CN217565247U - Lifting leg and lifting table - Google Patents
Lifting leg and lifting table Download PDFInfo
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- CN217565247U CN217565247U CN202221670798.7U CN202221670798U CN217565247U CN 217565247 U CN217565247 U CN 217565247U CN 202221670798 U CN202221670798 U CN 202221670798U CN 217565247 U CN217565247 U CN 217565247U
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Abstract
The utility model relates to a height adjusting mechanism technical field especially relates to a lift leg and lift table. A lifting leg, comprising: the lower end of the supporting cylinder is connected with a base; the outer lifting cylinder is sleeved outside the supporting cylinder and can move up and down along the supporting cylinder; the inner connecting cylinder is positioned in the supporting cylinder, and the lower end of the inner connecting cylinder is connected with the base or the supporting cylinder; the fixed cylinder is connected to the upper end of the inner connecting cylinder and is provided with an internal thread; the screw rod is in threaded connection with the fixed cylinder; the bearing block is inserted at the upper end of the outer lifting cylinder and provided with a mounting hole, a main bevel gear and an auxiliary bevel gear which are mutually meshed are arranged in the mounting hole, and the auxiliary bevel gear is connected with the upper end of the screw rod; the main bevel gear is connected with a horizontal sleeve, and the outer lifting cylinder and the bearing block are provided with through holes matched with the horizontal sleeve. The utility model adopts a hand-operated operation mode to drive the lifting, and the operation is convenient; the crank is arranged on the side face of the table board, the position of the crank can be adjusted, and the rocker can be contained in the crank and does not hinder use.
Description
Technical Field
The utility model relates to a height adjusting mechanism technical field especially relates to a lift leg and lift table.
Background
At present, when a plurality of table tops are used, the height of the table tops needs to be adjusted; when the height is adjusted, most height adjusting feet are adopted at present, each height adjusting foot consists of a screw rod and a base, the use length of the height adjusting foot is adjusted by rotating the screw rods, and the purpose of adjusting the height is further achieved; in use, the height adjusting foot is inconvenient to operate, and when the weight of the table top is heavy, the operation is very inconvenient.
Disclosure of Invention
An object of the utility model is to provide a to the not enough of prior art, provide a lift leg, this lift leg convenient operation.
Another object of the utility model is to provide a lifting table, this lifting table has above-mentioned lift leg.
A lifting leg, comprising:
the lower end of the supporting cylinder is connected with a base;
the outer lifting cylinder is sleeved outside the supporting cylinder and can move up and down along the supporting cylinder;
the inner connecting cylinder is positioned in the supporting cylinder, and the lower end of the inner connecting cylinder is connected with the base or the supporting cylinder;
the fixed cylinder is connected to the upper end of the inner connecting cylinder and is provided with an internal thread;
the screw rod is in threaded connection with the fixed cylinder;
the bearing block is inserted at the upper end of the outer lifting cylinder and provided with a mounting hole, a main bevel gear and an auxiliary bevel gear which are mutually meshed are arranged in the mounting hole, and the auxiliary bevel gear is connected with the upper end of the screw rod; the main bevel gear is connected with a horizontal sleeve, and the outer lifting cylinder and the bearing block are provided with through holes matched with the horizontal sleeve.
Furthermore, the lower end of the outer lifting cylinder is connected with a lower connecting ring, the upper end of the supporting cylinder is connected with an upper connecting ring, and the upper connecting ring and the lower connecting ring are both positioned between the outer lifting cylinder and the supporting cylinder.
Furthermore, a lower clamping hole is formed in the side face of the lower end of the outer lifting cylinder, a lower clamping protrusion is arranged on the lower connecting ring, and the lower clamping protrusion is clamped with the lower clamping hole; the side face of the upper end of the supporting cylinder is provided with an upper clamping hole, the upper connecting ring is provided with an upper clamping protrusion, and the upper clamping protrusion is clamped into the upper clamping hole.
