Combined heat preservation nail

Abstract

The utility model relates to the technical field of building wall fixing tools, in particular to a combined heat preservation nail which comprises a sleeve, an anchor disc fixedly connected to one end of the sleeve, an expansion pipe detachably connected to the other end of the sleeve, an expansion screw expansion plug connected to one end of the expansion pipe in a sliding mode in the axial direction, and a screw rotationally arranged on the anchor disc, the sleeve and the expansion pipe in a penetrating mode. The screw rod penetrates through the expansion screw expansion plug in a threaded mode, and the expansion screw expansion plug is used for forcing the expansion pipe to expand. The expansion pipe and the sleeve are detachably connected, split installation of the expansion pipe and the sleeve is achieved, the sleeve or the expansion pipe with the adaptive length is installed according to a construction site, the overall length of the heat preservation nail can be adjusted, and the damaged expansion pipe or the damaged sleeve can be replaced conveniently.

Description

Technical Field

[0001] The present application relates to the technical field of building wall fixing tools, and in particular to a combined thermal insulation nail. Background Art

[0002] As environmental conditions change, more and more buildings need to add insulation layers to their exterior wall substrates to meet the needs of energy conservation and environmental protection, and to respond to the national green building development concept. At present, the insulation layer material is basically made of soft polyurethane foam plastic board. In order to ensure the overall quality of the building, in addition to using cement mortar to stick the insulation layer to the exterior wall substrate, it is also necessary to use special insulation nails to fix the insulation layer and the exterior wall substrate together. Since the length of the existing insulation nails is fixed and cannot be adjusted according to the construction site, further improvement is needed. Utility Model Content

[0003] In order to facilitate the adjustment of the overall length of the insulation nail, the present application provides a combined insulation nail.

[0004] The combined heat-insulating nail provided in this application adopts the following technical solution:

[0005] A combined thermal insulation nail comprises a casing, an anchor plate fixedly connected to one end of the casing, an expansion tube detachably connected to the other end of the casing, a bursting screw expansion plug axially slidably connected to one end of the expansion tube, and a screw rotatably penetrated through the anchor plate, the casing and the expansion tube, the screw thread being penetrated through the bursting screw expansion plug, and the bursting screw expansion plug being used for forcing the expansion tube to expand.

[0006] By adopting the above technical solution, the expansion tube and the casing can be detachably connected, and the expansion tube and the casing can be installed separately. By installing casings or expansion tubes of suitable lengths according to the construction site, the overall length of the insulation nail can be adjusted, and damaged expansion tubes or casings can be easily replaced.

[0007] Preferably, the bursting screw expansion plug includes a connecting portion, an expansion portion and a guide portion connected between the connecting portion and the expansion portion, the outer diameter of the connecting portion is smaller than the outer diameter of the expansion portion, the connecting portion is normally inserted into the end of the expansion tube, the guide portion is conically arranged, and the guide portion and the expansion portion are normally placed outside the expansion tube.

[0008] By adopting the above technical solution, when in use, the anchoring end of the insulation nail is inserted into the drilled hole, the screw is rotated, and the bursting screw plug slides axially toward the expansion tube due to the thread restriction of the screw, and the guide part and the expansion part of the bursting screw plug are gradually retracted into the expansion tube, causing the expansion tube to expand, thereby realizing expansion anchoring.

[0009] Preferably, the end of the sleeve away from the anchor plate is coaxially fixedly connected with a plug sleeve, the plug sleeve is a square sleeve, the end surface of the expansion tube is axially provided with a plug hole for the plug sleeve to be inserted, and the cross section of the plug hole is square.

[0010] By adopting the above technical solution, by adding a plug-in sleeve and a plug-in hole, the plug-in assembly of the casing and the expansion tube is realized. After the plug-in sleeve is inserted into the plug-in hole, the casing and the expansion tube are circumferentially linked to realize relative rotation restriction of the casing and the expansion tube.

[0011] Preferably, one end of the casing away from the anchor plate is coaxially fixedly connected with a plug sleeve, the plug sleeve is inserted into the end of the expansion tube, and the end of the expansion tube is penetrated by a countersunk screw threadedly connected to the plug sleeve.

