CN217476593U - Supporting component and three-dimensional printer - Google Patents

Abstract

The utility model discloses a supporting component and three-dimensional inkjet printer relates to printing apparatus technical field, and the main objective improves three-dimensional inkjet printer's printing quality. The utility model discloses a main technical scheme does: the supporting component is applied to a three-dimensional printer, the three-dimensional printer comprises a base, a support is connected to the base, and the supporting component comprises a plurality of supporting pieces which are sequentially connected in a rotating manner; the adjacent supporting pieces can relatively rotate to a folded state or an unfolded state; in the unfolded state, the supporting piece at one end of the supporting component is connected with the bracket, and the supporting piece at the other end of the supporting component is connected with the base. The support assembly in the unfolded state is used for supporting the support, so that a triangular stable structure is formed, vibration generated between the support and the base is reduced, and the printing quality of the three-dimensional printer is improved; the support assembly is capable of shortening its length in a folded condition to facilitate its storage and packaging.

Description

Supporting component and three-dimensional printer

Technical Field

The utility model relates to a printing apparatus technical field particularly, relates to a supporting component and three-dimensional inkjet printer.

Background

A three-dimensional printer is a machine based on rapid prototyping technology, which uses a digital model file as a base to manufacture a three-dimensional object by printing layers of adhesive material, such as powdered metal or plastic.

Three-dimensional inkjet printer includes the base usually and the support of being connected with the base, because the height of support is higher, easily takes place to rock in the use, vibration scheduling problem to influence three-dimensional inkjet printer's printing quality.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the present invention provides a supporting assembly and a three-dimensional printer, and mainly aims to improve the printing quality of the three-dimensional printer.

In order to achieve the above object, the utility model mainly provides the following technical scheme:

on one hand, the embodiment of the utility model provides a support assembly, be applied to three-dimensional printer, three-dimensional printer includes the base, be connected with the support on the base, support assembly includes a plurality of support piece that rotate the connection in proper order; the adjacent supporting pieces can relatively rotate to a folded state or an unfolded state;

in the unfolding state, the supporting piece at one end of the supporting component is connected with the bracket, and the supporting piece at the other end of the supporting component is connected with the base.

Further, the support assembly comprises a first support member and a second support member which are rotatably connected, and the first support member and the second support member can relatively rotate to a folded state or an unfolded state;

in the unfolded state, one of the first support and the second support is connected with the bracket, and the other of the first support and the second support is connected with the base.

Further, the supporting assembly further comprises a limiting member, and the limiting member is connected with the first supporting member and/or the second supporting member, so as to enable the first supporting member and the second supporting member to be in the unfolded state.

Furthermore, the first supporting piece is provided with an installation hole; a limiting hole is formed in the second supporting piece;

the limiting part comprises a limiting body and a limiting head which are connected, the limiting body is connected in the mounting hole, and the limiting head can extend out of or retract into the mounting hole;

in the unfolding state, the limiting hole is opposite to the mounting hole, and the limiting head extends out of the mounting hole and is inserted in the limiting hole; when the unfolding state is switched to the folding state, the limiting head retracts into the mounting hole and is separated from the limiting hole.

Furthermore, the limiting part further comprises an elastic part, the limiting head is connected with the limiting body through the elastic part, and the limiting head can extend out of the mounting hole under the elastic action of the elastic part or can overcome the elastic force of the elastic part to retract into the mounting hole.

Further, the support assembly further comprises a guide member connected to the second support member;

the guide piece is used for abutting against the limiting head and enabling the limiting head to retract into the mounting hole when the folding state is switched to the unfolding state, and the guide piece is separated from the limiting head until the limiting head extends out of the mounting hole and is inserted into the limiting hole until the unfolding state is reached.

Furthermore, the guide part comprises a guide surface, the guide surface is adjacent to the limiting hole and obliquely extends in the direction away from the first supporting part on the basis of one side direction of the second supporting part, and the guide surface is used for abutting against the limiting head.

Furthermore, the limiting part comprises an anti-loosening screw, the anti-loosening screw comprises a body and a screw rod part which are connected, the body forms the limiting body, and the screw rod part forms the limiting head;

the limiting hole is a threaded hole matched with the screw rod part.

Further, the first support piece is connected with the bracket through a connecting piece;

the connecting piece is provided with a waist-shaped hole which is obliquely arranged, and the first supporting piece is connected with the connecting piece through the waist-shaped hole.

