CN220832271U - Height-adjustable lifting upright post - Google Patents

Abstract

The utility model provides a height-adjustable lifting stand column, which comprises a supporting piece, a lifting sleeve and a handle, wherein the handle is arranged on the surface of the supporting piece and is embedded with the surface of the supporting piece, so that the handle can be pulled out and rotated to adjust the height of the lifting sleeve during working, and can be embedded with the surface of the supporting piece during storage to form a decoration piece.

Description

Height-adjustable lifting upright post

Technical Field

The utility model relates to the field of height adjusting devices, in particular to a height-adjustable lifting upright post.

Background

Lifting columns are widely used in life, for example, lifting columns are often used for lifting learning tables to adjust the height of the learning tables, but existing lifting adjustment columns usually need to be provided with a rotating handle to rotate to adjust the height of a lifting device, and the handle is usually exposed out of the table, so that the table looks more abrupt in appearance, and the handle is easy to collide due to the exposure, so that parts in the lifting columns are affected.

For example, in the lifting table patent CN 217185209, as shown in fig. 3, the handle 1 is mounted on the handle base 4, but the rotating handle of the handle 1 is still exposed to the outer end of the handle base 4, which makes the whole lifting table look not well-coordinated, the rotating part of the handle 1 is easily knocked during the process of carrying the lifting table, and the handle 1 is also easily damaged.

To this end, the present inventors have found a method for solving the above-mentioned problems through beneficial studies and studies, and the technical solutions to be described below are made in this context.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide a lifting upright post with adjustable height, wherein the height of the upright post is adjusted by rotating the handle through a handle which is arranged on a supporting piece and is flatly attached to the supporting piece, and the two functions of decoration are unified together; namely, when the handle is in a working state, the lifting sleeve is adjusted by rotating the handle; in the reset state of the handle, the handle is integrally hidden on the support.

The technical scheme of the utility model is realized as follows:

a height-adjustable lifting column comprising:

The lifting device comprises a support piece, a lifting sleeve and a handle, wherein a screw rod lifting assembly is arranged in the support piece, the screw rod lifting assembly acts on the lifting sleeve, a transmission column is preset in the handle, a transmission hole is formed in the screw rod lifting assembly, and a avoidance hole is preset in the support piece; the avoiding hole is concentric with the transmission hole, and the transmission column of the handle passes through the avoiding hole and is inserted into the transmission hole; the handle has a storage state and a rotation state: when the handle is in the storage state, the handle is attached to or embedded into the outer surface of the support piece to form a decoration piece; and pulling the handle away from the outer surface of the supporting piece, switching the handle to a rotating state, twisting the handle to drive the transmission column to rotate, and driving the screw rod lifting assembly to lift so as to adjust the height of the lifting sleeve.

Preferably, the lifting sleeve is provided with graduation marks in advance, the lifting height of the lifting sleeve can be determined by visual inspection of the graduation marks, the height of the lifting upright post is provided with dimension references by the aid of the graduation marks, and a user can conveniently adjust the lifting upright post according to own requirements.

Preferably, the embedding of the handle and the outer surface of the support member means that an integrally formed mounting groove is preset on the surface of the support member, which is in contact with the handle, and the integrally formed mounting groove ensures that the surface of the support member does not need to be provided with parts for accommodating the handle, and the design is simple and efficient; when the handle is in a storage state, the handle is embedded into the mounting groove; the handle embedded in the mounting groove is integrated with the supporting piece in appearance, so that the appearance of the lifting upright post is more coordinated.

Preferably, the handle further comprises a handle body, a screw and an elastic limit ring, wherein an integrally formed connecting sleeve is preset on the handle body, the connecting sleeve is vertical to the handle body, a threaded hole is preset at the end part of the transmission column, the elastic limit ring is concentric with the threaded hole, the screw penetrates through the elastic limit ring and is screwed into the threaded hole, a large hole and a small hole which are communicated in the axial direction are formed in the connecting sleeve, and only Rong Chuandong columns penetrate through the small hole, so that the head of the screw can be clamped on the step surfaces of the large hole and the small hole, and the sleeve cannot be separated from the screw in the axial direction; when the connecting sleeve moves, the screw and the elastic limit ring are positioned at corresponding positions in the large hole, and the moving range of the handle body is limited in the length range of the large hole.

