CN210493113U - Pneumatic spring lift table leg - Google Patents
Pneumatic spring lift table leg Download PDFInfo
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- CN210493113U CN210493113U CN201920749247.1U CN201920749247U CN210493113U CN 210493113 U CN210493113 U CN 210493113U CN 201920749247 U CN201920749247 U CN 201920749247U CN 210493113 U CN210493113 U CN 210493113U
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Abstract
The utility model discloses a pneumatic spring lifting table leg, which comprises a pneumatic column fixing plate, a limiting gear, a driving gear, a chain, a pneumatic spring lifting column and a chain gear mounting seat; a pneumatic spring lifting column is mounted on the pneumatic column fixing plate, two chain gear mounting seats are respectively mounted at the bottom end and the middle of the pneumatic spring lifting column, and a driving gear and a limiting gear are respectively mounted on the two chain gear mounting seats; a chain is arranged between the driving gear and the limiting gear; the top side of the pneumatic column fixing plate is provided with a top plate, the top plate is vertically installed on the pneumatic column fixing plate, and a pneumatic top column installation hole is formed in the top plate; be provided with the chain fixed plate erection column on the lateral wall of roof bottom, be provided with the draw-in groove on the roof of chain fixed plate erection column one side. The utility model has the characteristics of simple structure, the locking of going up and down.
Description
Technical Field
The utility model relates to a pneumatic spring lift table leg, especially a pneumatic spring lift table leg that has simple structure, lift locking.
Background
The lifting table is gradually popularized in daily life of people, and is mainly used in various fields such as learning, office and entertainment. The table usually comprises a table plate, a base and a lifting device, wherein the table plate is connected to the base through the lifting device.
The outer part of the lifting table leg consists of two parts which are respectively formed by sleeving an outer pipe and an inner pipe; the inside spare part such as screw rod, slider, spacing supporting shoe that is equipped with of table leg, wherein the upper end of screw rod and the output shaft of motor, the lower extreme is connected with spacing supporting shoe, and spacing supporting shoe sliding fit is in the inner tube of table leg, and slider threaded connection is at the screw rod middle part, and slider fixed connection is in the mouth of pipe of inner tube. Therefore, when the motor is started, the screw rod is driven to rotate, and the sliding block moves in the vertical direction due to the fact that the sliding block is meshed with the screw rod through threads, so that the inner pipe is driven to move in the vertical direction, and the table legs are lifted and lowered. However, the elevating table leg of this structure has disadvantages in that: when the desk is normally used, the motor is in a power-off state, namely the desk is static, but the weight of the desk plate and related parts and the self-locking capacity of the screw rod are not provided, so that the desk has downward pressure on the desk legs, the desk legs have a descending trend, and the desktop is unconsciously descended after the desk is used for a long time, so that the use is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pneumatic spring lift table leg with simple structure, lift locking.
The purpose of the utility model can be realized by the following technical scheme:
a pneumatic spring lifting table leg comprises a pneumatic column fixing plate, a limiting gear, a driving gear, a chain, a pneumatic spring lifting column and a chain gear mounting seat;
a pneumatic spring lifting column is mounted on the pneumatic column fixing plate, two chain gear mounting seats are respectively mounted at the bottom end and the middle of the pneumatic spring lifting column, and a driving gear and a limiting gear are respectively mounted on the two chain gear mounting seats; a chain is arranged between the driving gear and the limiting gear;
the top side of the pneumatic column fixing plate is provided with a top plate, the top plate is vertically installed on the pneumatic column fixing plate, and a pneumatic top column installation hole is formed in the top plate; a chain fixing plate mounting column is arranged on the side wall of the bottom end of the top plate, and a clamping groove is formed in the top plate on one side of the chain fixing plate mounting column;
the pneumatic spring lifting column comprises a pneumatic spring bottom column and a pneumatic spring top column, and the pneumatic spring top column is arranged at the top end of the pneumatic spring bottom column; the top end of the pneumatic spring support pillar is arranged on the top plate through a pneumatic support pillar mounting hole;
