阅读说明：本技术 榫件及榫卯连接件 (Tenon and mortise-tenon joint spare ) 是由 杨明 傅军 曾静勇 于 2021-10-12 设计创作，主要内容包括：本发明公开了一种榫件及榫卯连接件,涉及连接构件技术领域,榫件包括连接块、至少一个插块和至少一个锁定元件,锁定元件固定在插块上,且一个插块对应一个锁定元件,锁定元件与连接块固定连接且能够拆卸；榫卯连接件包括榫件和至少一个卯件,与插块插接的卯件为卯件,卯件与水平面平行,与插架插接的卯件为卯件,卯件与水平面垂直。该榫件及榫卯连接件方便根据实际需要对榫件和卯件进行组装,节约成本。(The invention discloses a tenon piece and a tenon-and-mortise joint piece, and relates to the technical field of connecting components, wherein the tenon piece comprises a connecting block, at least one insert block and at least one locking element, the locking element is fixed on the insert block, one insert block corresponds to one locking element, and the locking element is fixedly connected with the connecting block and can be detached; the mortise and tenon joint piece comprises a tenon piece and at least one mortise piece, the mortise piece inserted into the inserting block is a mortise piece, the mortise piece is parallel to the horizontal plane, the mortise piece inserted into the inserting frame is a mortise piece, and the mortise piece is vertical to the horizontal plane. This tenon spare and mortise-tenon joint spare are convenient assembles tenon spare and mortise-tenon spare according to actual need, practices thrift the cost.)

1. A tenon member characterized by: the locking device comprises a connecting block, at least one inserting block and at least one locking element, wherein the locking element is fixed on the inserting block, one inserting block corresponds to one locking element, and the locking element is fixedly connected with the connecting block and can be detached.

2. The mortise element of claim 1, wherein: the locking element comprises two clamping hooks, and the two clamping hooks are fixed on the same side wall of the inserting block; the connecting block is hollow, two through holes are formed in the side wall of the connecting block, one clamping hook corresponds to one through hole, and the clamping hook can extend into the connecting block through the through hole and is clamped at one end of the connecting block; two the eave tile of trip sets up mutually oppositely, and the eave tile of two trips can be to the direction removal that is close to each other or keeps away from.

3. The tenon of claim 2 wherein: a mounting plate is further fixed on one side wall of the inserting block, and one end of the clamping hook is fixed on the mounting plate; the mounting groove has been seted up on the lateral wall of connecting block, the mounting panel embedding extremely during in the mounting groove, the trip stretch into extremely inside the connecting block.

4. The mortise element of claim 1, wherein: the tenon piece further comprises at least one inserting frame, the connecting block is a square body, and the inserting frame and the inserting block are respectively used for being fixed on different side walls of the connecting block and are respectively used for connecting the mortise pieces in different directions.

5. The utility model provides a mortise-tenon joint spare which characterized in that: comprising a tenon and at least one mortise according to any one of claims 1 to 4, wherein the plug block and the plug frame are respectively plugged with different mortise.

6. The mortise and tenon joint member according to claim 5, wherein: the interior of the mortise component is hollow, the mortise component is sleeved on the periphery of the inserting block, one side of the mortise component is provided with a first supporting groove, two ends of the first supporting groove extend to two ends of the mortise component, and the edge of an external supporting component is accommodated in the first supporting groove; first wire casing has been seted up to the opposite side of fourth of the twelve earthly branches piece, the both ends of first wire casing extend to the both ends of fourth of the twelve earthly branches piece, just be used for holding the pencil in the first wire casing, first draw-in groove has still been seted up to the opening side of first wire casing, be used for imbedding first closing cap in the first draw-in groove, and pass through first closing cap is right first wire casing shutoff, the bottom of fourth of the twelve earthly branches piece still is fixed with the trough of lantern light, the trough of lantern light bottom with the bottom surface of fourth of the twelve earthly branches piece has the contained angle, the trough of lantern light inslot is used for fixed lamp area.

7. The mortise and tenon joint member according to claim 5, wherein: the interior of the mortise component is hollow, a mortise groove and a mortise protrusion are arranged on the inner wall of the mortise component, and two ends of the mortise groove and two ends of the mortise protrusion respectively extend to two ends of the mortise component in the length direction; a tenon groove is fixed on the outer side wall of the inserting block corresponding to the mortise bulge, a tenon bulge is fixed on the outer side wall of the inserting block corresponding to the mortise groove, the mortise piece can be sleeved on the periphery of the inserting block, the mortise bulge is embedded into the tenon groove, and the tenon bulge is embedded into the mortise groove; and the outer side wall of the mortise piece is also provided with a second bearing groove, and the second bearing groove is used for supporting the edge of the external bearing plate.