Preferably, two ends of the large hole of the connecting sleeve are respectively provided with a limiting groove, the diameters of the elastic limiting ring and the limiting grooves are larger than the diameter of the large hole, when the handle is in a storage state and a rotating state, the elastic limiting ring is clamped in the corresponding limiting groove, when the handle body is pulled to enable the elastic limiting ring and the large hole to slide relatively, the elastic limiting ring is extruded and elastically deforms to generate resistance, and the handle cannot retract axially along the connecting sleeve when the handle rotates.

Preferably, the driving post of the handle passes through the avoiding hole and is inserted into one end of the driving hole, a limiting screw hole is further preset at the other end of the driving post opposite to the threaded hole, a screw is screwed into the limiting screw hole, and is clamped at the other end of the driving hole on the screw rod lifting assembly, so that the driving post is limited to deviate from along the axial direction.

Preferably, a circle of clamping groove is formed in the column body of the transmission column, a limiting clamp spring is arranged at the clamping groove, and the limiting clamp spring is attached to the orifice position of one end of the transmission hole and forms bidirectional limiting with a screw at the other end of the transmission column.

Preferably, the elastic limit ring is a rubber ring with elastic deformation capability, the rubber ring is light in weight, good in rebound resilience and low in use cost, and is convenient to install and replace.

Preferably, the upright post further comprises fixing legs, the fixing legs are symmetrically arranged on the left side and the right side of the lower end of the supporting piece, and the supporting piece is enabled to be more stable due to the symmetrical arrangement.

Preferably, the fixing leg is a hollow cylinder, a connecting plate is preset at the upper end of the fixing leg, a bifurcation part is arranged at the lower end of the supporting piece, a mounting through hole is formed in the connecting plate, a mounting screw hole is preset in the bifurcation part of the supporting piece, and a threaded fastener penetrates through the mounting through hole and is screwed into the mounting screw hole to connect the fixing leg with the supporting piece.

Preferably, a positioning groove and a mounting hole are preset in the support piece, a positioning block and a positioning screw hole are preset in the screw rod lifting assembly, the positioning block is clamped in the positioning groove, and a threaded fastener penetrates through the mounting hole and is screwed into the positioning screw hole to limit the movement trend of the screw rod lifting assembly relative to the support piece.

Preferably, the lifting range of the screw rod lifting assembly is 0-220mm.

Preferably, the handle is a flat strip.

The principle and beneficial effects of the utility model adopting the technical scheme are as follows:

The utility model aims to provide a lifting upright post with adjustable height, which comprises a supporting piece, a lifting sleeve and a handle, wherein the handle is arranged on the surface of the supporting piece and is attached to or embedded with the surface of the supporting piece, so that the handle can be pulled out and rotated to adjust the height of the lifting sleeve during working, and can also be attached to or embedded with the supporting piece during storage to form a decoration piece.

Drawings

FIG. 1 is an enlarged exploded view of the lifting column;

FIG. 2 is a partial cross-sectional view of the lead screw lift assembly;

FIG. 3 is a partial cross-sectional view of a support;

FIG. 4 is a schematic view of the support;

FIG. 5 is an exploded view of the handle in an embodiment;

FIG. 6 is a structural cross-sectional view of the handle in the embodiment;

FIG. 7 is a partial cross-sectional view of the handle body;

FIG. 8 is a partial cross-sectional view of a mount in an embodiment;

The reference numerals are as follows: 1-lifting sleeve, 2-supporting piece, 3-handle, 4-fixed leg, 5-supporting seat, 6-pipe sleeve, 11-lead screw lifting component, 101-scale mark, 1101-positioning block, 1102-positioning screw hole, 1103-transmission hole, 201-installation groove, 202-avoidance hole, 203-screw installation hole, 204-installation hole, 205-positioning groove, 206-bayonet, 207-installation screw hole, 31-decorative cover, 32-handle body, 33-screw, 34-elastic limit ring, 35-transmission column, 36-screw, 37-limit clamp spring, 311-clamp column, 321-clamp hole, 322-connecting sleeve, 323 limit groove, 324-small hole, 325-large hole, 351-limit screw hole, 352-screw hole, 353-clamp groove, 501-dismounting hole, 601-clamp plate.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.

