Pre-embedded type screw rod of heat preservation integrated plate

Abstract

The utility model discloses a pre-embedded screw rod of a heat preservation integrated plate. The pre-embedded screw rod comprises a pre-embedded sleeve, a connecting rod part, a rotation stopping blocking piece and an ejection lug. According to the heat preservation integrated plate pre-embedded screw, the outer side of a building wall is fixedly connected with a heat preservation integrated plate, the heat preservation integrated plate and the building wall are jointly provided with a pre-embedded hole, a pre-embedded sleeve is inserted into the pre-embedded hole, notches are circumferentially formed in the portion, inserted into the building wall, of the pre-embedded sleeve at equal intervals, ejection lugs are arranged in the notches, and the ejection lugs are elastically connected with the pre-embedded sleeve. The side wall, corresponding to the heat preservation integrated plate, of the pre-embedded sleeve is symmetrically and fixedly connected with rotation stopping blocking pieces, the rotation stopping blocking pieces are knocked and embedded into the heat preservation integrated plate, a connecting rod part matched with the pre-embedded sleeve is inserted into the pre-embedded sleeve, the pre-embedded sleeve is directly inserted into a building wall, and the ejection lugs are ejected out of the notches through insertion of the connecting rod part, so that pre-embedded fixing is formed; and meanwhile, the rotation stopping blocking piece is inserted into the heat preservation integrated plate, rotation of the pre-embedded sleeve is prevented, and therefore the situation that the pre-embedded sleeve is pulled off and loosened is effectively avoided, and stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fasteners, in particular to a pre-embedded screw rod of a thermal insulation integrated plate. Background Art

[0002] The thermal insulation integrated board is a material used for exterior wall thermal insulation decoration. It is a thermal insulation material composed of a thermal insulation layer, a strong composite adhesive, and a finishing coating.

[0003] When pre-embedding bolts on an insulation integrated panel, due to the structural characteristics of the insulation integrated panel, the pre-embedded bolts have poor stability in the insulation integrated panel and are prone to loosening. Therefore, a pre-embedded screw for an insulation integrated panel is proposed to solve the above problem. Utility Model Content

[0004] The utility model aims to provide a pre-embedded screw for a thermal insulation integrated plate to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A pre-embedded screw of an integrated insulation board comprises a building wall, wherein an integrated insulation board is fixedly connected to the outer side of the building wall, an embedded hole is provided on the integrated insulation board and the building wall, an embedded sleeve is inserted into the embedded hole, the embedded sleeve is inserted into the inner part of the building wall and has notches provided at equal distances from the circumference, a ejection ear is provided in the notch, the ejection ear is elastically connected to the embedded sleeve, an anti-rotation baffle is symmetrically fixedly connected to the side wall of the embedded sleeve corresponding to the integrated insulation board, the anti-rotation baffle is knocked and embedded in the integrated insulation board, a connecting rod portion adapted thereto is inserted into the embedded sleeve, the connecting rod portion is a bare rod, and an avoidance groove corresponding to and adapted to the ejection ear is provided on the connecting rod portion.

[0007] As a further solution of the utility model: the front end of the embedded sleeve is fixedly connected with a pressing plate, and the circumference of one side of the pressing plate in contact with the thermal insulation integrated plate is fixedly connected with a fixing cone, and the fixing cone is inserted into the thermal insulation integrated plate.

[0008] As a further solution of the utility model: the tail end of the connecting rod part is symmetrically provided with a non-return groove, the tail end of the embedded sleeve is provided with a non-return tooth corresponding to the non-return groove, the non-return tooth is elastically connected to the embedded sleeve, the non-return tooth is inserted into the non-return groove and adapted to the non-return groove.

[0009] As a further solution of the utility model: a guide groove is provided on the connecting rod part, and a guide bar is fixedly connected to the inner wall of the embedded sleeve, the guide bar corresponds to and fits with the guide groove, and the guide bar is slidably connected with the guide groove after being inserted into the guide groove.

[0010] As a further solution of the utility model: an external threaded portion is provided at the end of the connecting rod portion, and a nut is threadedly connected to the external threaded portion.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The embedded sleeve of the utility model is directly inserted into the building wall. The push-out ear is pushed out of the notch by inserting the connecting rod part, thereby forming a pre-embedded fixation. At the same time, the anti-rotation baffle is inserted into the thermal insulation integrated board to prevent the embedded sleeve from rotating, thereby effectively avoiding the situation of being pulled off and loose, and improving stability.

