Movable splicing table plate structure and drawing extension table

Abstract

According to the movable splicing table plate structure, the first through holes and the movable plug pin structures matched with the first through holes are formed in the splicing plates, the pin holes matched with the movable plug pin structures are formed in the fixed plates, and the fixed pins matched with the movable plug pin structures are arranged on the movable plates, so that the table plates can be quickly spliced together, and the flatness and the strength of the spliced table plates are guaranteed; therefore, the use experience of the table board is improved; the utility model further provides a drawing extension table, different splicing states of the table plates can be rapidly achieved by means of the movable splicing table plate structure, the size of the table top is adjusted, various use scenes are considered, practicability and applicability are higher, the flatness of the table top can be effectively guaranteed, and use experience is improved. The utility model provides a movable splicing table board structure and a drawing extension table. The technical problem that the flatness of the splicing position of a plurality of table boards of an existing drawing table is poor, and the use experience of the drawing table is affected is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a latch technology field especially is involved in a movable splicing table board structure and pull out expansion table. BACKGROUND

[0002] In order to adapt to the demand of limited space small household room, the household manufacturing industry starts to explore the table with new function, such as pull out table, can be through the form of expansion and hidden table board by pulling out, thereby making the desktop can adjust size according to the need, both save space and facilitate use.But the pull out table is in the use state, usually splices multiple table boards, and the flatness and strength of the splicing place are limited, so that the pull out table is easy to shake, influence the use experience of pull out table. UTILITY MODEL CONTENT

[0003] In view of the above-mentioned defects of prior art, the utility model provides a movable splicing table board structure and pull out expansion table for solving the technical problem that the flatness of the splicing place of multiple table boards of the existing pull out table affects the use experience of pull out table.

[0004] To achieve the above object, the first aspect of the utility model provides a movable splicing table board structure;The movable splicing table board structure includes: fixed plate, the fixed plate is provided with pin hole;Splicing board, the splicing board is provided with first through hole and movable latch structure;Wherein, the movable latch structure includes: the pin hole is matched with the latch shaft;The latch shaft is movably arranged in the first through hole;Movable plate, the movable plate is provided with the fixed pin matched with the pin hole and the first through hole;Wherein, the fixed pin is inserted into the pin hole to complete the splicing of the fixed plate and the movable plate;The fixed pin is inserted into the first through hole, and the fixed pin ejects the latch shaft and is inserted into the pin hole, and the splicing of the fixed plate, the splicing board and the movable plate is completed.

[0005] In some embodiments of the utility model, the movable latch structure further includes: elastic piece, the elastic piece is sleeved on the latch shaft, and is fixed on the splicing board in a telescopic mode;The elastic piece is in the natural state, and the latch shaft (221) is arranged in the first through hole.

[0006] In some embodiments of the utility model, the movable bolt structure further includes: a first limiting part, which is arranged at one end of the splicing plate and fixedly connected with the splicing plate; a second limiting part, which is arranged on the bolt shaft and fixedly connected with the bolt shaft; the elastic piece is arranged between the first limiting part and the second limiting part; wherein the fixed pin is inserted into the first through hole, the fixed pin ejects the bolt shaft and is inserted into the pin hole, and the second limiting part extrudes the elastic piece; the fixed pin exits the first through hole, the elastic piece provides a restoring force to make the second limiting part drive the bolt shaft to retreat into the first through hole, and the disassembly of the fixed plate, the splicing plate and the movable plate is completed.

[0007] In some embodiments of the utility model, the first limiting part is L-shaped; wherein the side surface of the first limiting part is provided with a second through hole communicated with the first through hole, the second through hole is matched with the bolt shaft; the bottom surface of the first limiting part is provided with one or more threaded holes, and the first limiting part and the splicing plate are fixedly connected through one or more matched screws inserted into the corresponding threaded holes.

