Double-stand-column aluminum alloy lifting table frame

Abstract

The utility model belongs to the technical field of lifting tables, and particularly relates to a double-stand-column aluminum alloy lifting table frame which comprises two symmetrically-arranged lifting table legs, and each lifting table leg comprises an inner pipe, a sliding sleeve and an outer pipe. The pipe wall of the inner pipe is provided with at least two receding through parts arranged in a circumferential array mode. The sliding sleeve comprises an abutting part located on the peripheral side of the sliding sleeve and at least two barb parts located on the top of the sliding sleeve and arranged in a circumferential array. The sliding sleeve is located between the inner pipe and the outer pipe. The abutting part is in contact with the bottom of the outer pipe; the lower portion of the inner wall of the outer pipe is provided with at least two clamping grooves in a circumferential array. According to the double-stand-column aluminum alloy lifting table frame, when the inner pipe is sleeved with the outer pipe, the barb part is extruded to deform and is located in the avoiding through part; when the outer pipe continuously moves downwards to be in contact with the abutting part, the barb part rebounds and is clamped into the clamping groove to mount the sliding sleeve, so that fastening pieces such as bolts do not need to be used for fixing, the mounting steps are greatly simplified, and the overall mounting efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of lifting table, specifically relates to a double stand column aluminium alloy lifting table frame. BACKGROUND

[0002] In the design and manufacture of lifting table frame, the structure and installation method of lifting table leg have important influence on the performance and use experience of the whole table frame.

[0003] The sliding sleeve in the table leg of the traditional lifting table frame is usually fixed in the outer pipe by bolt fixing, and this fixing method has the following defects:

[0004] Firstly, bolt fixing requires that the operator has certain technical level and installation experience, otherwise it is difficult to ensure the accuracy and stability of the sliding sleeve installation. For ordinary installers, this undoubtedly increases the operation difficulty and the risk of error.

[0005] Secondly, the installation process of fixing the sliding sleeve in the outer pipe is relatively complex, the tightening space is limited, and special tools are needed for tightening and loosening, which not only wastes time but also is low in efficiency.

[0006] This seriously affects the production progress and cost in the process of large-scale production and installation. In addition, due to the complexity of the installation process, the installation quality is uneven, which affects the overall stability and service life of the table frame.

[0007] Therefore, in order to solve the above problems, it is necessary to design a double stand column aluminium alloy lifting table frame. CONTENT OF THE UTILITY MODEL

[0008] The utility model aims at providing a double stand column aluminium alloy lifting table frame to solve the technical problem of inconvenient installation of the sliding sleeve.

[0009] In order to solve the above technical problem, the utility model provides a double stand column aluminium alloy lifting table frame, which comprises:

[0010] Two symmetrical lifting table legs, each lifting table leg comprising: an inner pipe, a sliding sleeve and an outer pipe;

[0011] The pipe wall of the inner pipe is provided with at least two circumferentially arranged avoiding through parts;

[0012] The sliding sleeve comprises: an abutting portion located on the side of the sliding sleeve and at least two circumferentially arranged barb portions located on the top of the sliding sleeve; wherein

[0013] The sliding sleeve is located between the inner pipe and the outer pipe; and

[0014] The abutting portion is in contact with the bottom of the outer pipe;

[0015] The inner wall of the outer tube is provided with at least two circumferential arrays of clamping slots in the lower part;

[0016] When the outer tube is sleeved on the inner tube, the deformation of the hook portion is extruded and the hook portion is located in the avoiding passage;

[0017] When the outer tube continues to move downward and contacts the abutting portion, the hook portion is clamped into the clamping slot to install the sliding sleeve;

[0018] The cross beam is connected to the side of the two outer tubes;

[0019] The longitudinal beam is arranged on both sides of the cross beam and is connected to the top of the two outer tubes;

[0020] The foot plate is connected to the bottom of the inner tube.

[0021] Further, the sliding sleeve further comprises at least two pairs of circumferential arrays of elongated reinforcing portions.

[0022] Further, the lifting table leg further comprises an outer tube cover plate arranged on the top of the outer tube; wherein

[0023] The outer tube cover plate is connected to the longitudinal beam.