8. The mortise and tenon joint member according to claim 5, wherein: the inside cavity of fourth of the twelve earthly branches piece, just the fourth of the twelve earthly branches piece cover is located the inserted block periphery, the vertical fixation has a bearing board on the lateral wall of fourth of the twelve earthly branches piece, bearing board with smooth transition between the lateral wall of fourth of the twelve earthly branches piece, bearing board is used for the bearing cabinet door, the second wire casing has still been seted up on the fourth of the twelve earthly branches piece, be used for holding the pencil in the second wire casing, the second draw-in groove has still been seted up to the opening side in second wire casing, be used for imbedding the second closing cap in the second draw-in groove, and pass through the second closing cap is right the shutoff of second wire casing.

9. The mortise and tenon joint member according to claim 5, wherein: the interior of the mortise part is hollow, an insertion rail is fixed on the side wall of the mortise part, and two ends of the insertion rail respectively extend to two ends of the mortise part; the inserting frame comprises four upright posts, the four upright posts are respectively fixed at four corners on the outer wall of the connecting block, the upright posts extend from the connecting block to the direction which is vertical to and far away from the connecting block, an inserting joint is formed between every two adjacent upright posts, and the mortise part can be sleeved on the periphery of the inserting frame and enables the inserting rail to slide into the inserting joint.

10. The mortise and tenon joint member according to claim 5, wherein: the outer corner of the connecting block is further provided with a containing groove, the containing groove is close to the same inserting frame and is formed, and the containing groove is used for supporting the corner of the external bearing plate.

Technical Field

The invention relates to the technical field of connecting components, in particular to a tenon-and-mortise connecting piece of a tenon piece.

Background

The mortise and tenon connection is a concave-convex combination connection mode. The convex part is called tenon (or tenon); the concave part is called as mortise (or mortise, mortise), and the tenon and the mortise are occluded to play a role in connection. The tenon-and-mortise structure is widely applied to buildings and furniture.

The existing tenon piece is generally of an integrated structure, but in the actual inserting process, the tenon piece is not inserted into all directions, so that the tenon piece is not required to be inserted into all directions, the protrusion of the tenon piece wastes materials, and the appearance is influenced.

Disclosure of Invention

The invention aims to provide a tenon-and-mortise connecting piece for solving the problems in the prior art, the tenon and the mortise can be conveniently assembled according to actual needs, and the cost is saved.

In order to achieve the purpose, the invention provides the following scheme:

the invention provides a tenon piece which comprises a connecting block, at least one insert block and at least one locking element, wherein the locking element is fixed on the insert block, one insert block corresponds to one locking element, and the locking element is fixedly connected with the connecting block and can be detached.

Preferably, the locking element comprises two hooks, and the two hooks are fixed on the same side wall of the insert block; the connecting block is hollow, two through holes are formed in the side wall of the connecting block, one clamping hook corresponds to one through hole, and the clamping hook can extend into the connecting block through the through hole and is clamped at one end of the connecting block; two the eave tile of trip sets up mutually oppositely, and the eave tile of two trips can be to the direction removal that is close to each other or keeps away from.

Preferably, an installation plate is further fixed on one side wall of the insertion block, and one end of the clamping hook is fixed on the installation plate; the mounting groove has been seted up on the lateral wall of connecting block, the mounting panel embedding extremely during in the mounting groove, the trip stretch into extremely inside the connecting block.

Preferably, the tenon part further comprises at least one inserting frame, the connecting block is a cube, and the inserting frame and the inserting block are respectively used for being fixed on different side walls of the connecting block and are respectively used for connecting mortise parts in different directions.

The invention also provides a mortise and tenon joint piece, which comprises the mortise piece and at least one mortise piece in any one of the technical schemes, wherein the inserting block and the inserting frame are respectively inserted and connected with different mortise pieces.