[0008] In some embodiments of the utility model, the second limiting part is hollow and cylindrical, is sleeved on the bolt shaft, and is provided with one or more third through holes; the bolt shaft is also provided with one or more fourth through holes matched with the third through holes; the second limiting part and the bolt shaft are fixedly connected through one or more matched bolt pieces inserted into the corresponding third through holes and fourth through holes.

[0009] In some embodiments of the utility model, the movable bolt structure further includes: a third limiting part, which is arranged at the other end of the splicing plate and fixedly connected with the splicing plate; a fourth limiting part, which is arranged on the bolt shaft and fixedly connected with the bolt shaft, and abuts against the third limiting part.

[0010] In some embodiments of the utility model, the third limiting part is L-shaped; wherein the side surface of the third limiting part is provided with a fifth through hole communicated with the first through hole, the fifth through hole is matched with the bolt shaft and the fixed pin; the bottom surface of the third limiting part is provided with one or more threaded holes, and the third limiting part and the splicing plate are fixedly connected through one or more matched screws inserted into the corresponding threaded holes.

[0011] In some embodiments of the utility model, the fourth limiting part is hollow and cylindrical, is sleeved on the bolt shaft, and is provided with one or more sixth through holes; the bolt shaft is also provided with one or more seventh through holes matched with the sixth through holes; the fourth limiting part and the bolt shaft are fixedly connected through one or more matched bolt pieces inserted into the corresponding sixth through holes and seventh through holes.

[0012] To achieve the above object, the second aspect of the utility model provides a pull-out expansion table, the pull-out expansion table comprises the movable splicing table plate structure provided by each embodiment.

[0013] In some embodiments of the utility model, the pull-out expansion table further comprises: a table frame structure comprising a fixed table frame and a movable table frame, wherein the fixed table frame is fixedly connected with the fixed plate, and the movable table frame is fixedly connected with the movable plate; one or more sliding rails are arranged on the fixed table frame, and one or more sliding grooves matched with the sliding rails are arranged on the movable table frame; the movable table frame and the movable plate can move horizontally relative to the fixed table frame and the fixed plate through the sliding rails and the sliding grooves; a table leg structure comprising a fixed table leg and a movable table leg for supporting the table frame structure and the movable splicing table plate structure, wherein the fixed table leg is fixedly connected with the fixed plate and the fixed table frame, and the movable table leg is fixedly connected with the movable plate and the movable table frame.

[0014] As described above, the utility model has the following beneficial effects: the utility model provides a movable splicing table plate structure, by setting the first through hole and the matched movable bolt structure in the splicing plate, setting the matched pin hole in the fixed plate, and setting the matched fixed pin in the movable plate, the table plates can be quickly spliced together, and the flatness and strength of the spliced table plate are ensured, so that the use experience of the table plate is improved; the utility model further provides a pull-out expansion table, by using the movable splicing table plate structure, different splicing states of the table plates can be quickly realized, so that the table top size is adjusted, various use scenes are considered, the practicality and applicability are stronger, the flatness of the table top can be effectively ensured, and the use experience is improved; the utility model provides a movable splicing table plate structure and a pull-out expansion table, and solves the technical problem that the poor flatness of the splicing part of the multiple table plates of the existing pull-out table affects the use experience of the pull-out table. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The structure schematic view of the movable splicing table plate structure in an embodiment of the utility model is shown.

[0016] Figure 2 The enlarged schematic view of part A of the movable splicing table plate structure in an embodiment of the utility model is shown.

[0017] Figure 3 The enlarged schematic view of part B of the movable splicing table plate structure in an embodiment of the utility model is shown.

[0018] Figure 4 The structure schematic view of the first limiting part and the third limiting part in an embodiment of the utility model is shown.

[0019] Figure 5 A structure schematic diagram of the pull-out extension table is shown.

[0020] Figure 6 A schematic diagram of the first splicing state of each table board of the pull-out extension table is shown.

[0021] Figure 7 A schematic diagram of the second splicing state of each table board of the pull-out extension table is shown.