[0024] Further, the lifting table leg further comprises a gear box arranged on the bottom of the outer tube cover plate, a lead screw connected to the gear box, a nut seat arranged on the top of the inner tube, and at least two circumferential arrays of sliding pieces arranged on the outer wall of the inner tube; wherein

[0025] The inner wall of the outer tube is adapted to slide with the sliding pieces;

[0026] The lead screw is engaged with the nut seat; and

[0027] When the gear box drives the lead screw to rotate, the lead screw is engaged with the nut seat to drive the gear box to move relative to the nut seat, so that the outer tube drives the sliding sleeve to slide on the inner tube.

[0028] Further, a transmission rod is arranged between the two gear boxes;

[0029] The outer side of the transmission rod is sleeved with a worm gear box; wherein

[0030] The worm gear box is fixed on any outer tube cover plate; and

[0031] The bottom of the worm gear box is connected with a driving motor;

[0032] The driving motor is adapted to drive the transmission rod to rotate through the worm gear box, and the transmission rod drives the lead screw to rotate through the gear box, so as to realize the lifting of the lifting table leg.

[0033] Further, at least one table plate diagonal brace is arranged on each side of the outer tube;

[0034] At least one Z-shaped card is arranged on the cross beam; wherein

[0035] Each of the desk plate inclined braces and Z-shaped cards is suitable for supporting and connecting the desk plate.

[0036] Further, the bottom of the foot plate is provided with two symmetrically arranged ground screws.

[0037] The utility model discloses beneficial effects are:

[0038] (I), when installing, first, the sliding sleeve is set on the inner tube, and the barb portion is flush with the avoiding through portion, the outer tube is sleeved on the inner tube, and the outer tube is moved downward, the barb portion of the sliding sleeve is deformed due to the extrusion of the inner wall of the outer tube and is temporarily entered into the avoiding through portion of the inner tube, along with the continuous downward movement of the outer tube, when the outer tube and the abutting portion of the sliding sleeve contact, the barb portion rebounds under the action of elasticity and is clamped into the clamping groove of the inner wall of the outer tube, at this time, the barb portion and the abutting portion of the sliding sleeve are respectively abutted with the bottom and the clamping groove of the outer tube, so as to fix the sliding sleeve in the outer tube, thereby reaching the fixing without using the fastener such as bolt, saving the cumbersome tightening process, greatly simplifying the installation steps, improving the overall installation efficiency, simultaneously, the requirement for the technical level of the installation personnel is reduced, and the ordinary user can easily complete the installation of the sliding sleeve.

[0039] Other features and advantages of the present application will be described in the following specification, and some of them will become apparent from the specification, or will be understood through implementation of the present application. The purpose and other advantages of the present application are realized and obtained from the structure specifically pointed out in the specification and the drawings.

[0040] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the following preferred embodiments are taken as an example, and the following detailed description is made in combination with the attached drawings. BRIEF DESCRIPTION OF DRAWINGS

[0041] In order to more clearly illustrate the specific embodiment of the present application or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiment or the prior art description, and obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0042] Figure 1 is the perspective view of the preferred embodiment of the whole of the utility model Figure 1 ;

[0043] Figure 2 is the exploded view of the preferred embodiment of the lifting table leg of the utility model

[0044] Figure 3is the perspective view of the preferred embodiment of the outer tube of the utility model;

[0045] Figure 4 is the schematic diagram of the preferred embodiment of the sliding sleeve installation of the utility model;

[0046] Figure 5 is the perspective view of the preferred embodiment of the whole of the utility model Figure 2 ;

[0047] Figure 6 is the perspective view of the preferred embodiment of the crossbeam and transmission rod of the utility model.