[0012] By adopting the above technical solution, when installing the expansion tube, the end of the expansion tube is first sleeved on the plug sleeve, and then the expansion tube and the plug sleeve are locked by countersunk screws to achieve relative rotation restriction between the casing and the expansion tube.

[0013] Preferably, a rotation-stopping blade is fixedly connected between the sleeve and the anchor plate, one end of the rotation-stopping blade is smoothly transitionally connected to the outer peripheral wall of the sleeve, and the other end of the rotation-stopping blade is fixedly connected to the end surface of the anchor plate.

[0014] By adopting the above technical solution, one end of the anti-rotation blade is smoothly connected to the outer peripheral wall of the sleeve, and the other end of the anti-rotation blade is fixedly connected to the end face of the anchor plate, so that after the sleeve is inserted into the anchor hole, the anti-rotation blade is embedded in the insulation layer, reducing the possibility of the sleeve rotating around its own axis, and facilitating the rotation of the screw.

[0015] Preferably, the casing is an engineering plastic pipe, and the expansion tube, bursting screw expansion plug and screw are all metal parts.

[0016] By adopting the above technical solution, the expansion tube, the bursting screw expansion plug and the screw are all metal parts, which improves the anchoring force of the insulation nail, and the casing is an engineering plastic pipe, which reduces the thermal conductivity of the insulation nail.

[0017] Preferably, the expansion tube, bursting screw plug and screw rod are all made of stainless steel.

[0018] By adopting the above technical solution, the expansion tube, bursting screw plug and screw are all made of stainless steel, achieving corrosion and anti-aging effects.

[0019] Preferably, the anchor plate comprises a metal tail plate fixedly connected to the end of the casing and an outer layer covering the metal tail plate, wherein the outer layer is an engineering plastic layer, and the outer layer is fixed to the end face of the casing.

[0020] By adopting the above technical solution, the metal tail plate is entirely covered with engineering plastic, thereby improving the bearing capacity of the anchor plate and reducing the thermal conductivity of the anchor plate.

[0021] In summary, the utility model has the following beneficial effects:

[0022] 1. The expansion tube and the casing are detachably connected to realize the separate installation of the expansion tube and the casing. The casing or expansion tube of suitable length is installed according to the construction site, so that the overall length of the insulation nail can be adjusted, and the damaged expansion tube or casing can be easily replaced;

[0023] 2. By adding a plug-in sleeve and a plug-in hole, the plug-in assembly of the casing and the expansion tube is realized. After the plug-in sleeve is inserted into the plug-in hole, the casing and the expansion tube are circumferentially linked to realize the relative rotation restriction of the casing and the expansion tube;

[0024] 3. The expansion tube, bursting screw, expansion plug and screw are all metal parts, which improve the anchoring force of the insulation nail. The casing is an engineering plastic pipe, which reduces the thermal conductivity of the insulation nail. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the overall structure of a combined thermal insulation nail in Example 1;

[0026] Figure 2 It is a schematic diagram of the cross-sectional structure of a combined heat-insulating nail in Example 1;

[0027] Figure 3 This is a schematic diagram of the structure of the bursting screw expansion plug in Example 1;

[0028] Figure 4 It is a schematic diagram of the connection structure of the casing and the expansion tube in Example 2.

[0029] In the figure, 1, casing; 11, anti-rotation blade; 12, plug-in sleeve; 2, anchor plate; 21, metal tail plate; 22, outer cladding; 23, countersunk groove; 24, reduced mass hole; 3, expansion tube; 31, plug-in hole; 32, slide groove; 33, countersunk screw; 4, pull-out screw expansion plug; 41, connecting part; 42, guide part; 43, expansion part; 44, internal threaded hole; 45, sliding convex; 5, screw; 51, countersunk head; 52, hexagonal locking hole. DETAILED DESCRIPTION

[0030] The following is combined with Figure 1-4 This application is described in further detail.

