CN220423402U - Desk and hidden connection structure of table foot thereof - Google Patents

Abstract

The utility model relates to the field of office tables, in particular to an office table and a hidden connecting structure of table legs of the office table. The hidden connecting structure of the desk leg comprises a cross beam and desk legs connected to two ends of the cross beam; a connecting pipe is fixedly connected to the end part of the cross beam; at least the upper end of the table leg is constructed as a hollow tube, and a positioning opening communicated with the lumen of the table leg is constructed on the side wall of the upper end of the table leg; when the cross beam is fixedly connected with the table leg, the end part of the cross beam is erected in the positioning opening, and the connecting pipe is embedded in the hollow pipe at the upper end of the table leg and fixedly connected to the inner wall of the hollow pipe at least to realize axial relative fixation. According to the scheme, the connecting pipe is hidden in the hollow pipe at the upper end of the table leg, the connecting structure of the connecting pipe and the hollow pipe and the connecting structure of the connecting pipe and the end part of the cross beam cannot be perceived through external observation, so that the effect of hiding the connecting part is achieved, and the appearance effect is better.

Description

Desk and hidden connection structure of table foot thereof

Technical Field

The utility model relates to the field of office tables, in particular to an office table and a hidden connecting structure of table legs of the office table.

Background

In the prior art, a cross beam of an office table and a desk leg below are generally connected by adopting a universal joint, the universal joint is provided with a connecting arm connected with the cross beam, screw holes are correspondingly formed in the side edge of the cross beam and the connecting arm, and screws are directly used for penetrating the screw holes, so that the universal joint and the cross beam are mutually fixed.

However, the general joint adopted in the connection mode exposes the connection part, thereby affecting the aesthetic degree.

Further, the universal joint has a special-shaped structure, and is provided with a screw hole, so that the manufacturing cost is high.

Disclosure of Invention

In order to solve the above problems, a first object of the present utility model is to provide a hidden connection structure for a table leg, in which a connection pipe is hidden in a hollow pipe at an upper end of the table leg, and the connection structure between the connection pipe and the hollow pipe and the connection structure between the connection pipe and an end of a beam are not noticeable when the connection structure is observed from outside, so as to achieve an effect of hiding a connection portion, and the appearance effect is better.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the hidden connecting structure of the desk leg comprises a cross beam and desk legs connected to two ends of the cross beam; the method is characterized in that: a connecting pipe is fixedly connected to the end part of the cross beam; at least the upper end of the table leg is constructed as a hollow tube, and a positioning opening communicated with the lumen of the table leg is constructed on the side wall of the upper end of the table leg; when the cross beam is fixedly connected with the table leg, the end part of the cross beam is erected in the positioning opening, and the connecting pipe is embedded in the hollow pipe at the upper end of the table leg and fixedly connected to the inner wall of the hollow pipe at least to realize axial relative fixation.

The utility model adopts the technical scheme, and the technical scheme relates to a hidden connecting structure of a desk leg, wherein a cross beam in the hidden connecting structure of the desk leg and the desk leg are connected in a hidden mode through a connecting pipe. In particular, the table leg in the proposal is at least provided with a hollow pipe at the upper end and a positioning opening at the side wall at the upper end; when the table leg fixing device is installed, the connecting pipe is fixedly connected to the end part of the cross beam, then the connecting pipe is sunk into the hollow pipe at the upper end of the table leg, and the connecting pipe is erected in the positioning opening through the end part of the cross beam, so that the cross beam and the table plate installed on the cross beam can be stably supported by the table leg. Finally, the connecting pipe is fixedly connected to the inner wall of the hollow pipe to at least realize axial relative fixation, so that the cross beam is connected with the table leg.

Based on the scheme, the connecting pipe is hidden and contained in the hollow pipe at the upper end of the table leg, the connecting structure of the connecting pipe and the hollow pipe and the connecting structure of the connecting pipe and the end part of the cross beam can not be perceived through external observation, so that the effect of hiding the connecting part is achieved, and the appearance effect is better.

In a further scheme, the connecting pipe is fixedly connected to the inner wall of the hollow pipe in a pipe expanding mode after being embedded in the hollow pipe at the upper end of the table leg. In the scheme, the connecting pipe is connected with the hollow pipe in a pipe expanding mode; before the pipe expansion, the pipe diameter of the connecting pipe is smaller, the connecting pipe is convenient to insert into the hollow pipe, and after the pipe expansion, the outer wall of the connecting pipe is attached to the inner wall of the hollow pipe, so that the fixedly connection is realized.

