Internal wiring stand column

Abstract

The utility model provides an internal wiring stand column which comprises a telescopic sleeve and a spring cable vertically arranged in the telescopic sleeve, the two ends of the spring cable are provided with interface seats with connecting ports, and the two connecting ports used for being externally connected with cables are exposed out of the upper end and the lower end of the telescopic sleeve respectively. The two interface seats are mounted on the telescopic sleeve through mounting pieces, the mounting pieces are arranged outside the interface seats in a sleeving mode, the mounting pieces and the interface seats are fixedly arranged oppositely, and when the telescopic sleeve stretches out and draws back, the spring cable is driven to be lengthened or shortened; the interface seat and the telescopic sleeve are connected by sleeving the mounting piece, so that the structure is simple and the mounting is convenient; the interface seat can be a conventional compliant and safe product, so that a manufacturer does not need to perform injection molding on a new interface seat, and authentication and safety problems related to the interface seat do not need to be considered; in terms of overall arrangement, the spring cable is not bent at the end portion, a shorter spring cable can be selected, the spring cable is not prone to being damaged due to uneven stress, the spring cable is more protective, and the service life of the spring cable can be prolonged.

Description

Technical Field

[0001] The utility model relates to the field of furniture, in particular to an inner wiring column. Background Art

[0002] On the lift table, there will be more or less some office appliances, such as computers, and the appliances need to be connected to the power cord for power supply. Since the height of the lift table will change, when the cable of the appliance is connected to the socket in the room, it is necessary to consider the length of the cable so that it will not be forced to disconnect from the socket due to the lifting of the table. This is the first inconvenience; another problem is that part of these cables are hung on the lift table, and part of them are suspended in the air. Once there are too many cables, it appears very messy and untidy; therefore, a power socket for connecting electrical appliances will be set on the lift table, which can be directly connected to the appliance and can also be connected to the power strip, which is convenient for connection and solves the problem of long or short cable length and too many cables.

[0003] When setting cables inside the column, spiral cables are generally selected, and the two ends of the spiral cables are respectively fixed on the two pipes of the column to enable the cables to be synchronously extended and retracted when the column is raised or lowered. Therefore, how to install the spring cables on the columns more quickly and stably is a problem that manufacturers still need to solve. Summary of the invention

[0004] In order to solve the above technical problems, the utility model provides an internal wiring column, including a telescopic sleeve and a spring cable vertically arranged in the telescopic sleeve, both ends of the spring cable have interface seats with connecting ports, two connecting ports for external cables are respectively exposed at the upper and lower ends of the telescopic sleeve, and the two interface seats are installed on the telescopic sleeve through mounting parts, the mounting parts are sleeved outside the interface seats and fixedly arranged relative to the interface seats, and when the telescopic sleeve is extended or retracted, the spring cable is driven to lengthen or shorten; the interface seat and the telescopic sleeve are connected by sleeve mounting parts, the structure is simple and the installation is convenient; the interface seat can use existing compliant and safe existing products, and the manufacturer does not need to inject a new interface seat by itself, and there is no need to consider the certification and safety issues of the interface seat; from the overall layout, the spring cable has no bends at its ends, which reduces waste and allows the selection of shorter spring cables; secondly, the spring cable without end bends is not easily damaged due to uneven force, is more protective, and can extend the service life of the spring cable.

[0005] The technical solution of the utility model is achieved in this way:

[0006] An internal wiring column comprises a telescopic sleeve and a spring cable, wherein the spring cable is vertically arranged in the telescopic sleeve; both ends of the spring cable are provided with interface seats, the interface seats have connecting ports, the two connecting ports are respectively exposed at the upper and lower ends of the telescopic sleeve, and the connecting ports are configured to be externally connected to the cable; both interface seats are sleeved with mounting pieces, the interface seats and the mounting pieces are relatively fixedly arranged, the two mounting pieces are respectively installed at the upper and lower ends of the telescopic sleeve, and the mounting pieces, the interface seats and the spring cable are all vertically arranged; when the telescopic sleeve is extended, the spring cable is extended accordingly, and when the telescopic sleeve is shortened, the spring cable recovers its deformation and shortens.