[0022] Figure 8 A schematic diagram of the third splicing state of each table board of the pull-out extension table is shown.

[0023] Element number explanation

[0024] 1 fixed plate

[0025] 11 pin hole

[0026] 2 splicing plate

[0027] 21 first through hole

[0028] 22 movable bolt structure

[0029] 221 bolt shaft

[0030] 222 first limiting part

[0031] 223 second limiting part

[0032] 224 elastic member

[0033] 225 third limiting part

[0034] 226 fourth limiting part

[0035] 23 first splicing plate

[0036] 24 second splicing plate

[0037] 3 movable plate

[0038] 31 fixed pin

[0039] 4 frame structure

[0040] 41 fixed table frame

[0041] 42 movable table frame

[0042] 5 table leg structure

[0043] 51 fixed table leg

[0044] 52 movable table leg DETAILED DESCRIPTION

[0045] The following detailed description of the application is made with reference to the accompanying drawings, in which specific embodiments of the application are shown. Other advantages and features of the present application will be apparent from this description and the drawings, and from the claims.

[0046] It is to be understood that the structure, proportions, elements, materials and / or appearances of the devices illustrated and hereinafter described are exemplary manifestations of the present application only. The actual details of construction and / or design of the application can depart from the specific examples shown herein. It is therefore contemplated to cover by the present application any and all modifications, variations, combinations or equivalents that fall within the scope of the present application. It is intended that the scope of the present application shall be limited only to the extent of the claims and the equivalents thereof. Spatially relative terms such as "upper", "lower", "left", "right", "front", "back", "rear", "front", "under", "below", "above", "on", "side" and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. For example, if the device described is turned over, elements described as "above" other elements or features would then be oriented "below" other elements or features. Similarly, if the device is turned over, elements described as "below" other elements or features would then be oriented "above" other elements or features. Accordingly, the illustrative term "above" can encompass both an orientation of above and below. The device can be oriented in any direction and terms such as "above" can be understood accordingly.

[0047] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing", "holding" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0048] Furthermore, as used in this document, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises", "comprising", "includes" and / or "including" specify the presence of stated features, operations, elements, components, items, and / or groups but do not preclude the presence or addition of one or more other features, operations, elements, components, items, and / or groups thereof. As used herein, the terms "or" and "and / or" are to be interpreted as inclusive, i.e., as meaning one or more of the listed items is present. Therefore, "A, B, or C" or "A, B, and / or C" means "any of the following: A; B; C; A and B; A and C; B and C; A, B, and C". An exception to this definition will occur only when a combination of elements, functions, or operations are in some way inherently mutually exclusive.

[0049] To solve the problems in the above background art, the utility model provides a movable splicing table plate structure and pull-out expansion table, aims at solving the technical problem that the flatness of the plurality of table plate splicing places of the existing pull-out table affects the use experience of the pull-out table, through the movable bolt structure of the splicing plate, not only can the flatness after the splicing of each table plate be calibrated, but also can the splicing strength be guaranteed.

[0050] Meanwhile, in order to make the purpose, technical scheme and advantages of the utility model more clearly and clearly, through the following examples and combining with the drawings, the further detailed description of the technical scheme in the utility model example is made.It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0051] As Figure 1 shown, the utility model provides a movable splicing table plate structure.In the embodiment, the movable splicing table plate structure includes: fixed plate 1, movable plate 3 and splicing plate 3.

[0052] Specifically, as Figure 2 shown, the enlarged schematic diagram of A splicing place in the movable splicing table plate structure is shown.

[0053] The fixed plate 1 is provided with pin hole 11.The splicing plate 2 is provided with first through hole 21 and movable bolt structure 22.Wherein, the movable bolt structure 22 includes: bolt shaft 221 matched with the pin hole 11;The bolt shaft 221 is movably arranged in the first through hole 21, and the bolt shaft 221 is consistent with the depth of the first through hole 21.

[0054] As Figure 3 shown, the enlarged schematic diagram of B splicing place in the movable splicing table plate structure is shown.