In a specific embodiment, a gap which axially penetrates through the upper end face and the lower end face of the connecting pipe is formed in the side wall of the connecting pipe, and an expansion pipe assembly is arranged in the gap of the connecting pipe; the expansion pipe assembly is used for circumferentially expanding the gap of the connecting pipe, so that the outer wall of the connecting pipe is clung to the inner wall of the hollow pipe. In this solution, the connection pipe is constructed as a non-closed-loop pipe with slits formed in the side walls thereof. After the connecting pipe is inserted into the hollow pipe, the gap is opened by the pipe expanding assembly, so that the connecting pipe has a pipe expanding effect, and the connecting pipe is fixedly connected.

In detail, the expansion pipe assembly comprises a screw rod and a nut connected to the end part of the screw rod; the middle part of the gap of the connecting pipe is constructed into a round hole capable of positioning a screw rod, the screw rod is arranged in the round hole of the gap in a penetrating way, and the screw head and the screw cap of the screw rod are constructed into conical shapes and are respectively arranged in two end parts of the round hole; when the screw rod and the screw cap are mutually screwed, the conical surfaces of the screw head and the screw cap prop open the gap. According to the scheme, before the connecting pipe is inserted into the hollow pipe, the screw rod is inserted into the round hole in the middle of the gap, and the nut is connected to the screw rod. After the connecting pipe is inserted into the hollow pipe, the screw rod is screwed by a screwdriver or a hexagonal tool bit, so that the screw rod and the screw cap are mutually screwed, and the pipe expanding effect is generated.

In a specific scheme, a connecting plane is formed inside the connecting pipe, and the outer walls of the connecting pipes at two sides of the connecting plane are protruded out of the connecting plane, so that a positioning chute is formed at the outer side of the connecting plane; the connecting plane is fixedly connected with the end part of the cross beam through a screw fixing component; the scheme adopts the connection plane to connect the end parts of the cross beams so as to ensure that the cross beams have larger joint surfaces after being fixedly connected, and the connection is firmer. The positioning sliding groove on the outer side of the connecting plane can initially position the end part of the cross beam in the left-right direction, so that the connection and alignment are convenient.

Further, an avoidance port for the threaded part to pass through is formed on the side wall of the connecting pipe at the other side of the connecting plane. The screw fixing part is screwed on the inner wall of the connecting plane after passing through the avoiding opening.

Preferably, the connecting pipe is obtained by cutting a section pipe with a uniform section. In the scheme, the connecting pipe is used as a profile pipe, a long pipe fitting is obtained by adopting a profile extrusion process, and then the connecting pipe can be obtained by cutting, so that the overall manufacturing cost of the connecting pipe is reduced.

Preferably, the side wall of the beam is provided with a decorative chute for inserting decorative plates, and the decorative chute can be used for sliding into various decorative plates, such as color plates or plates printed with different patterns.

Preferably, the side wall of the beam is fixedly connected with a table plate bracket and/or a supporting hook at the lower end face of the table plate; the cross beam is internally provided with a boss, and the outer side wall corresponding to the boss is provided with a connecting hole for connecting the desk plate bracket and/or a hook groove for hooking the supporting hook. In the scheme, the desk plate bracket and/or the supporting hook are/is used for being fixedly connected to the lower end face of the desk plate, so that the desk plate is fixedly connected to the cross beam. Further, in order to ensure the connection strength of the beam connection part, a boss is arranged on the inner side wall of the connection part, so that the beam connection part can be prevented from being deformed under the force.

In a further scheme, a sliding clamping groove for installing a screen is formed in the lower end part of the cross beam, the notch of the sliding clamping groove faces downwards, and a plurality of clamping pieces are embedded in the sliding clamping groove; the clamping piece is internally provided with a bayonet which is consistent with the direction of the notch of the sliding clamping groove; the upper end of the screen is clamped into the bayonet and fixedly connected in the sliding clamping groove of the cross beam through the clamping piece. In this scheme, can have a plurality of fastener in the slip draw-in groove of crossbeam lower extreme, like three fastener, further with screen upper end card go into the bayonet socket of fastener in, realize the rigid coupling.

In the scheme, the clamping piece is used as a connecting piece capable of having a shaping variable, and the clamping is realized when the upper end part of the screen is clamped into the bayonet of the clamping piece. In a specific scheme, the buckle piece includes the side gasket of laminating slip draw-in groove both sides inner wall to and the top gasket of laminating slip draw-in groove top surface. In addition, the end part of the inner wall of the side gasket is provided with a guide inclined plane at the bayonet, and the upper end part of the screen can conveniently enter the bayonet under the guidance of the guide inclined plane in the process of clamping the upper end part of the screen into the bayonet of the clamping piece.

