Building block convenient to use

Abstract

The invention relates to the technical field of building blocks, and particularly discloses a building block convenient to use, the building block comprises a main body layer and an inner layer, the main body layer is formed by compounding an outer layer, a reinforcing layer and a thermal insulation layer, the inner layer is provided with a mounting plate and a decorative plate, and the mounting plate is internally provided with a preset through hole for mounting a wall heating pipeline assembly; the assembly is composed of a left butt joint, a right butt joint and a telescopic metal corrugated pipe, the left butt joint is rotated by 40 degrees through a rotary clamping assembly to complete rapid sealing butt joint, decorative plates are detachably connected through a rapid disassembly type clamping structure, a first push strip and a second push strip drive the left butt joint to horizontally move and rotate, and automatic and accurate butt joint of pipelines is achieved; telescopic protection strips are arranged on the two sides of the mounting plate and controlled to be unfolded or retracted through a pushing assembly driven by magnetic repulsive force, and the preset through hole can be shielded and a protection edge can be formed during construction. The pipeline pre-burying, rapid splicing and heat preservation functions are integrated, the construction efficiency is remarkably improved, the maintenance cost is reduced, and damage to the wall structure is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of building blocks, in particular to a building block that is easy to use. Background Art

[0002] In the field of building heating, traditional wall heating systems mostly use external exposed pipes or later wall grooving and buried pipes to lay pipes. Although the external exposed pipe solution is simple to construct, there are problems such as exposed pipes, affecting the aesthetics of the building, and being easily damaged by external forces; while the later grooving and buried pipe method requires that after the wall is built, the pipes are embedded in the wall through secondary operations such as cutting and grooving. This method not only requires a lot of manpower for repeated construction, but also destroys the integrity of the wall structure due to the grooving operation, resulting in a decrease in the wall's load-bearing capacity and an increase in the risk of cracks. It may even cause the risk of loose pipes and leakage due to vibration or thermal expansion and contraction. In addition, the construction waste and dust pollution generated by the secondary grooving also increase construction costs and environmental burdens.

[0003] In response to the above problems, the prior art has proposed a solution of pre-buried pipes in hollow blocks. For example, in some block designs, pipes are directly inserted into the internal cavity. However, due to the lack of a pipe fixing structure and the reliance on manual correction for pipe docking, it is difficult to ensure the precise alignment of adjacent pipe interfaces when assembling multiple blocks of masonry, resulting in low construction efficiency and easy deviation. In addition, such blocks are not equipped with a dedicated insulation layer, and the pipes are directly exposed to the internal cavity of the blocks. Heat is quickly dissipated through the outer layer of the blocks, making it difficult to meet the energy-saving needs of modern buildings. Summary of the invention

[0004] The object of the present invention is to provide a building block that is easy to use to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a building block that is easy to use, comprising a main layer and an inner layer; the main layer is composed of an outer layer, a reinforcement layer and a thermal insulation layer in sequence, and the outer layer, the reinforcement layer and the thermal insulation layer are positioned between layers by the cooperation of the limiting convex ridges and the docking grooves;

[0006] The inner layer includes a mounting plate and a decorative plate, the mounting plate is provided with a pre-set perforation inside, and the wall heating pipe assembly is installed in the pre-set perforation;

[0007] The wall heating pipe assembly includes a left butt joint, a right butt joint and a connecting pipe. The left butt joint and the right butt joint are quickly connected by a rotating clamping assembly. The connecting pipe is a retractable metal bellows.

[0008] The decorative panel is detachably connected to the mounting plate through a quick-release clamping structure, and the decorative panel is provided with a first push bar and a second push bar for driving the left docking head to complete horizontal movement and rotation actions to achieve automatic docking of the wall heating pipe assembly;

[0009] Both sides of the mounting plate are provided with retractable protective strips, which are driven to expand or retract through a pushing component for shielding and protecting the preset perforations.

[0010] Preferably, the rotary clamping component includes C-shaped hooks symmetrically arranged on the outer wall of the left docking head and a convex clamping hoop on the outer wall of the right docking head;

[0011] The contact end of the convex clamping hoop is a bevel structure. When the left docking head rotates 40°, the C-shaped hook squeezes the bevel to drive the right docking head to move horizontally to complete the sealed docking.