Further, the first supporting piece is connected to the top end of the bracket, the second supporting piece is connected to the end part of the base, and the supporting component is obliquely arranged;

the first supporting piece and the second supporting piece are both rod body structures.

On the other hand, the embodiment of the utility model provides a three-dimensional printer, three-dimensional printer includes the base, be connected with the support on the base, three-dimensional printer still includes aforementioned supporting component.

Borrow by above-mentioned technical scheme, the utility model discloses following beneficial effect has at least:

the embodiment of the utility model provides a supporting component, which is arranged to comprise a plurality of supporting pieces which are sequentially connected in a rotating way; the adjacent supporting pieces can relatively rotate to be in a folded state or an unfolded state, so that when the three-dimensional printer needs to be installed, the supporting assembly can be rotated to be in the unfolded state and installed between the support and the base of the three-dimensional printer, the support is supported by the supporting assembly, the triangular fixing structure is formed, vibration generated between the support and the base is reduced, and the printing quality of the three-dimensional printer applying the supporting assembly is improved; when needs packing, can dismantle one end or whole from between support and the base of supporting component, then rotate first support piece and second support piece to fold condition to shorten the length of supporting component, so that the receiving and the packing of supporting component.

Drawings

Fig. 1 is a schematic structural view of a three-dimensional printer and a support assembly according to an embodiment of the present invention;

fig. 2 is a schematic view of a partial explosion structure of a supporting assembly according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a support assembly in an expanded state according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a first supporting member of a supporting assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a support assembly according to an embodiment of the present invention in a folded state;

fig. 6 is an exploded view of another support assembly provided in accordance with an embodiment of the present invention;

fig. 7 is a schematic structural view of another support assembly according to an embodiment of the present invention in a deployed state;

fig. 8 is a schematic structural diagram of a connecting piece in a three-dimensional printer according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the drawings in the preferred embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all embodiments of the invention. The embodiments described below by referring to the drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

In the description of the present embodiment, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the scope of the present embodiment.

As shown in fig. 1, the embodiment of the utility model provides a supporting component 3 is applied to three-dimensional inkjet printer, and three-dimensional inkjet printer includes base 1, is connected with support 2 on the base 1, and this support 2 can be for the support frame of Z axle module. The supporting component 3 comprises a plurality of supporting pieces which are sequentially connected in a rotating way; the adjacent supporting pieces can relatively rotate to a folded state or an unfolded state; in the unfolded state, the supporting part at one end of the supporting component is connected with the bracket 2, and the supporting part at the other end of the supporting component is connected with the base 1.

In this application, the number of the plurality, including at least two, is not limited to a specific number. If the support assembly 3 comprises the first support member 31 and the second support member 32 which are rotatably connected, specifically, the first support member 31 and the second support member 32 can be rotatably connected through the rotating shaft 35, and the first support member 31 and the second support member 32 can be relatively rotated to the folded state or the unfolded state; in the unfolded state, one of the first support 31 and the second support 32 is connected to the stand 2, the other of the first support 31 and the second support 32 is connected to the base 1, and the support assembly 3 is used to support the stand 2 to stabilize the base 1 and the stand 2. Which one of the first supporting member 31 and the second supporting member 32 is connected to the base 1 and which one is connected to the bracket 2 can be selected according to actual requirements in specific implementation, and is not limited in the application. In the present application, the connection may be a detachable connection or a fixed connection.

If the first supporting member 31 is connected to the bracket 2 and the second supporting member 32 is connected to the base 1, other supporting members may be further included between the first supporting member 31 and the bracket 2; other supports may also be included between the second support 32 and the base 1. If the second supporting member 32 is connected to the frame 2 and the first supporting member 31 is connected to the base 1, other supporting members may be included between the second supporting member 32 and the frame 2; other supports may also be included between the first support 31 and the base 1. When the supporting member is connected to the base 1 or the bracket 2, the supporting member may also be connected by other means, which is not limited in this application.

When the supporting member is connected to the base 1 or the bracket 2, the supporting member may also be connected by other means, such as a nut or a screw, and the application is not limited thereto.

The embodiment of the utility model provides a supporting component 3, which is arranged to comprise a plurality of supporting pieces which are sequentially connected in a rotating way; the adjacent supporting pieces can relatively rotate to be in a folded state or an unfolded state, so that when the three-dimensional printer needs to be installed, the supporting component 3 can be rotated to be in the unfolded state and installed between the support 2 and the base 1 of the three-dimensional printer, the support 2 is supported by the supporting component 3, the triangular structure is stabilized, vibration generated between the support and the base is reduced, and the printing quality of the three-dimensional printer using the supporting component 3 is improved; when the package is needed, one end or the whole of the supporting component 3 can be detached from the space between the bracket 2 and the base 1, and then the first supporting piece 31 and the second supporting piece 32 are rotated to the folded state, so that the length of the supporting component 3 is shortened, and the supporting component 3 can be conveniently stored and packaged.