A second object of the present utility model is to provide a desk, characterized in that: comprising the hidden connecting structure of the desk leg.

Drawings

Fig. 1 is a schematic diagram of the connection of a cross beam to a connecting tube.

Fig. 2 is a schematic diagram of connection between the connecting tube and the table leg.

FIG. 3 is a schematic illustration of the connection of a cross beam to a screen.

Fig. 4 is an overall schematic diagram after assembly.

Fig. 5 is a schematic structural view of the connection pipe.

Fig. 6 is an enlarged view of a portion a of fig. 2.

Fig. 7 is a schematic cross-sectional view of the connection of the cross beam to the screen.

Fig. 8 is a schematic view of the desk described in example 2.

Description of the embodiments

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Examples

As shown in fig. 1 to 7, the present embodiment relates to a hidden connection structure for a table leg, which includes a cross beam 1 and table legs 2 connected to two ends of the cross beam 1. A connecting pipe 3 is fixedly connected to the end part of the cross beam 1; at least the upper end of the table leg 2 is constructed as a hollow tube 20, and a positioning opening 21 communicated with the lumen of the table leg 2 is constructed on the side wall of the upper end of the table leg 2; when the beam 1 is fixedly connected with the table leg 2, the end part of the beam 1 is erected in the positioning opening 21, and the connecting pipe 3 is embedded in the hollow pipe 20 at the upper end of the table leg 2 and is fixedly connected to the inner wall of the hollow pipe 20 to at least realize axial relative fixation. The hidden connection between the cross beam 1 and the desk leg 2 in the hidden connection structure of the desk leg is realized through the connecting pipe 3. Specifically, the table leg 2 in this embodiment is constructed with a hollow tube 20 at least at its upper end and a positioning opening 21 at its upper end side wall; when the desk is installed, the connecting pipe 3 is fixedly connected to the end part of the cross beam 1, then the connecting pipe 3 is sunk into the hollow pipe 20 at the upper end of the desk leg 2, and the end part of the cross beam 1 is erected in the positioning opening 21, so that the cross beam 1 and a desk plate installed on the cross beam can be stably supported by the desk leg 2. Finally, the connecting pipe 3 is fixedly connected to the inner wall of the hollow pipe 20 to at least realize axial relative fixation, so that the cross beam 1 and the table leg 2 are connected.

Based on the above scheme, with connecting pipe 3 hidden in the hollow tube 20 of table foot 2 upper end, from the connection structure of outside observation unable perception connecting pipe 3 and hollow tube 20 to the connection structure of connecting pipe 3 and crossbeam 1 tip, thereby play the effect of hiding the junction, the outward appearance effect is better.

As shown in fig. 2 and 6, the connecting pipe 3 is embedded in the hollow pipe 20 at the upper end of the table leg 2 and then fixedly connected to the inner wall of the hollow pipe 20 in a pipe expansion manner. In this scheme, the connecting pipe 3 is connected with the hollow pipe 20 in a pipe expanding mode; before the pipe expansion, the pipe diameter of the connecting pipe 3 is smaller, so that the connecting pipe 3 is conveniently inserted into the hollow pipe 20, and after the pipe expansion, the outer wall of the connecting pipe 3 is attached to the inner wall of the hollow pipe 20, so that the fixedly connection is realized. In a specific embodiment, a gap 31 which axially penetrates through the upper end face and the lower end face of the connecting pipe 3 is formed in the side wall of the connecting pipe 3, and an expansion pipe assembly 4 is arranged in the gap 31 of the connecting pipe 3; the expansion pipe assembly 4 is used for circumferentially expanding the gap 31 of the connecting pipe 3 so as to enable the outer wall of the connecting pipe 3 to be closely attached to the inner wall of the hollow pipe 20. In this solution, the connection tube 3 is constructed as a non-closed-loop tube, the side walls of which form slits 31. After the connecting pipe 3 is inserted into the hollow pipe 20, the gap 31 is opened by the pipe expanding assembly 4, so that the connecting pipe 3 has a pipe expanding effect, and the connecting pipe is fixedly connected.