[0012] Preferably, the left docking head is installed in the preset perforation through a guiding component;

[0013] The guiding component includes a moving seat, a transverse guide rod and a third spring. The moving seat realizes horizontal movement guiding through the transverse guide rod and the third spring;

[0014] The moving seat is provided with an upper convex platform, and an arc-shaped sliding groove is opened on its inner wall to accommodate a cylindrical convex rod, and a rotational reset force is provided by a second spring.

[0015] Preferably, the pushing component includes an L-shaped driven rod, a cylindrical pin and a driving press block;

[0016] When the driving press block is pressed, the L-shaped driven rod drives the cylindrical pin to slide along the inclined groove, driving the protective strip to expand outward to shield the front side of the opening of the preset perforation.

[0017] Preferably, a first magnet sheet is provided at the bottom of the driving press block, and a second magnet sheet with the same-sex magnetic pole is provided at the bottom of the bite groove;

[0018] The driving press block is normally located at the top of the bite groove through magnetic repulsion force; when the protective strip retracts, it is flush with the surface of the mounting plate, and when it expands outward, it protrudes 6-9 mm to form a protective edge.

[0019] Preferably, the quick-release clamping structure includes a bite groove, a jack and a clamping pin;

[0020] The bite groove is opened in the middle of the mounting plate, and the clamping pin is elastically inserted into the jack through a first spring to realize quick fixation of the decorative panel;

[0021] The operating handle of the clamping pin extends into the operating cavity of the decorative panel and is protected by a retaining piece.

[0022] Preferably, the docking block of the decorative panel is adapted to the bite groove of the mounting plate, and a driving groove is opened through the upper convex platform from front to back;

[0023] When the docking block is inserted into the bite groove, the first push bar and the second push bar act on the cylindrical convex rod and the drive groove respectively.

[0024] Preferably, the drive groove is composed of a wedge-shaped groove and a rectangular groove;

[0025] The second push bar preferentially enters the wedge-shaped groove to drive horizontal movement, and then the first push bar enters the rectangular groove to drive the rotation action.

[0026] Preferably, the length and height of the inner layer are both 2-4 mm greater than those of the main body layer, so that adjacent inner layers are seamlessly docked and a gap is reserved for the coating.

[0027] Preferably, a silica gel sealing ring is provided on the contact surface between the left docking head and the right docking head;

[0028] When adjacent building blocks are spliced, the convex clamps and the C-shaped hooks are staggered; both ends of the connecting pipe are fixed by stainless steel clamps, and the inner lining of the clamp is a high-temperature resistant rubber pad.

[0029] Compared with the prior art, the beneficial effects of the present invention are:

[0030] 1. By presetting the perforated embedded wall heating pipe assembly, and adopting the rotating clamping assembly composed of C-shaped hooks and convex clamps and the design of the telescopic metal bellows, the present invention realizes the automatic and precise docking of the pipe interfaces during the assembly of multiple building blocks; the first push bar and the second push bar on the decorative board drive the horizontal movement and rotation movement of the left docking head in sequence during installation, and the sealed connection can be completed without manual correction. At the same time, through the quick-release clamping structure composed of bite grooves, jacks and elastic pins, the decorative board and the mounting board can be quickly disassembled and assembled, greatly reducing the time for pipe laying and maintenance. Compared with the traditional grooving and burying pipes or manual correction schemes, the construction efficiency is effectively improved.

[0031] 2. Traditional construction requires secondary grooving and burying pipes, which is easy to damage the wall load-bearing structure and cause cracks; the present invention integrates the pipes through preset perforations, and directly completes the pipe laying during masonry, completely avoiding grooving operations. The main body layer adopts a composite structure of an outer layer, a reinforcement layer and a thermal insulation layer, and the layers are positioned by limit convex edges and docking card slots, and the overall strength is increased by more than 30%. The length and height of the inner layer are slightly greater than those of the main body layer by 2-4 mm, which not only ensures seamless splicing of adjacent building blocks, but also provides a gap for the coating, further avoiding structural stress concentration.

[0032] 3. The wall heating pipe assembly realizes precise guiding and automatic reset through the guiding assembly composed of a moving seat, a transverse guide rod and a third spring and the rotation reset mechanism composed of an arc-shaped chute, a cylindrical convex rod and a second spring. With the cooperation of the silica gel sealing ring and the stainless steel clamp for fixation, it effectively resists the pipe displacement caused by construction vibration and thermal expansion and contraction. In addition, the decorative board can be quickly disassembled, and after the preset perforation is exposed, a single section of pipe can be directly repaired or replaced without damaging the wall, effectively reducing the maintenance cost.