[0031] Embodiment 1:

[0032] The present application embodiment discloses a combined heat preservation nail, referring to Figure 1 , Figure 2, including a casing 1, an anchor plate 2, an expansion tube 3, a bursting screw plug 4 and a screw 5; the anchor plate 2 is coaxially fixedly connected to one end of the casing 1, and the outer diameter of the anchor plate 2 is larger than the outer diameter of the casing 1. The anchor plate 2 is used to be fixed on the outer wall of the wall insulation layer, and the middle part of the anchor plate 2 is recessed toward one end of the casing 1 to form a sink 23. The anchor plate 2 is axially penetrated with a mass-reducing hole 24, and the mass-reducing holes 24 are provided in plurality and circumferentially distributed around the axis of the anchor plate 2. In other embodiments, the anchor plate 2 may be provided with a fixing bolt passing through the mass-reducing hole 24, and the fixing bolt locks the insulation layer.

[0033] In this embodiment, the anchor plate 2 includes a metal tail plate 21 and an outer layer 22 covering the metal tail plate 21, the outer layer 22 is an engineering plastic layer, the casing 1 is an engineering plastic tube, and the outer layer 22 is fixed integrally with the end face of the casing 1. A rotation-stopping blade 11 is fixedly connected between the casing 1 and the outer layer 22 of the anchor plate 2. The rotation-stopping blade 11 is provided with a plurality of rotation-stopping blades and distributed around the axis of the casing 1. One end of the rotation-stopping blade 11 is smoothly transitionally connected to the outer peripheral wall of the casing 1, and the other end of the rotation-stopping blade 11 is fixedly connected to the end face of the outer layer 22 close to the casing 1. The rotation-stopping blade 11 is fixed integrally with the casing 1 and the outer layer 22.

[0034] The expansion tube 3 is a stainless steel part, and the expansion tube 3 is detachably connected to the end of the casing 1 away from the anchor plate 2. Specifically, the end of the casing 1 away from the anchor plate 2 is coaxially fixedly connected with a plug sleeve 12, and the plug sleeve 12 and the casing 1 are integrally formed. In this embodiment, the plug sleeve 12 is a square sleeve, and the end face of the expansion tube 3 is axially provided with a plug hole 31 for the plug sleeve 12 to be inserted, and the cross section of the plug hole 31 is square. After the plug sleeve 12 is inserted into the plug hole 31, the casing 1 and the expansion tube 3 are circumferentially linked to achieve relative rotation restriction of the casing 1 and the expansion tube 3.

[0035] Reference Figure 2 , Figure 3 The screw rod 5 is a stainless steel part. The screw rod 5 is coaxially penetrated in the anchor plate 2, the casing 1 and the expansion tube 3 in sequence. The screw rod 5 and the anchor plate 2, the casing 1 and the expansion tube 3 are all arranged to rotate relatively. The end of the screw rod 5 is coaxially fixedly connected with a countersunk head 51 embedded in the sinking groove 23. The outer end surface of the countersunk head 51 is provided with a hexagonal lock hole 52. The end of the screw rod 5 away from the countersunk head 51 is threadedly penetrated in the pull screw expansion plug 4.

[0036] The bursting screw expansion plug 4 is a stainless steel part, and the bursting screw expansion plug 4 is inserted in the expansion tube 3 by sliding along the axial direction. The bursting screw expansion plug 4 is provided with an internal threaded hole 44 which is threadedly sleeved on the screw 5. In this embodiment, the bursting screw expansion plug 4 includes a connecting portion 41, an expansion portion 43, and a guide portion 42 connected between the connecting portion 41 and the expansion portion 43, and the outer diameter of the connecting portion 41 is smaller than the outer diameter of the expansion portion 43. The outer peripheral wall of the connecting portion 41 is protrudingly provided with a sliding protrusion 45, and the expansion tube 3 has a sliding groove 32 for the sliding protrusion 45 to slide. The connecting portion 41 is normally inserted at the end of the expansion tube 3, and the guide portion 42 is conically arranged, and the guide portion 42 and the expansion portion 43 are normally placed outside the expansion tube 3.

[0037] The implementation principle of a combined insulation nail in an embodiment of the present application is: the expansion tube 3 and the casing 1 are detachably connected to achieve separate installation of the expansion tube 3 and the casing 1, which is convenient for installing a casing 1 or expansion tube 3 of an adapted length according to the construction site, thereby adjusting the overall length of the insulation nail and facilitating replacement of a damaged expansion tube 3 or casing 1.