The specific embodiments of the present utility model are as follows:

Example 1: as shown in fig. 1-5, the present embodiment provides a lifting column, which includes a supporting member 2, a lifting sleeve 1 and a handle 3, scale marks 101 are preset on the outer wall of the lifting sleeve 1, a screw rod lifting assembly 11 is installed in the supporting member 2, and the screw rod lifting assembly 11 acts on the lifting sleeve 1; the lifting range of the screw rod lifting assembly 11 in the upright post is configured to be 0-220mm;

Further, the handle 3 has a storage state and a rotation state: when the handle 3 is in the storage state, the handle 3 is attached to or embedded into the outer surface of the support 2 to form a decoration piece; besides the decoration function, the handle 3 is attached to the support piece 2, so that the damage problem caused by the collision of the handle 3 serving as an adjusting switch is effectively avoided; the handle 3 is pulled away from the outer surface of the supporting piece 2, the handle 3 is switched to a rotating state, the handle 3 is twisted to drive the transmission column 35 to rotate, the screw rod lifting assembly 11 is driven to lift so as to adjust the height of the lifting sleeve 1, and the handle 3 realizes double functions of decoration and lifting adjustment switch.

Still further, the mounting of the support 2 and the screw lifting assembly 11 is achieved by: the support 2 is internally preset with a positioning groove 205 and a mounting hole 204, the screw rod lifting assembly 11 is preset with a positioning block 1101 and a positioning screw hole 1102, and the positioning block 1101 is clamped in the positioning groove 205, so that the screw rod lifting assembly 11 is prevented from having a positioning reference in the support 2, and a threaded fastener penetrates through the mounting hole 204 and is screwed into the positioning screw hole 1102 to fix the screw rod lifting assembly 11 in the support 2. The tendency of the screw lifting assembly 11 to move axially relative to the support 2 is also limited.

The working principle of the screw assembly 11 is the prior art, and the description of the related content in the CN 212465295 patent is referred to, and will not be repeated here.

Furthermore, the handle 3 is a flat strip, the handle 3 is preset with a transmission column 35, the screw rod lifting assembly 11 is provided with a transmission hole 1103, and the support 2 is preset with a avoiding hole 202; the avoiding hole 202 is concentric with the transmission hole 1103, and the transmission column 35 of the handle 3 passes through the avoiding hole 202 and is inserted into the transmission hole 1103; the handle 3 corresponds to a lifting adjusting switch of the upright post; the lifting of the lifting sleeve 1 is realized by rotating the handle 3 so as to drive the transmission column 35 to rotate, so that the screw rod in the screw rod lifting assembly 11 rotates to drive the lifting sleeve 1 to slide up and down, and the height of the lifting sleeve 1 is accurately adjusted by observing the scale marks 101 on the surface of the lifting sleeve 1.

As shown in fig. 6-7, the handle further comprises a handle body 32, a screw 33 and an elastic limit ring 34, wherein the elastic limit ring 34 is a rubber ring with elastic deformation capability, an integrally formed connecting sleeve 322 is preset on the handle body 32, the connecting sleeve 322 is perpendicular to the handle body 32, and torque is applied to the connecting sleeve 322 when the handle body 32 rotates conveniently;

Further, the fixing of the elastic limit ring 34 is realized by the following steps: the end of the driving post 35 is preset with a threaded hole 352, the elastic limit ring 34 is concentric with the threaded hole 352, the screw 33 passes through the elastic limit ring 34 and is screwed into the threaded hole 352, and the elastic limit ring 34 is fixed on one side of the end of the driving post 35;