[0033] 4. The gradient composite design of the thermal insulation layer, reinforcement layer, and outer layer in the main body layer, combined with the contact isolation between the inner layer and the thermal insulation layer, forms multiple thermal resistance barriers, significantly reducing the heat loss through the building blocks to the outside. Compared with traditional hollow building blocks, the thermal conductivity of the wall of the present invention is reduced, and the cold bridge effect is basically eliminated. At the same time, the retractable protective strip expands to form a protective edge during construction, preventing the pre-set perforations from being blocked by paint, ensuring the effective isolation between the pipeline and the thermal insulation layer, further improving the overall energy efficiency of the building, and meeting the green energy-saving standards. Description of the Drawings

[0034] Figure 1 It is a three-dimensional schematic diagram of the structure of the present invention.

[0035] Figure 2 It is a schematic diagram of the separated state of the decorative board and the main body layer of the present invention.

[0036] Figure 3 It is a connection schematic diagram of another perspective of the separated state of the decorative board and the main body layer of the present invention.

[0037] Figure 4 It is a three-dimensional schematic diagram of the connected state of the mounting plate and the decorative board of the present invention.

[0038] Figure 5 It is an installation schematic diagram of the mounting plate and the connecting pipe of the present invention.

[0039] Figure 6 It is an exploded schematic diagram of the connecting pipe, the protective strip, and the pushing component of the present invention.

[0040] Figure 7 It is a connection schematic diagram of the connecting pipe, the left docking head, and the right docking head of the present invention.

[0041] Figure 8 It is a sectional view of the connecting pipe, the left docking head, and the right docking head of the present invention.

[0042] Figure 9 It is an exploded schematic diagram of the left docking head, the moving seat, and the upper convex platform of the present invention.

[0043] Figure 10 It is a transverse sectional view of the upper convex platform of the present invention.

[0044] Figure 11 It is a longitudinal sectional view of the upper convex platform of the present invention.

[0045] In the figure: 1. outer layer; 2. reinforcement layer; 3. insulation layer; 4. inner layer; 5. mounting plate; 501. bite groove; 502. socket; 6. decorative plate; 601. operating chamber; 7. limiting ridge; 8. docking slot; 9. baffle; 10. latch; 11. spring one; 12. left butt joint; 13. C-shaped hook; 14. cylindrical protruding rod; 15. spring two; 16. moving seat; 17. upper boss; 1701. driving groove; 18. transverse guide rod; 19. spring three; 20. vertical block; 21. push strip one; 22. push strip two; 23. connecting pipe; 24. right butt joint; 25. raised clamp; 26. protective strip; 27. inclined groove; 28. cylindrical pin; 29. ​​L-shaped driven rod; 30. active pressure block; 31. docking block. DETAILED DESCRIPTION

[0046] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0047] See also Figures 1 to 11 The present invention provides a technical solution: a building block that is easy to use, which includes a main body layer and an inner layer 4 in sequence. The main body layer includes an outer layer 1, a reinforcement layer 2 and a thermal insulation layer 3. The reinforcement layer 2, the thermal insulation layer 3 and the inner layer 4 are all protrudingly provided with a limiting convex ridge 7 on one side close to the outer layer 1. The outer layer 1, the reinforcement layer 2 and the thermal insulation layer 3 are provided with a docking card groove 8 for accommodating the limiting convex ridge 7 on one side close to the inner layer 4. The outer layer 1 is a steel fiber concrete layer, the reinforcement layer 2 is a carbon fiber mesh layer and forms a transition gradient with the outer layer 1 and the thermal insulation layer 3. The inner layer 4 is in contact with the thermal insulation layer on the side close to the outdoors, and the wall heating pipe components are isolated and protected to a certain extent. The outer layer 4 can effectively delay the outward loss of heat; the inner layer 4 includes a mounting plate 5 and a decorative plate 6, and the decorative plate 6 is clamped and fixed to the mounting plate 5 by a quick-release assembly; a preset perforation is opened inside the mounting plate 5, and a wall heating pipe assembly is arranged in the preset perforation, and the wall heating pipe assembly includes a left butt joint 12, a connecting pipe 23 and a right butt joint 24, and the right butt joint 24 is slidingly installed at the right end of the preset perforation, and the left butt joint 12 is rotatably clamped with the adjacent right butt joint 24 by a clamping assembly; the connecting pipe 23 is a retractable metal bellows, and its two ends are detachably fixed to the left butt joint 12 and the right butt joint 24 by clamps in turn.