[0048] In the figure,

[0049] Lifting table leg 1, inner tube 101, avoiding through part 1011, sliding sleeve 102, abutting portion 1021, barb portion 1022, extension reinforcing portion 1023, outer tube 103, clamping groove 1031, outer tube cover plate 104, gear box 105, screw rod 106, nut seat 107, sliding sheet 108;

[0050] Crossbeam 2, longitudinal beam 3, foot plate 4, transmission rod 5, worm wheel box 6, driving motor 7, table plate inclined brace 8, Z-shaped card 9, ground screw 10. DETAILED DESCRIPTION

[0051] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the technical scheme of the utility model will be described clearly and completely below in conjunction with the drawings, obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor are within the protection scope of the utility model. Embodiment 1

[0052] As Figures 1 to 5 shown, the embodiment provides a double upright column aluminum alloy lifting table frame, which comprises:

[0053] Two symmetrical lifting table legs 1, each lifting table leg 1 comprising: an inner tube 101, a sliding sleeve 102 and an outer tube 103; the inner tube 101 is provided with at least two circumferentially arranged avoiding through parts 1011; the sliding sleeve 102 comprises: an abutting part 1021 located on the side of the sliding sleeve 102 and at least two circumferentially arranged barb parts 1022 located on the top of the sliding sleeve 102; wherein the sliding sleeve 102 is located between the inner tube 101 and the outer tube 103; and the abutting part 1021 is in contact with the bottom of the outer tube 103; the inner wall of the lower part of the outer tube 103 is provided with at least two circumferentially arranged clamping grooves 1031; when the outer tube 103 is adapted to be sleeved on the inner tube 101, the barb parts 1022 are deformed and located in the avoiding through parts 1011; when the outer tube 103 continues to move downward and contacts the abutting part 1021, the barb parts 1022 rebound and are clamped into the clamping grooves 1031 to install the sliding sleeve 102; a cross beam 2 connected to the sides of the two outer tubes 103; longitudinal beams 3 arranged on both sides of the cross beam 2 and respectively connected to the top of the two outer tubes 103; a foot plate 4 connected to the bottom of the inner tube 101; wherein the inner tube 101 and the outer tube 103 are most preferably square tubes; wherein the sliding sleeve 102 is most preferably square; wherein the avoiding through parts 1011 and the clamping grooves 1031 are most preferably provided with four, and are respectively distributed on the four circumferential surfaces of the square tube; wherein the barb parts 1022 are most preferably provided with four, and the barb parts 1022 correspond to the positions of the avoiding through parts 1011 and the clamping grooves 1031; wherein the cross beam 2 is telescopic but not limited to, so as to adjust the distance between the beam lifting table legs 1 when the cross beam 2 telescopes.

[0054] In this embodiment, during installation, first, the sliding sleeve 102 is sleeved on the inner tube 101, and the barb parts 1022 are flush with the avoiding through parts 1011, the outer tube 103 is sleeved on the inner tube 101, and the outer tube 103 is moved downward, the barb parts 1022 of the sliding sleeve 102 are deformed due to the extrusion of the inner wall of the outer tube 103, and temporarily enter the avoiding through parts 1011 of the inner tube 101, as the outer tube 103 continues to move downward, when the outer tube 103 contacts the abutting part 1021 of the sliding sleeve 102, the barb parts 1022 rebound under the action of elasticity and are clamped into the clamping grooves 1031 of the inner wall of the outer tube 103, at this time, the barb parts 1022 and the abutting part 1021 of the sliding sleeve 102 respectively abut against the bottom of the outer tube 103 and the clamping grooves 1031, so as to fix the sliding sleeve 102 in the outer tube 103, thereby achieving the fixing without using fasteners such as bolts, saving the cumbersome tightening process, greatly simplifying the installation steps, improving the overall installation efficiency, and also reducing the requirement for the technical level of the installer, so that ordinary users can easily complete the installation of the sliding sleeve 102.

[0055] The sliding sleeve 102 further comprises at least two pairs of circumferential array of elongated reinforcing parts 1023; wherein the elongated reinforcing parts 1023 are arranged to improve the overall strength of the sliding sleeve 102.

[0056] The lifting table leg 1 further comprises an outer tube cover plate 104 arranged on the top of the outer tube 103; wherein the outer tube cover plate 104 is connected with the longitudinal beam 3; wherein the outer tube cover plate 104 and the longitudinal beam 3 are connected in a movable manner, but are not limited to; wherein the outer tube cover plate 104 is arranged to prevent dust and sundries from entering the outer tube 103 to affect the normal sliding of the sliding sleeve 102.

