CN218683066U - Three-section pipe lifting upright post - Google Patents
Three-section pipe lifting upright post Download PDFInfo
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- CN218683066U CN218683066U CN202222795179.7U CN202222795179U CN218683066U CN 218683066 U CN218683066 U CN 218683066U CN 202222795179 U CN202222795179 U CN 202222795179U CN 218683066 U CN218683066 U CN 218683066U
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- 230000001681 protective effect Effects 0.000 claims description 5
- 230000003796 beauty Effects 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
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Abstract
The utility model discloses a three-section pipe lifting column, include: first festival pipe, activity set up in the second festival pipe and the third festival pipe of first festival pipe, its characterized in that still includes: the core is arranged in the first joint pipe and comprises a driving motor, a worm, a first worm wheel and a second worm wheel, and two ends of the worm are respectively connected with the first worm wheel and the second worm wheel in a meshed manner; one end of the first screw is in spiral transmission connection with the first worm wheel, and the other end of the first screw is fixedly connected with the second section pipe; one end of the second screw is in spiral transmission connection with the second worm wheel, and the other end of the second screw is fixedly connected with the third section pipe; the driving motor is connected with and drives the worm to rotate so as to drive the second joint pipe and the third joint pipe to move in the opposite direction or in the opposite direction. The driving motor drives the second joint pipe and the third joint pipe to move oppositely or move back to back through worm and gear transmission and thread transmission, the lifting speed is high, the synchronism is good, the overall cost is low, and the assembly is more convenient.
Description
Technical Field
The utility model relates to a elevating gear technical field, in particular to three-section pipe lifting column.
Background
As a lifting device, a lifting column is widely used in various lifting platforms, such as a lifting table, a lifting chair, a liftable tatami, etc. In the related art, the beauty treatment chair is used for users to tidy beauty treatment, and the lifting device is arranged at the bottom of the beauty treatment chair, so that the sitting height of a sitting person can be conveniently adjusted, and the beauty treatment operation is convenient. In some related technologies, the three-section upright lifting device adopts a two-push-rod structure, but the load of the double-push-rod structure is small, the requirement on the control box is high, and the precision is difficult to control. In some related technologies, a three-section upright lifting device adopts a chain structure, and the problems of high cost, complex structure and difficulty in installation exist.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a three-section pipe lift stand, three-section pipe lift stand lifting speed is fast, the synchronism is good, and simple structure, and the overall cost is lower, and it is more convenient to assemble.
According to the utility model discloses three-section pipe lift stand, including first festival pipe, activity set up in the second festival pipe and the activity of first festival pipe set up in the third festival pipe of first festival pipe still includes:
the movement is arranged in the first joint pipe and comprises a driving motor, a worm, a first worm wheel and a second worm wheel, and two ends of the worm are respectively connected with the first worm wheel and the second worm wheel in a meshed manner;
one end of the first screw is in spiral transmission connection with the first worm wheel, and the other end of the first screw is fixedly connected with the second joint pipe;
one end of the second screw is in spiral transmission connection with the second worm wheel, and the other end of the second screw is fixedly connected with the third section pipe;
the driving motor is connected with and drives the worm to rotate so as to drive the second pipe joint and the third pipe joint to move towards or away from each other.
According to the utility model discloses three section pipe lift stands have following beneficial effect at least: the driving motor drives the second section pipe and the third section pipe to move oppositely or move back to back through worm and gear transmission and thread transmission, single power drives the second section pipe and the third section pipe to move oppositely or move back to back, the lifting speed is high, the synchronism is good, the overall cost is lower, and the assembly is more convenient.
According to three-section pipe lift stand, the third festival pipe box is located first festival pipe, first festival pipe is located with the cover the second festival pipe.
According to three-section pipe lift stand, the core still includes the casing, driving motor the worm first worm wheel with the second worm wheel all set up in the casing, first bearing and second bearing are installed to the casing, part first worm wheel is worn to locate the inner ring of first bearing, part the second worm wheel is worn to locate the inner ring of second bearing.
According to three-section pipe lift stand, be provided with first auto-lock spring and second auto-lock spring in the casing, the one end of first auto-lock spring support press in the terminal surface of first worm wheel, the other end support press with the casing supports to press and connects, the one end of second auto-lock spring support press in the terminal surface of second worm wheel, the other end support press with the casing supports to press and connects.