[0055] The movable plate 3 is provided with fixed pin 31 matched with the pin hole 11 and the first through hole 21.

[0056] In the embodiment, if the splicing of the fixed plate 1 and the movable plate 2 is completed, the fixed pin 31 is inserted into the pin hole 11;If the splicing of the fixed plate 1, the splicing plate 2 and the movable plate 2 is completed, the fixed pin 31 is inserted into the first through hole 21, and the fixed pin 31 ejects the bolt shaft 221 and is inserted into the pin hole 11.

[0057] In an embodiment, the movable splicing table board structure comprises a plurality of splicing boards 2, and the splicing boards 2 are spliced with the fixed board 1 and the movable board 3. For example, the fixed pin 31 is inserted into the first through hole 21 of the first splicing board 2, the fixed pin 31 pushes the pin shaft 221 of the first splicing board 2 and is inserted into the first through hole 21 of the second splicing board 2, and the pin shaft 221 of the second splicing board 2 is pushed and inserted into the pin hole 11.

[0058] Thus, the movable splicing table board structure is simple in structure and convenient in splicing process, and can be applied to various splicing scenes.

[0059] In an embodiment, the splicing board 2 is provided with a plurality of first through holes 21. Each first through hole 21 is provided with the movable pin structure 22. Preferably, the splicing board 2 is provided with the first through hole 21 at both ends in the width direction, and is spliced with the movable board 3, the fixed board 1 and other splicing boards 2 through the two movable pin structures 22, so as to ensure the splicing strength and make the spliced table boards more flat and stable.

[0060] In an embodiment, as shown in Figure 2 and Figure 3 The movable pin structure 22 further comprises a resilient member 224. The resilient member 224 is sleeved on the pin shaft 221 and is fixed on the splicing board 2 in an extendable manner. In a specific embodiment, the resilient member 224 comprises a compression spring.

[0061] In an embodiment, as shown in Figure 2 and Figure 3 The movable pin structure 22 further comprises a first limiting portion 222 and a second limiting portion 223.

[0062] The first limiting portion 222 is arranged at one end of the splicing board 2 and is fixedly connected with the splicing board 2. In a specific embodiment, as shown in Figure 4As shown, the first limiting part 222 is L-shaped. The side surface of the first limiting part 222 is provided with a second through hole which is in communication with the first through hole 21, and the second through hole is matched with the bolt shaft 221 so as to allow the bolt shaft 221 to pass through. The ground surface of the first limiting part 222 is provided with one or more threaded holes, and the first limiting part 222 is fixedly connected with the splicing plate 2 through one or more matched screws inserted into the corresponding threaded holes.

[0063] The second limiting part 223 is arranged on the bolt shaft 221 and is fixedly connected with the bolt shaft 221, so as to effectively limit the up-down movement of the bolt shaft 221 inside the first through hole 21. In a specific embodiment, the second limiting part 223 is hollow and cylindrical, is sleeved on the bolt shaft 221, and is provided with one or more third through holes. The bolt shaft 221 is also provided with one or more fourth through holes which are matched with the third through holes. The second limiting part 223 is fixedly connected with the bolt shaft 221 through one or more matched bolt members inserted into the corresponding third through holes and fourth through holes.

[0064] The elastic member 224 is arranged between the first limiting part 222 and the second limiting part 223, and the two ends thereof are respectively in abutment with the first limiting part 222 and the second limiting part 223. Specifically, the two ends of the compression spring are respectively in abutment with the first limiting part 222 and the second limiting part 223.

[0065] In this embodiment, when the splicing plate 2 is spliced with the fixed plate 1 and the movable plate 3, the fixed pin 31 is inserted into the first through hole 21, the fixed pin 31 pushes out the bolt shaft 221 and is inserted into the pin hole 11, and the second limiting part 223 presses the elastic member 224. If multiple splicing plates 2 are spliced, the second limiting part 223 of each splicing plate 2 presses the corresponding elastic member 224, so that each elastic member 224 is in a compressed state.