[0007] The interface seat and the telescopic sleeve are connected by installing the mounting parts, which has a simple structure and is easy to install; the interface seat can use existing compliant and safe existing products, and the manufacturer does not need to injection-mold a new interface seat by itself, and there is no need to consider the certification and safety issues of the interface seat; from the overall layout, the spring cable has no bends at its ends, which can reduce waste and allow the use of shorter spring cables. Secondly, the spring cable without bends at the ends is not easily damaged due to uneven force, is more protective, and can extend the service life of the spring cable.

[0008] Preferably, the mounting piece includes two shells, which are horizontally buckled to be sleeved outside the interface seat. The mounting piece is split into two shells, which directly wrap the interface seat by buckling, without the need to wind spring cables and other steps, which is convenient, simple and fast to install, and is conducive to improving production efficiency.

[0009] Preferably, the interface seat comprises a head with a connection port and a main body connected to the head, and the head protrudes from the main body in the radial direction; a receiving groove is provided on the shell, and the head is arranged in the receiving groove, and the mounting parts at the upper and lower ends of the receiving groove are provided with limiting parts, and the limiting parts protrude inward in the radial direction, and the two limiting parts are jointly configured to limit the movement of the head in the receiving groove from the upper and lower directions. The head of the interface seat is arranged in the receiving groove to axially limit the interface seat and the mounting part, and when the telescopic sleeve is extended and retracted, the mounting part can drive the interface seat to move with the telescopic sleeve, thereby realizing the lengthening or shortening of the spring cable.

[0010] Preferably, a locking portion is provided at the end of the main body away from the head, the locking portion is in an I-shape, and the upper and lower ends of the locking portion have convex rings, which protrude radially outward from the main body; a locking groove for accommodating and clamping the locking portion is correspondingly provided on the shell, and the locking groove corresponds to the locking portion in an I-shape. The locking portion and the locking groove are provided to further lock the interface seat and the mounting piece, so as to increase the connection stability between the interface seat and the mounting piece, and to enhance the tension that the spring cable can withstand when the telescopic sleeve is extended or retracted.

[0011] Preferably, two connecting columns spaced vertically are provided on the end surface of the shell, and connecting grooves symmetrical to the connecting columns are provided on the end surface, and the two shells are positioned and buckled with the connecting columns and connected by screws. The connecting column of one shell is inserted into the connecting groove of the other shell to achieve the buckling of the two, and the installation is simple and quick.

[0012] Preferably, the telescopic sleeve has end plates at the upper and lower ends, and the mounting member is mounted on the end plates; the mounting member is fixedly connected to the end plates by screws. Directly mounting the mounting member on the end plates by screws is a relatively simple connection method.

[0013] Preferably, the telescopic sleeve has end plates at the upper and lower ends, and a vertically arranged screw assembly is also arranged in the telescopic sleeve, and the screw assembly is mounted on a fixed plate, and the fixed plate is connected to the end plate of the telescopic sleeve; the end of the mounting piece close to the connection port is provided with a convex portion protruding outward, and a slot is provided on the fixed plate, and the mounting piece is clamped in the slot and the convex portion is in contact with the fixed plate. The fixed plate is clamped with the mounting piece, and the installation operation is faster and more convenient.

[0014] Preferably, the mounting piece is provided with a plurality of limit strips, and the spacing between the limit strips and the convex portion is equal to the thickness of the fixing plate. When the mounting piece enters the slot, the fixing plate is clamped between the limit strips and the convex portion. The gap between the limit strips and the convex portion further realizes the clamping connection with the fixing plate, and the axial synchronization between the fixing plate and the mounting piece is realized in turn. The fixing plate is also installed on the end plate of the telescopic sleeve, so the axial synchronization between the mounting piece and the end plate is also realized.