Preferably, the lower end of the lower connecting ring is provided with an annular lower folded edge, and the lower folded edge is positioned at the lower end of the outer lifting cylinder.
Furthermore, the lower end of the fixed cylinder is provided with an inserting part matched with the inner connecting cylinder, and the inserting part is inserted into the inner connecting cylinder; the cross section of the inner connecting cylinder is square or oval.
Further, the lower extreme of lead screw stretches into an internal connection section of thick bamboo, and the lower extreme of lead screw is equipped with annular trepanning and is connected with the guide block of U-shaped, and the guide block cup joints with an internal connection section of thick bamboo, the lower extreme of carrier block is connected with the bearing, and the upper end of lead screw is equipped with connecting portion, and connecting portion pass the bearing and are connected with vice bevel gear, and connecting portion cup joint with the bearing.
A lifting table comprises at least one lifting leg and a table plate, when the lifting table comprises more than 2 lifting legs, the lifting legs are linearly arranged, an intermediate transmission rod is arranged between main horizontal sleeves of two adjacent lifting legs and connected through the intermediate transmission rod, or at least 2 intermediate transmission rods are arranged, and an intermediate transmission sleeve is connected between two adjacent intermediate transmission rods; the upper end of the bearing block or the upper end of the outer lifting cylinder is connected with a supporting plate, and the lower end face of the table plate is connected with the upper end face of the supporting plate.
Furthermore, one of the horizontal sleeves is sleeved with a main transmission rod, one end of the transmission rod extends out of the horizontal sleeve, one end of the main transmission rod is connected with an outer sleeve, and the outer sleeve is connected with a crank.
Preferably, one side of the upper end of the outer lifting cylinder is connected with a fixed block, one side of the fixed block, which is close to the outer lifting cylinder, is provided with a counter bore, and the middle part of the counter bore is provided with a through hole; the cross sections of the horizontal sleeve and the main transmission rod are polygonal, an annular groove is formed in the middle of the main transmission rod, an arc-shaped clamping piece is connected to the middle of the main transmission rod, the arc-shaped clamping piece is clamped with the main transmission rod, and the arc-shaped clamping piece is located in the counter bore;
furthermore, the middle part of the outer end face of the crank is provided with an accommodating hole, one side of the accommodating hole is hinged with a rocker, and the length of the rocker is smaller than or equal to that of the accommodating hole.
Furthermore, the outer end part of the main transmission rod is provided with a limiting groove, the outer sleeve is provided with a through hole communicated with the limiting groove, the crank is connected with a connecting piece, and one end of the connecting piece penetrates through the through hole and extends into the limiting groove.
The utility model has the advantages that:
1. the lifting is driven by a hand-cranking operation mode, so that the operation is convenient;
2. the crank is arranged on the side surface of the table plate, the position of the crank can be adjusted, and the rocker can be contained in the crank and does not hinder the use;
3. the structure of the nut and the screw rod is adopted, so that the table plate can be prevented from sliding downwards;
secondly, the outer lifting cylinder can adopt an elliptical tube and the like, and the bottom plate adopts a streamline shape and a bearing block; the splicing structure can be a plastic die casting.
Drawings
Fig. 1 is a state diagram of the lifting leg of the embodiment.
Fig. 2 is a schematic cross-sectional view of a lifting leg.
Fig. 3 is an exploded view of the lifting leg.
Fig. 4 is a schematic view of the elevating table.
Fig. 5 is a partially exploded view of the elevating table.
Figure 6 is a partial cross-sectional view of the elevating table.
Figure 7 is another partially exploded view of the elevating table.
