External guiding lifting column
By providing guide bearings and guide grooves of the load member on the outside of the lifting column, external guidance of the load member is realized, solving the problem of side deviation of the load member in the lightweight lifting column and improving the lifting accuracy.
Patent Information
- Application Number
- CN202421415180.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-06-20
AI Technical Summary
In the case of lightweight, existing lifting columns are prone to the problem of load side deviation, resulting in the product cantilever or load side deviation on it.
The externally guided lifting column design is adopted, and the load member is guided on the outside of the lifting column through the cooperation of the load member and the guide bearing. The specific implementation method is that the load member is installed at the end of the lift pipe, the extension is equipped with a guide groove, the guide bearing is installed on the side wall of the lift pipe, and the guide groove of the extension is connected to the guide bearing to guide the load member during the lifting process. .
It effectively solves the problem of load part side deviation when the lifting column is lightweight, ensures the lateral accuracy of the load part during the lifting process, and avoids the cantilever and side deviation of the load part.
Smart Images
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Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of lifting equipment, in particular to an externally guided lifting column. Background Art
[0002] The guidance of existing lifting columns mainly relies on the internal structure of the lifting columns to ensure lateral accuracy during lifting. However, for lightweight lifting columns, the lateral width and length are small, and the products installed on them are prone to cantilevering and lateral deviation of the load. Utility Model Content
[0003] Purpose of the utility model: to provide an externally guided lifting column, in which a load part and a guide bearing cooperate with each other, and in the process of the lifting column driving the load part to rise and fall, the guide bearing guides the load part on the outside of the lifting column, thereby solving the problem of lateral deviation of the load part in the existing lifting column.
[0004] The technical solution of the utility model is: an externally guided lifting column comprises: a load member, a guide bearing, and at least one lifting tube.
[0005] The load-bearing member is installed at the end of one section of the lifting tube, and the load-bearing member is provided with an extension portion, which extends toward the other section of the lifting tube by a predetermined distance, and a guide groove is provided on a side of the extension portion close to the lifting tube.
[0006] The guide bearing is installed on the side wall of another section of the lifting tube.
[0007] The inner wall of the guide groove of the extension portion is connected to the outer wall of the guide bearing.
[0008] In a further embodiment, the lifting column comprises: two rows of guide bearings, wherein the guide bearings in one row are connected to one inner wall of the guide groove, and the guide bearings in the other row are connected to the other inner wall of the guide groove.
[0009] In a further embodiment, the two rows of guide bearings are arranged in a staggered manner.
[0010] In a further embodiment, the four guide bearings are a first bearing, a second bearing, a third bearing and a fourth bearing arranged in sequence from top to bottom, and the first bearing, the second bearing, the third bearing and the fourth bearing are arranged in an alternating distribution.
[0011] The first bearing and the third bearing are distributed along the first column, so that the first bearing and the third bearing of the first column are connected to an inner wall of the guide groove.
[0012] The second bearing and the third bearing are distributed along the second row, so that the first bearing and the third bearing of the second row are connected to the other inner wall of the guide groove.
[0013] In a further embodiment, the guide bearing is provided with an annular groove, and the inner wall of the guide groove is provided with a protrusion, and the protrusion cooperates with the annular groove in a concave-convex manner, so that the guide bearing can limit the lateral direction of the guide groove.
[0014] In a further embodiment, the lifting column comprises: a first section of the lifting tube and a second section of the lifting tube, wherein the first section of the lifting tube is sleeved on the second section of the lifting tube.
[0015] The load member is installed on the end of the second lifting tube, and the guide bearing is installed on the side wall of the first lifting tube.
[0016] The beneficial effects of the utility model are as follows: the application provides the product with an extension part and a guide groove structure identical to those of the load part, or uses the load part to install the product, then connects the load part to a lifting tube in the lifting column, and provides a guide bearing on the outside of the other lifting tube; provides an extension part extending toward the other lifting tube under the load part, and provides a guide groove on the extension part, so that the guide groove cooperates with the guide bearing, and guides the load part on the outside of the lifting column through the guide bearing during the process of the lifting column driving the load part to rise and fall, thereby solving the problem of the existing lifting column being prone to lateral deviation of the load part. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the explosion structure of the utility model.
[0018] Figure 2 It is an enlarged schematic diagram of the guide bearing distribution of the utility model.
[0019] Figure 3 It is a partially enlarged schematic diagram of the guide groove of the utility model.
[0020] The reference numerals shown in the figure are: load member 100 , guide groove 101 , protrusion 102 , guide bearing 200 , first bearing 201 , second bearing 202 , third bearing 203 , first section lifting tube 300 , second section lifting tube 400 . DETAILED DESCRIPTION
[0021] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.
[0022] The utility model discloses an externally guided lifting column, in which a load part and a guide bearing cooperate with each other, and when the lifting column drives the load part to lift, the guide bearing guides the load part at the outside of the lifting column, thereby solving the problem that the load part is prone to lateral deviation in the existing lifting column.
[0023] like Figure 1-3 The externally guided lifting column shown comprises a load-bearing member 100, a guide bearing 200, and at least one lifting tube.