In fig. 6, the expansion assembly 4 comprises a screw 41, a nut 42 attached to the end of the screw 41; the middle part of the gap 31 of the connecting pipe 3 is constructed as a round hole 32 capable of positioning a screw 41, the screw 41 is penetrated in the round hole 32 of the gap 31, and a screw head and a screw cap 42 of the screw 41 are constructed as conical shapes and are respectively positioned in two end parts of the round hole 32; when the screw 41 and the nut 42 are screwed to each other, the tapered surfaces of the screw head and the nut 42 open the slit 31. In the above-mentioned scheme, before the connecting pipe 3 is inserted into the hollow pipe 20, the screw 41 is inserted into the circular hole 32 in the middle of the slit 31, and the nut is connected to the screw 41. After the connection pipe 3 is inserted into the hollow pipe 20, the screw 41 is screwed by a screwdriver or a hexagonal head, so that the screw 41 and the nut 42 are screwed to each other, thereby producing the above-described expansion effect.

In the specific scheme shown in fig. 5, a connection plane 33 is formed inside the connection pipe 3, and the outer walls of the connection pipe 3 at two sides of the connection plane 33 protrude from the connection plane 33, so that a positioning chute 34 is formed at the outer side of the connection plane 33; the connecting plane 33 is fixedly connected with the end part of the cross beam 1 through a screw fixing component; the scheme adopts the connection plane 33 to connect the end of the beam 1 so as to ensure that the beam has a larger bonding surface after being fixedly connected, and the connection is firmer. The positioning sliding groove 34 on the outer side of the connecting plane 33 can initially position the end part of the cross beam 1 in the left-right direction, so that the connection alignment is convenient.

Further, a relief opening 35 through which the screw member passes is formed in the side wall of the connecting pipe 3 at the other side of the connecting plane 33. The avoiding opening 35 is provided for screwing the screw-fastening member on the inner wall of the connection plane 33 after passing through.

Preferably, the connecting pipe 3 is cut by a profile pipe with a uniform cross section. In the scheme, the connecting pipe is used as a profile pipe, a long pipe fitting is obtained by adopting a profile extrusion process, and then the connecting pipe can be obtained by cutting, so that the overall manufacturing cost of the connecting pipe is reduced.

As shown in fig. 7, a decorative chute 11 for inserting decorative boards is formed on the side wall of the beam 1, and the decorative chute 11 can be used for sliding into various decorative boards, such as color boards or boards printed with different patterns.

In addition, a table plate bracket 5 and/or a supporting hook 6 of the lower end face of the table plate are fixedly connected to the side wall of the cross beam 1; the cross beam 1 is internally provided with a boss 12, and the outer side wall corresponding to the boss 12 is provided with a connecting hole 14 for connecting the table plate bracket 5 and/or a hook groove 15 for hooking the supporting hook 6. In this scheme, the desk plate bracket 5 and/or the supporting hook 6 are/is used for fixedly connecting to the lower end surface of the desk plate, so that the desk plate is fixedly connected to the cross beam 1. Further, in order to ensure the connection strength of the connection portion of the cross beam 1, the boss 12 is provided on the inner side wall of the connection portion, so that the connection portion of the cross beam 1 can be prevented from being deformed by force.

As shown in fig. 7, a sliding clamping groove 13 for installing a screen is formed in the lower end part of the cross beam 1, the notch of the sliding clamping groove 13 faces downwards, and a plurality of clamping pieces 7 are embedded in the sliding clamping groove 13; the clamping piece 7 is internally provided with a bayonet 71 which is consistent with the notch direction of the sliding clamping groove 13; the upper end of the screen 8 is clamped into the bayonet 71 and fixedly connected in the sliding clamping groove 13 of the cross beam 1 through the clamping piece 7. In this scheme, a plurality of fastening pieces 7, such as three fastening pieces 7, may be embedded in the sliding slot 13 at the lower end of the cross beam 1, and the upper end of the screen 8 is further fastened into the bayonet 71 of the fastening piece 7 to achieve the fixation. In the above solution, the clasp 7 acts as a connection piece capable of having a set variable, which is compressed when the upper end of the screen 8 snaps into the bayonet 71 of the clasp 7. In a specific embodiment, the fastening member 7 includes side gaskets 72 attached to inner walls of two sides of the sliding clamping groove 13, and a top gasket 73 attached to a top surface of the sliding clamping groove 13. In addition, a guiding inclined plane 74 is formed at the position of the bayonet 71 at the inner wall end of the side gasket 72, and in the process of clamping the upper end of the screen 8 into the bayonet 71 of the buckle piece 7, the upper end of the screen 8 can conveniently enter the bayonet 71 under the guidance of the guiding inclined plane 74.