The reference numerals include:
1-a base; 2-outer lifting cylinder; 3-bearing block; 4-lower connecting ring; 5-supporting cylinder; 6-guide block; 7-inner connecting cylinder; 8-upper connecting ring; 9-fixed cylinder; 10-a bearing; 11-secondary bevel gear; 12-horizontal casing; 14-main bevel gear; 15-annular trepanning; 16-a screw rod; 20-a table plate; 21-support plate; 22-containing hole; 23-a crank; 24-Rocker; 25-intermediate transmission rod; 26-intermediate drive sleeve; 27-fixed block; 28-arc position clamping sheet; 29-a limit groove; 30-perforation; 31-primary drive link; 32-annular groove; 33-outer sleeve; 100-lifting legs.
Detailed Description
The following detailed description of the present invention is made with reference to the accompanying drawings. As shown in fig. 1-7.
Example 1: see fig. 1-3; a lifting leg, comprising:
a support cylinder 5, the lower end of which is connected with a base 1;
the outer lifting cylinder 2 is sleeved outside the supporting cylinder 5 and can move up and down along the supporting cylinder 5;
the inner connecting cylinder 7 is positioned in the supporting cylinder 5, and the lower end of the inner connecting cylinder is connected with the base 1 or the supporting cylinder 5;
a fixed cylinder 9 connected to the upper end of the inner connection cylinder 7 and provided with an internal thread;
the screw rod 16 is in threaded connection with the fixed cylinder 9;
the bearing block 3 is inserted at the upper end of the outer lifting cylinder 2, the bearing block 3 is provided with a mounting hole, a main bevel gear 14 and an auxiliary bevel gear 11 which are mutually meshed are arranged in the mounting hole, and the auxiliary bevel gear 11 is connected with the upper end of a screw rod 16; the main bevel gear 14 is connected with a horizontal sleeve 12, and the outer lifting cylinder 2 and the bearing block 3 are provided with through holes matched with the horizontal sleeve 12.
The lifting leg of the technical scheme can be used for various workbenches, the lifting leg mainly utilizes a screw rod 16 nut structure, when the lifting leg is used, a transmission rod can be inserted into a horizontal sleeve 12, the transmission rod is rotated again, the horizontal sleeve 12 is driven to rotate, the horizontal sleeve 12 rotates and then drives a main bevel gear 14 to rotate and an auxiliary bevel gear 11 to rotate, the auxiliary bevel gear 11 drives a screw rod 16 to rotate, the screw rod 16 rotates relative to a fixed cylinder 9, the fixed cylinder 9 is connected with an inner connecting cylinder 7, and the position of the fixed cylinder 9 is unchanged, so that the screw rod 16 moves up and down relative to the fixed cylinder 9 and the like, and the bearing block 3 and the outer lifting cylinder 2 are driven to move up and down. In a specific arrangement, the carrier block 3 is formed by splicing two half blocks, see fig. 7; the mounting hole matched with the main bevel gear 11 is arranged on one half block, and the mounting hole matched with the auxiliary bevel gear 11 is arranged on the two half blocks and is formed by splicing. This is not described in detail in the prior art.
See fig. 2; further, the lower end of the outer lifting cylinder 2 is connected with a lower connecting ring 4, the upper end of the supporting cylinder 5 is connected with an upper connecting ring 8, and the upper connecting ring 8 and the lower connecting ring 4 are both positioned between the outer lifting cylinder 2 and the supporting cylinder 5.
The upper connecting ring 8 and the lower connecting ring 4 are arranged, so that the outer lifting cylinder 2 and the supporting cylinder 5 can be isolated, the contact area between the outer lifting cylinder 2 and the supporting cylinder 5 is reduced, and the abrasion is reduced. Of course, the linear bearings 1 and 0 may be fitted to the upper and lower ends of the support cylinder 5, and the support cylinder 5 may be connected to the outer vertical cylinder 2 via the linear bearings 1 and 0.
See fig. 2; further, a lower clamping hole is formed in the side face of the lower end of the outer lifting cylinder 2, a lower clamping protrusion is arranged on the lower connecting ring 4, and the lower clamping protrusion is clamped with the lower clamping hole; the side face of the upper end of the supporting cylinder 5 is provided with an upper clamping hole, the upper connecting ring 8 is provided with an upper clamping protrusion, and the upper clamping protrusion is clamped into the upper clamping hole.
