CN218219518U - Connecting device of table - Google Patents
Connecting device of table Download PDFInfo
- Publication number
- CN218219518U CN218219518U CN202221847627.7U CN202221847627U CN218219518U CN 218219518 U CN218219518 U CN 218219518U CN 202221847627 U CN202221847627 U CN 202221847627U CN 218219518 U CN218219518 U CN 218219518U
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- pull rod
- sleeve
- connecting shaft
- cam
- table frame
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Abstract
The utility model discloses a connecting device of desk relates to field of furniture for the releasable connection of table frame and desktop board, connecting device includes pull rod, cam piece and sleeve, the sleeve is located the mounting hole of desktop board and quilt the table frame supports, the one end of pull rod is equipped with when it takes place axial displacement to the outside extruded extrusion portion of sleeve, and the other end and the cam piece of pull rod rotate to be connected, the rotatory pull rod axial displacement that drives of cam piece. The utility model provides a connecting device of desk realizes the quick installation between desktop board and the table frame, improves the installation effectiveness.
Description
Technical Field
The utility model belongs to the technical field of furniture and specifically relates to a connecting device of desk is related to.
Background
In the prior art, the desktop plate and the desk frame of the desk are mostly connected by screws, a plurality of screws need to be screwed down in the installation process, and special tools are needed for operation, so that the problems of long installation time and trouble installation exist.
SUMMERY OF THE UTILITY MODEL
The utility model provides a overcome not enough among the prior art, provide a connecting device of desk, realize the quick installation between desktop board and the table frame, improve the installation effectiveness.
In order to realize the purpose, the utility model adopts the following technical scheme:
a connecting device of a table is used for detachably connecting a table frame and a table top plate and comprises a pull rod, a cam component and a sleeve, wherein the sleeve is positioned in an installation hole of the table top plate and is supported by the table frame, one end of the pull rod is provided with an extrusion part which extrudes the sleeve outwards when the sleeve generates axial displacement, the other end of the pull rod is rotatably connected with the cam component, and the rotation of the cam component drives the pull rod to axially displace.
Above-mentioned technical scheme can realize the quick installation between desktop board and the table frame, has improved the installation effectiveness, and the structure after the installation is relatively stable, and can be as required through dismantling desktop board and table frame fast.
Preferably, the lower end surface of the sleeve abuts against the table frame so that the pull rod can axially move relative to the sleeve when axially displacing. The structure can ensure that the sleeve is always positioned in the mounting hole of the table top plate.
Preferably, the extrusion part is of a conical structure, a conical hole matched with the conical structure is formed in the sleeve, the end, with the smaller size, of the conical structure faces the table frame, and the conical structure is of a conical structure, a square conical structure or an inclined plane structure. Through the design of the conical structure, when the extrusion part moves downwards, the extrusion part extrudes the sleeve and outwards expands the sleeve, and the sleeve and the mounting hole on the table top plate form interference fit and are fixed in the mounting hole.
Preferably, the cam piece is rotatably connected with the pull rod through a connecting shaft, the pull rod is provided with a through hole, and the connecting shaft penetrates through the through hole; or the cam piece is rotatably connected with the pull rod through a connecting shaft, an opening inclined groove with an opening end facing one side of the table top plate is formed in the pull rod, and part of the structure of the connecting shaft is arranged in the opening inclined groove. The scheme can realize the detachable connection of the cam piece and the pull rod, is convenient for split transportation during transportation, and can be installed on site during installation.
Preferably, the cam piece is rotatably connected with the pull rod through a connecting shaft, and the connecting shaft and the cam piece are of an integrally formed structure; or the cam piece is rotationally connected with the pull rod through a connecting shaft, and the connecting shaft is fixedly connected with the cam piece; or the cam piece is rotationally connected with the pull rod through a connecting shaft, and the connecting shaft is rotationally connected with the cam piece. According to the scheme, different connection modes of the connecting shaft and the cam piece can be selected according to actual requirements, and the action requirement of the cam piece relative to the pull rod is met.
Preferably, the connecting means further comprises a handle connected to the cam member. The handle can facilitate the rotating operation of the cam member.
Preferably, the cam member comprises two cams connected to each other, and the handle rotates at least one of the cams. The two cams can form left and right supports, so that the structure is more stable.