[0066] It should be noted that the elastic member 224 in this embodiment is in a compressed state when the splicing plate 2 is in a splicing position, so that when the splicing plate 2 is disassembled, the fixed pin 31 exits the first through hole 21 of the splicing plate 2, and the elastic member 224 can provide a restoring force to drive the second limiting part 223 to automatically retract the bolt shaft 221 into the first through hole 21, thereby achieving automatic disassembly, simplifying the disassembly operation, and improving the use experience of the movable splicing table plate structure. At the same time, after the bolt shaft 221 is automatically retracted into the first through hole 21, the splicing plate 2 can smoothly move up and down, so as to cooperate with the lifting structure and the pulling structure to complete the storage or unfolding of each table plate, thereby further improving the use experience of the movable splicing table plate structure.

[0067] In an embodiment, as shown in Figure 2 The movable bolt structure 22 further comprises a third limiting part 225 and a fourth limiting part 226.

[0068] The third limiting part 225 is arranged at the other end of the splicing plate 2 and is fixedly connected with the splicing plate 2. In a specific embodiment, as shown in Figure 4 The third limiting part 225 is in L shape. The side surface of the third limiting part 225 is provided with a fifth through hole which is in communication with the first through hole 21, and the fifth through hole is matched with the bolt shaft 221 and the fixed pin 31, so that the bolt shaft 221 can be accommodated and the fixed pin 31 can be inserted to push out the bolt shaft 221; the bottom surface of the third limiting part 225 is provided with one or more threaded holes, and the third limiting part 225 is fixedly connected with the splicing plate 2 through one or more matched screws inserted into the corresponding threaded holes.

[0069] The fourth limiting part 226 is arranged on the bolt shaft 221 and is fixedly connected with the bolt shaft 221, and abuts against the third limiting part 225 to limit the upward and downward movement of the bolt shaft 221 and the movement of the bolt shaft 221 towards the movable plate 3. In a specific embodiment, the fourth limiting part 226 is in a hollow cylindrical shape, is sleeved on the bolt shaft 221, and is provided with one or more sixth through holes; the bolt shaft 221 is also provided with one or more seventh through holes matched with the sixth through holes; and the fourth limiting part 226 is fixedly connected with the bolt shaft 221 through one or more matched bolt members inserted into the corresponding sixth through holes and seventh through holes.

[0070] As shown in Figure 5 The utility model provides a pull-out expansion table. In the embodiment, the pull-out expansion table comprises the movable splicing table plate structure provided in any one of the above embodiments.

[0071] In a specific embodiment, the movable splicing table plate structure comprises a fixed plate 1, a first splicing plate 23, a second splicing plate 24 and a movable plate 3. The splicing relationship between the plates comprises three types.

[0072] Specifically, as shown in Figure 6 The fixed plate 1 and the movable plate 3 are directly spliced together, and the first splicing plate 23 and the second splicing plate 24 are in a hidden state. At this time, the fixed pin of the movable plate 3 is inserted into the pin hole of the fixed plate 1.

[0073] As shown in Figure 7As shown, the fixed plate 1, the first splicing plate 23 and the movable plate 3 are spliced together, and the second splicing plate 24 is in a hidden state. At this time, the fixed pin of the movable plate 3 is inserted into the first through hole of the first splicing plate 23, the fixed pin pushes out the corresponding pin shaft and is inserted into the pin hole of the fixed plate 1.

[0074] As shown, the fixed plate 1, the first splicing plate 23, the second splicing plate 24 and the movable plate 3 are spliced together. At this time, the fixed pin of the movable plate 3 is inserted into the first through hole of the first splicing plate 23, the fixed pin pushes out the corresponding pin shaft and is inserted into the first through hole of the second splicing plate 24, thereby pushing out the pin shaft of the second splicing plate 24 and being inserted into the pin hole of the fixed plate 1. Figure 8

[0075] In this embodiment, the pull-out expansion table can quickly and automatically realize different splicing states through the movable splicing table plate structure, so as to adjust the size of the table top and realize the consideration of various use scenarios, and the practicality and applicability are stronger. Moreover, the movable splicing table plate structure can ensure the flatness and strength of the pull-out expansion table, and improve the use experience.