Preferably, the lower end of the lower connecting ring 4 is provided with an annular lower folded edge, and the lower folded edge is positioned at the lower end of the outer lifting cylinder 2.
In order to facilitate the fixing of the lower connecting ring 4 to the outer lifting cylinder 2 and the fixing of the upper connecting ring 8 to the supporting cylinder 5, the technical scheme adopts a clamping connection mode. Secondly, in order to reduce the abrasion of the lower end surface of the outer lifting cylinder 2, the lower connecting ring 4 is provided with a lower folded edge.
See fig. 2, 3; furthermore, the lower end of the fixed cylinder 9 is provided with a plugging part matched with the inner connecting cylinder 7, and the plugging part is inserted into the inner connecting cylinder 7; the cross section of the inner connecting cylinder 7 is square or oval.
The fixed cylinder 9 and the inner connecting cylinder 7 are connected in a plugging mode, so that the structure is simple and easy to realize; second, the inner connection cylinder 7 is formed in a square shape, an oval shape, etc., so that the fixed cylinder 9 is prevented from rotating with respect to the inner connection cylinder 7. Of course the cross-section of the inner connecting cylinder 7 can be provided in any other shape than circular.
Further, the lower extreme of lead screw 16 stretches into an internal connection section of thick bamboo 7, and the lower extreme of lead screw 16 is equipped with annular trepanning 15 and is connected with the guide block 6 of U-shaped, and guide block 6 cup joints with an internal connection section of thick bamboo 7, the lower extreme of carrier block 3 is connected with bearing 10, and the upper end of lead screw 16 is equipped with connecting portion, and connecting portion pass bearing 10 and be connected with vice bevel gear 11, and connecting portion cup joint with bearing 10.
In order to avoid the lead screw 16 from shaking to a large extent in the working process, the technical scheme is provided with the guide block 6 and the bearing 10 for positioning the lead screw 16 to move linearly up and down.
Example 2: referring to fig. 4 to 7, a lifting table comprises at least one lifting leg 100 and a table plate 20, when 2 or more lifting legs 100 are included, the lifting legs 100 are linearly arranged, an intermediate transmission rod 25 is arranged between the main horizontal sleeves 12 of two adjacent lifting legs 100 and connected through the intermediate transmission rod 25, or at least 2 intermediate transmission rods 25, and an intermediate transmission sleeve 26 is connected between two adjacent intermediate transmission rods 25; the upper end of the bearing block 3 or the upper end of the outer lifting cylinder 2 is connected with a supporting plate 21, and the lower end face of the table plate 20 is connected with the upper end face of the supporting plate 21.
The supporting plate 21 is L-shaped, one side of the supporting plate 21 is fixed on the outer lifting cylinder 2, when only one lifting leg 100 is arranged, the upper end of the supporting plate 21 is connected with the table plate 20, and the outer lifting cylinder 2, the bearing block 3 and the table plate 20 are driven to lift through the lifting of the lifting leg 100. When at least 2 lifting legs 100 are arranged, the lifting legs 100 are linked through the intermediate transmission rod 25; when the intermediate transmission rod 25 is too long, the intermediate transmission rod 25 can be engaged with the intermediate transmission sleeve 26, which is not described in detail in the prior art. Wherein, the outermost lifting leg 100 is the main lifting leg 100, and the horizontal sleeve 12 is driven to rotate by external force input. The horizontal sleeves 12 drive other lifting horizontal sleeves 12 to synchronously rotate through an intermediate transmission rod 25 and the like, so that all lifting legs 100 are synchronously linked. Secondly, in order to facilitate the bearing, the lower end of the supporting cylinder 5 is connected with a base 1. The base 1 can increase the ground bearing area and avoid the ground from being damaged.