According to three-section pipe lift stand, still fixedly in the first section pipe be provided with two detection sensor, two detection sensor edges the central line direction interval arrangement of first screw rod, the detection sensor is used for detecting the lift height of second section pipe.
According to three festival pipe lift stands, the detection sensor is contact switch, the fixed cover that is provided with of second festival pipe, fixed cover is two move between the contact switch.
According to three festival pipe lift stands, first festival pipe the second festival pipe with third festival pipe is square structure.
According to three sections pipe lift stands, the top fixedly connected with lifter plate of second section pipe, the lifter plate with first screw rod fixed connection, the bottom fixedly connected with bottom plate of third section pipe, the bottom plate with second screw rod fixed connection.
According to three-section pipe lift stand, first section pipe fixedly connected with fixed plate, the core install in the fixed plate.
According to three-section pipe lift stand, the casing still is connected with the protective housing, first screw rod is arranged in the protective housing.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic cross-sectional structure view of a three-joint pipe lifting column according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a transmission structure of a movement of a three-joint pipe lifting column according to an embodiment of the present invention;
fig. 3 is a schematic view of the overall structure of a three-section pipe lifting column according to an embodiment of the present invention;
fig. 4 is an explosion diagram of the transmission structure of the movement of the three-joint pipe lifting column according to the embodiment of the present invention.
The reference numbers illustrate:
a first tube segment 100; a movement 110; a housing 111; a first bearing 1111; a second bearing 1112; a first self-locking spring 1113; a second self-locking spring 1114; a drive motor 112; a worm 1121; a first worm wheel 113; spline shaft 1131; a second worm gear 114; a fixing plate 120; a protective case 130;
a second tube segment 200; a first screw 210; a fixing sleeve 220; a lifting plate 230;
a third joint 300; a second screw 310; a bottom plate 320;
contact the switch 400.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
In the description of the present invention, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
As shown in fig. 1 to 3, according to the embodiment of the present invention, a three-section tube lifting column includes a first section tube 100, a second section tube 200, a third section tube 300, a movement 110, a first screw 210, a second screw 310 and a third screw, wherein the second section tube 200 is movably disposed on the first section tube 100, the third section tube 300 is movably disposed on the first section tube 100, the movement 110 is disposed in the first section tube 100, for example, the first section tube 100 is fixedly connected with a fixing plate 120, and the movement 110 is mounted on the fixing plate 120. The movement 110 drives the second tube segment 200 to move through the first screw 210, and drives the third tube segment 300 to move through the second screw 310. Specifically, the movement 110 includes a driving motor 112, a worm 1121, a first worm wheel 113 and a second worm wheel 114, and both ends of the worm 1121 are respectively engaged with the first worm wheel 113 and the second worm wheel 114. One end of the first screw 210 is in screw transmission connection with the first worm wheel 113, and the other end is fixedly connected with the second joint pipe 200; one end of the second screw 310 is in screw transmission connection with the second worm gear 114, and the other end is fixedly connected with the third joint pipe 300. In use, the driving motor 112 is connected to and drives the worm 1121 to rotate, so as to drive the second tube segment 200 and the third tube segment 300 to move toward or away from each other.
It should be noted that, the driving motor 112 drives the second tube segment 200 and the third tube segment 300 to move oppositely or away from each other through the worm gear 1121 and the screw transmission, and the single power drives the second tube segment 200 and the third tube segment 300 to move oppositely or away from each other, so that the lifting speed is high, the synchronism is good, the overall cost is lower, and the assembly is more convenient.
In some embodiments of the present invention, as shown in fig. 1 and 3, the third tube segment 300 is sleeved on the first tube segment 100, and the first tube segment 100 and the second tube segment 200 are sleeved on the first tube segment 100, so that the appearance is uniform, and the whole structure is more beautiful, for example, the first tube segment 100, the second tube segment 200 and the third tube segment 300 are all square structures, and the mutual connection can not deflect between two adjacent tube segments. Alternatively, the first joint pipe 100 abuts against the inner wall of the third joint pipe 300, and the first joint pipe 100 guides the linear motion of the third joint pipe 300. Alternatively, the second joint pipe 200 abuts against the inner wall of the first joint pipe 100, and the first joint pipe 100 guides the linear motion of the second joint pipe 200.