Preferably, the inside of the mortise component is hollow, the mortise component is sleeved on the periphery of the inserting block, a first bearing groove is formed in one side of the mortise component, two ends of the first bearing groove extend to two ends of the mortise component, and the first bearing groove is used for accommodating the edge of an external bearing component; first wire casing has been seted up to the opposite side of fourth of the twelve earthly branches piece, the both ends of first wire casing extend to the both ends of fourth of the twelve earthly branches piece, just be used for holding the pencil in the first wire casing, first draw-in groove has still been seted up to the opening side of first wire casing, be used for imbedding first closing cap in the first draw-in groove, and pass through first closing cap is right first wire casing shutoff, the bottom of fourth of the twelve earthly branches piece still is fixed with the trough of lantern light, the trough of lantern light bottom with the bottom surface of fourth of the twelve earthly branches piece has the contained angle, the trough of lantern light inslot is used for fixed lamp area.

Preferably, the inside of the mortise component is hollow, a mortise groove and a mortise protrusion are arranged on the inner wall of the mortise component, and two ends of the mortise groove and the mortise protrusion respectively extend to two ends of the mortise component in the length direction; a tenon groove is fixed on the outer side wall of the inserting block corresponding to the mortise bulge, a tenon bulge is fixed on the outer side wall of the inserting block corresponding to the mortise groove, the mortise piece can be sleeved on the periphery of the inserting block, the mortise bulge is embedded into the tenon groove, and the tenon bulge is embedded into the mortise groove; and the outer side wall of the mortise piece is also provided with a second bearing groove, and the second bearing groove is used for supporting the edge of the external bearing plate.

Preferably, the inside cavity of fourth of twelve earthly branches piece, just the fourth of twelve earthly branches piece cover is located the inserted block periphery, the vertical fixation has a bearing board on the lateral wall of fourth of twelve earthly branches piece, bearing board with smooth transition between the lateral wall of fourth of twelve earthly branches piece, bearing board is used for the bearing cabinet door, the second wire casing has still been seted up on the fourth of twelve earthly branches piece, be used for holding the pencil in the second wire casing, the second draw-in groove has still been seted up to the opening side of second wire casing, be used for imbedding the second closing cap in the second draw-in groove, and pass through the second closing cap is right the shutoff of second wire casing.

Preferably, the inside of the mortise component is hollow, an insertion rail is fixed on the side wall of the mortise component, and two ends of the insertion rail respectively extend to two ends of the mortise component; the inserting frame comprises four upright posts, the four upright posts are respectively fixed at four corners on the outer wall of the connecting block, the upright posts extend from the connecting block to the direction which is vertical to and far away from the connecting block, an inserting joint is formed between every two adjacent upright posts, and the mortise part can be sleeved on the periphery of the inserting frame and enables the inserting rail to slide into the inserting joint.

Preferably, the outer corner of the connecting block is further provided with a containing groove, the containing groove is close to the same inserting frame and is used for supporting the corner of the external bearing plate.

Compared with the prior art, the invention has the following technical effects:

the tenon piece provided by the invention comprises a connecting block, at least one inserting block and at least one locking element, wherein the locking element is fixed on the inserting block, one inserting block corresponds to one locking element, the locking element is fixedly connected with the connecting block and can be detached, the inserting block is fixed on the connecting block and is required to be connected with the side wall of a mortise piece according to the actual assembly requirement, the inserting block is not installed on the side wall of the connecting block which is not required to be connected with the mortise piece, the phenomenon that the inserting block protrudes to influence the appearance is avoided, materials are saved, the cost is reduced, and the inserting block can be detached so as to be conveniently reused.

The mortise-tenon joint piece comprises a tenon piece and at least one mortise piece, the inserting block and the inserting frame are respectively inserted into different mortise pieces, and the mortise pieces are installed in different directions of the tenon piece according to the actual installation position requirement, so that the mortise-tenon joint piece is convenient to assemble, the material cost is saved, and a multi-layer cabinet body frame can be conveniently assembled.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic illustration of a tenon member according to one embodiment;

FIG. 2 is a schematic structural diagram of another exemplary tongue member according to one embodiment;

FIG. 3 is a schematic view of the connection block of the tenon member to the frame according to one embodiment;

FIG. 4 is a schematic structural diagram of a mortise element in a tenon according to an embodiment;

FIG. 5 is a schematic top view of a connection block of a mortise element according to an embodiment;

FIG. 6 is a schematic structural view of a mortise connected to a plug in the mortise-tenon joint according to the second embodiment;

