阅读说明：本技术 一种升降柱 (Lifting column ) 是由 李小司 于 2019-09-03 设计创作，主要内容包括：本发明涉及路障产品领域。本发明涉及升降柱,升降柱的一种方案包括机架组件；动力元件,所述动力元件固定在所述机架组件上,包括壳体与驱动轴,所述驱动轴转动连接于所述壳体上,且所述驱动轴上设有供操作以驱动所述驱动轴转动的操作部,所述壳体上对应所述操作部设有第一通孔；柱体,所述柱体能够随所述驱动轴的转动相对所述机架组件沿所述驱动轴的轴向运动。升降柱的一种方案通过在动力元件的驱动轴上设置供操作以驱动轴转动的操作部,以及在动力元件的壳体以及柱体上设置对应操作部的通孔,使得升降柱在断电情况下也能够接收外界的操作而升降。(The present invention relates to the field of barrier products. The invention relates to a lifting column, one solution of which comprises a frame assembly; the power element is fixed on the rack assembly and comprises a shell and a driving shaft, the driving shaft is rotationally connected to the shell, an operation part for driving the driving shaft to rotate is arranged on the driving shaft, and a first through hole is formed in the shell corresponding to the operation part; a cylinder movable relative to the housing assembly along an axial direction of the drive shaft with rotation of the drive shaft. One scheme of the lifting column is that an operation part for operation to drive the rotation of the shaft is arranged on the driving shaft of the power element, and through holes corresponding to the operation part are arranged on the shell and the column body of the power element, so that the lifting column can receive external operation to lift under the condition of power failure.)

1. A lifting column is characterized by comprising

A rack assembly;

the power element is fixed on the rack assembly and comprises a shell and a driving shaft, the driving shaft is rotationally connected to the shell, an operation part for driving the driving shaft to rotate is arranged on the driving shaft, and a first through hole is formed in the shell corresponding to the operation part;

a cylinder movable relative to the housing assembly along an axial direction of the drive shaft with rotation of the drive shaft.

2. The lifting column according to claim 1, wherein the column body is sleeved on the outer side of the power element, a second through hole corresponding to the first through hole is formed in the end face, close to the operating portion, of the column body, and a disassembly-preventing threaded fastener is connected in the second through hole in a threaded manner.

3. The lifting column according to claim 1, further comprising a cover, wherein the column body is sleeved outside the power element, and the end of the column body close to the operating part is connected with the cover through a disassembly-preventing threaded fastener.

4. A lifting column according to claim 1, characterised in that the operating part is an end part of the drive shaft protruding from the first through hole, an axial polygonal operating hole being provided on an end face of the end part, or the outer circumferential profile of the end part being polygonal.

5. The lifting column according to claim 1, further comprising a lead screw and a lead screw nut, wherein one end of the lead screw is fixedly connected with the driving shaft, the other end of the lead screw is rotatably connected with the frame assembly, the lead screw nut is in threaded connection with the lead screw, and the column body is fixedly connected with the lead screw nut.

6. The lifting column of claim 1, wherein the frame assembly includes a base, a connecting rod and a power base, the connecting rod is fixedly connected to the base at one end and to the power base at the other end, the connecting rod is disposed along the axial direction, and the power element is fixed to the power base.

7. The lifting column of claim 1, further comprising a mounting plate, wherein the frame assembly includes a base, a plurality of the mounting plates are fixedly connected to the base circumferentially, the mounting plates extend in a radial direction of the drive shaft, and threaded fasteners are threadedly connected to the mounting plates and extend in the axial direction.

8. The lifting column of claim 1, further comprising a guide rod fixedly attached to the frame assembly and extending in the axial direction, and a guide sleeve fixedly attached to the column body and slidably coupled to the guide rod.

9. The lifting column according to claim 1, further comprising a first positioning member, a second positioning member and a third positioning member, wherein the first positioning member and the second positioning member are fixedly connected to the frame assembly along the axial direction, the third positioning member is fixedly connected to the column body, when the column body moves to a first setting position relative to the frame assembly in a direction away from the power element, the third positioning member abuts against the first positioning member, and when the column body moves to a second setting position relative to the frame assembly in a direction close to the power element, the third positioning member abuts against the second positioning member.

10. The lifting column according to claim 1, further comprising a first sensor, a second sensor and a triggering device, wherein the first sensor and the second sensor are fixedly connected to the frame assembly along the axial direction, the triggering device is fixedly connected to the column body, the triggering device triggers the first sensor when the column body moves to a first setting position relative to the frame assembly in a direction away from the power element, and the triggering device triggers the second sensor when the column body moves to a second setting position relative to the frame assembly in a direction close to the power element.

Technical Field

The invention relates to the technical field of roadblock products, in particular to a lifting column.