[0015] The design starting point, concept and beneficial effects of the utility model using the above technical solution are:

[0016] The interface seat and the telescopic sleeve are connected by installing the mounting parts, which has a simple structure and is easy to install; the interface seat can use existing compliant and safe existing products, and the manufacturer does not need to injection-mold a new interface seat by itself, and there is no need to consider the certification and safety issues of the interface seat; from the overall layout, the spring cable has no bends at its ends, which can reduce waste and allow the use of shorter spring cables. Secondly, the spring cable without bends at the ends is not easily damaged due to uneven force, is more protective, and can extend the service life of the spring cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The three-dimensional structure of the table frame in the embodiment of the utility model is shown in FIG. Figure 1 ;

[0018] Figure 2 The three-dimensional structure of the table frame in the embodiment of the utility model is shown in FIG. Figure 2 ;

[0019] Figure 3This is a schematic diagram of the three-dimensional structure of the junction box in the embodiment of the utility model;

[0020] Figure 4 It is a cross-sectional view of a column in an embodiment of the utility model;

[0021] Figure 5 It is a schematic diagram of the internal structure of the column in the embodiment of the utility model;

[0022] Figure 6 This is a schematic diagram of a three-dimensional structure of the connection between the mounting piece at the lower end of the spring cable and the end plate in an embodiment of the utility model;

[0023] Figure 7 This is an exploded view of the connection between the mounting piece at the upper end of the spring cable and the end plate in the embodiment of the utility model;

[0024] Figure 8 Schematic diagram of the three-dimensional structure of the connection between the mounting piece at the upper end of the spring cable and the end plate in the embodiment of the utility model Figure 1 ;

[0025] Fig. 9 Schematic diagram of the three-dimensional structure of the connection between the mounting piece at the upper end of the spring cable and the end plate in the embodiment of the utility model Figure 2 ;

[0026] Fig.10 It is a side view of the housing in the embodiment of the utility model;

[0027] Fig.11 It is a front view of the interface seat in the embodiment of the utility model.

[0028] The reference numerals of the figures are as follows: column 1; middle beam 2; screw assembly 3; spring cable 4; motor 5; air switch 6; table leg 7; wiring window 8; junction box 9; control box 10; splitter 11; socket seat 12; connecting port 13; telescopic sleeve 14; outer tube 141; inner tube 142; interface seat 15; head 151; main body 152; locking portion 153; convex ring 154; mounting member 16; shell 17; connecting column 18; connecting groove 19; accommodating groove 20; limiting portion 21; locking groove 22; end plate 23; fixing plate 24; convex portion 25; slot 26; limiting strip 27; avoidance opening 28. DETAILED DESCRIPTION

[0029] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0030] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0031] In the description of the present invention, the terms "first", "second", "third", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance.

[0032] The specific implementation of the utility model is as follows:

[0033] like Figure 1-3 As shown, the utility model provides an internal wiring column, which is used in a table frame, and the table frame includes two columns 1 arranged at intervals on the left and right and a middle beam 2 located between the two columns 1; a screw assembly 3 and a spring cable 4 are arranged in the column 1, and the screw assembly 3 and the spring cable 4 are vertically arranged in the column 1, and the screw assembly 3 and the spring cable 4 are connected to the upper and lower ends of the column 1; a motor 5 is provided outside the column 1, and the motor 5 is located at the upper end or the lower end of the column 1, and the motor 5 is transmission-connected to the screw assembly 3; an air switch 6 is provided on the middle beam 2, and the air switch 6 is configured as a switch that automatically disconnects when the current exceeds the rated current; the air switch 6 is electrically connected to each motor 5 and each spring cable 4.

[0034] A screw assembly 3 and a spring cable 4 are provided inside the column 1, a motor 5 is provided outside the column 1, and an air switch 6 used as a protective switch is arranged on the middle beam 2 and is electrically connected to the motor 5 and the spring cable 4; the air switch 6 is no longer arranged on the column 1, but on the middle beam 2, which can make it unnecessary to avoid the air switch 6 when the column 1 is extended or retracted, increase the maximum overlap between the two pipes of the column 1, and improve the installation stability of the table frame; under the same length of the column 1, the column 1 in the table frame of this scheme can have a larger stroke, which not only saves cost but also maintains the minimum ground clearance of the desktop, so as to be suitable for people of various body shapes and ages.