Preferably, two cams are connected to the two ends of the handle respectively, the two cams are located on the outer side of the table frame, and an avoidance groove for avoiding the handle is formed in the table frame. The size in the height direction can be reduced to the structure, so that the handle is positioned on the side face of the table frame, the overall structure is more attractive, and the avoidance groove is used for avoiding the handle.
Preferably, the table frame is provided with a cavity, and the cam member and the handle are at least partially hidden in the cavity. The structure can reduce the size in the height direction, so that the whole structure is more attractive, and the touch is not easy to miss.
Preferably, the pull rod penetrates through a table frame, and the cam piece and the handle are arranged outside the table frame and below the table frame. The structure in the scheme is simple, and the processing and the assembly are more convenient.
Drawings
Fig. 1 is a first cross-sectional view of the present invention;
fig. 2 is a first schematic structural diagram of the connecting device of the present invention;
FIG. 3 is a second schematic structural view of the connecting device of the present invention;
fig. 4 is a cross-sectional view of a connection device of the present invention;
fig. 5 is a second cross-sectional view of the present invention;
fig. 6 is a schematic structural diagram of the present invention.
In the figure: the table comprises a pull rod 1, an extrusion part 1.1, a through hole 1.2, an open chute 1.3, a cam member 2, a sleeve 3, an anti-skid protrusion 3.1, an open slot 3.2, a connecting shaft 4, a handle 5, a connecting piece 6, a connecting device 10, a table frame 20, an avoiding slot 21, a table top plate 30 and a mounting hole 31.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "clockwise," "counterclockwise," and the like are used in the orientation or positional relationship indicated in the drawings for convenience and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting.
Example 1:
as shown in fig. 1 and 2, a connecting device of a table for detachably connecting a table frame 20 and a table top 30, the connecting device 10 includes a pull rod 1, a cam member 2 and a sleeve 3, the sleeve 3 is located in a mounting hole 31 of the table top 30 and is supported by the table frame 20, one end of the pull rod 1 is provided with a pressing portion 1.1 for pressing the sleeve 3 outwards when the pull rod is axially displaced, the other end of the pull rod 1 is rotatably connected with the cam member 2, and rotation of the cam member 2 drives the pull rod 1 to axially displace.
In the above technical solution, the table frame 20 includes a supporting surface disposed between the cam member 2 and the sleeve 3 and contacting with the cam member 2, the cam member 2 is provided with a structure facilitating its rotation under an external force, for example, an inner hexagonal counter bore or an outer hexagonal head is disposed on an end surface of the cam member 2, so as to facilitate the rotation of the cam member 2 by a wrench, and for another example, a handle 5 is fixed on the cam member 2, and the cam member 2 is rotated along the rotation axis by pulling the handle 5. When the cam member 2 rotates, the rotating shaft of the cam member 2 moves downward along the axis of the pull rod 1 relative to the supporting surface, the sleeve 3 is supported by the table frame 20 and cannot move downward, at this time, the extrusion part 1.1 on the pull rod 1 extrudes the sleeve 3 outwards, so that the sleeve 3 expands outwards to form interference fit with the mounting hole 31 on the table top plate 30, the sleeve 3 is fixed in the mounting hole 31, and the table frame 20 is pressed on the table top plate 30 by the cam member 2. When the table top board 30 and the table frame 20 need to be disassembled, the cam piece 2 is rotated reversely, the extrusion effect of the extrusion part 1.1 on the sleeve 3 is eliminated, and the sleeve 3 retracts, so that the table top board 30 and the table frame 20 can be disassembled quickly. Above-mentioned technical scheme can realize the quick installation between desktop 30 and the table frame 20, has improved the installation effectiveness, and the structure after the installation is relatively stable, and can be as required through dismantling desktop 30 and table frame 20 fast.
As shown in fig. 1 and 2, the lower end surface of the sleeve 3 abuts against the table frame 20 so that the pull rod 1 can move axially relative to the sleeve 3 when moving axially, the side wall of the sleeve 3 is provided with a plurality of open slots 3.2 for making the sleeve 3 expand outward more easily, the outer side wall of the sleeve 3 is provided with a plurality of anti-slip protrusions 3.1 for increasing the friction force between the sleeve 3 and the table top plate 30, the anti-slip protrusions 3.1 are of an annular structure, and the plurality of anti-slip protrusions 3.1 are arranged axially along the sleeve 3. When the table frame 20 and the table top plate 30 are installed, the upper end face of the table frame 20 is tightly attached to the lower end face of the table top plate 30, the lower end face of the sleeve 3 is tightly abutted to the table frame 20, the sleeve 3 can be guaranteed to be always located in the installation hole 31 of the table top plate 30, and when the sleeve 3 is spread, stable interference fit can be formed between the sleeve 3 and the installation hole 31. The anti-slip protrusions 3.1 may increase the strength of the connection between the sleeve 3 and the mounting hole 31.