[0048] like Figures 5 - 8As shown, the snap - fit component includes a C - shaped hook 13 and a raised collar 25. There are two sets of C - shaped hooks 13 which are symmetrically arranged about the center on the outer wall of the left docking head 12. There are two sets of raised collars 25 which are symmetrically arranged about the center on the outer wall of the right docking head 24. One end of the raised collar 25 in contact with the C - shaped hook 13 is set to be bevel - shaped. When the left docking head 12 and the right docking head 24 are in a disconnected state, the adjacent C - shaped hooks 13 and raised collars 25 are staggered. When the left docking head 12 needs to be docked with the right docking head 24, rotate the left docking head 12 by 40°. During this process, the C - shaped hook 13 on the left docking head 12 presses against the beveled end of the raised collar 25, causing the raised collar 25 to be displaced horizontally under force, thereby driving the right docking head 24 to be closely docked with the adjacent left docking head 12. And a silicone sealing ring is provided on the side where the left docking head 12 contacts the right docking head 24 to further enhance the tightness of the docking between the left docking head 12 and the right docking head 24.

[0049] As Figure 5 , Figure 7 and Figure 8 shown, a moving seat 16 is movably sleeved outside the left docking head 12. The moving seat 16 is limited and slidably installed in a preset through - hole through a guiding component. The guiding component includes an upper boss 17, a transverse guide rod 18, a third spring 19 and a vertical block 20. An activity groove for accommodating the upper boss 17 is opened on the left side of the preset through - hole. The vertical block 20 is fixedly arranged at the opening of the activity groove through a detachable component. There are two sets of transverse guide rods 18 and springs are sleeved on them. One end of the transverse guide rod 18 is fixedly connected to the vertical block 20, and the other end of the transverse guide rod 18 is fixedly connected to the side wall of the activity groove. The two ends of the third spring 19 are sequentially in contact connection with the vertical block 20 and the upper boss 17. A circular through - hole for accommodating the transverse guide rod 18 is penetrated through the upper boss 17. The lower end of the upper boss 17 is fixedly connected to the moving seat 16. Through the design of the upper boss 17, it is convenient for the assembly of the moving seat 16 and the left docking head 12 and can also play a role in guiding and limiting, so that when the left docking head 12 is docked with the right docking head 24, it first translates and then performs a rotational snap - fit action.

[0050] As Figure 7 , Figures 9 - 11As shown in the figure, a cylindrical convex rod 14 is fixedly arranged on the outer wall of the left docking head 12. An arc-shaped sliding groove for accommodating the cylindrical convex rod 14 is formed on the inner wall of the upper convex platform 17. A second spring 15 is fixedly arranged on the groove wall of the arc-shaped sliding groove. The other end of the second spring 15 is fixedly adhered to the cylindrical convex rod 14. A first push bar 21 for pushing the cylindrical convex rod 14 and a second push bar 22 acting on the upper convex platform 17 are fixedly arranged on the decorative plate 6. A driving groove 1701 is formed through the upper convex platform 17 from front to back. The driving groove 1701 is composed of a wedge-shaped groove and a rectangular groove. The length of the first push bar 21 is the same as the depth of the rectangular groove. When the decorative plate 6 is attached to the mounting plate 5, the second push bar 22 extends into the inclined groove prior to the first push bar 21. Under the extrusion of the inclined surface, the upper convex platform 17 is forced to drive the moving seat 16 and the left docking head 12 to horizontally move in the direction of the adjacent right docking head 24. At this time, the external protrusion of the C-shaped hook 13 just lies on the same horizontal plane as the inclined surface end of the protrusion clamp 25, enabling the C-shaped hook 13 to act on the protrusion clamp 25 normally. When the second push bar 22 enters the rectangular groove from the inclined groove, the moving seat 16 remains stationary. At the same time, the first push bar 21 presses the cylindrical convex rod 14, causing the cylindrical convex rod 14 to drive the left docking head 12 to rotate counterclockwise, so that the external protrusion of the C-shaped hook 13 presses the inclined surface end of the protrusion clamp 25, causing the protrusion clamp 25 to drive the right docking head 24 to move to the right to quickly dock with the left docking head 12.