In the embodiment of the present invention, referring to fig. 2, fig. 3, fig. 6 and fig. 7, the supporting assembly 3 further includes a limiting member 33, and the limiting member 33 is connected to the first supporting member 31 and/or the second supporting member 32, so as to enable the first supporting member 31 and the second supporting member 32 to be in the unfolded state.

In the above embodiment, by providing the limiting member 33, when the installation is required, the first supporting member 31 and the second supporting member 32 in the unfolded state can be fixed by the limiting member 33 and installed between the bracket 2 and the base 1, so that the supporting assembly 3 supports the bracket 2, and the use is more reliable; of course, when the package is needed, the limiting member 33 can be detached or the limiting state of the limiting member 33 can be changed, so that the first supporting member 31 and the second supporting member 32 can be rotated to the folded state, the length of the supporting assembly 3 can be further shortened, and the operation is convenient.

In the above embodiment, the structure of the limiting member 33 is not limited, and the structure form may be various, as long as the first supporting member 31 and the second supporting member 32 can be in the unfolded state, for example, the limiting member 33 may include two baffles oppositely disposed on the first supporting member 31 or the second supporting member 32, one of the baffles may be rotatably connected to the first supporting member 31 or the second supporting member 32 through a damping shaft, and the other baffle is fixed, for example, the two baffles are disposed on the first supporting member 31, and the rotatable baffle rotates to an avoiding position to avoid interference on rotation of the second supporting member 32, so that when the second supporting member 32 rotates to be in the unfolded state with the first supporting member 31, the second supporting member 32 may be clamped with the fixed baffle, and at this time, the rotatable baffle rotates to be opposite to the fixed baffle to limit the second supporting member 32, so that the first support 31 and the second support 32 are fixed in the unfolded state; of course, the first support member 31 and the second support member 32 can be folded by rotating the rotatable bezel to the retracted position again. Alternatively, the limiting member may include a fastener or a latch, a mounting hole may be disposed at a corresponding position of the first support member and the second support member, and the fastener or the latch may be connected in the mounting hole, so as to ensure that the first support member 31 and the second support member 32 are in the unfolded state, and when the fastener is detached, the first support member 31 and the second support member 32 are in the folded state. Alternatively, the limiting member may be a spring clip, a spring tension clip, or the like.

In order to improve the convenience of the supporting component 3, in the embodiment of the present invention, referring to fig. 2 and 6, the first supporting member 31 is provided with a mounting hole 331; the second supporting member 32 is provided with a limiting hole 332; the limiting member 33 comprises a limiting body 333 and a limiting head 334 which are connected, the limiting body 333 is connected in the mounting hole 331, and the limiting head 334 can extend out of or retract into the mounting hole 331; in the unfolded state, the limiting hole 332 is opposite to the mounting hole 331, and the limiting head 334 extends out of the mounting hole and is inserted in the limiting hole 332; when the extended state is switched to the folded state, the stopper 334 is retracted into the mounting hole 331 and separated from the stopper hole 332.

In the above embodiment, the limiting body 333 of the limiting member 33 is connected to the mounting hole 331 of the first supporting member 31, and the limiting head 334 of the limiting member 33 can extend out of the mounting hole 331, in the unfolded state, the limiting hole 332 and the mounting hole 331 can be opposite, and the limiting head 334 extends out of the mounting hole 331, so that the limiting head 334 is inserted into the limiting hole 332, thereby fixing the first supporting member 31 and the second supporting member 32 in the unfolded state; of course, the limiting head 334 can be retracted into the mounting hole 331 to be separated from the limiting hole 332, so that the first support 31 and the second support 32 can be rotated to the folded state, and the operation is convenient.

In the embodiment of the present invention, the position-limiting member 33 may further include an elastic member, the position-limiting head 334 is connected to the position-limiting body 333 through the elastic member, the position-limiting head 334 may extend out of the mounting hole 331 or overcome the elastic force of the elastic member to retract into the mounting hole 331 under the elastic action of the elastic member, wherein the elastic member may be a spring.