[0057] The lifting table leg 1 further comprises a gear box 105 arranged on the bottom of the outer tube cover plate 104, a lead screw 106 connected with the gear box 105, a nut seat 107 arranged on the top of the inner tube 101, and at least two circumferential arrays of sliding pieces 108 arranged on the outer wall of the inner tube 101; wherein the inner wall of the outer tube 103 is adapted to slide with the sliding pieces 108; the lead screw 106 and the nut seat 107 are engaged; and when the gear box 105 drives the lead screw 106 to rotate, the lead screw 106 and the nut seat 107 are engaged to drive the gear box 105 to move relative to the nut seat 107, so that the outer tube 103 drives the sliding sleeve 102 to slide on the inner tube 101; wherein the gear box 105 serves as a transmission mechanism to provide rotary power for the lead screw 106; wherein the sliding pieces 108 are optimally arranged in four, and are arranged on the four faces of the inner tube 101, respectively.

[0058] In this embodiment, when the gear box 105 receives the driving of the power source, the transmission mechanism inside it starts to work, drives the lead screw 106 to rotate, and the lead screw 106 and the nut seat 107 are engaged to convert the rotary motion into linear motion. With the rotation of the lead screw 106, the gear box 105, the outer tube cover plate 104 and the outer tube 103 rise or fall along the axis direction of the lead screw 106 relative to the nut seat 107. At the same time, the inner wall of the outer tube 103 slides along the sliding pieces 108 on the outer wall of the inner tube 101, providing smooth guidance and support. By controlling the driving of the gear box 105, the height of the outer tube 103 relative to the inner tube 101 is conveniently adjusted, and the height adjustment of the table top is realized.

[0059] Transmission rod 5 is arranged between the two gear boxes 105; the outer side of the transmission rod 5 is sleeved with a worm gear box 6; the worm gear box 6 is fixed on any outer pipe cover plate 104; the bottom of the worm gear box 6 is connected with a driving motor 7; the driving motor 7 is suitable for driving the transmission rod 5 to rotate through the worm gear box 6, and the transmission rod 5 drives the lead screw 106 to rotate through the gear box 105, so that the lifting table leg 1 is lifted; the outer pipe 103 is provided with a avoiding through hole, so that the transmission rod 5 is avoided, and the transmission rod 5 is connected with the gear box 105 and does not affect the normal rotation of the transmission rod 5; the transmission rod 5 is a hexagonal rod, but is not limited to; the transmission rod 5 is connected with the two gear boxes 105, so that synchronous transmission of power is realized; the worm gear box 6 is arranged, so that the high-speed rotation of the driving motor 7 is converted into low-speed and high-torque rotation of the transmission rod 5, so that the lifting table leg 1 is stably lifted; the driving motor 7 is arranged, so that the required power for lifting the lifting table leg 1 is provided; the transmission rod 5 is telescopic, but is not limited to, so that the lifting table leg 1 is adjusted in transmission after the adjustment interval is adjusted along with the horizontal beam 2.

[0060] At least one table plate diagonal brace 8 is arranged on the two sides of the outer pipe 103; at least one Z-shaped card 9 is arranged on the horizontal beam 2; the table plate diagonal brace 8 and the Z-shaped card 9 are suitable for supporting and connecting the table plate; the table plate diagonal brace 8 is arranged, so that the stability between the table plate and the lifting table leg 1 is enhanced, and the table plate is prevented from being inclined or deformed under stress; the Z-shaped card 9 is arranged, so that a stable connection point is provided, and the table plate is conveniently fixed.

[0061] Two ground screws 10 are symmetrically arranged on the bottom of the foot plate 4; the ground screws 10 are adjusted in extension length by rotation, so that the overall height of the lifting table is finely adjusted, the lifting table is leveled on uneven ground, the stability and comfort of use are ensured, and the lifting table is leveled.

[0062] In the present application, each device (parts without specific structure) is a general standard part or a part known to those skilled in the art, and its structure and principle can be known by technical personnel through a technical manual or through a conventional experimental method.