[0076] In an embodiment, as shown in the drawings, the pull-out expansion table further comprises a table frame structure 4 and a table leg structure 5. Figure 5

[0077] Specifically, the table frame structure 4 comprises a fixed table frame 41 and a movable table frame 42. The fixed table frame 41 is fixedly connected with the fixed plate 1, and the movable table frame 42 is fixedly connected with the movable plate 3. One or more sliding rails are arranged on the fixed table frame 41, and one or more sliding grooves matched with the sliding rails are arranged on the movable table frame 42. The movable table frame 42 and the movable plate 3 can move horizontally relative to the fixed table frame 41 and the fixed plate 1 through the sliding rails and the sliding grooves.

[0078] The table leg structure 5 comprises a fixed table leg 51 and a movable table leg 52, which are used to support the table frame structure 4 and the movable splicing table plate structure. The fixed table leg 51 is fixedly connected with the fixed plate 1 and the fixed table frame 41, and the movable table leg 52 is fixedly connected with the movable plate 3 and the movable table frame 42. Therefore, the movable table leg 52 can also move horizontally with the movable table frame 42 and the movable plate 3, and the fixed table leg 51 remains stationary with the fixed table frame 41 and the fixed plate 1.

[0079] ​​In summary, the utility model provides a kind of movable splicing table board structure, by being provided with first through hole and the matching movable bolt structure in splicing plate, and the matching pin hole is set in fixed plate, the matching fixed pin is set in movable plate, so that each table board can be quickly spliced together, and the flatness and strength of table board after splicing are guaranteed, to improve the use experience of table board;The utility model also provides a kind of pull-out expansion table, using the movable splicing table board structure, the different splicing state of each table board can be quickly realized, to adjust the size of desktop, realize the consideration of multiple use scenarios, more stronger practicality and applicability, and the flatness of desktop can be effectively guaranteed, to improve use experience;The utility model provides a kind of movable splicing table board structure and pull-out expansion table, solves the technical problem that the flatness of the splicing of multiple table boards of existing pull-out table affects the use experience of pull-out table.

[0080] The above embodiments only exemplarily illustrate the principles and effects of the utility model, and are not used to limit the utility model. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.

Claims

1. A mobile interlocking table top structure, characterized by, The utility model relates to a kind of detachable fixed plate, including: Fixed plate (1), pin hole (11) is provided on the fixed plate (1); Splicing plate (2), first through-hole (21) and movable bolt structure (22) are provided on the splicing plate (2);Wherein, the movable bolt structure (22) includes: the bolt shaft (221) is matched with the pin hole (11);The bolt shaft (221) is movably arranged in the first through-hole (21); Movable plate (3), fixed pin (31) is provided on the movable plate (3) and matched with the pin hole (11) and the first through-hole (21); Wherein, the fixed pin (31) is inserted into the pin hole (11) to complete the splicing of the fixed plate (1) and the movable plate (3);The fixed pin (31) is inserted into the first through-hole (21), the fixed pin (31) ejects the bolt shaft (221) and is inserted into the pin hole (11), completes the splicing of the fixed plate (1), the splicing plate (2) and the movable plate (3).

2. The activity splicing table structure of claim 1, wherein, The movable bolt structure (22) further includes: Elastic member (224), the elastic member (224) is sleeved on the bolt shaft (221), and is fixed on the splicing plate (2) in a telescopic manner;The elastic member (224) is in natural state, and the bolt shaft (221) is arranged in the first through-hole (21).

