Expansion anchor bolt of thermal insulation system

Abstract

The utility model discloses a thermal insulation system expansion anchor bolt which comprises an anchor bolt head, a limiting disc is arranged at the top of the anchor bolt head, a threaded hole is formed in the top of the limiting disc, an adjusting screw rod is sleeved with an inner cavity of the threaded hole in a threaded mode, and an expansion assembly linked with the adjusting screw rod is arranged in the anchor bolt head. A connecting assembly is arranged between the anchor bolt head and the limiting disc, an injection hole is formed in the top of the limiting disc, a sealing bolt is sleeved with the injection hole in a threaded mode, the connecting rope belt is installed between the anchor bolt head and the limiting disc, the outer wall of the adjusting screw rod is slidably sleeved with the limiting lantern ring, and the limiting lantern ring is connected to the outer portion of the connecting rope belt in a clamped mode. The anchor bolt head, the limiting disc, the adjusting screw rod, the connecting assembly and the expansion assembly are used in a matched mode, so that the connecting rope belt with a certain length is cut, the distance between the anchor bolt head and the limiting disc can be changed, and the anchor bolt is suitable for heat preservation plates with different thicknesses.

Description

Technical Field

[0001] The utility model relates to the field of expansion anchor bolts, in particular to an expansion anchor bolt for a thermal insulation system. Background Art

[0002] For example, patent publication number CN220117486U discloses an exterior wall insulation anchor bolt, comprising a limit plate, a primary fastening mechanism disposed within the limit plate, an anchor bolt head disposed externally therefrom, a secondary fastening mechanism disposed within the anchor bolt head to secure the anchor bolt head, the primary fastening mechanism comprising an adjusting screw threadedly mounted within the limit plate. The above-described exterior wall insulation anchor bolt solves the problem that the insulation anchor bolts used in existing exterior walls fix the insulation board through friction between the expansion sleeve and the exterior wall, but the insulation anchor bolts are prone to shaking after a period of use, resulting in gaps between the insulation board, the insulation anchor bolt, and the exterior wall, which in turn reduces the insulation effect of the insulation board. Furthermore, the insulation anchor bolts used are fixed in length and cannot be applied to insulation boards of various thicknesses, which in turn reduces the performance of the insulation anchor bolts.

[0003] It increases the distance between the anchor head and the limit plate by a fixing rod, so that it can be applied to insulation boards of different thicknesses. However, the length of the fixing rod is fixed, so the distance between the limit plate and the anchor head is constant, which makes it inconvenient to adjust the distance between the limit plate and the anchor head according to the thickness of the insulation boards to be installed. Utility Model Content

[0004] The purpose of the utility model is to provide an expansion anchor bolt for a thermal insulation system to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: an expansion anchor bolt for a thermal insulation system, comprising an anchor bolt head, a limiting disc provided on the top of the anchor bolt head, a threaded hole provided on the top of the limiting disc, an adjusting screw threadedly sleeved in the inner cavity of the threaded hole;

[0006] The anchor head is provided with an expansion assembly linked to the adjusting screw, a connecting assembly is provided between the anchor head and the limiting disc, an injection hole is provided on the top of the limiting disc, and a sealing bolt is sleeved on the internal thread of the injection hole. The connecting assembly includes:

[0007] A connecting rope, which is installed between the anchor head and the limiting disc;

[0008] The limiting collar is slidably sleeved on the outer wall of the adjusting screw, and the limiting collar is clamped on the outside of the connecting rope.

[0009] Preferably, one end of the connecting rope is fixedly connected to a hanging ring, the inner wall of the anchor head is symmetrically fixedly connected to a hook, and the hanging ring is hung on the outside of the hook.

[0010] Preferably, a fixing piece is provided at one end of the outer wall of the connecting rope, and fixing bolts are symmetrically provided at the bottom of the fixing piece, and the fixing piece is fixedly connected to the limiting disc through the fixing bolts.

[0011] Preferably, the outer wall of the limiting collar is symmetrically provided with grooves, the outer wall of the connecting rope is located inside the groove, the inner wall of the groove is fixedly connected to the limiting rod, and the outer wall of the limiting rod is slidably inserted and sleeved with the connecting rope.

[0012] Preferably, the expansion assembly:

[0013] An adjusting block and a locking rod, wherein the end of the locking rod is fixedly connected to the adjusting block, and the outer wall of the locking rod is slidably interwoven with the anchor bolt head;

[0014] The trapezoidal block is arranged inside the anchor bolt head, the sides of the trapezoidal block are pressed and fit with the adjustment block, and the top of the trapezoidal block is fit with the adjustment screw.

[0015] Preferably, the interior of the anchor head is fixedly connected to a fixing rod, the bottom of the adjustment block is fixedly connected to a fixing block, the outer wall of the fixing rod is slidably inserted and sleeved with the fixing block, and the outer wall of the fixing rod is slidably sleeved with a limit spring acting on the fixing block.