Examples

As shown in fig. 8, the present embodiment is to provide a desk, which includes the hidden connection structure of the desk leg described in embodiment 1.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the utility model.

Claims (10)

1. The desk leg hidden connecting structure comprises a cross beam (1) and desk legs (2) connected to two ends of the cross beam (1); the method is characterized in that: a connecting pipe (3) is fixedly connected to the end part of the cross beam (1); at least the upper end of the table leg (2) is constructed as a hollow tube (20), and a positioning opening (21) communicated with the lumen of the table leg (2) is constructed on the side wall of the upper end of the table leg; when the cross beam (1) is fixedly connected with the table leg (2), the end part of the cross beam (1) is erected in the positioning opening (21), and the connecting pipe (3) is embedded in the hollow pipe (20) at the upper end of the table leg (2) and is fixedly connected to the inner wall of the hollow pipe (20) to at least realize axial relative fixation.

2. The foot hiding type connecting structure of claim 1, wherein: the connecting pipe (3) is embedded in the hollow pipe (20) at the upper end of the table leg (2) and then fixedly connected to the inner wall of the hollow pipe (20) in an expanding mode.

3. The foot hiding type connection structure according to claim 2, wherein: a gap (31) which axially penetrates through the upper end face and the lower end face of the connecting pipe (3) is formed in the side wall of the connecting pipe (3), and an expansion pipe assembly (4) is arranged in the gap (31) of the connecting pipe (3); the expansion pipe assembly (4) is used for circumferentially expanding a gap (31) of the connecting pipe (3), so that the outer wall of the connecting pipe (3) is tightly attached to the inner wall of the hollow pipe (20).

4. A foot hiding attachment structure as claimed in claim 3, wherein: the expansion pipe assembly (4) comprises a screw (41) and a nut (42) connected to the end part of the screw (41); the middle part of a gap (31) of the connecting pipe (3) is constructed into a round hole (32) capable of positioning a screw rod (41), the screw rod (41) is penetrated into the round hole (32) of the gap (31), and a screw head and a screw cap (42) of the screw rod (41) are constructed into conical shapes and are respectively positioned in two end parts of the round hole (32); when the screw (41) and the nut (42) are mutually screwed, the conical surfaces of the screw head and the nut (42) prop open the gap (31).

5. The foot hiding type connecting structure of claim 1, wherein: a connecting plane (33) is formed inside the connecting pipe (3), and the outer walls of the connecting pipes (3) at two sides of the connecting plane (33) are protruded out of the connecting plane (33), so that a positioning chute (34) is formed at the outer side of the connecting plane (33); the connecting plane (33) is fixedly connected with the end part of the cross beam (1) through a screw-fixing component;

an avoidance port (35) for the threaded part to pass through is formed on the side wall of the connecting pipe (3) at the other side of the connecting plane (33).

6. The foot hiding type connecting structure of claim 1, wherein: the connecting pipe (3) is obtained by cutting a section pipe with a uniform section.

7. The foot-hidden connecting structure according to any one of claims 1 to 6, wherein: a decorative chute (11) for inserting a decorative plate is formed in the side wall of the cross beam (1).

8. The foot-hidden connecting structure according to any one of claims 1 to 6, wherein: a table plate bracket (5) and/or a supporting hook (6) of the lower end surface of the table plate are fixedly connected to the side wall of the cross beam (1); the cross beam (1) is internally provided with a boss (12) on the side wall, and a connecting hole (14) for connecting the desk plate bracket (5) and/or a hook groove (15) for hooking the supporting hook (6) are formed on the outer side wall corresponding to the boss (12).

9. The foot-hidden connecting structure according to any one of claims 1 to 6, wherein: a sliding clamping groove (13) for installing the screen (8) is formed in the lower end part of the cross beam (1), the notch of the sliding clamping groove (13) faces downwards, and a plurality of clamping pieces (7) are embedded in the sliding clamping groove (13); the clamping piece (7) is internally provided with a bayonet (71) which is consistent with the direction of the notch of the sliding clamping groove (13); the upper end of the screen (8) is clamped into the bayonet (71) and fixedly connected in the sliding clamping groove (13) of the cross beam (1) through the clamping piece (7); the clamping piece (7) comprises side gaskets (72) which are attached to the inner walls of the two sides of the sliding clamping groove (13), and a top gasket (73) which is attached to the top surface of the sliding clamping groove (13); the inner wall end of the side washer (72) is provided with a guide inclined plane (74) at the bayonet (71).

10. A desk, characterized in that: comprising a foot-hidden connection according to any one of claims 1 to 9.