Background

The lifting column is widely applied to vehicle entrances and exits of buildings, can be controlled to stretch out and draw back, and can prevent vehicles from entering the lifting column when extending out of the ground, so that property and life safety inside the lifting column are protected. At present, the lifting motion of the lifting column mainly adopts hydraulic pressure as power, and the lifting column is guided through a guide rod. The lifting column needs to consider the lifting problem under the condition of power failure, and the hydraulically driven lifting column can only open the pressure release valve through the storage battery when the power failure occurs, so that the column body is lowered by the self weight and cannot be lifted, and the situation that the column body needs to be stretched out when the power failure occurs is difficult to deal with.

Disclosure of Invention

The present invention solves at least one of the technical problems of the related art to some extent. To this end, it is an object of embodiments of the present invention to provide a lifting column that is capable of being raised and lowered in the event of a power outage.

The technical scheme adopted by the embodiment of the invention is as follows:

there is provided a lifting column comprising

A rack assembly;

the power element is fixed on the rack assembly and comprises a shell and a driving shaft, the driving shaft is rotationally connected to the shell, an operation part for driving the driving shaft to rotate is arranged on the driving shaft, and a first through hole is formed in the shell corresponding to the operation part;

a cylinder movable relative to the housing assembly along an axial direction of the drive shaft with rotation of the drive shaft.

Furthermore, the cylinder is sleeved on the outer side of the power element, a second through hole corresponding to the first through hole is formed in the end face, close to the operation portion, of the cylinder, and a disassembly-preventing threaded fastener is connected in the second through hole in a threaded mode.

The cylinder is sleeved outside the power element, and the end part, close to the operating part, of the cylinder is connected with the sealing cover through an anti-disassembly threaded fastener.

Further, the operation part is an end part of the driving shaft extending out of the first through hole, an axial polygonal operation hole is formed in an end face of the end part, or the outer peripheral contour of the end part is polygonal.

Furthermore, the automatic feeding device also comprises a screw rod and a screw nut, wherein one end of the screw rod is fixedly connected with the driving shaft, the other end of the screw rod is rotatably connected with the rack assembly, the screw nut is in threaded connection with the screw rod, and the cylinder is fixedly connected with the screw nut.

Further, the frame subassembly includes base, connecting rod and engine base, the one end of connecting rod with base fixed connection, the other end with engine base fixed connection, just the connecting rod is followed the axial sets up, power component fixes on the engine base.

Further, still include the mounting panel, the frame subassembly includes the base, the circumference of base is gone up fixedly connected with a plurality of the mounting panel, the mounting panel is followed the radial extension of drive shaft, threaded connection has threaded fastener on the mounting panel, threaded fastener follows axial extension.

The guide rod is fixedly connected to the rack assembly and extends along the axial direction, and the guide sleeve is fixedly connected to the column body and is in sliding connection with the guide rod.

The power element is arranged on the frame component, the column body is fixedly connected with the column body, the first positioning piece and the second positioning piece are axially and fixedly connected to the frame component, the third positioning piece is fixedly connected with the column body, when the column body is opposite to the frame component and moves to a first set position in the direction away from the power element, the third positioning piece is abutted against the first positioning piece, and when the column body is opposite to the frame component and moves to a second set position in the direction close to the power element, the third positioning piece is abutted against the second positioning piece.

The cylinder is fixedly connected with the frame assembly in the axial direction, the cylinder moves to a first set position relative to the frame assembly in the direction away from the power element, the trigger device triggers the first sensor, and the cylinder moves to a second set position relative to the frame assembly in the direction close to the power element, the trigger device triggers the second sensor.

The embodiment of the invention has the following beneficial effects:

according to the embodiment of the invention, the operation part for operating to drive the driving shaft to rotate is arranged on the driving shaft of the power element, and the through holes corresponding to the operation part are arranged on the shell and the column body of the power element, so that the lifting column can be lifted by receiving external operation under the condition of power failure.

Drawings

FIG. 1 is a schematic perspective view of a first embodiment;

FIG. 2 is a schematic cross-sectional view of section A-A of FIG. 1;

FIG. 3 is a perspective view of the second embodiment;

FIG. 4 is a perspective view of the third embodiment;

FIG. 5 is a schematic cross-sectional view of section B-B of FIG. 4;

FIG. 6 is a perspective view of the fourth embodiment;

FIG. 7 is a schematic perspective view of the fifth embodiment;

fig. 8 is a perspective view of the sixth embodiment.

Detailed Description

This section will describe in detail embodiments of the present invention, which are illustrated in the accompanying drawings, the purpose of which is to supplement the description of the text of the description with figures so that each technical feature and the whole technical solution of the embodiments of the present invention can be intuitively and visually understood, but it should not be construed as limiting the scope of the present invention.