Still further, a large hole 325 and a small hole 324 are provided in the connecting sleeve 322, which are penetrated along the axial direction, the small hole 324 only allows the transmission column 35 to pass through, when the connecting sleeve 322 moves, the screw 33 and the elastic limit ring 34 are positioned at the corresponding positions in the large hole 325, and the movement range of the handle body 32 is limited within the length range of the large hole 325 due to the limitation of the screw 33, and the connecting sleeve 322 cannot be separated along the axial direction of the transmission column 35.

Still further, the axial limitation of the handle body 32 with respect to the transmission post 35 in the storage state and the rotation state of the handle 3 is achieved by: two ends of the large hole 325 of the connecting sleeve 322 are respectively provided with a limit groove 323, and the diameters of the elastic limit ring 34 and the limit groove 323 are both larger than the diameter of the large hole 325, so that the elastic limit ring 34 has enough installation space; the elastic limit rings 34 are clamped in the corresponding limit grooves 323 in the accommodating state and the rotating state of the handle 3 so as to complete the limit function of the handle 3;

In addition, because the elastic limit ring 34 is a rubber ring with elastic deformation capability, when the handle body 32 is pulled to enable the elastic limit ring 34 and the large hole 325 to slide relatively, the elastic limit ring 34 is extruded to generate elastic deformation so as to generate resistance, and when the handle 3 is in a rotating state, due to operation reasons, the connecting sleeve 322 on the handle body 32 can bear a part of axial force, and due to the existence of the resistance, the handle 3 is ensured not to retract easily along the axial direction when rotating.

As shown in fig. 6-7, the tendency of the drive post 35 to disengage along the drive aperture 1103 is prevented when the handle 3 is pulled away from the surface of the support 2: the screw mounting hole is preset on the opposite side of the avoidance hole 203 on the support member 2, the transmission column 35 of the handle 3 of the 203 penetrates through the avoidance hole 202 to be inserted into one end of the transmission hole 1103, a limit screw hole 351 is preset on the other end of the transmission column 35 opposite to the threaded hole 352, the screw 36 penetrates into the screw mounting hole 203 and is screwed into the limit screw hole 351, and is clamped on the other end of the transmission hole 1103 on the screw rod lifting assembly 11 to limit the transmission column 35 to deviate from axially.

As shown in fig. 6-7, when the handle 3 is gradually attached to the surface of the support 2, the movement tendency of the driving post 35 to come out along the driving hole 1103 is prevented by: the column body of the transmission column 35 is provided with a circle of clamping groove 353, the clamping groove 353 is provided with a limit clamp spring 37, the limit clamp spring 37 is attached to the orifice position of one end of the transmission hole 1103, and forms bidirectional limit with the screw 36 at the other end of the transmission column 35, so that the transmission column 35 is completely fixed in the axis direction, and the condition that the transmission column 35 slides out of the transmission hole 1103 is avoided.

As shown in fig. 1-5, the decorative effect of the handle 3 is achieved by: the surface that support piece 2 and handle 3 contacted is preset integrated into one piece's mounting groove 201, mounting groove 201 can be for support piece 2 surface indent or protrusion, and handle 3 is when accomodating the state, handle 3 embedding in mounting groove 201 is handle body 32 embedding mounting groove 201 promptly, and handle body 32 after the embedding is in the surface subsides of support piece 2 in the outward appearance, for letting this stand look more pleasing to the eye, can predetermine card hole 321 in handle body 3 outside, insert the card post 311 that presets on the decorative cover 31 in card hole 321, can predetermine different colours's mark and decorative pattern on the decorative cover 321, increase the decorative effect of handle 3.