[0013] 2. The utility model reinforces the position of the thermal insulation integrated plate at the insertion position of the embedded sleeve by means of a fixed cone and a pressure plate, thereby effectively reducing the occurrence of cracking after the hole is opened.

[0014] 3. The utility model guides the connecting rod part to be inserted into the embedded sleeve through the cooperation of the guide groove and the guide sleeve to prevent the connecting rod part from rotating in the embedded sleeve. The anti-return tooth cooperates with the anti-return groove to form a anti-return effect after the connecting rod part is inserted into the embedded sleeve, thereby playing an anti-pullout function, preventing the connecting rod part from being pulled out, causing the ejection ear to shrink, and causing the embedded sleeve to loosen and fall off. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The present invention is a schematic diagram of the structure of a pre-embedded screw in an integrated insulation panel.

[0016] Figure 2 This is a diagram showing the connecting rod portion of a pre-embedded screw in an integrated insulation panel.

[0017] Figure 3 This is a display diagram of a pre-embedded sleeve in a pre-embedded screw of an integrated insulation panel.

[0018] Figure 4 This is a cross-sectional view of the local structure of a pre-embedded screw in an integrated insulation panel.

[0019] In the figure: 1. building wall; 2. thermal insulation integrated board; 3. embedded hole; 4. embedded sleeve; 5. ejector ear; 6. anti-rotation baffle; 7. connecting rod; 8. avoidance groove; 9. external threaded portion; 10. nut; 11. pressure plate; 12. fixing cone; 13. notch; 14. anti-return groove; 15. anti-return tooth; 16. guide groove; 17. guide strip. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figures 1 to 4In the embodiment of the utility model, a pre-embedded screw of an insulation integrated panel comprises a building wall 1, a thermal insulation integrated panel 2 is fixedly connected to the outer side of the building wall 1, an embedded hole 3 is provided on the thermal insulation integrated panel 2 and the building wall 1, an embedded sleeve 4 is inserted in the embedded hole 3, the embedded sleeve 4 is inserted into the building wall 1 and a notch 13 is provided on the circumference of the part with equal distance, a knock-out ear 5 is provided in the notch 13, the knock-out ear 5 is elastically connected to the embedded sleeve 4, the embedded sleeve 4 is symmetrically fixedly connected with a rotation-stopping baffle 6 on the side wall corresponding to the thermal insulation integrated panel 2, the rotation-stopping baffle 6 is knocked and embedded in the thermal insulation integrated panel 2, a connecting rod portion 7 adapted thereto is inserted in the embedded sleeve 4, the connecting rod portion 7 is a bare rod, and a avoidance groove 8 corresponding to and adapted to the knock-out ear 5 is provided on the connecting rod portion 7.

[0022] The embedded sleeve 4 is directly inserted into the building wall 1, and the push-out ear 5 is pushed out of the notch 3 by the insertion of the connecting rod 7 to form an embedded fixation. At the same time, the anti-rotation baffle 6 is inserted into the thermal insulation integrated board 2 to prevent the embedded sleeve 4 from rotating, thereby effectively avoiding the situation of being pulled off and loose, and improving stability.

[0023] A pressing plate 11 is fixedly connected to the front end of the embedded sleeve 4 , and a fixing cone 12 is fixedly connected to the circumference of one side of the pressing plate 11 that is in contact with the thermal insulation integrated plate 2 . The fixing cone 12 is inserted into the thermal insulation integrated plate 2 .

[0024] The position of the heat-insulating integrated board 2 at the insertion position of the embedded sleeve 4 is reinforced by the fixing cone 12 in cooperation with the pressing plate 11, thereby effectively reducing the occurrence of cracking after the hole is opened.

[0025] The tail end of the connecting rod part 7 is symmetrically provided with a non-return groove 14 , and the tail end of the embedded sleeve 4 is provided with a non-return tooth 15 corresponding to the non-return groove 14 . The non-return tooth 15 is elastically connected to the embedded sleeve 4 , and the non-return tooth 15 is inserted into the non-return groove 14 and adapted to the non-return groove 14 .

[0026] A guide groove 16 is provided on the connecting rod portion 7 , and a guide bar 17 is fixedly connected to the inner wall of the embedded sleeve 4 . The guide bar 17 corresponds to and fits with the guide groove 16 . The guide bar 17 is inserted into the guide groove 14 and is slidably connected with the guide groove 14 .