In the description of the present invention, if an orientation description is referred to, for example, the orientations or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the orientations or positional relationships shown in the drawings, only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. If a feature is referred to as being "disposed," "secured," or "connected" to another feature, it can be directly disposed, secured, or connected to the other feature or be indirectly disposed, secured, or connected to the other feature.

In the description of the embodiments of the present invention, if "a number" is referred to, it means one or more, if "a plurality" is referred to, it means two or more, if "greater than", "less than" or "more than" is referred to, it is understood that the number is not included, and if "greater than", "lower" or "inner" is referred to, it is understood that the number is included. If reference is made to "first" or "second", this should be understood to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of the indicated features.

In addition, unless defined otherwise, technical and scientific terms used in the embodiments of the present invention have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

First embodiment

Referring to fig. 1, fig. 1 shows a perspective view of a first embodiment. The visible portion of fig. 1 includes a frame assembly 100, a column 200 and a transmission assembly 300, and fig. 1 also includes invisible power components, wherein the frame assembly 100 is used as a bearing structure and includes a base 110 and connecting rods 120, the bottom ends of the connecting rods 120 are fixedly connected to the base 110, and three connecting rods 120 are provided in this embodiment. The transmission assembly 300 comprises a lead screw 310 and a lead screw nut 320, wherein the bottom end of the lead screw 310 is rotatably connected with the base 110 through a bearing, and the lead screw nut 320 is in threaded connection with the lead screw 310. The column 200 and the lead screw nut 320 are fixedly connected by welding and the like. The lead screw 310 is driven by a power element to rotate, so that the column 200 is driven to lift through the lead screw nut 320.

Referring to fig. 2, fig. 2 shows a schematic cross-sectional view of section a-a of fig. 1. In addition to the structure visible in fig. 1, fig. 2 also shows the power element 400 and the power base 130 of the frame assembly 100, the power element 400 in this embodiment is a rotating motor, which includes a housing 410 and a driving shaft 420, the driving shaft 420 is rotatably connected to the housing 410 by a known structure, the top end of the driving shaft 420 extends from the first through hole at the top of the housing 410 to form an operating portion 421, and the bottom end of the driving shaft 420 is fixedly connected to the top end of the screw rod 310. The operation portion 421 is provided with an inner hexagonal operation hole extending in the axial direction of the drive shaft 420, but the inner hexagonal operation hole may be replaced with a polygonal operation hole having another shape such as a triangle, a quadrangle, or a pentagon.

The column 200 is sleeved outside the power member 400, thereby helping to reduce the volume of the lifting column. The top end (i.e., the end close to the operating portion 421) of the cylinder 200 is connected to a cover 220 by a detachment prevention threaded fastener 210, and the cover 220 is provided with a second through hole coaxial with the first through hole, and the second through hole is internally and threadedly connected with a detachment prevention threaded fastener 230. Based on the above structure, when the power failure occurs, an external tool can be used to extend into the internal hexagonal operation hole of the operation portion 421, and the driving shaft 420 is driven to rotate by external power, so as to realize the ascending and descending of the lifting column under the power failure condition. Meanwhile, the present embodiment is provided with the sealing cap 220, and when a thin tool is used, only the disassembly prevention threaded fastener 230 in the second through hole may be disassembled, and when a thick tool is used, the sealing cap 220 may be directly disassembled, thereby being applicable to different situations.

The disassembly-preventing threaded fastener can adopt known technologies including but not limited to an inner pentagonal anti-theft screw, an inner quincunx anti-theft screw, a Y-shaped anti-theft screw, an outer triangular anti-theft screw, an inner triangular anti-theft screw, a two-point anti-theft screw, an eccentric hole anti-theft screw and the like, and the condition of mistaken disassembly can be reduced or avoided by adopting the disassembly-preventing threaded fastener.

Second embodiment

Referring to fig. 3, fig. 3 is a schematic perspective view of a second embodiment, which is a modified embodiment of the first embodiment and is different from the first embodiment in that: the present embodiment further comprises a guide rod 510 and a guide sleeve 520, wherein the bottom end of the guide rod 510 is fixedly connected to the base 110 and extends along the axial direction of the driving shaft 420, and the guide sleeve 520 is fixedly connected to the outer side of the column 200 through a mounting seat 530 and is slidably connected to the guide rod 510. The guide rods 510 and the guide sleeves 520 are arranged to accurately guide the lifting movement of the column 200, in this embodiment, three sets of guide rods 510 and guide sleeves 520 are arranged, and the three guide rods 510 are uniformly distributed along the axial direction of the column 200.