FIG. 7 is a schematic structural view of another mortise connected to a plug in the mortise-tenon joint according to the second embodiment;

FIG. 8 is a schematic structural view of another mortise connecting element connected to a plug provided in the second embodiment;

FIG. 9 is a schematic structural view of a mortise connected to a frame in a mortise-tenon joint provided in the second embodiment;

fig. 10 is a schematic structural diagram of a cabinet frame assembled by tenon members in the first embodiment and mortise members in the second embodiment;

in the figure: 10-tenon, 11-joint block, 111-receiving groove, 112-mounting groove, 113-through hole, 12-plug block, 121-tenon protrusion, 122-tenon groove, 13-plug frame, 131-upright, 132-plug seam, 141-mounting plate, 142-trip, 15-pillar, 20-mortise element, 21-first support groove, 22-lamp groove, 23-mortise groove, 24-mortise protrusion, 25-second support groove, 26-first wire groove, 27-first wire groove, 28-second wire groove, 29-second wire groove, 30-support plate, 31-plug rail.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention aims to provide a tenon and mortise joint part, and aims to solve the technical problem that the existing tenon and mortise joint part is high in production cost.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Example one

As shown in fig. 1-5, the embodiment provides a tenon 10, including a connecting block 11, at least one inserting block 12 and at least one locking element, the locking element is fixed on the inserting block 12, and one inserting block 12 corresponds to one locking element, the locking element is fixedly connected with the connecting block 11 and can be detached, and then according to the actual assembly requirement, the inserting block 12 is fixed on the connecting block 11 and needs to be connected with the side wall of the mortise 20, and the inserting block 12 is not installed on the side wall of the connecting block 11 which does not need to be connected with the mortise 20, so that not only is the beauty of the inserting block 12 prevented from being affected by the protrusion, but also the material is saved, and further the cost is reduced, and the inserting block 12 can be detached, so as to facilitate the reuse of the inserting block 12, and can be installed and fixed at different positions.

Specifically, as shown in fig. 4 to 5, the locking element includes two hooks 142, and the two hooks 142 are fixed on the same side wall of the insertion block 12 and connected with the connection block 11 through the two hooks 142, so as to improve the connection stability; the connecting block 11 is hollow, two through holes 113 are formed in the side wall of the connecting block 11, one clamping hook 142 corresponds to one through hole 113, the clamping hook 142 can extend into the connecting block 11 through the through hole 113 and is clamped at one end of the connecting block 11, so that the connecting block 11 and the inserting block 12 are fixed, the clamping hook 142 is limited by clamping the clamping hook 142 at one end of the through hole 113, the clamping hook 142 is prevented from being separated from the connecting block 11, the fixing of the inserting block 12 and the connecting block 11 is influenced, and the inserting connection of the tenon piece 10 and the mortise piece 20 is further influenced; the hook heads of the two hooks 142 are arranged oppositely, and the hook heads of the two hooks 142 can move towards the direction close to or away from each other, when the connector is installed, the hook heads of the two hooks 142 are made to approach each other to the front end of the hook head to enter the installation groove 112 through tweezers or other small tools, the insertion block 12 is continuously moved towards the direction close to the connecting block 11, so that the hook heads of the hooks 142 enter the inside of the connecting block 11 through the through hole 113, and under the action of the elastic restoring force of the hooks 142, the hook heads of the hooks 142 move towards the direction away from each other to the end, far away from the insertion block 12, clamped on the through hole 113, so that the clamping of the hooks 142 is realized; when needs are dismantled, hold between the fingers trip 142 through tweezers or gadget to make trip 142 remove to the direction that is close to each other, draw the inserted block 12 to the direction of keeping away from connecting block 11, trip 142 breaks away from connecting block 11, realizes dismantling easy operation, and ann tears the convenience open.

As shown in fig. 3-4, a mounting plate 141 is further fixed on one side wall of the insert block 12, and one end of the hook 142 is fixed on the mounting plate 141; mounting groove 112 has been seted up on the lateral wall of connecting block 11, and when mounting panel 141 imbedded to the mounting groove 112 in, trip 142 stretched into to connecting block 11 inside, and then spacing to inserting block 12 and connecting block 11 in vertical direction through mounting panel 141 and mounting groove 112's cooperation, improved connection stability.