[0035] Specifically, a table leg 7 is provided at the lower end of the column 1, and the two ends of the middle beam 2 are respectively connected to the two table legs 7, and the table legs 7 and the middle beam 2 are open downward, so the table legs 7 and the middle beam 2 are hollow, and a wiring window 8 is opened on the table leg 7 to connect the table leg 7 with the middle beam 2; the motor 5 is arranged in the table leg 7, and a junction box 9 and a control box 10 are provided in the middle beam 2, and a junction box 11 and a socket 12 with the air switch 6 are provided in the junction box 9, and the junction box 9 is configured to connect the air switch 6 with each motor 5, the spring cable 4 is electrically connected, the control box 10 is configured as a splitter 11 electrically connected to the control box 10 and then electrically connected to the motor 5 through the control box 10; the socket seat 12 is arranged in the splitter box 9 and exposed on the middle beam 2, the external power line is connected to the lifting table through the socket seat 12, the socket seat 12 is first electrically connected to the splitter 11, the air switch 6 is also electrically connected to the splitter 11, the splitter 11 is then electrically connected to the control box 10 and the spring cable 4, the control box 10 is then electrically connected to the two motors 5, when the lifting table is raised or lowered, the movement of the motor 5 needs to be controlled by the control box 10.

[0036] The air switch 6, the motor 5 and the spring cable 4 are arranged in different areas, and the air switch 6 needs to be electrically connected to them, and it would be preferred if the wiring is not exposed, so the table legs 7 and the middle beam 2 are set to be hollow, which can accommodate various components on the one hand, and on the other hand, after the two are connected, the air switch 6 can be connected to the motor 5 and the spring cable 4 through wires; the splitter 11 is used to divert the incoming power line so that each electrical appliance on the lifting table can be powered, and each electrical appliance is electrically connected to the air switch 6. When a short circuit or other problems occur in each electrical appliance, the air switch 6 can cut off the power supply in time, thereby ensuring the safety of the lifting table; the air switch 6 and the socket seat 12 are integrated components. After direct installation, there is no need to consider the electrical connection between the air switch 6 and the socket seat 12.

[0037] Furthermore, the spring cable 4 has a connection port 13 located at both ends, and the connection port 13 at the lower end of the spring cable 4 is exposed downward in the table leg 7. When the table leg 7 and the middle beam 2 are hollow and connected, the connection port 13 of the spring cable 4 is exposed in the table leg 7, which is conducive to the electrical connection between the spring cable 4 and the splitter 11.

[0038] Furthermore, if Figure 4 , 5As shown, the column 1 includes a telescopic sleeve 14, which includes an outer tube 141 and an inner tube 142. The outer tube 141 is sleeved on the outer side of the inner tube 142 and the two are slidably matched. The lower end of the inner tube 142 is connected to the table leg 7; both ends of the spring cable 4 have interface seats 15, and the interface seat 15 has a connecting port 13. The two connecting ports 13 are respectively exposed at the upper and lower ends of the telescopic sleeve 14. The connecting port 13 located at the lower end is exposed in the table leg 7 as described above, and the connecting port 13 is configured as an external cable to achieve electrical connection of the spring cable 4; the two interface seats 15 are sleeved with mounting members 16, and the interface seats 15 and the mounting members 16 are relatively fixedly arranged. The two mounting members 16 are respectively installed at the upper and lower ends of the telescopic sleeve 14, and the mounting members 16, the interface seats 15 and the spring cable 4 are all vertically arranged; when the telescopic sleeve 14 is extended, the spring cable 4 is elongated accordingly, and when the telescopic sleeve 14 is shortened, the spring cable 4 recovers its deformation and shortens.

[0039] The interface seat 15 and the telescopic sleeve 14 are connected by sleeve-arranging the mounting piece 16, which has a simple structure and is easy to install; the interface seat 15 can use existing compliant and safe existing products, and the manufacturer does not need to injection-mold a new interface seat 15 by itself, and there is no need to consider the certification and safety issues related to the interface seat 15; from the overall layout, the spring cable 4 has no bends at its ends, which can reduce waste and allow a shorter spring cable 4 to be selected. Secondly, the spring cable 4 without a bend at the end is not easily damaged due to uneven force, is more protective, and can extend the service life of the spring cable 4.