As shown in fig. 1 and 2, the cam member 2 is rotatably connected to the pull rod 1 via a connecting shaft 4, and the connecting device 10 further includes a handle 5 connected to the cam member 2. The handle 5 is directly fixed with the cam member 2, and the handle 5 can facilitate the rotating operation of the cam member 2.
In one embodiment, as shown in fig. 1 and 2, the cam member 2 is an eccentric wheel eccentrically disposed with respect to the connecting shaft 4. The eccentric wheel, which is arranged eccentrically, can change the position of the connecting shaft 4 when the cam part 2 rotates, so that the pull rod 1 is driven to move axially.
In one embodiment, as shown in fig. 2 and 3, the pressing portion 1.1 is a conical structure, and the sleeve 3 is provided with a conical hole matched with the conical structure, and the smaller end of the conical structure faces the table frame 20. The extruding part 1.1 can be a conical structure, a square conical structure or an inclined plane structure, and as long as the size of the upper end of the extruding part 1.1 is larger than that of the lower end, when the extruding part 1.1 moves downwards, the sleeve 3 can be expanded outwards through extrusion. Through the design of the conical structure, when the extrusion part 1.1 moves downwards, the extrusion part 1.1 extrudes the sleeve 3 and expands the sleeve 3 outwards, and the sleeve 3 and the mounting hole 31 on the table top plate 30 form interference fit and are fixed in the mounting hole 31.
Example 2:
as shown in fig. 4, in one embodiment, a through hole 1.2 is formed on the pull rod 1, and the connecting shaft 4 is disposed to penetrate through the through hole 1.2. The connecting shaft 4 is rotatably connected with the pull rod 1, and the connecting shaft 4 is fixedly connected with the cam piece 2. In the scheme, the connecting shaft 4 can penetrate through the through hole 1.2 and then the connecting shaft 4 is connected with the cam piece 2, so that the cam piece 2 and the pull rod 1 can be detachably connected, the split transportation during transportation is facilitated, and the split type pull rod can be installed on site during installation.
In another embodiment, as shown in fig. 3, the pull rod 1 is provided with an open inclined groove 1.3 with an open end facing the table top 30, and a part of the connecting shaft 4 is disposed in the open inclined groove 1.3. The connecting shaft 4 is rotatably connected with the pull rod 1, and the connecting shaft 4 and the cam piece 2 are of an integrally formed structure. In the scheme, the connecting shaft 4 is connected with the cam piece 2, the connecting shaft 4 can be quickly clamped into the open inclined groove 1.3 through the opening of the open inclined groove 1.3, the cam piece 2 and the pull rod 1 can be quickly detachably connected, the split transportation is convenient to transport, and the split type connecting device can be installed on site during installation.
In another embodiment, as shown in fig. 2, the pull rod 1 is screwed to the connecting shaft 4, and the connecting shaft 4 is rotatably connected to the cam element 2. In the scheme, the connecting shaft 4 is assembled with the cam piece 2, and then the connecting shaft 4 is in threaded connection with the pull rod 1, so that the cam piece 2 and the pull rod 1 can be detachably connected, the split transportation during transportation is convenient, and the split transportation is realized during installation and the split transportation is carried out on site.
Other structures not disclosed in embodiment 2 refer to embodiment 1.
Example 3:
in one embodiment, as shown in fig. 5, the table frame 20 is provided with a cavity, the handle 5 and the cam member 2 are at least partially hidden in the cavity, and the lower end of the cavity is open. The structure can ensure that the handle 5 and the cam piece 2 are positioned in the cavity, the desk frame 20 cannot protrude after the installation is finished, the size in the height direction is reduced, the integral structure is more attractive, and the false touch is not easy to occur.