As shown in fig. 1-3, the tenon 10 further includes at least one inserting frame 13, when the tenon 10 provided in this embodiment is used in the middle of the cabinet frame 10, that is, when the upper and lower ends of the tenon 10 both need to connect the mortise 20, the tenon 10 includes two inserting frames 13, the number of the inserting blocks 12 is four (as shown in fig. 1), or the number of the inserting blocks 12 can be adjusted according to the specific position of the tenon 10, the connecting block 11 is a square body with openings at both ends, and the two inserting frames 13 are respectively fixed at the opening ends of the connecting block 11, the inserting frames 13 are used for inserting the mortise 20 extending in the vertical direction, so as to support the mortise 20 in the vertical direction, so as to form a multi-layer cabinet, because the inserting frames 13 mainly bear the longitudinal gravity, and are simple to bear the force relative to the inserting blocks 12, the corresponding positions on the connecting block 11 are provided with openings, which not only can reduce the overall weight, but also does not affect the connection stability, the connecting block 11 is hollow and is fixed with a supporting element, and the supporting element is used for supporting each inner side wall of the connecting block 11, so that the overall stability and the bearing capacity of the connecting block 11 are ensured; each inserting block 12 is fixed on the other four side walls of the connecting block 11, and the inserting block 12 is used for inserting the rivet member 20 extending in the horizontal direction, so as to support the rivet member 20 in the horizontal direction, thereby improving the stability of the overall connection; when the tenon 10 provided by the embodiment is located at the edge of the cabinet frame 10, whether the insertion block 12 needs to be connected on each surface of the tenon 10 is selected according to the specific position of the tenon 10 and the connection requirement of the mortise 20, so as to ensure the overall aesthetic property and cost saving (as shown in fig. 2).

Example two

As shown in fig. 1 to 10, the embodiment provides a mortise and tenon joint, including a mortise and tenon joint 10 and at least one mortise and tenon joint 20 in the first embodiment, the insert block and the insert frame 13 are respectively inserted into different mortise and tenon joints 20, and the outer side wall of the mortise and tenon joint 20 is provided with a wavy texture wire drawing, so that the whole body is more beautiful, and a plurality of mortise and tenon joint assemblies form a cabinet frame (as shown in fig. 10).

As shown in fig. 6, the mortise component 20 is hollow, the mortise component 20 is sleeved on the periphery of the insertion block 12 and is fixedly inserted into the insertion block 12, a first support slot 21 is formed in one side of the mortise component 20, two ends of the first support slot 21 extend to two ends of the mortise component 20, and the edge of an external support component is accommodated in the first support slot 21, preferably, the side wall of the first support slot 21 is thickened, so that a thickened laminate can be conveniently placed, the bearing force is increased, the deformation is prevented, and the service life of the whole body can be prolonged; the other side of the mortise component 20 is provided with a first groove 26, two ends of the first groove 26 extend to two ends of the mortise component 20, the first groove 26 is used for accommodating a wiring harness, so as to supply power to a lamp strip or other electronic devices, the opening side of the first groove 26 is further provided with a first clamping groove 27, the first clamping groove 27 is used for embedding a first sealing cover, the first groove 26 is sealed by the first sealing cover, the wiring harness is protected by the first sealing cover, meanwhile, the influence of the exposure of the wiring harness on the whole attractiveness and safety is avoided, the bottom of the mortise component 20 is further fixed with a lamp strip groove 22, the bottom of the lamp strip groove 22 and the bottom of the mortise component 20 form an included angle, the lamp strip is fixed in the lamp strip groove 22, so that the assembled cabinet body frame 10 is bright and atmosphere, preferably, a support column is further fixed on one side of the mortise component 10 where the mortise component 20 does not need to be installed, and a protection plate is fixed at the support column, so that the protruding protection plate is flush with the first sealing cover on the mortise component 20, the integral aesthetic property is improved.