[0040] Specifically, if Figure 7 , 10 As shown in , 11, the mounting member 16 is sleeved on the interface seat 15 in the same manner, and the mounting member 16 includes two shells 17, and the two shells 17 are sleeved on the outside of the interface seat 15 by horizontal buckling; two connecting columns 18 spaced up and down are provided on the end surface of the shell 17, and a connecting groove 19 symmetrical to the connecting columns 18 is provided on the end surface, and the two shells 17 are positioned and buckled with the connecting groove 19 by the connecting columns 18 and are fixedly connected by screws; the mounting member 16 is split into two shells 17, and the two shells 17 directly wrap the interface seat 15 by buckling, without the need to perform steps such as winding the spring cable 4, etc., and the installation is convenient, simple and fast, which is conducive to improving production efficiency; the connecting column 18 of one shell 17 is inserted into the connecting groove 19 of the other shell 17 to achieve the buckling of the two, so that the positioning during installation is simple and quick.

[0041] The interface seat 15 includes a head 151 with a connection port 13 and a main body 152 connected to the head 151. In the radial direction, the head 151 protrudes from the main body 152. A housing 17 is provided with a receiving groove 20, and the head 151 is arranged in the receiving groove 20. The mounting members 16 at the upper and lower ends of the receiving groove 20 are provided with limiting portions 21. The limiting portions 21 protrude inwardly in the radial direction. The two limiting portions 21 are jointly configured to limit the movement of the head 151 in the receiving groove 20 from both the upper and lower directions. A locking portion 153 is provided at the end of the main body 152 away from the head 151. The locking portion 153 is in an I-shape. The upper and lower ends of the locking portion 153 have convex rings 154. The convex rings 154 extend radially inwardly. The main body 152 protrudes outward; a locking groove 22 for accommodating and engaging the locking portion 153 is correspondingly provided on the shell 17, and the locking groove 22 is I-shaped corresponding to the locking portion 153; the head 151 of the interface seat 15 is arranged in the accommodating groove 20 to axially limit the interface seat 15 and the mounting member 16. When the telescopic sleeve 14 is extended or retracted, the mounting member 16 can drive the interface seat 15 to move with the telescopic sleeve 14, thereby achieving the lengthening or shortening of the spring cable 4; through the arrangement of the locking portion 153 and the locking groove 22, the interface seat 15 and the mounting member 16 are further locked, so as to increase the connection stability between the interface seat 15 and the mounting member 16, and to enhance the tension that the spring cable 4 can withstand when the telescopic sleeve 14 is extended or retracted.

[0042] The upper and lower mounting members 16 can be connected to the telescopic sleeve 14 by the same connection method or by two different connection methods. In this embodiment, the upper mounting member 16 and the lower mounting member 16 are connected to the two ends of the telescopic sleeve 14 respectively by two connection methods.

[0043] Specifically, if Figure 6-11 As shown, the telescopic sleeve 14 has end plates 23 located at the upper and lower ends, the two end plates 23 are respectively located on the outer tube 141 and the inner tube 142, and the mounting member 16 is installed on the end plates 23; the mounting member 16 located at the bottom is directly fixedly connected to the end plate 23 located at the bottom by screws, which is a relatively simple connection method.