As shown in fig. 1-5, the upright post further comprises fixing legs 4, the fixing legs 4 are symmetrically arranged at the left side and the right side of the lower end of the supporting piece 2, and the fixing legs 4 mainly play a role in stabilizing the supporting piece 2; the fixing leg 4 is a hollow cylinder, so that the weight of the fixing leg 4 is the lightest, and a connecting plate 41 is preset at the upper end of the fixing leg 4; the connecting plate 41 and the fixing leg 4 should be relatively fixed, the connecting plate 41 is usually welded on the fixing leg 4, a bifurcation part is respectively arranged at the lower end of the supporting member 2, a mounting through hole 411 is formed in the connecting plate 41, a mounting screw hole 207 is preset in the bifurcation part of the supporting member 2, and a threaded fastener penetrates through the mounting through hole 411 and is screwed into the mounting screw hole 207 to connect the fixing leg 4 and the supporting member 2 together.

Example 2: the difference between this embodiment and embodiment 1 is that the handle body 32 and the decorative cover 31 may be integrally formed, for example, when the handle body 32 is formed by demolding a mold, a pattern may be made inside the mold, and then the surface may be colored, so that the pillar may be decorated.

The other difference between this embodiment and embodiment 1 is that, as shown in fig. 1 and 8, the opposite side of the connection between the fixing leg 4 and the bifurcation of the supporting member 2 can also be symmetrically sleeved with the support 5, the cooperation between the support 5 and the fixing leg 4 is set to be interference fit, and the support 5 and the fixing leg are kept relatively fixed during the supporting and moving process of the upright post, so that the abrasion of the ground to the fixing leg 4 is avoided.

In addition, the support 5 is provided with a disassembling hole 501, which is mainly used for replacing and disassembling the support 5, the disassembling hole 501 is configured as a threaded through hole, a screw rod is conveniently screwed into the threaded through hole during disassembling, and the support 5 is pulled out from the fixing leg 4.

The further difference between this embodiment and embodiment 1 is that, considering that the pipe orifice of the supporting member 2 is most easily scratched and worn during the up-down sliding process of the lifting sleeve 1, in order to prevent the abrasion between the lifting sleeve 1 and the supporting member, a pipe sleeve 6 is disposed at the opening of the supporting member 2, and a through clamping hole 206 is preset on the outer wall of the supporting member 2, a clamping plate 601 is preset on the pipe sleeve 6, and the clamping plate 601 is clamped in the clamping hole 206; to slow down the wear of the parts between the lifting sleeve 1 and the support 2.

The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.

Claims (13)

1. A height-adjustable lifting column, characterized by comprising: the lifting device comprises a supporting piece (2), a lifting sleeve (1) and a handle (3), wherein a screw rod lifting assembly (11) is arranged in the supporting piece (2), the screw rod lifting assembly (11) acts on the lifting sleeve (1), a transmission column (35) is preset in the handle (3), a transmission hole (1103) is formed in the screw rod lifting assembly (11), and a avoidance hole (202) is preset in the supporting piece (2); the avoiding hole (202) is concentric with the transmission hole (1103), and the transmission column (35) of the handle (3) passes through the avoiding hole (202) and is inserted into the transmission hole (1103); the handle (3) has a storage state and a rotation state: when the handle (3) is in the storage state, the handle is attached to or embedded into the outer surface of the support piece (2) to form a decoration piece; the handle (3) is pulled away from the outer surface of the supporting piece (2), the handle (3) is switched to a rotating state, the handle (3) is twisted to drive the transmission column (35) to rotate, and the screw rod lifting assembly (11) is driven to lift so as to adjust the height of the lifting sleeve (1).

2. The height-adjustable lifting column according to claim 1, wherein: the lifting sleeve (1) is preset with size graduation marks (101), and the lifting height of the lifting sleeve (1) can be determined by visual inspection of the size graduation marks (101).

3. The height-adjustable lifting column according to claim 1, wherein: the handle (3) is embedded with the outer surface of the supporting piece (2), namely an integrally formed mounting groove (201) is preset on the contact surface of the supporting piece (2) and the handle (3), and the handle (3) is embedded into the mounting groove (201) when the handle (3) is in a storage state.