According to the above embodiment, in the process of switching from the folded state to the unfolded state, an operator may apply an external force to the limiting head 334 to retract the limiting head 334 into the mounting hole 331 against the elastic force of the elastic member, so that the first supporting member 31 and the second supporting member 32 rotate relatively, until the limiting hole 332 is opposite to the mounting hole 331, the external force is removed, the limiting head 334 may extend out of the mounting hole 331 under the driving of the elastic member to be inserted into the limiting hole 332, and the first supporting member 31 and the second supporting member 32 are in the unfolded state and fixed. Specifically, the stopper 33 may be a spring pin, a ball plunger, or the like.

In order to further improve the convenience of the supporting component 3, referring to fig. 2 and fig. 3, in an embodiment of the present invention, the supporting component 3 further includes a guiding element 34, the guiding element 34 is connected to the second supporting element 32, the guiding element 34 is used for abutting against the limiting head 334 and retracting the limiting head 334 into the mounting hole 331 by overcoming the elastic force of the elastic element when the folded state is switched to the unfolded state, until the folded state is switched to the unfolded state, the guiding element 34 is separated from the limiting head 334 so that the limiting head 334 extends out of the mounting hole 331 under the driving of the elastic element and is plugged into the limiting hole 332.

In the above embodiment, in the process of switching from the folded state to the unfolded state, that is, in the process of relatively rotating the first support member 31 and the second support member 32, the guide member 34 may abut against the limiting head 334, so that the limiting head 334 retracts into the mounting hole 331 against the elastic force of the elastic member, until the folded state, the guide member 34 is separated from the limiting head 334, so that the limiting head 334 automatically extends out of the mounting hole 331 under the driving of the elastic member and is inserted into the limiting hole 332, so that the first support member 31 and the second support member 32 are fixed in the unfolded state, in this process, the relative rotation of the first support member 31 and the second support member 32 may be achieved without applying an external force to the limiting head 334 by an operator, and the limiting head 334 of the limiting member 33 may be automatically inserted into the limiting hole 332, which is more convenient to operate.

It should be noted that, referring to fig. 4, in order to facilitate the switching of the supporting component 3 from the unfolding state to the folding state, a guiding arc surface can be arranged at an end edge of the limiting hole 332 facing the mounting hole 331, and meanwhile, the end surface of the limiting head 334 is set to be a hemispherical surface, so that when the first supporting member 31 is rotated, the limiting head 334 can overcome the elastic force of the elastic member under the external force to disengage from the limiting hole 332, and further, the relative rotation between the first supporting member 31 and the second supporting member 32 is realized until the supporting component is in the folding state, and the operation is more convenient. In addition, the end surface of the stopper 334 is formed as a hemispherical surface, which facilitates the abutment of the stopper 334 with the guide 34.

In the embodiment of the present invention, referring to fig. 2, 3 and 5, the guiding element 34 includes a guiding surface 341, the guiding surface 341 is adjacent to the limiting hole 332 and is obliquely extended in a direction away from the first supporting element 31 based on a side of the second supporting element 32; the guide surface 341 is adapted to abut against the stopper 334.

In the above embodiment, the guide member 34 may be a guide strip structure extending along the length direction of the second support member 32, and the guide surface 341 may be a surface of the guide member 34 adjacent to the position-limiting hole 332, and by arranging the guide surface 341 to be inclined toward a direction away from the first support member 31, the position-limiting head 334 can be easily abutted against the guide surface 341, so that the position-limiting head 334 can be easily inserted into the position-limiting hole 332 automatically.

Of course, the position limiting member 33 is not limited to the above structure, and in the embodiment of the present invention, referring to fig. 6 and 7, the position limiting member 33 includes an anti-loose screw, the anti-loose screw includes a body and a screw portion connected with each other, the body forms the position limiting body 333, and the screw portion forms the position limiting head 334; the limiting hole 332 is a threaded hole matched with the screw rod part.

In the above embodiment, in the expanded state, the body of the anti-loosening screw may be screwed so that the screw portion extends out and is in threaded connection with the limiting hole 332; when the unfolding state is switched to the folding state, the body of the anti-loosening screw can be screwed so that the screw rod part retracts and is separated from the limiting hole 332, and therefore the first supporting piece 31 and the second supporting piece 32 can rotate relatively to the folding state, and the operation is convenient. The loose screw can also be called loose screw, the structural composition and the working principle of the loose screw are the prior art, and the details are not described here.