[0063] In the description of the embodiments of the present application, unless otherwise clearly defined and limited, the terms "mounting", "connection" and "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0064] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not indicating or implying that the indicated device or element must have a particular orientation, a particular orientation structure and operation, therefore cannot be understood as the limitation of the utility model. In addition, the term "first", "second", "third" is only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0065] The above is the inspiration of the ideal embodiment according to the utility model, and through the above description, relevant staff can make various changes and modifications without deviating from the technical idea of the utility model. The technical scope of the utility model is not limited to the content in the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A two-post aluminum alloy lift table frame, characterized by, The utility model relates to a double-column aluminum alloy lifting table frame which comprises two symmetrical lifting table legs (1), each lifting table leg (1) comprising an inner tube (101), a sliding sleeve (102) and an outer tube (103). The inner tube (101) is provided with at least two circumferentially arranged avoiding through parts (1011) on the tube wall; The sliding sleeve (102) comprises an abutting part (1021) on the lateral side of the sliding sleeve (102) and at least two circumferentially arranged barb parts (1022) on the top of the sliding sleeve (102); wherein The sliding sleeve (102) is located between the inner tube (101) and the outer tube (103); and The abutting part (1021) is in contact with the bottom of the outer tube (103); The inner wall of the lower part of the outer tube (103) is provided with at least two circumferentially arranged clamping grooves (1031); When the outer tube (103) is adapted to be sleeved on the inner tube (101), the barb parts (1022) are deformed by extrusion and located in the avoiding through parts (1011); When the outer tube (103) continuously moves downward and is in contact with the abutting part (1021), the barb parts (1022) are clamped into the clamping grooves (1031) to install the sliding sleeve (102); A cross beam (2) is connected to the lateral sides of the two outer tubes (103); Longitudinal beams (3) are arranged on the two sides of the cross beam (2) and connected to the top of the two outer tubes (103); A foot plate (4) is connected to the bottom of the inner tube (101).

2. The double-column aluminum alloy lifting table frame according to claim 1, wherein The sliding sleeve (102) further comprises at least two pairs of circumferentially arranged elongated reinforcing parts (1023).

3. The double-column aluminum alloy lifting table frame according to claim 2, wherein The lifting table leg (1) further comprises an outer tube cover plate (104) arranged on the top of the outer tube (103); wherein The outer tube cover plate (104) is connected to the longitudinal beam (3).

4. The double-column aluminum alloy lifting table frame according to claim 3, wherein The lifting table leg (1) further comprises a gear box (105) arranged on the bottom of the outer tube cover plate (104), a lead screw (106) connected to the gear box (105), a nut seat (107) arranged on the top of the inner tube (101) and at least two circumferentially arranged sliding pieces (108) arranged on the outer wall of the inner tube (101); wherein The inner wall of the outer tube (103) is adapted to slide with the sliding pieces (108); The lead screw (106) is engaged with the nut seat (107); and When the gear box (105) drives the lead screw (106) to rotate, the lead screw (106) is engaged with the nut seat (107) to drive the gear box (105) to move relative to the nut seat (107), so that the outer tube (103) drives the sliding sleeve (102) to slide on the inner tube (101).

5. The double-column aluminum alloy lifting table frame according to claim 4, wherein Transmission rods (5) are arranged between the two gear boxes (105); Worm gear boxes (6) are sleeved on the outer sides of the transmission rods (5); wherein The worm gear boxes (6) are fixed on any outer tube cover plate (104); and ​ The bottom of the worm gear box (6) is connected with a driving motor (7); The driving motor (7) is adapted to drive the transmission rod (5) to rotate through the worm gear box (6), and the transmission rod (5) drives the lead screw (106) to rotate through the gear box (105), so as to realize the lifting of the lifting table leg (1).

6. The double upright column aluminum alloy lifting table frame according to claim 5, characterized in that, At least one table plate diagonal brace (8) is arranged on each side of the outer tube (103); At least one Z-shaped card (9) is arranged on the cross beam (2); wherein Each table plate diagonal brace (8) and Z-shaped card (9) are adapted to support and connect the table plate.

7. The double upright column aluminum alloy lifting table frame according to claim 6, characterized in that, Two ground screws (10) are arranged on the bottom of the foot plate (4) in a symmetrical manner.

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