4. The height-adjustable lifting column according to claim 1, wherein: the handle further comprises a handle body (32), a screw (33) and an elastic limit ring (34), wherein an integrally formed connecting sleeve (322) is preset on the handle body (32), the connecting sleeve (322) is perpendicular to the handle body (32), a threaded hole (352) is preset at the end part of the transmission column (35), the elastic limit ring (34) is concentric with the threaded hole (352), the screw (33) penetrates through the elastic limit ring (34) and is screwed into the threaded hole (352), a large hole (325) and a small hole (324) penetrating along the axial direction are arranged in the connecting sleeve (322), the small hole (324) is only penetrated by a Rong Chuandong column (35), and when the connecting sleeve (322) moves, the screw (33) and the elastic limit ring (34) are positioned at corresponding positions in the large hole (325), and the moving range of the handle body (32) is limited in the length range of the large hole (325).

5. The height-adjustable lifting column according to claim 4, wherein: the two ends of the large hole (325) of the connecting sleeve (322) are respectively provided with a limit groove (323), the diameters of the elastic limit ring (34) and the limit grooves (323) are both larger than those of the large hole (325), when the handle (3) is in a storage state and a rotation state, the elastic limit ring (34) is clamped in the corresponding limit groove (323), and when the handle body (32) is pulled to enable the elastic limit ring (34) and the large hole (325) to slide relatively, the elastic limit ring (34) is extruded and elastically deforms to generate resistance.

6. The height-adjustable lifting column according to claim 4, wherein: the transmission column (35) of the handle (3) penetrates through the avoidance hole (202) to be inserted into one end of the transmission hole (1103), a limiting screw hole (351) is further preset at the other end of the transmission column (35) opposite to the threaded hole (352), a screw (36) is screwed into the limiting screw hole (351), and is clamped on the other end of the transmission hole (1103) of the screw rod lifting assembly (11), so that the transmission column (35) is limited to be separated along the axial direction.

7. The height-adjustable lifting column of claim 6, wherein: a circle of clamping groove (353) is formed in the column body of the transmission column (35), a limiting clamp spring (37) is arranged at the clamping groove (353), the limiting clamp spring (37) is attached to the orifice position at one end of the transmission hole (1103), and two-way limiting is formed between the limiting clamp spring and a screw (36) at the other end of the transmission column (35).

8. The height-adjustable lifting column according to claim 5, wherein: the elastic limit ring (34) is a rubber ring with elastic deformation capability.

9. The height-adjustable lifting column according to claim 1, wherein: the upright post also comprises fixing legs (4), wherein the fixing legs (4) are symmetrically arranged at the left side and the right side of the lower end of the supporting piece (2).

10. The height adjustable lifting column of claim 9, wherein: the fixing leg (4) is a hollow cylinder, a connecting plate (41) is preset at the upper end of the fixing leg (4), a bifurcation part is arranged at the lower end of the supporting piece (2), a mounting through hole (411) is formed in the connecting plate (41), a mounting screw hole (207) is preset in the bifurcation part of the supporting piece (2), a threaded fastener penetrates through the mounting through hole (411) and is screwed into the mounting screw hole (207), and the fixing leg (4) is connected with the supporting piece (2).

11. The height-adjustable lifting column according to claim 1, wherein: the screw rod lifting assembly is characterized in that a positioning groove (205) and a mounting hole (204) are preset in the supporting piece (2), a positioning block (1101) and a positioning screw hole (1102) are preset in the screw rod lifting assembly (11), the positioning block (1101) is clamped in the positioning groove (205), and a threaded fastener penetrates through the mounting hole (204) and is screwed into the positioning screw hole (1102) to limit the movement trend of the screw rod lifting assembly (11) relative to the supporting piece (2).

12. The height-adjustable lifting column according to claim 1, wherein: the lifting range of the screw rod lifting assembly (11) is 0-220mm.

13. The height-adjustable lifting column according to claim 1, wherein: the handle (3) is a flat strip-shaped body.