[0038] When in use, after assembling all the components, insert the anchoring end of the insulation nail into the drilled hole, and make the end face of the anchor plate 2 abut against the outer wall of the insulation layer, insert the hexagonal screwdriver into the inner hexagonal lock hole 52 to facilitate the rotation of the screw 5. The bursting screw expansion plug 4 is limited by the thread of the screw 5 and slides axially toward the expansion tube 3, so that the guide part 42 and the expansion part 43 of the bursting screw expansion plug 4 are gradually retracted into the expansion tube 3, thereby causing the expansion tube 3 to expand, thereby realizing the expansion anchoring of the insulation layer.

[0039] Embodiment 2:

[0040] The difference from Example 1 is that, referring to Figure 4 The end of the casing 1 away from the anchor plate 2 is coaxially fixedly connected with a plug sleeve 12, and the plug sleeve 12 is inserted into the end of the expansion tube 3. The end of the expansion tube 3 is penetrated by a countersunk screw 33 threadedly connected to the plug sleeve 12. When installing the expansion tube 3, the end of the expansion tube 3 is firstly sleeved on the plug sleeve 12, and then the expansion tube 3 and the plug sleeve 12 are locked by the countersunk screw 33 to realize the relative rotation restriction of the casing 1 and the expansion tube 3.

[0041] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A combined heat preservation nail, characterized in that: The invention comprises a casing (1), an anchor plate (2) fixedly connected to one end of the casing (1), an expansion tube (3) detachably connected to the other end of the casing (1), a bursting screw expansion plug (4) slidably connected to one end of the expansion tube (3) along the axial direction, and a screw (5) rotatably penetrated through the anchor plate (2), the casing (1) and the expansion tube (3), the screw (5) being threadably penetrated through the bursting screw expansion plug (4), and the bursting screw expansion plug (4) being used to force the expansion tube (3) to expand.

2. A combined heat-insulating nail according to claim 1, characterized in that: The bursting screw expansion plug (4) comprises a connecting portion (41), an expansion portion (43) and a guide portion (42) connected between the connecting portion (41) and the expansion portion (43); the outer diameter of the connecting portion (41) is smaller than the outer diameter of the expansion portion (43); the connecting portion (41) is normally inserted into the end of the expansion tube (3); the guide portion (42) is arranged in a conical shape; and the guide portion (42) and the expansion portion (43) are normally placed outside the expansion tube (3).

3. The combined heat-insulating nail according to claim 1, characterized in that: The end of the sleeve (1) away from the anchor plate (2) is coaxially fixedly connected with a plug sleeve (12), the plug sleeve (12) is a square sleeve, and the end surface of the expansion tube (3) is axially provided with a plug hole (31) for plugging the plug sleeve (12), and the cross section of the plug hole (31) is square.

4. The combined heat-insulating nail according to claim 1, characterized in that: The end of the casing (1) away from the anchor plate (2) is coaxially fixedly connected with a plug sleeve (12), the plug sleeve (12) is inserted into the end of the expansion tube (3), and the end of the expansion tube (3) is penetrated by a countersunk screw (33) threadedly connected to the plug sleeve (12).

5. The combined heat-insulating nail according to claim 1, characterized in that: A rotation-stopping blade (11) is fixedly connected between the casing (1) and the anchor plate (2); one end of the rotation-stopping blade (11) is smoothly transitionally connected to the outer peripheral wall of the casing (1), and the other end of the rotation-stopping blade (11) is fixedly connected to the end surface of the anchor plate (2).

6. The combined heat-insulating nail according to claim 1, characterized in that: The casing (1) is an engineering plastic pipe, and the expansion pipe (3), the bursting screw expansion plug (4) and the screw rod (5) are all metal parts.

7. A combined heat-insulating nail according to claim 6, characterized in that: The expansion tube (3), the bursting screw expansion plug (4) and the screw rod (5) are all made of stainless steel.

8. The combined heat-insulating nail according to claim 6, characterized in that: The anchor plate (2) comprises a metal tail plate (21) fixedly connected to the end of the casing (1) and an outer layer (22) covering the metal tail plate (21); the outer layer (22) is an engineering plastic layer; the outer layer (22) and the end surface of the casing (1) are fixed.

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