 under the action of external force.

[0043] Example two:

[0044] Reference Figures 2-6 On the basis of example one, further comprising a jacking structure 4, the jacking structure 4 comprises an annular cylinder 401 arranged outside the circular plate 302, and a plurality of spring pins 8 capable of being pushed against the outer wall of the large-diameter annular fixing part 1 are arranged on the lower part of the inner wall of the annular cylinder 401;

[0045] The upper part of the inner wall of the annular cylinder 401 is provided with a mounting plate, the center of the mounting plate is provided with a threaded connection through a stud 402, and the construction device further comprises a support structure 5 arranged on the upper part of the outer wall of the annular cylinder 401. The lower end of the support structure 5 is pushed against the bottom of the formwork 9 or pressed on the steel cage 10, and then the bottom end of the stud 402 is pressed against the circular plate 302 by rotating the stud 402.

[0046] The jacking structure 4 further comprises a sleeve 404 arranged on the stud 402 by screwing, the sleeve 404 is located inside the annular barrel 401, three horizontal shift rods 601 are arranged on the outer wall of the upper end of the screw rod 6 and above the circular plate 302 in the circumferential direction, a driving rod 405 capable of being inserted between two adjacent shift rods is arranged on the lower end surface of the stud 402, and the driving rod 405 is provided with two or three.

[0047] The side surface of the horizontal shift rod 601 is curved. In this way, the driving rod 405 can be prevented from being pressed against the horizontal shift rod 601 as much as possible.

[0048] A handle 403 is arranged on the upper end of the stud 402, the handle 403 can be connected in a detachable manner, and the handle 403 can be rotated to save labor.

[0049] The support structure 5 comprises ear plates 501 arranged on the outer wall of the annular barrel 401 in the circumferential direction, the ear plates 501 are arranged in three, an adjusting screw rod 502 is fixedly arranged on each of the ear plates 501, a support sleeve 503 is sleeved on the adjusting screw rod 502, the support sleeve 503 is fixed on the adjusting screw rod 502 by a nut, and the adjusting screw rod 502 can be placed on the steel reinforcement cage 10.

[0050] When the lower end of the PVC pipe 12 is inserted into the tapered insertion rod 11 and the pressing plate 201 is inserted into the upper end of the PVC pipe 12, the position of the support sleeve 503 is adjusted according to the actual situation, so that the support sleeve 503 is placed on the steel reinforcement cage 10. Then the stud 402 is rotated, the stud 402 and the sleeve 404 are rotated at the same time, when the sleeve 404 contacts the circular plate 302, the circular plate 302 is stressed to compress the spring 303, the lower end of the circular platform 301 gradually enters the small-diameter annular pressing part 2, all the pressing plates 201 are pushed out through the outer wall of the circular platform 301 until the pressing plates 201 are pushed against the inner wall of the PVC pipe 12, and the fixing of the PVC pipe 12 is realized;

[0051] The stud 402 is continuously rotated, when the large-diameter annular fixing part 1 abuts against the PVC pipe 12, the sleeve 404 cannot continue to compress the spring 303, at this time the PVC pipe 12 is pressed to gradually insert into the tapered insertion rod 11, when the PVC pipe 12 reaches a suitable position and cannot be inserted and the sleeve 404 still abuts against the circular plate 302;

[0052] At this time, the stud 402 is rotated again, the sleeve 404 cannot continue to rotate, the screw rod 6 enters the inside of the sleeve 404 until the driving rod 405 on the screw rod 6 reaches between two adjacent horizontal shift rods 601, then the horizontal shift rod 601 is driven to rotate through the driving rod 405, so that the screw rod 6 is rotated, so that the screw rod 6 on the circular rod enters the threaded hole in the fixing plate 101, and then the annular barrel 401 can be directly lifted in advance.

[0053] Embodiment three:

[0054] Referring to Figure 7 On the basis of embodiment two, the support sleeve 503 is provided with a support stud 505 through threaded connection. Adjusting the positions of the support sleeve 503 and the support stud 505 can make the support stud 505 abut against the bottom of the formwork.