As shown in fig. 7, the inside of the mortise component 20 is hollow, and the inner wall of the mortise component 20 is provided with a mortise groove 23 and a mortise protrusion 24, both ends of the mortise groove 23 and the mortise protrusion 24 respectively extend to both ends of the length direction of the mortise component 20, preferably, the middle part of the inner top surface of the mortise component 20 is directly bent downward to form the mortise protrusion 24, the mortise groove 23 is formed at both sides of the mortise protrusion 24, the middle part of the inner bottom surface of the mortise component 20 is also directly bent upward to form the mortise protrusion 24, and the positions of the mortise protrusions 24 on the inner top surface and the inner bottom surface of the mortise component 20 correspond to each other; a tenon groove 122 is fixed on the outer side wall of the inserting block 12 corresponding to the position of the mortise protrusion 24, a tenon protrusion 121 is fixed on the outer side wall of the inserting block 12 corresponding to the position of the mortise groove 23, a tenon groove 122 is formed between the two tenon protrusions 121, the mortise part 20 can be sleeved on the periphery of the inserting block 12, the mortise protrusion 24 is embedded into the tenon groove 122, the tenon protrusion 121 is embedded into the mortise groove 23, the tenon part 10 is further inserted into the mortise part 20, and the stability of the integral connection is ensured through the matching of the tenon protrusion 121 and the mortise groove 23 and the matching of the tenon groove 122 and the mortise protrusion 24; the two ends of the mortise part 20 in the length direction are open, preferably, the inserting block 12 is of a solid structure, so that the overall bearing capacity can be improved, the connection failure of the tenon part 10 and the mortise part 20 caused by the overweight of articles placed on the external bearing plate 30 in the use process can be avoided, the tenon protrusion 121 can play a limiting role, the overall strength of the tenon part 10 can be improved, and the tenon part 10 is not easy to break integrally; still seted up the second on the lateral wall of fourth of twelve earthly branches piece 20 and held groove 25, second holds the groove 25 and is used for supporting outside bearing board 30's edge, and when outside bearing board 30 was board or glass, board or glass's edge can be placed in second bearing groove 25, and then supports through the edge to board or glass, guarantees holistic supporting effect, and can not influence the placing of board or glass surface article.

As shown in fig. 8, the inside cavity of fourth of twelve earthly branches piece 20, can alleviate whole quality, and fourth of twelve earthly branches piece 20 cover is located the 12 peripheries of inserted block, it is fixed to realize pegging graft with inserted block 12, the vertical fixation has a bearing board 30 on the lateral wall of fourth of twelve earthly branches piece 20, smooth transition between the lateral wall of bearing board 30 and fourth of twelve earthly branches piece 20, bearing board 30 is used for the bearing cabinet door, the curved surface sets up the stress intensity that can strengthen the threshold, make bearing board 30 department non-deformable, second wire casing 28 has still been seted up on fourth of twelve earthly branches piece 20, be used for holding the pencil in the second wire casing 28, so that for lamp area or other electron device power supply uses, second draw-in groove 29 has still been seted up to the opening side of second wire casing 28, be used for imbedding the second closing cap in the second draw-in groove 29, and through second closing cap to second wire casing 28 shutoff, and then protect the pencil through first closing cap, also avoid simultaneously exposing the pencil and influence whole aesthetic property and security.

As shown in fig. 9, the inside of the rivet member 20 is hollow, which can reduce the overall mass, and the sidewall of the rivet member 20 is fixed with the insertion rail 31, both ends of the insertion rail 31 respectively extend to both ends of the rivet member 20, preferably, the insertion rail 31 is formed by inwardly protruding sidewall of the rivet member 20, and further, a protrusion is formed on the inner wall of the rivet member 20, a groove is formed on the outer wall, and the groove can be used for embedding the outer edge of a partition plate and the like; the inserting frame 13 comprises four upright posts 131, the four upright posts 131 are respectively fixed at four corners on the outer wall of the connecting block 11, the upright posts 131 extend from the connecting block 11 to the direction perpendicular to and away from the connecting block 11, an inserting joint 132 is formed between every two adjacent upright posts 131, the inner wall surfaces of the upright posts 131 are arc-shaped curved surfaces, the mortise part 20 can be sleeved on the periphery of the inserting frame 13, the inserting rail 31 is made to slide into the inserting joint 132, and the inserting frame 13 and the mortise part 20 are connected.

As shown in fig. 1 to 3, the outer corner of the connecting block 11 is further provided with a receiving groove 111, the receiving groove 111 is provided near the same inserting frame 13, in the assembling process, the receiving groove 111 is provided near the inserting frame 13 at the upper end, and the receiving groove 111 is used for supporting the corner of the external bearing plate 30, so as to ensure the stability of supporting the external bearing plate 30 and improve the bearing capacity.

Tenon spare 10 is made for the ABS material, and fourth of twelve earthly branches spare 20 is the aluminium alloy processing and is made, and the quality is light, and whole pleasing to the eye.

The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In summary, this summary should not be construed to limit the present invention.