[0016] Preferably, a fixing collar is fixedly sleeved inside the anchor head, a guide rod is symmetrically fixedly connected to the top of the trapezoidal block, and the outer wall of the guide rod is slidably inserted and sleeved with the fixing collar.

[0017] The technical effects and advantages of this utility model are:

[0018] The utility model utilizes the coordinated use of an anchor head, a limiting disc, an adjusting screw, a connecting assembly and an expansion assembly. The connecting assembly includes a connecting rope, a limiting collar, a hanging collar, a hook and a fixing part. Therefore, by cutting the connecting rope to a certain length, the distance between the anchor head and the limiting disc can be changed, thereby making it suitable for insulation boards of different thicknesses. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0020] Figure 2 This is a schematic diagram of the internal structure of the front side of the utility model.

[0021] Figure 3 This is a schematic diagram of the overall structure of the trapezoidal block of the utility model.

[0022] In the figure: 1. Anchor head; 2. Limiting disc; 3. Adjusting screw; 4. Connecting assembly; 41. Connecting rope; 42. Limiting collar; 43. Hanging collar; 44. Hook; 45. Fixing piece; 46. Fixing bolt; 47. Slot; 48. Limiting rod; 5. Expansion assembly; 51. Adjusting block; 52. Locking rod; 53. Trapezoidal block; 54. Fixing rod; 55. Fixing block; 56. Limiting spring; 57. Fixing collar; 58. Guide rod; 6. Sealing bolt. DETAILED DESCRIPTION

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

[0024] The utility model provides Figure 1-3The expansion anchor bolt of the thermal insulation system shown in the figure includes an anchor bolt head 1, a limiting disc 2 is provided on the top of the anchor bolt head 1, a threaded hole is opened on the top of the limiting disc 2, an adjusting screw 3 is threadedly sleeved on the inner cavity of the threaded hole, an expansion component 5 linked to the adjusting screw 3 is provided inside the anchor bolt head 1, a connecting component 4 is provided between the anchor bolt head 1 and the limiting disc 2, an injection hole is opened on the top of the limiting disc 2, a sealing bolt 6 is threadedly sleeved on the inner thread of the injection hole, so that when the anchor bolt head 1 is installed in the corresponding installation hole opened on the thermal insulation board , and adjust the screw 3 to squeeze the expansion component 5, so that the expansion component 5 is locked to the anchor head 1, and the sealing insulation material can be injected into the installation hole on the insulation board through the injection hole, which can not only improve the insulation performance of the insulation board at the installation hole, but also improve the stability of the installation of the anchor head 1 and the adjusting screw 3. The connecting component 4 includes a connecting rope 41 and a limiting ring 42. The connecting rope 41 is installed between the anchor head 1 and the limiting disc 2, so that the adjusting screw 3 squeezes the expansion component 5 relative to the limiting disc 2. At this time, the limiting disc 2 There is an extrusion force between the anchor head 1 and the connecting rope 41, so that the connecting rope 41 is in a straight state. By changing the length of the connecting rope 41, the distance between the anchor head 1 and the limiting disc 2 can be changed, and the adjusting screw 3 of the corresponding length is selected. The limiting collar 42 is slidably sleeved on the outer wall of the adjusting screw 3, and the limiting collar 42 is clamped on the outside of the connecting rope 41. The outer wall of the limiting collar 42 is symmetrically provided with grooves 47. The outer wall of the connecting rope 41 is located inside the groove 47, and the inner wall of the groove 47 is fixedly connected There is a limiting rod 48, the outer wall of the limiting rod 48 is slidably inserted and sleeved with the connecting rope 41, and the outer wall diameter of the limiting collar 42 is the same as the outer wall diameter of the anchor head 1, so that when it is installed in the mounting hole, the adjusting screw 3 can be limited again to prevent the adjusting screw 3 from offsetting relative to the mounting hole, and the limiting rod 48 can improve the installation stability of the limiting collar 42, and the sealing and heat-insulating material injected from the injection hole can enter the side of the limiting collar 42 facing the anchor head 1 through the gap between the slot 47 and the connecting rope 41.

[0025] Furthermore, one end of the connecting rope 41 is fixedly connected to a hanging ring 43, and the inner wall of the anchor head 1 is symmetrically fixedly connected to a hook 44. The hanging ring 43 is hung on the outside of the hook 44. Under the action of the hanging ring 43 and the hook 44, the connecting rope 41 is conveniently connected to the anchor head 1. One end of the outer wall of the connecting rope 41 is provided with a fixing part 45, and the bottom of the fixing part 45 is symmetrically provided with a fixing bolt 46. The fixing part 45 is fixedly connected to the limiting disc 2 through the fixing bolt 46. By loosening the fixing bolt 46, the connecting rope 41 at the bottom of the limiting disc 2 can be removed, and then the length of the connecting rope 41 can be cut.