[0055] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0056] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application. In addition, the terms "first", "second" and the like are only used for description purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0057] In the description of the present application, it should be noted that unless otherwise specified and limited, the terms "mounting", "connecting", "connecting", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood through specific circumstances.

[0058] The technical features not described in the present application can be realized by or with the prior art, which will not be repeated here. Of course, the above description is not a limitation of the present application, and the present application is not limited to the above examples. Changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present application should also be within the scope of protection of the present application.

Claims

1. A prefabricated wall panel PVC pipe installation device, characterized in that, Includes an annular connector that matches a PVC pipe, the annular connector comprising a large-diameter annular fixing part and a small-diameter annular extrusion part, the small-diameter annular extrusion part being composed of several circumferentially distributed extrusion plates; It also includes a circular extruder for extruding the extrusion plate from inside the small-diameter annular extrusion section, the circular extruder comprising an annular frustum portion and a circular plate concentrically disposed at the large end of the frustum portion; The outer diameter of the circular plate is slightly larger than the outer diameter of the large-diameter annular fixing part, and the outer diameter of the large-diameter annular fixing part is slightly larger than the outer diameter of the PVC pipe. A fixing plate is provided at the center of the large-diameter annular fixing part. The fixing plate and the inner wall of the large-diameter annular fixing part are connected by several inner support plates. Several rectangular notches corresponding to the inner support plates are provided on the side wall of the frustum part. The inner support plates can slide up and down in the rectangular notches. The inner support plates are set on the top wall of the rectangular notches by springs. The small-diameter annular extrusion section is inserted into the PVC pipe, and the small end of the frustum section can gradually extend into the small-diameter annular extrusion section. The extrusion plate contacts the side wall of the frustum section, and the extrusion plate expands outward and presses against the inner wall of the PVC pipe. Both the circular plate and the fixed plate are provided with threaded holes at their center positions, and the plate also includes a screw that can be disposed in the threaded holes. It also includes a jacking structure, which includes an annular cylinder disposed on the outside of the circular plate, and a number of spring pins that can push against the outer wall of the large-diameter annular fixing part are disposed on the lower part of the inner wall of the annular cylinder. An mounting plate is provided on the upper part of the inner wall of the annular cylinder, and a stud is threaded through the center of the mounting plate. The construction device also includes a support structure disposed on the upper part of the outer wall of the annular cylinder; The jacking structure also includes a sleeve that is threadedly connected to the stud. The sleeve is located inside the annular cylinder. Three horizontal levers are circumferentially arranged on the upper end of the outer wall of the screw and above the circular plate. A drive rod that can be inserted between two adjacent levers is provided on the lower end face of the stud. Two or three drive rods are provided.

2. The precast wall panel PVC pipe installation device according to claim 1, characterized in that, Both the fixing plate and the inner support plate are located at the lower part of the large-diameter annular fixing part.

3. The precast wall panel PVC pipe installation device according to claim 1, characterized in that, The side of the horizontal lever is curved.

4. The precast wall panel PVC pipe installation device according to claim 1, characterized in that, The support structure includes ear plates evenly distributed circumferentially on the outer wall of the annular cylinder. There are three ear plates, and each ear plate is fixedly provided with an adjusting screw. Each adjusting screw is sleeved with a support sleeve, and the support sleeve is fixed to the adjusting screw by a nut. The adjusting screw can be placed on the reinforcing cage.

5. The precast wall panel PVC pipe installation device according to claim 4, characterized in that, The support sleeve is provided with a support stud by means of a threaded connection.

6. The precast wall panel PVC pipe installation device according to claim 5, characterized in that, A handle is provided at the upper end of the stud.

7. The precast wall panel PVC pipe installation device according to claim 4, characterized in that, A baffle is provided above the ear plate to prevent the support sleeve from rotating upwards.

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