[0044] The screw assembly 3 is located beside the spring cable 4, and the screw assembly 3 is installed on a fixing plate 24, and the fixing plate 24 is connected to the end plate 23 at the upper end of the telescopic sleeve 14; the mounting piece 16 located at the top has a protrusion 25 protruding outward at its end close to the connecting port 13, and a slot 26 is provided on the fixing plate 24, and the mounting piece 16 is clamped in the slot 26 and the protrusion 25 is in contact with the fixing plate 24; a plurality of limiting strips 27 are provided on the mounting piece 16, and the spacing between the limiting strip 27 and the protrusion 25 is equal to the thickness of the fixing plate 24. When the mounting piece 16 enters the slot 26, the fixing plate 24 is clamped between the limiting strip 27 and the protrusion 25; first connect the screw assembly 3 to the fixing plate 24, and then the mounting piece 16 sleeved on the outside of the interface seat 15 is clamped onto the fixing plate 24, and finally the fixing plate 24 is connected to the end plate 23 by screws. The fixing plate 24 is provided with an avoidance opening 28 for avoiding the mounting piece 16, so that the connecting port 13 is exposed to the telescopic sleeve 14; the fixing plate 24 is clamped with the mounting piece 16, and the installation operation is faster and more convenient; the fixing plate 24 is further clamped with the fixing plate 24 through the gap between the limiting strip 27 and the protrusion 25, and the axial synchronization between the fixing plate 24 and the mounting piece 16 is realized in turn. The fixing plate 24 is installed on the end plate 23 of the telescopic sleeve 14, so this also realizes the axial synchronization between the mounting piece 16 and the end plate 23.

Claims

1. An internal wiring column, characterized in that: It includes a telescopic sleeve and a spring cable, which is vertically arranged in the telescopic sleeve; both ends of the spring cable are provided with interface seats, and the interface seats have connecting ports, which are respectively exposed at the upper and lower ends of the telescopic sleeve, and the connecting ports are configured as external cables; both interface seats are provided with mounting parts, and the interface seats and the mounting parts are relatively fixedly arranged, and the two mounting parts are respectively installed at the upper and lower ends of the telescopic sleeve, and the mounting parts, the interface seats and the spring cable are all vertically arranged; when the telescopic sleeve is extended, the spring cable is extended accordingly, and when the telescopic sleeve is shortened, the spring cable recovers its deformation and shortens.

2. The inner wiring column according to claim 1, characterized in that: The mounting piece comprises two shells, which are horizontally buckled and sleeved outside the interface seat.

3. The inner wiring column according to claim 2, characterized in that: The interface seat includes a head with a connecting port and a main body connected to the head, and the head protrudes from the main body in the radial direction; a receiving groove is opened on the shell, and the head is arranged in the receiving groove, and limiting parts are provided on the mounting parts at the upper and lower ends of the receiving groove, and the limiting parts protrude inward in the radial direction. The two limiting parts are jointly configured to limit the movement of the head in the receiving groove from both the upper and lower directions.

4. The inner wiring column according to claim 3, characterized in that: A locking portion is provided at the end of the main body away from the head, and the locking portion is in an I-shape. The upper and lower ends of the locking portion have convex rings, which protrude radially outward from the main body. A locking groove for accommodating and clamping the locking portion is correspondingly opened on the shell, and the locking groove corresponds to the I-shape locking portion.

5. The inner wiring column according to claim 2, characterized in that: Two connecting columns spaced apart from each other are arranged on the end surface of the shell, and connecting grooves symmetrical to the connecting columns are arranged on the end surface. The two shells are positioned and buckled with the connecting columns and connected with the connecting grooves and are fixedly connected by screws.

6. The inner wiring column according to claim 1, characterized in that: The telescopic sleeve has end plates located at the upper and lower ends, and the mounting pieces are mounted on the end plates; the mounting pieces are fixedly connected to the end plates by screws.

7. The inner wiring column according to claim 1, characterized in that: The telescopic sleeve has end plates located at the upper and lower ends. A vertically arranged screw assembly is also provided in the telescopic sleeve. The screw assembly is installed on a fixed plate, and the fixed plate is connected to the end plate of the telescopic sleeve. An outwardly protruding convex portion is provided at the end of the mounting piece close to the connecting port, and a slot is provided on the fixed plate. The mounting piece is clamped in the slot and the convex portion is in contact with the fixed plate.

8. The inner wiring column according to claim 7, characterized in that: The mounting piece is provided with a plurality of limit strips, and the spacing between the limit strips and the convex portion is equal to the thickness of the fixing plate. When the mounting piece enters the slot, the fixing plate is clamped between the limit strips and the convex portion.

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