As shown in fig. 2 and 4, in some embodiments of the present invention, the movement 110 includes a housing 111, the driving motor 112, the worm 1121, the first worm wheel 113, and the second worm wheel 114 are disposed on the housing 111, and the housing 111 is mounted with a first bearing 1111 and a second bearing 1112. Wherein, a part of the first worm wheel 113 is arranged in the inner ring of the first bearing 1111 in a penetrating manner, and is adapted to the rotation motion of the first worm wheel 113 driven by the worm 1121; part of the second worm wheel 114 passes through the inner ring of the second bearing 1112, and is adapted to the rotation motion of the second worm wheel 114 driven by the worm 1121; in addition, the rotation of the first worm wheel 113 and the second worm wheel 114 is more stable, the transmission effect between the first worm wheel 113 and the first screw 210 is better, and the transmission effect between the second worm wheel 114 and the second screw 310 is better. In some embodiments, the casing 111 is connected to the casing 130, and the first screw 210 is disposed in the casing 130 to cover the rotating first screw 210 and prevent the first screw 210 from being exposed.
Further, a first self-locking spring 1113 and a second self-locking spring 1114 are arranged in the housing 111, one end of the first self-locking spring 1113 abuts against the end surface of the first worm wheel 113, the other end of the first self-locking spring 1113 abuts against and is connected with the housing 111, one end of the second self-locking spring 1114 abuts against the end surface of the second worm wheel 114, and the other end of the second self-locking spring 1114 abuts against and is connected with the housing 111. For example, one end of the first self-locking spring 1113 facing away from the first worm wheel 113 abuts against an end surface of the first bearing 1111; one end of the second self-locking spring 1114, which is away from the second worm wheel 114, abuts against the end surface of the second bearing 1112. Through setting up the auto-lock spring, avoid the outage suddenly and lead to going up and down unstably, guarantee the stability and the security of the equipment of using three-section pipe lift stand. In some embodiments, a spline shaft 1131 is connected to the first worm wheel 113, a spline groove (not shown) matching with the spline shaft 1131 is formed on the inner peripheral wall of the first worm wheel 113, and a transmission thread spirally transmitting the first screw 210 is formed in the middle of the spline shaft 1131. The worm 1121 drives the first worm wheel 113 to rotate, and the first worm wheel 113 and the spline shaft 1131 rotate together, and are matched with the first screw 210 through a transmission thread to drive the first screw 210 to move linearly. It is easy to understand that, by providing the spline shaft 1131 and machining the transmission thread in the spline shaft 1131 to match with the first screw 210, it is possible to avoid machining the thread in the first worm wheel 113, so that the first worm wheel 113 only determines the transmission ratio with the worm 1121, and the matching relationship between the spline shaft 1131 and the first screw 210, such as the matching relationship of the thread size, the lead, and the like, can be conveniently changed, which facilitates the adjustment of a single-series product and the design of multiple-series products. It is easily understood that the transmission structure of the second worm gear 114 and the second screw 310 can also be designed with reference to the transmission structure of the first worm gear 113 and the first screw 210, and will not be described in detail herein.
Referring to fig. 4, in some embodiments of the present invention, two detection sensors are fixedly disposed in the first pipe joint 100, and the two detection sensors are spaced along the central line direction of the first screw 210, and the detection sensors are used for detecting the lifting height of the second pipe joint 200. The detection sensor and the driving motor 112 work in coordination, so that the phenomena of collision or interference and the like caused by overlarge ascending or descending distance of the first screw 210 are effectively avoided, and the use safety is improved. Alternatively, the detection sensor is a contact switch 400, the second joint pipe 200 is fixedly provided with a fixing sleeve 220, and the fixing sleeve 220 moves between the two contact switches 400. When the first screw 210 drives the second pipe joint 200 to move upwards to a preset maximum value, the fixing sleeve 220 presses the upper contact switch 400 to send a signal to the driving motor 112, so that the second pipe joint 200 is prevented from continuously rising; when the first screw 210 drives the second pipe joint 200 to move downwards to the preset maximum value, the fixing sleeve 220 presses the lower contact switch 400 to send a signal to the driving motor 112, so as to prevent the second pipe joint 200 from further descending.