See fig. 5, 6; furthermore, one of the horizontal sleeves 12 is sleeved with a main transmission rod 31, one end of the transmission rod extends out of the horizontal sleeve 12, one end of the main transmission rod 31 is connected with an outer sleeve 33, and the outer sleeve 33 is connected with the crank 23.
In order to facilitate the rotation of the horizontal sleeve 12, the technical scheme is provided with a main transmission rod 31, one end of the main transmission rod 31 extends out of the horizontal sleeve 12 and is connected with a crank 23, and the transmission rod and the horizontal sleeve 12 are driven to rotate through the rotation of the crank 23. The horizontal sleeve 12 is located in the horizontal sleeve 12 of the outermost lifting leg 100.
Preferably, a fixing block 27 is connected to one side of the upper end of the outer lifting cylinder 2, a counter bore is formed in one side, close to the outer lifting cylinder 2, of the fixing block 27, and a through hole is formed in the middle of the counter bore; the cross sections of the horizontal sleeve 12 and the main transmission rod 31 are polygonal, an annular groove 32 is formed in the middle of the main transmission rod 31 and connected with an arc-shaped clamping piece 28, the arc-shaped clamping piece 28 is clamped with the main transmission rod 31, and the arc-shaped clamping piece 28 is located in the counter bore;
to prevent the main transmission rod 31 from moving, or falling off, during rotation; according to the technical scheme, an annular groove 32 is formed in a main transmission rod 31 and connected with an arc-shaped clamping piece 28; the middle part of the arc-shaped clamping piece 28 is provided with a clamping hole matched with the main transmission rod 31; in addition, in order to facilitate the placement of the arc-shaped positioning piece 28, in the present technical solution, a counter bore is disposed on the fixing block 27 for accommodating the arc-shaped positioning piece 28.
Furthermore, the middle part of the outer end face of the crank 23 is provided with an accommodating hole 22, one side of the accommodating hole 22 is hinged with a rocker 24, and the length of the rocker 24 is less than or equal to that of the accommodating hole 22.
In order to facilitate the operation of swinging, the technical scheme is provided with a rocker 24, and in addition, the swinging is provided with a containing hole 22, so that the rocker 24 can be conveniently contained, and the rocker 24 can be hidden when not in use.
See fig. 5, 6; furthermore, the outer end of the main transmission rod 31 is provided with a limiting groove 29, the outer sleeve 33 is provided with a through hole 30 communicated with the limiting groove 29, the crank 23 is connected with a connecting piece, and one end of the connecting piece penetrates through the through hole 30 and extends into the limiting groove 29.
The connecting piece can be a screw or a bolt, and one end of the connecting piece extends into the limit groove 29, so that the crank 23 and the outer sleeve 33 cannot be separated from the main transmission rod 31; in addition, the position of use of the outer tube 33, that is, the distance between the crank 23 and the outer lift cylinder 2 can be adjusted.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the specific embodiments and applications shown herein.
Claims (10)
1. A lifting leg, its characterized in that: it includes:
the lower end of the supporting cylinder is connected with a base;
the outer lifting cylinder is sleeved outside the supporting cylinder and can move up and down along the supporting cylinder;
the inner connecting cylinder is positioned in the supporting cylinder, and the lower end of the inner connecting cylinder is connected with the base or the supporting cylinder;
the fixed cylinder is connected to the upper end of the inner connecting cylinder and is provided with an internal thread;
the screw rod is in threaded connection with the fixed cylinder;
the bearing block is inserted at the upper end of the outer lifting cylinder and provided with a mounting hole, a main bevel gear and an auxiliary bevel gear which are meshed with each other are arranged in the mounting hole, and the auxiliary bevel gear is connected with the upper end of the screw rod; the main bevel gear is connected with a horizontal sleeve, and the outer lifting cylinder and the bearing block are provided with through holes matched with the horizontal sleeve.