In order to solve the problem that the supporting component 3 cannot be normally installed between the base 1 and the bracket 2 due to installation errors possibly existing when the supporting component 3 is installed, in the embodiment of the present invention, referring to fig. 1 and 8, the first supporting component 31 is connected with the bracket 2 through the connecting component 4; the connecting member 4 is provided with a waist-shaped hole 41 arranged obliquely, and the first supporting member 31 is connected with the connecting member 4 through the waist-shaped hole 41.

In the above embodiment, the waist-shaped holes 41 are obliquely arranged on the connecting member 4, so that the fastening positions of the fastening members in the waist-shaped holes 41 can be adjusted, even if there is an installation error, the normal installation of the supporting component 3 between the base 1 and the bracket 2 can be ensured, and the supporting effect of the supporting component 3 on the bracket 2 can be ensured.

In the embodiment of the present invention, the first supporting member 31 and the second supporting member 32 can be both rod structures, so as to facilitate the folding and unfolding of the supporting component 3. The rod body structure can be a round rod or a square rod and the like.

The utility model discloses the implementation still provides a three-dimensional printer, and it includes base 1, is connected with support 2 on the base 1, and this three-dimensional printer still includes aforementioned supporting component 3.

The embodiment of the utility model provides a three-dimensional printer, which comprises a supporting component 3, wherein the supporting component 3 is arranged to comprise a plurality of supporting pieces which are sequentially connected in a rotating way; the adjacent supporting pieces can relatively rotate to be in a folded state or an unfolded state, so that when the three-dimensional printer needs to be installed, the supporting component 3 can be rotated to be in the unfolded state and is installed between the support 2 and the base 1 of the three-dimensional printer, the support component 3 supports the support 2, the triangular structure is stabilized, vibration generated between the support and the base is reduced, and the printing quality of the three-dimensional printer using the supporting component 3 is improved; when the package is needed, one end or the whole of the supporting component 3 can be detached from the space between the bracket 2 and the base 1, and then the first supporting piece 31 and the second supporting piece 32 are rotated to the folded state, so that the length of the supporting component 3 is shortened, and the supporting component 3 can be conveniently stored and packaged.

The embodiment of the utility model provides a supporting component 3, which is applied to a three-dimensional printer, the three-dimensional printer comprises a base 1, a bracket 2 is connected on the base 1, and the supporting component 3 comprises a plurality of supporting pieces which are sequentially connected in a rotating way; the adjacent supporting pieces can relatively rotate to a folded state or an unfolded state; in the unfolded state, the support member at one end of the support assembly is connected with the bracket 2, and the support member at the other end of the support assembly is connected with the base 1. The support assembly 3 comprises a first support 31 and a second support 32 which are rotatably connected, and the first support 31 and the second support 32 can relatively rotate to a folded state or an unfolded state; in the unfolded state, one of the first support 31 and the second support 32 is connected to the stand 2, and the other of the first support 31 and the second support 32 is connected to the base 1. The supporting assembly 3 further includes a limiting member 33, and the limiting member 33 is connected to the first supporting member 31 and/or the second supporting member 32, so as to enable the first supporting member 31 and the second supporting member 32 to be in the unfolded state. The first supporting member 31 is provided with a mounting hole 331; the second supporting member 32 is provided with a limiting hole 332; the limiting member 33 comprises a limiting body 333 and a limiting head 334 which are connected, the limiting body 333 is connected in the mounting hole 331, and the limiting head 334 can extend out of or retract into the mounting hole 331; in the unfolded state, the limiting hole 332 is opposite to the mounting hole 331, and the limiting head 334 extends out of the mounting hole 331 and is inserted in the limiting hole 332; when the extended state is switched to the folded state, the stopper 334 is retracted into the mounting hole 331 and separated from the stopper hole 332. The position-limiting member 33 further includes an elastic member, the position-limiting head 334 is connected to the position-limiting body 333 through the elastic member, and the position-limiting head 334 can extend out of the installation hole 331 under the elastic force of the elastic member or retract into the installation hole 331 against the elastic force of the elastic member. The support assembly 3 further comprises a guide 34, the guide 34 being connected to the second support 32; the guide 34 is configured to contact the stopper 334 and retract the stopper 334 into the mounting hole 331 when the folded state is switched to the unfolded state, and the guide 34 is disengaged from the stopper 334 to extend the stopper 334 out of the mounting hole 331 and be inserted into the stopper hole 332 until the unfolded state. The guide member 34 includes a guide surface 341, the guide surface 341 is adjacent to the position-limiting hole 332, and is obliquely extended in a direction away from the first support member 31 based on a side of the second support member 32, and the guide surface 341 is configured to abut against the position-limiting head 334. The limiting part 33 comprises an anti-loosening screw, the anti-loosening screw comprises a body and a screw part which are connected, the body forms a limiting body 333, and the screw part forms a limiting head 334; the limiting hole 332 is a threaded hole matched with the screw rod part. The first support member 31 is connected with the bracket 2 through the connecting member 4; the connecting member 4 is provided with a waist-shaped hole 41 which is obliquely arranged, and the first supporting member 31 is connected with the connecting member 4 through the waist-shaped hole 41. The first supporting piece 31 is connected to the top end of the bracket 2, the second supporting piece 32 is connected to the end part of the base 1, and the supporting component 3 is obliquely arranged; the first support 31 and the second support 32 are rod structures.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. The supporting assembly is characterized by being applied to a three-dimensional printer, the three-dimensional printer comprises a base (1), a support (2) is connected to the base (1), and the supporting assembly comprises a plurality of supporting pieces which are sequentially connected in a rotating manner; the adjacent supporting pieces can relatively rotate to a folded state or an unfolded state;