3. The activity splicing table structure of claim 2, wherein, The movable bolt structure (22) further includes: First limiting portion (222), is arranged at one end of the splicing plate (2), and is fixedly connected with the splicing plate (2); Second limiting portion (223), is arranged on the bolt shaft (221), and is fixedly connected with the bolt shaft (221); The elastic member (224) is arranged between the first limiting portion (222) and the second limiting portion (223); Wherein, the fixed pin (31) is inserted into the first through-hole (21), the fixed pin (31) ejects the bolt shaft (221) and is inserted into the pin hole (11), and the second limiting portion (223) extrudes the elastic member (224);The fixed pin (31) exits the first through-hole (21), and the elastic member (224) provides restoring force to make the second limiting portion (223) drive the bolt shaft (221) to retreat into the first through-hole (21), complete the disassembly of the fixed plate (1), the splicing plate (2) and the movable plate (3).

4. The activity splicing table structure of claim 3, wherein, The first limiting portion (222) is L-shaped;Wherein, the side surface of the first limiting portion (222) is provided with the second through-hole that is communicated with the first through-hole (21), and the second through-hole is matched with the bolt shaft (221);The bottom surface of the first limiting portion (222) is provided with one or more threaded holes, and the first limiting portion (222) is fixedly connected with the splicing plate (2) by one or more matched screws inserted into the corresponding threaded holes.

5. The activity splicing table structure of claim 3, wherein, The second limiting part (223) is internally hollow and cylindrical, is sleeved on the bolt shaft (221), and is provided with one or more third through holes; the bolt shaft (221) is also provided with one or more fourth through holes matched with the third through holes; and the second limiting part (223) and the bolt shaft (221) are fixedly connected through one or more matched bolt members inserted into the corresponding third through holes and fourth through holes.

6. The activity splicing table surface structure of claim 3, wherein, The movable bolt structure (22) further comprises: A third limiting part (225) is arranged at the other end of the splicing plate (2) and is fixedly connected with the splicing plate (2); A fourth limiting part (226) is arranged on the bolt shaft (221) and is fixedly connected with the bolt shaft (221) and abuts against the third limiting part (225).

7. The activity splicing table structure of claim 6, wherein, The third limiting part (225) is L-shaped; a fifth through hole is arranged on the side surface of the third limiting part (225) and communicates with the first through hole (21), the fifth through hole is matched with the bolt shaft (221) and the fixed pin (31); and one or more threaded holes are arranged on the bottom surface of the third limiting part (225), and the third limiting part (225) and the splicing plate (2) are fixedly connected through one or more matched screws inserted into the corresponding threaded holes.

8. The activity splicing table structure of claim 6, wherein, The fourth limiting part (226) is internally hollow and cylindrical, is sleeved on the bolt shaft (221), and is provided with one or more sixth through holes; the bolt shaft (221) is also provided with one or more seventh through holes matched with the sixth through holes; and the fourth limiting part (226) and the bolt shaft (221) are fixedly connected through one or more matched bolt members inserted into the corresponding sixth through holes and seventh through holes.

9. A pull-out extension table, characterized in that The movable splicing table plate structure comprises: The movable splicing table plate structure according to any one of claims 1 to 8.

10. The extension table of claim 9, wherein, Further comprising: A table frame structure (4) comprising a fixed table frame (41) and a movable table frame (42); wherein the fixed table frame (41) is fixedly connected with the fixed plate (1), and the movable table frame (42) is fixedly connected with the movable plate (3); one or more sliding rails are arranged on the fixed table frame (41), and one or more sliding grooves matched with the sliding rails are arranged on the movable table frame (42); and the movable table frame (42) and the movable plate (3) can move horizontally relative to the fixed table frame (41) and the fixed plate (1) through the sliding rails and the sliding grooves; A table leg structure (5) comprising a fixed table leg (51) and a movable table leg (52) for supporting the table frame structure (4) and the movable splicing table plate structure; wherein the fixed table leg (51) is fixedly connected with the fixed plate (1) and the fixed table frame (41), and the movable table leg (52) is fixedly connected with the movable plate (3) and the movable table frame (42).

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