2. A lifting leg as claimed in claim 1, wherein: the lower end of the outer lifting cylinder is connected with a lower connecting ring, the upper end of the supporting cylinder is connected with an upper connecting ring, and the upper connecting ring and the lower connecting ring are both positioned between the outer lifting cylinder and the supporting cylinder.
3. A lifting leg as claimed in claim 2, wherein: the side surface of the lower end of the outer lifting cylinder is provided with a lower clamping hole, the lower connecting ring is provided with a lower clamping protrusion, and the lower clamping protrusion is clamped with the lower clamping hole; the side face of the upper end of the supporting cylinder is provided with an upper clamping hole, the upper connecting ring is provided with an upper clamping protrusion, and the upper clamping protrusion is clamped into the upper clamping hole.
4. A lifting leg as claimed in claim 1, wherein: the lower end of the fixed cylinder is provided with a plugging part matched with the inner connecting cylinder, and the plugging part is inserted into the inner connecting cylinder; the cross section of the inner connecting cylinder is square or oval.
5. A lifting leg as claimed in claim 1 wherein: the lower extreme of lead screw stretches into an internal connection section of thick bamboo, and the lower extreme of lead screw is equipped with annular trepanning and is connected with the guide block of U-shaped, and the guide block cup joints with an internal connection section of thick bamboo, the lower extreme of carrier block is connected with the bearing, and the upper end of lead screw is equipped with connecting portion, and connecting portion pass the bearing and are connected with vice bevel gear, and connecting portion cup joint with the bearing.
6. A lifting table is characterized in that: the table comprises at least one lifting leg and a table board according to any one of claims 1 to 5, wherein when the table comprises 2 or more lifting legs, the lifting legs are linearly arranged, an intermediate transmission rod is arranged between the main horizontal sleeves of two adjacent lifting legs and is connected through the intermediate transmission rod, or at least 2 intermediate transmission rods are arranged, and an intermediate transmission sleeve is connected between two adjacent intermediate transmission rods; the upper end of the bearing block or the upper end of the outer lifting cylinder is connected with a supporting plate, and the lower end face of the table plate is connected with the upper end face of the supporting plate.
7. A lifting table as claimed in claim 6, wherein: one of the horizontal sleeves is sleeved with a main transmission rod, one end of the transmission rod extends out of the horizontal sleeve, one end of the main transmission rod is connected with an outer sleeve, and the outer sleeve is connected with a crank.
8. A lifting table as claimed in claim 7, wherein: one side of the upper end of the outer lifting cylinder is connected with a fixed block, one side of the fixed block, which is close to the outer lifting cylinder, is provided with a counter bore, and the middle part of the counter bore is provided with a through hole; the cross section of horizontal sleeve pipe, main drive pole all is the polygon, the middle part of main drive pole is equipped with the ring channel and is connected with arc screens piece, and arc screens piece and main drive pole joint, and arc screens piece is located the counter sink.
9. A lifting table as claimed in claim 7, wherein: the middle part of the outer end face of the crank is provided with an accommodating hole, one side of the accommodating hole is hinged with a rocker, and the length of the rocker is less than or equal to that of the accommodating hole.
10. A lifting table as claimed in claim 9, wherein: the outer end part of the main transmission rod is provided with a limiting groove, the outer sleeve is provided with a through hole communicated with the limiting groove, the crank is connected with a connecting piece, and one end of the connecting piece penetrates through the through hole and extends into the limiting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221670798.7U CN217565247U (en) | 2022-07-01 | 2022-07-01 | Lifting leg and lifting table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221670798.7U CN217565247U (en) | 2022-07-01 | 2022-07-01 | Lifting leg and lifting table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217565247U true CN217565247U (en) | 2022-10-14 |
Family
ID=83533255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221670798.7U Active CN217565247U (en) | 2022-07-01 | 2022-07-01 | Lifting leg and lifting table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217565247U (en) |
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2022
- 2022-07-01 CN CN202221670798.7U patent/CN217565247U/en active Active
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