[0026] Specifically, the expansion assembly 5 comprises an adjusting block 51, a locking rod 52 and a trapezoidal block 53. The end of the locking rod 52 is fixedly connected to the adjusting block 51. The outer wall of the locking rod 52 is slidably inserted and sleeved with the anchor head 1. The trapezoidal block 53 is arranged inside the anchor head 1. The side of the trapezoidal block 53 is squeezed and fits with the adjusting block 51. The top of the trapezoidal block 53 fits with the adjusting screw 3. The side of the adjusting block 51 has an inclined surface matching the trapezoidal block 53, so that the adjusting screw 3 squeezes the trapezoidal block 53 to move toward the inside of the anchor head 1, and the trapezoidal block 53 can squeeze the two adjusting blocks 51 to move away from each other, so that the locking rod 52 is inserted into the insulation material to lock the anchor head 1.

[0027] Furthermore, a fixing rod 54 is fixedly connected to the inside of the anchor head 1, and a fixing block 55 is fixedly connected to the bottom of the adjusting block 51. The outer wall of the fixing rod 54 is slidably inserted and sleeved with the fixing block 55. The outer wall of the fixing rod 54 is slidably sleeved with a limit spring 56 acting on the fixing block 55. The limit spring 56 can give the adjusting block 51 and the locking rod 52 an elastic force to move toward the inside of the anchor head 1 through the fixing block 55, so that the locking rod 52 is in a hidden state when the anchor head 1 is not installed. A fixing ring 57 is fixedly sleeved inside the anchor head 1, and a guide rod 58 is symmetrically fixedly connected to the top of the trapezoidal block 53. The outer wall of the guide rod 58 is slidably inserted and sleeved with the fixing ring 57. The guide rod 58 can ensure the stability of the trapezoidal block 53 in the movement of the anchor head 1.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An expansion anchor for a thermal insulation system, comprising an anchor head (1), a limiting disc (2) provided on the top of the anchor head (1), a threaded hole provided on the top of the limiting disc (2), an adjusting screw (3) being threadedly sleeved in the inner cavity of the threaded hole; It is characterized in that An expansion assembly (5) linked to the adjusting screw (3) is provided inside the anchor bolt head (1); a connecting assembly (4) is provided between the anchor bolt head (1) and the limiting disc (2); an injection hole is provided on the top of the limiting disc (2); a sealing bolt (6) is threadedly sleeved on the inner thread of the injection hole; the connecting assembly (4) comprises: A connecting rope (41), wherein the connecting rope (41) is installed between the anchor head (1) and the limiting disc (2); A limiting collar (42) is slidably sleeved on the outer wall of the adjusting screw (3), and the limiting collar (42) is clamped on the outside of the connecting rope (41).

2. The thermal insulation system expansion anchor according to claim 1, characterized in that: One end of the connecting rope (41) is fixedly connected to a hanging ring (43), the inner wall of the anchor head (1) is symmetrically fixedly connected to a hook (44), and the hanging ring (43) is hung on the outside of the hook (44).

3. The thermal insulation system expansion anchor according to claim 2, characterized in that: A fixing member (45) is provided at one end of the outer wall of the connecting rope (41), and fixing bolts (46) are symmetrically provided at the bottom of the fixing member (45). The fixing member (45) is fixedly connected to the limiting disc (2) via the fixing bolts (46).

4. The thermal insulation system expansion anchor according to claim 1, characterized in that: The outer wall of the limiting collar (42) is symmetrically provided with slots (47), the outer wall of the connecting rope (41) is located inside the slot (47), the inner wall of the slot (47) is fixedly connected to a limiting rod (48), and the outer wall of the limiting rod (48) is slidably inserted and sleeved with the connecting rope (41).

5. The thermal insulation system expansion anchor according to claim 1, characterized in that: The expansion assembly (5): An adjusting block (51) and a locking rod (52), wherein the end of the locking rod (52) is fixedly connected to the adjusting block (51), and the outer wall of the locking rod (52) is slidably inserted and sleeved with the anchor bolt head (1); A trapezoidal block (53) is provided inside the anchor bolt head (1), the sides of the trapezoidal block (53) are pressed and fitted with the adjustment block (51), and the top of the trapezoidal block (53) is fitted with the adjustment screw (3).

6. The thermal insulation system expansion anchor according to claim 5, characterized in that: The interior of the anchor bolt head (1) is fixedly connected to a fixing rod (54), the bottom of the adjustment block (51) is fixedly connected to a fixing block (55), the outer wall of the fixing rod (54) is slidably inserted and sleeved with the fixing block (55), and the outer wall of the fixing rod (54) is slidably sleeved with a limit spring (56) acting on the fixing block (55).

7. The thermal insulation system expansion anchor according to claim 5, characterized in that: A fixing collar (57) is fixedly sleeved inside the anchor head (1), a guide rod (58) is symmetrically fixedly connected to the top of the trapezoidal block (53), and the outer wall of the guide rod (58) is slidably inserted and sleeved with the fixing collar (57).

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