[0024] The load member 100 is installed at the end of one section of the lifting tube. The load member 100 is provided with an extension portion, which extends to the other section of the lifting tube by a predetermined distance. A guide groove 101 is provided on one side of the extension portion close to the lifting tube.
[0025] The guide bearing 200 is installed on the side wall of another section of the lifting tube.
[0026] The inner wall of the guide groove 101 of the extension portion is connected to the outer wall of the guide bearing 200 .
[0027] Regarding the lifting tube, such as Figure 1 The lifting column shown includes: a first lifting tube section 300 and a second lifting tube section 400 , and the first lifting tube section 300 is sleeved on the second lifting tube section 400 .
[0028] The load member 100 is installed on the end of the second section of the lifting tube 400 , and the guide bearing 200 is installed on the side wall of the first section of the lifting tube 300 .
[0029] Regarding the guide bearing 200, Figure 1 and 2 The lifting column shown includes: two rows of guide bearings 200 , wherein one row of guide bearings 200 is connected to one inner wall of the guide groove 101 , and the other row of guide bearings 200 is connected to the other inner wall of the guide groove 101 .
[0030] like Figure 2 The two rows of guide bearings 200 are shown to be arranged in a staggered manner.
[0031] like Figure 2 The four guide bearings 200 shown are a first bearing 201 , a second bearing 202 , a third bearing 203 and a fourth bearing which are arranged in sequence from top to bottom. The first bearing 201 , the second bearing 202 , the third bearing 203 and the fourth bearing are arranged in an alternating distribution.
[0032] The first bearing 201 and the third bearing 203 are distributed along the first row, so that the first bearing 201 and the third bearing 203 of the first row are connected to an inner wall of the guide groove 101 .
[0033] The second bearing 202 and the third bearing 203 are distributed along the second row, so that the first bearing 201 and the third bearing 203 of the second row are connected to the other inner wall of the guide groove 101 .
[0034] The two rows of guide bearings 200 are staggeredly arranged, so that the first bearings 201 and the third bearings 203 of the first row can rotate in the same direction, and the second bearings 202 and the third bearings 203 of the second row can rotate in the same direction during the lifting process of the load member 100.
[0035] In this embodiment, the guide bearing 200 is provided with an annular groove, and the inner wall of the guide groove 101 is provided with a protrusion 102, such as Figure 3 The protrusion 102 shown matches the annular groove in a concave-convex manner, so that the guide bearing 200 can limit the lateral position of the guide groove 101 .
[0036] Working principle: A driving device is provided in the first lifting tube 300 and the second lifting tube 400, and the driving device drives the second lifting tube 400 and the load member 100 to move up and down. During the lifting and moving process of the second lifting tube 400 and the load member 100, the inner wall of the guide groove 101 is connected with the outer wall of the guide bearing 200 so that the guide bearing 200 guides the load member 100 on the outside of the lifting column.
[0037] As described above, although the present invention has been shown and described with reference to specific preferred embodiments, it should not be interpreted as limiting the present invention itself. Various changes can be made to it in form and detail without departing from the spirit and scope of the present invention defined in the appended claims.
Claims
1. An externally guided lifting column, characterized in that: include: A load member, a guide bearing, and at least one lift tube; The load-bearing member is installed at the end of one section of the lifting tube, and the load-bearing member is provided with an extension portion, and the extension portion extends a predetermined distance toward the other section of the lifting tube, and a guide groove is provided on a side of the extension portion close to the lifting tube; The guide bearing is installed on the side wall of another section of the lifting tube; The inner wall of the guide groove of the extension portion is connected to the outer wall of the guide bearing.
2. An externally guided lifting column according to claim 1, characterized in that: include: The guide bearings in two rows are connected to one inner wall of the guide groove in one row, and the guide bearings in the other row are connected to the other inner wall of the guide groove in the other row.
3. An externally guided lifting column according to claim 2, characterized in that: The two rows of guide bearings are arranged in a staggered distribution.
4. An externally guided lifting column according to claim 3, characterized in that: The four guide bearings are a first bearing, a second bearing, a third bearing and a fourth bearing which are arranged in sequence from top to bottom, and the first bearing, the second bearing, the third bearing and the fourth bearing are arranged in a staggered distribution; The first bearing and the third bearing are distributed along the first row, so that the first bearing and the third bearing of the first row are connected to an inner wall of the guide groove; The second bearing and the third bearing are distributed along the second row, so that the first bearing and the third bearing of the second row are connected to the other inner wall of the guide groove.
5. The externally guided lifting column according to claim 1, characterized in that: The guide bearing is provided with an annular groove, and the inner wall of the guide groove is provided with a convex portion, and the convex portion is matched with the annular groove in a concave-convex manner.
6. The externally guided lifting column according to claim 1, characterized in that: include: a first section of lifting pipe and a second section of lifting pipe, wherein the first section of lifting pipe is sleeved on the second section of lifting pipe; The load member is installed on the end of the second section of the lifting tube, and the guide bearing is installed on the side wall of the first section of the lifting tube.