[0051] As Figures 1 - 6 shown, in order to facilitate the assembly and maintenance of the inner layer 4, the length and height of the inner layer 4 are both set to be 2 - 4 millimeters greater than the length and height of the main body layer. While ensuring seamless docking between the inner layer 4 and its adjacent inner layer 4, an assembly gap for the coating is reserved for the main body layer. Further, in order to facilitate the protection of the preset perforations during the coating process on the surface of the main body layer, a set of protective strips 26 are arranged on both horizontal sides of the mounting plate 5. The protective strips 26 are driven by a pushing component to perform stretching and retracting actions. The pushing component includes a cylindrical pin 28, an L-shaped driven rod 29, and an active pressing block 30. An inclined groove 27 for accommodating the cylindrical pin 28 is formed on the protective strip 26. Both the protective strip 26 and the L-shaped driven rod 29 are installed on the mounting plate 5 in a limited sliding manner. A biting groove 501 is formed in the middle of the mounting plate 5. One end of the L-shaped driven rod 29 is fixedly connected to the cylindrical pin 28, and the other end of the L-shaped driven rod 29 is fixedly connected to the active pressing block 30. The active pressing block 30 is installed in the biting groove 501 in a limited sliding manner. A first magnet sheet is fixedly arranged on the lower end surface of the active pressing block 30. A second magnet sheet with the same magnetic pole as the first magnet sheet is fixedly arranged on the bottom wall of the biting groove 501. Under the action of the same magnetic poles, the active pressing block 30 is always located at the upper end of the biting groove 501 without external force.

[0052] As Figures 2 - 5As shown in the figure, a docking block 31 is fixedly arranged on one side of the decorative plate 6 close to the mounting plate 5. The docking block 31 is fixedly clamped in the bite groove 501 through a clamping structure. The clamping structure includes two groups of symmetrically arranged pins 10 and a first spring 11. The first spring 11 is arranged between the two groups of pins 10. The pin 10 includes an operating handle and an arc-shaped insertion block. A set of insertion holes 502 for accommodating the arc-shaped insertion block are opened on both horizontal sides of the bite groove 501. The operating handle is installed on the decorative plate 6 in a limited sliding manner. An operating cavity 601 adapted to the operating handle is opened on the outer wall of the decorative plate 6. One end of the operating handle is exposed in the operating cavity 601, and the other end of the operating handle extends into the docking block 31 and is fixedly connected to the arc-shaped insertion block. A retaining piece 9 is clamped outside the operating cavity 601.

[0053] During use, by pressing the active pressing block 30, the bite groove 501 is exposed. On the one hand, it is convenient for the staff to grab the building block. On the other hand, the active pressing block 30 can push the L-shaped driven rod 29 downward. The cylindrical pin 28 on the L-shaped driven rod 29 acts on the inclined groove 27, so that the protective strip 26 is forced to quickly protrude outward and protrude 6-9 mm to form a protective edge to protect both ends of the preformed perforation. In this way, the staff can conveniently apply the cement-based binder to the surface of the main body layer. After the application is completed, the force on the active pressing block 30 is released. Under the repulsive force of the same-sex magnetic poles, the active pressing block 30 drives the L-shaped driven rod 29 to quickly move upward. Under the action of the cylindrical pin 28 and the inclined groove 27 again, the protective strip 26 quickly retracts into the mounting plate 5 and is flush with the surface of the mounting plate 5. Then, the building block is stacked and fitted with other building blocks;

[0054] After the stacking is completed, the docking block 31 on the decorative plate 6 is aligned with the bite groove 501 and the mounting plate 5 for clamping. During this process, under the limiting action of the pin 10 and the insertion hole 502, the docking block 31 is fixedly clamped in the bite groove 501, so as to realize the fitting and fixing of the decorative plate 6 and the mounting plate 5. The first push bar 21 and the second push bar 22 on the decorative plate 6 act on the cylindrical convex rod 14 and the driving groove 1701 in turn. The second push bar 22 extends into the inclined groove before the first push bar 21. Under the extrusion of the inclined surface, the upper convex platform 17 is forced to drive the moving seat 16 and the left docking head 12 to move horizontally in the direction of the adjacent right docking head 24. At this time, the external protrusion of the C-shaped hook 13 is just on the same horizontal plane as the inclined surface end of the protruding clamp 25. As the second push bar 22 drives from the inclined groove into the rectangular groove, the moving seat 16 remains stationary. At the same time, the first push bar 21 presses the cylindrical convex rod 14, so that the cylindrical convex rod 14 is forced to drive the left docking head 12 to rotate counterclockwise, so that the external protrusion of the C-shaped hook 13 presses the inclined surface end of the protruding clamp 25, so that the protruding clamp 25 is forced to drive the right docking head 24 to move to the right to quickly dock with the left docking head 12.