As shown in fig. 6, in another embodiment, the cam member 2 includes two cams connected to each other, the two cam members 2 are respectively connected to two ends of the connecting shaft 4, the handle 5 and the two cams are located outside the table frame 20, one end of the pull rod 1 connected to the cam member 2 is disposed in the table frame 20, the two cams and the pull rod 1 are rotatably connected to each other through the connecting shaft 4 transversely passing through the table frame 20, the handle 5 is on a side surface of the table frame 20, the handle 5 is of a U-shaped structure, the two cams are respectively connected to two ends of the handle 5, and the table frame 20 is provided with an avoiding groove 21 for avoiding the handle 5. The structure can reduce the size in the height direction, so that the handle 5 is positioned on the side surface of the table frame 20, and the integral structure is more attractive. The two cams can form left and right supports, so that the structure is more stable.
In another embodiment, as shown in fig. 1, the pull rod 1 penetrates through the table frame 20, and the cam member 2 and the handle 3 are disposed outside the table frame 20 and below the table frame 20. The structure in the scheme is simple, and the processing and the assembly are more convenient.
Claims (10)
1. A connecting device of a table is used for detachably connecting a table frame and a table top plate and is characterized in that the connecting device comprises a pull rod, a cam component and a sleeve, the sleeve is located in an installation hole of the table top plate and is supported by the table frame, one end of the pull rod is provided with an extrusion part which extrudes the sleeve outwards when the sleeve generates axial displacement, the other end of the pull rod is rotatably connected with the cam component, and the rotation of the cam component drives the pull rod to axially displace.
2. A table connecting device as claimed in claim 1 wherein the lower end of the sleeve abuts against the table support to allow the pull rod to move axially relative to the sleeve when the pull rod is displaced axially.
3. The connecting device for tables as claimed in claim 1, wherein the pressing part is a cone-shaped structure, the sleeve is provided with a cone-shaped hole matching with the cone-shaped structure, the smaller end of the cone-shaped structure faces the table frame, and the cone-shaped structure is a cone-shaped structure, a square cone-shaped structure or a slope structure.
4. The connecting device for the table as claimed in claim 1, wherein the cam member is rotatably connected with the pull rod through a connecting shaft, the pull rod is provided with a through hole, and the connecting shaft passes through the through hole; or the cam piece is rotatably connected with the pull rod through a connecting shaft, an opening inclined groove is formed in the pull rod, and part of the structure of the connecting shaft is arranged in the opening inclined groove.
5. The connecting device for the table as claimed in claim 1, wherein the cam member is rotatably connected with the pull rod through a connecting shaft, and the connecting shaft and the cam member are of an integrally formed structure; or the cam piece is rotationally connected with the pull rod through a connecting shaft, and the connecting shaft is fixedly connected with the cam piece; or the cam piece is rotationally connected with the pull rod through a connecting shaft, and the connecting shaft is rotationally connected with the cam piece.
6. A desk attachment as claimed in any one of claims 1 to 5 wherein the attachment means further includes a handle connected to the cam member.
7. A desk connector as claimed in claim 6 wherein said cam means comprises two cams connected to one another and said handle rotates at least one of said cams.
8. The connecting device for tables as claimed in claim 7, wherein two cams are connected to two ends of the handle respectively, the two cams are located outside the table frame, and the table frame is provided with an avoiding groove for avoiding the handle.
9. A connecting means for a table as claimed in claim 6 wherein the table frame is provided with a cavity and the cam member and handle are at least partially concealed within the cavity.
10. A table connecting device as claimed in claim 6 wherein the tie bar extends through the table frame and the cam member and handle are located outside and below the table frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221847627.7U CN218219518U (en) | 2022-07-14 | 2022-07-14 | Connecting device of table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221847627.7U CN218219518U (en) | 2022-07-14 | 2022-07-14 | Connecting device of table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218219518U true CN218219518U (en) | 2023-01-06 |
Family
ID=84676284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221847627.7U Active CN218219518U (en) | 2022-07-14 | 2022-07-14 | Connecting device of table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218219518U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115805250A (en) * | 2023-01-29 | 2023-03-17 | 成都宏明电子股份有限公司 | Efficient bending tool for one-step forming of leading-out end of filter array plate |
-
2022
- 2022-07-14 CN CN202221847627.7U patent/CN218219518U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115805250A (en) * | 2023-01-29 | 2023-03-17 | 成都宏明电子股份有限公司 | Efficient bending tool for one-step forming of leading-out end of filter array plate |
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