in the unfolded state, a supporting piece at one end of the supporting component is connected with the bracket (2), and a supporting piece at the other end of the supporting component is connected with the base (1).

2. The support assembly according to claim 1, characterized in that it comprises a first support (31) and a second support (32) rotatably connected, said first (31) and second (32) supports being relatively rotatable to a folded condition or to an unfolded condition;

in the unfolded state, one of the first support (31) and the second support (32) is connected with the bracket (2), and the other of the first support (31) and the second support (32) is connected with the base (1).

3. The support assembly of claim 2,

the supporting component further comprises a limiting piece (33), wherein the limiting piece (33) is connected with the first supporting piece (31) and/or the second supporting piece (32) and is used for enabling the first supporting piece (31) and the second supporting piece (32) to be in the unfolding state.

4. The support assembly of claim 3,

the first supporting piece (31) is provided with a mounting hole (331); a limit hole (332) is formed in the second support piece (32);

the limiting part (33) comprises a limiting body (333) and a limiting head (334) which are connected, the limiting body (333) is connected into the mounting hole (331), and the limiting head (334) can extend out of or retract into the mounting hole (331);

in the unfolded state, the limiting hole (332) is opposite to the mounting hole (331), and the limiting head (334) extends out of the mounting hole (331) and is inserted into the limiting hole (332); when the unfolding state is switched to the folding state, the limiting head (334) retracts into the mounting hole (331) and is separated from the limiting hole (332).

5. The support assembly of claim 4,

the limiting part (33) further comprises an elastic part, the limiting head (334) is connected with the limiting body (333) through the elastic part, and the limiting head (334) can extend out of the mounting hole (331) under the elastic action of the elastic part or retract into the mounting hole (331) by overcoming the elastic force of the elastic part.

6. The support assembly of claim 5,

the support assembly further comprises a guide (34), the guide (34) being connected to the second support (32);

the guide piece (34) is used for being abutted to the limiting head (334) and enabling the limiting head (334) to retract into the mounting hole (331) when the folded state is switched to the unfolded state, and the guide piece (34) is separated from the limiting head (334) so that the limiting head (334) extends out of the mounting hole (331) and is inserted into the limiting hole (332) until the unfolded state is reached.

7. The support assembly of claim 6,

the guide piece (34) comprises a guide surface (341), the guide surface (341) is adjacent to the limiting hole (332), and is obliquely extended in the direction away from the first support piece (31) based on one side of the second support piece (32), and the guide surface (341) is used for abutting against the limiting head (334).

8. The support assembly of claim 4,

the limiting piece (33) comprises an anti-loosening screw, the anti-loosening screw comprises a body and a screw part which are connected, the body forms the limiting body (333), and the screw part forms the limiting head (334);

the limiting hole (332) is a threaded hole matched with the screw rod part.

9. The support assembly of claim 2,

the first supporting piece (31) is connected with the bracket (2) through a connecting piece (4);

the connecting piece (4) is provided with a waist-shaped hole (41) which is obliquely arranged, and the first supporting piece (31) is connected with the connecting piece through the waist-shaped hole (41);

the first supporting piece (31) is connected to the top end of the bracket (2), the second supporting piece (32) is connected to the end part of the base (1), and the supporting component is obliquely arranged;

the first supporting piece (31) and the second supporting piece (32) are both rod body structures.

10. Three-dimensional printer, characterized in that it comprises a base (1), to which base (1) a support (2) is connected, and a support assembly according to any one of claims 1 to 9.

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