[0027] The connecting rod part 7 is inserted into the embedded sleeve 4 to be guided by the cooperation of the guide groove 16 and the guide sleeve 17 to prevent the connecting rod part 7 from rotating in the embedded sleeve 4. The anti-return tooth 15 cooperates with the anti-return groove 14 to form a anti-return effect after the connecting rod part 7 is inserted into the embedded sleeve 4, thereby playing an anti-pullout function to prevent the connecting rod part 7 from being pulled out, causing the ejection ear 5 to shrink, and causing the embedded sleeve 4 to loosen and fall off.

[0028] An external threaded portion 9 is provided at the end of the connecting rod portion 7 , and a nut 10 is threadedly connected to the external threaded portion 9 .

[0029] The working principle of the utility model is:

[0030] When in use, pre-embedded holes 3 are opened on the building wall 1 and the thermal insulation integrated board 2, the pre-embedded screw is placed in the pre-embedded hole 3, the pre-embedded sleeve 4 is inserted into the pre-embedded hole 3, and the pre-embedded screw is knocked to make the pressure plate 11 fit with the thermal insulation integrated board 2, the anti-rotation baffle 6 is embedded in the thermal insulation integrated board 2, and the fixing cone 12 is inserted into the outer edge of the pre-embedded hole 3 to form reinforcement. At this time, further knocking is performed to make the connecting rod part 7 continue to be inserted, thereby avoiding the misalignment of the groove 8 and the ejection ear 5, and the connecting part 7 pushes the ejection ear 5 The notch 13 is pressed against the inner wall of the embedded hole 3, and in this process, the tail end of the connecting rod part 7 pushes the anti-return tooth 15 open to facilitate the insertion of the connecting rod part 7, until the connecting rod part 7 stops inserting, and the anti-return tooth 15 is inserted into the anti-return groove 14 under the left and right of the elastic force, thereby preventing the connecting rod part 17 from being reversed, thereby completing the embedded fixation of the bolt rod.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A pre-buried screw rod for an integrated thermal insulation panel, comprising a building wall (1), characterized in that: The outer side of the building wall (1) is fixedly connected with a heat-insulating integrated plate (2), the heat-insulating integrated plate (2) and the building wall (1) are provided with a pre-buried hole (3), an embedded sleeve (4) is inserted into the pre-buried hole (3), the embedded sleeve (4) is inserted into the building wall (1) and has a notch (13) at an equal distance from the circumference, a push-out ear (5) is provided in the notch (13), the push-out ear (5) is elastically connected to the embedded sleeve (4), a rotation-stopping baffle (6) is symmetrically fixedly connected to the side wall of the embedded sleeve (4) corresponding to the heat-insulating integrated plate (2), a connecting rod portion (7) matched therewith is inserted into the embedded sleeve (4), and a avoidance groove (8) corresponding to and matched with the push-out ear (5) is provided on the connecting rod portion (7).

2. The pre-buried screw of the thermal insulation integrated panel according to claim 1, characterized in that: The front end of the embedded sleeve (4) is fixedly connected to a pressing plate (11), and the circumference of one side of the pressing plate (11) that is in contact with the thermal insulation integrated plate (2) is fixedly connected to a fixing cone (12).

3. The pre-buried screw of the thermal insulation integrated panel according to claim 1, characterized in that: The rear end of the connecting rod portion (7) is symmetrically provided with a non-return groove (14), and the rear end of the embedded sleeve (4) is provided with a non-return tooth (15) corresponding to the non-return groove (14). The non-return tooth (15) is elastically connected to the embedded sleeve (4), and the non-return tooth (15) is inserted into the non-return groove (14) and is adapted to the non-return groove (14).

4. The pre-buried screw of the thermal insulation integrated panel according to claim 1, characterized in that: The connecting rod portion (7) is provided with a guide groove (16), and the inner wall of the embedded sleeve (4) is fixedly connected with a guide strip (17), and the guide strip (17) corresponds to and fits with the guide groove (16).

5. The pre-buried screw of the thermal insulation integrated panel according to claim 1, characterized in that: An external threaded portion (9) is provided at the end of the connecting rod portion (7), and a nut (10) is threadedly connected to the external threaded portion (9).

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