Third embodiment

Referring to fig. 4 and 5, fig. 4 is a schematic perspective view of a third embodiment, fig. 5 is a schematic cross-sectional view of a section B-B in fig. 4, and this embodiment is a modified embodiment of the second embodiment, which is different from the third embodiment in that: the present embodiment further includes a housing 600, the housing 600 is sleeved outside the guide rod 510 and fixedly connected to the base 110, and the housing 600 can protect the guide rod 510, the guide sleeve 520, the column 200, the screw rod 310, and other components inside.

Fourth embodiment

Referring to fig. 6, fig. 6 is a schematic perspective view of a fourth embodiment, which is a modified embodiment of the first embodiment and is different from the first embodiment in that: the present embodiment is further provided with a plurality of mounting plates 710, the plurality of mounting plates 710 are uniformly fixed on the base 110 along the circumferential direction of the base 110 and extend along the radial direction of the driving shaft 420, a threaded fastener 720 is screwed on the mounting plates 710, and the threaded fastener 720 extends along the axial direction of the driving shaft 420. During installation, the horizontal adjustment of the lifting column can be performed by adjusting the screwing distance of the threaded fastener 720.

Fifth embodiment

Referring to fig. 7, fig. 7 is a schematic perspective view of a fifth embodiment, which is a modified embodiment of the first embodiment and is different from the first embodiment in that: the present embodiment is further provided with a first positioning element 810, a second positioning element 820 and a third positioning element 830, the first positioning element 810 and the second positioning element 820 are fixedly connected to the rack assembly 100 along the axial direction of the driving shaft 420, specifically, the first positioning element 810 includes a connecting shaft 811 fixedly connected to the base 110 and a threaded fastener 812 screwed on the top of the connecting shaft 811, the second positioning element 820 is a stop ring fixedly connected to the base 110 through a not-shown connecting structure, the third positioning element 830 includes a collar 831 fixed on the outer side of the column 200 and a threaded fastener 832 screwed on the collar 831 and extending upward. When the column 200 moves to a first setting position (i.e., the position shown in fig. 7) relative to the frame assembly 100 in a direction away from the power element 400 (i.e., a downward direction), the collar 831 of the third positioning member 830 abuts against the threaded fastener 812 of the first positioning member 810; when the column 200 moves to the second setting position relative to the frame assembly 100 in a direction close to the power element 400 (i.e., in an upward direction), the threaded fastener 832 on the third positioning member 830 abuts against the second positioning member 820, and the first positioning member 810, the second positioning member 820 and the third positioning member 830 are all mechanical positioning structures, so that the column can be used for limiting in the case of power failure. The lifting stroke of the lifting column can be adjusted by adjusting the screwing distance between the threaded fastener 812 and the threaded fastener 832.

Sixth embodiment

Referring to fig. 8, fig. 8 is a schematic perspective view of a sixth embodiment, and this embodiment is a modified embodiment of the first embodiment, and is different from the first embodiment in that: in this embodiment, a first sensor 910, a second sensor 920 and a triggering device 930 are further provided, the first sensor 910 and the second sensor 920 are fixedly connected to the frame assembly 100 along the axial direction of the driving shaft 420, specifically, the base 110 is fixedly connected with a connecting plate 940, the connecting plate 940 extends along the axial direction of the driving shaft 420, the first sensor 910 is fixed at the bottom end of the connecting plate 940, the second sensor 920 is fixed at the top end of the connecting plate 940, the triggering device 930 is a collar fixed on the outer side of the column 200, when the column 200 moves to a first setting position (i.e. the position shown in fig. 8) relative to the frame assembly 100 in a direction away from the power element 400 (i.e. in a downward direction), the triggering device 930 triggers the first sensor 910, when the column 200 moves to a second setting position (i.e. in an upward direction) close to the power element 400 relative to the frame assembly 100, the triggering device 930, the embodiment is suitable for motion limiting under the condition of power-on.

The first sensor 910 and the second sensor 920 may employ known technologies, including but not limited to, a photoelectric sensor, a hall magnetic sensor, a travel switch, and the like.

Seventh embodiment

This embodiment is an alternative embodiment to the first embodiment, and differs from the first embodiment in that: in this embodiment, the detachable cover 220 is not provided, the top end of the column 200 is sealed by an integrated cover, and the integrated cover is provided with a second through hole.

Eighth embodiment

This embodiment is an alternative embodiment to the first embodiment, and differs from the first embodiment in that: in this embodiment, only the detachable cover 220 is provided, and the cover 220 is not provided with the second through hole.

Ninth embodiment

This embodiment is an alternative embodiment to the first embodiment, and differs from the first embodiment in that: the operation portion 421 is not provided with a polygonal operation hole, but the outer circumference of the operation portion 421 is provided with a polygonal shape, and can be operated by an external tool to drive the driving shaft 420 to rotate.

The embodiments of the present invention have been described in detail, but the present invention is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope of the present invention defined by the claims. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.