[0055] Secondly, this building block is different from the prior art. During the later maintenance work, the pipelines of each unit length can be overhauled and replaced.

[0056] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A building block that is easy to use, characterized in that: It comprises a main body layer and an inner layer; the main body layer is composed of an outer layer, a reinforcement layer and a thermal insulation layer in sequence, and the outer layer, the reinforcement layer and the thermal insulation layer are positioned between layers by the cooperation of the limiting convex ridges and the docking slots; The inner layer includes a mounting plate and a decorative plate, the mounting plate is provided with a pre-set perforation inside, and the wall heating pipe assembly is installed in the pre-set perforation; The wall heating pipe assembly includes a left butt joint, a right butt joint and a connecting pipe. The left butt joint and the right butt joint are quickly connected by a rotating clamping assembly. The connecting pipe is a retractable metal bellows. The decorative plate is detachably connected to the mounting plate through a quick-release clamping structure, and a push bar 1 and a push bar 2 are provided on the decorative plate to drive the left butt joint to complete horizontal movement and rotation, so as to realize automatic docking of the wall heating pipe assembly; Retractable protection strips are provided on both sides of the mounting plate, which are driven to expand or retract by pushing components and are used for pre-set perforations for shielding and protection.

2. A building block that is easy to use according to claim 1, characterized in that: The rotating clamp assembly includes a C-shaped hook symmetrically arranged on the outer wall of the left butt joint and a protruding clamp on the outer wall of the right butt joint; The contact end of the raised clamp is a sloped structure. When the left joint is rotated 40°, the C-shaped hook squeezes the slope to drive the right joint to move horizontally, completing the sealed joint.

3. A building block that is easy to use according to claim 1, characterized in that: The left butt joint is installed in the preset perforation through a guide assembly; The guide assembly includes a moving seat, a transverse guide rod and a spring three, and the moving seat realizes horizontal movement and guidance through the transverse guide rod and the spring three; An upper boss is arranged on the movable seat, an arc-shaped sliding groove is arranged on the inner wall of the upper boss to accommodate the cylindrical boss rod, and a rotational reset force is provided by a second spring.

4. A building block that is easy to use according to claim 1, characterized in that: The pushing assembly includes an L-shaped driven rod, a cylindrical pin and an active pressing block; When the active pressing block is pressed, the L-shaped driven rod drives the cylindrical pin to slide along the inclined groove, driving the protective strip to expand outward to cover the front side of the opening of the preset perforation.

5. A building block that is easy to use according to claim 4, characterized in that: A No. 1 magnet sheet is provided at the bottom of the active pressing block, and a No. 2 magnet sheet with the same magnetic pole is provided at the bottom of the biting groove; The active pressing block is normally located at the top of the bite groove through magnetic repulsion; the protective strip is flush with the surface of the mounting plate when retracted, and protrudes 6-9 mm when extended to form a protective edge.

6. A building block that is easy to use according to claim 1, characterized in that: The quick-release locking structure includes a bite groove, a plug hole and a locking pin; The bite groove is set in the middle of the mounting plate, and the bayonet is elastically snapped into the socket through a spring to achieve quick fixation of the decorative plate; The operating handle of the latch extends into the operating cavity of the decorative panel and is protected by a baffle.

7. A building block that is easy to use according to claim 6, characterized in that: The docking block of the decorative plate is adapted to the bite groove of the mounting plate, and a driving groove is provided through the front and rear of the upper boss; When the docking block is inserted into the biting groove, the push strip 1 and the push strip 2 act on the cylindrical protruding rod and the driving groove respectively.

8. A building block that is easy to use according to claim 7, characterized in that: The driving groove is composed of a wedge-shaped groove and a rectangular groove; Push bar 2 enters the wedge-shaped slot first to drive horizontal movement, and push bar 1 subsequently enters the rectangular slot to drive rotation.

9. A building block that is easy to use according to claim 1, characterized in that: The length and height of the inner layer are both 2-4 mm greater than the main body layer, so that adjacent inner layers can be seamlessly butted together and a gap is reserved for the paint.

10. A building block that is easy to use according to claim 1, characterized in that: The contact surfaces of the left butt joint and the right butt joint are provided with a silicone sealing ring; When adjacent blocks are spliced, the raised clamps and C-shaped hooks are distributed alternately; both ends of the connecting pipe are fixed by stainless steel clamps, and the clamps are lined with high-temperature resistant rubber pads.

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