In some embodiments of the present invention, referring to fig. 1 and 3, the lifting plate 230 is fixedly connected to the top of the second tube segment 200, the lifting plate 230 is fixedly connected to the first screw rod 210, the bottom plate 320 is fixedly connected to the bottom of the third tube segment 300, and the bottom plate 320 is fixedly connected to the second screw rod 310. It is easily understood that the flat plate-shaped elevating plate 230 and the flat plate-shaped bottom plate 320 can be better pushed outward. For example, the bottom plate 320 contacts the ground, the lifting plate 230 is connected to the seat, and when the driving shaft of the driving motor 112 rotates in a first direction, the bottom plate 320 acts on the ground to push and lift the first tube segment 100 and the second tube segment 200, and the second tube segment 200 is further lifted relative to the first tube segment 100; when the driving shaft of the driving motor 112 rotates in the second direction, the bottom plate 320 acts on the ground, the first joint pipe 100 and the second joint pipe 200 are retracted, and the second joint pipe 200 is further retracted with respect to the first joint pipe 100.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. Three festival pipe lift stands, including first festival pipe, activity set up in the second festival pipe of first festival pipe with the activity set up in the third festival pipe of first festival pipe, its characterized in that includes:
the movement is arranged in the first joint pipe and comprises a driving motor, a worm, a first worm wheel and a second worm wheel, and two ends of the worm are respectively connected with the first worm wheel and the second worm wheel in a meshed manner;
one end of the first screw is in spiral transmission connection with the first worm wheel, and the other end of the first screw is fixedly connected with the second section pipe;
one end of the second screw is in spiral transmission connection with the second worm wheel, and the other end of the second screw is fixedly connected with the third section pipe;
the driving motor is connected with and drives the worm to rotate so as to drive the second joint pipe and the third joint pipe to move towards or away from each other.
2. The three-section pipe lifting column according to claim 1, characterized in that: the third section of pipe is sleeved on the first section of pipe, and the first section of pipe is sleeved on the second section of pipe.
3. The three-section pipe lifting column according to claim 1, wherein: the movement further comprises a machine shell, the driving motor, the worm, the first worm wheel and the second worm wheel are arranged on the machine shell, a first bearing and a second bearing are installed on the machine shell, part of the first worm wheel penetrates through the inner ring of the first bearing, and part of the second worm wheel penetrates through the inner ring of the second bearing.
4. The three-section pipe lifting column according to claim 3, wherein: the shell is internally provided with a first self-locking spring and a second self-locking spring, one end of the first self-locking spring is abutted against the end face of the first worm wheel, the other end of the first self-locking spring is abutted against and connected with the shell, one end of the second self-locking spring is abutted against and connected with the end face of the second worm wheel, and the other end of the second self-locking spring is abutted against and connected with the shell.
5. The three-section pipe lifting column according to claim 1 or 3, wherein: still fixedly in the first festival, be provided with two detection sensor, two detection sensor follow the central line direction interval arrangement of first screw rod, detection sensor is used for detecting the height of going up and down of second festival pipe.
6. The three-section pipe lifting column according to claim 5, wherein: the detection sensor is a contact switch, the second section pipe is fixedly provided with a fixing sleeve, and the fixing sleeve moves between the two contact switches.
7. The three-section pipe lifting column according to claim 1 or 2, characterized in that: the first section of pipe, the second section of pipe and the third section of pipe are all square structures.
8. The three-section pipe lifting column according to claim 1, characterized in that: the top fixedly connected with lifter plate of second festival pipe, the lifter plate with first screw rod fixed connection, the bottom fixedly connected with bottom plate of third festival pipe, the bottom plate with second screw rod fixed connection.
9. The three-section pipe lifting column according to claim 1 or 8, wherein: the first section pipe is fixedly connected with a fixing plate, and the machine core is installed on the fixing plate.
10. The three-section pipe lifting column according to claim 4, wherein: the casing is also connected with a protective shell, and the first screw rod is arranged in the protective shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222795179.7U CN218683066U (en) | 2022-10-21 | 2022-10-21 | Three-section pipe lifting upright post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222795179.7U CN218683066U (en) | 2022-10-21 | 2022-10-21 | Three-section pipe lifting upright post |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218683066U true CN218683066U (en) | 2023-03-24 |
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ID=85589178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222795179.7U Active CN218683066U (en) | 2022-10-21 | 2022-10-21 | Three-section pipe lifting upright post |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218683066U (en) |
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2022
- 2022-10-21 CN CN202222795179.7U patent/CN218683066U/en active Active
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