the bottom end of the pneumatic spring bottom column is provided with a bottom column driving gear installation shaft, and a chain gear installation seat is installed on the bottom column driving gear installation shaft; a bottom column driven gear mounting shaft is arranged on the outer side of the top end of the bottom column of the pneumatic spring, and a chain gear mounting seat is mounted on the bottom column driven gear mounting shaft;
a driving gear is arranged on a chain gear mounting seat at the bottom end of the pneumatic spring bottom column, and a driving rotating shaft is arranged on the driving gear and extends outwards; a limiting gear is arranged on a chain gear mounting seat at the top end of the pneumatic spring bottom column, and faces one side of the pneumatic column fixing plate;
the chain fixing plates are embedded into the chain through chain fixing holes at two ends; the lower surface of the chain fixing plate is provided with a clamping edge, and the clamping edge is matched with the clamping groove; the upper surface of the chain fixing plate is provided with a fixing mounting hole which is matched with the chain fixing plate mounting column, and the chain fixing plate is mounted on the chain fixing plate mounting column through the fixing mounting hole; the chain is sleeved outside the limiting gear and the driving gear;
the chain gear mounting seat comprises an adjusting nut, a connecting shaft and a gear seat, wherein the adjusting nut and the gear seat are respectively arranged at two ends of the connecting shaft, and the adjusting nut is matched with a bottom column driving gear mounting shaft and a bottom column driven gear mounting shaft; the lower surface of the gear seat is provided with a rotating shaft, and a limiting gear and a driving gear are installed on the rotating shaft.
The utility model provides a pneumatic spring lift table leg has simple structure, the characteristics of lift locking. The utility model has the advantages that: the pneumatic spring lifting column drives the pneumatic column fixing plate to lift through the lifting pneumatic spring top column;
the limiting gear, the driving gear and the chain form a movable pulley mechanism, the limiting gear and the driving gear are respectively arranged at two ends of the bottom column of the pneumatic spring, and a chain fixing plate on the chain is arranged on a chain fixing plate mounting column and a clamping groove; the pneumatic spring top column is fixed on the top plate; the chain fixing plate and the pneumatic spring top column are respectively fixed on the pneumatic column fixing plate through bolts; the movable pulley mechanism is driven to be locked by limiting the rotation of the gear, so that the effect of outwards popping up the locking pneumatic spring lifting column is achieved.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of a pneumatic spring table leg of the present invention;
fig. 2 is an exploded view of the pneumatic spring lifting table leg of the present invention.
Detailed Description
The purpose of the utility model can be realized by the following technical scheme:
a pneumatic spring lifting table leg is shown in figures 1-2 and comprises a pneumatic column fixing plate 1, a limiting gear 2, a driving gear 3, a chain 4, a pneumatic spring lifting column 5 and a chain gear mounting seat 6;
a pneumatic spring lifting column 5 is mounted on the pneumatic column fixing plate 1, two chain gear mounting seats 6 are respectively mounted at the bottom end and the middle of the pneumatic spring lifting column 5, and a driving gear 3 and a limiting gear 2 are respectively mounted on the two chain gear mounting seats 6; a chain 4 is arranged between the driving gear 3 and the limiting gear 2;
a top plate 11 is arranged on the top side of the pneumatic column fixing plate 1, the top plate 11 is vertically installed on the pneumatic column fixing plate 1, and a pneumatic top column installation hole 12 is formed in the top plate 11; a chain fixing plate mounting column 13 is arranged on the side wall of the bottom end of the top plate 11, and a clamping groove 14 is arranged on the top plate 11 on one side of the chain fixing plate mounting column 13;
the pneumatic spring lifting column 5 comprises a pneumatic spring bottom column 51 and a pneumatic spring top column 52, and the pneumatic spring top column 52 is arranged at the top end of the pneumatic spring bottom column 51; the top end of the pneumatic spring top column 52 is arranged on the top plate 11 through a pneumatic top column mounting hole 12; the pneumatic spring lifting column 5 drives the pneumatic column fixing plate 1 to lift through the lifting pneumatic spring top column 52;
the bottom end of the pneumatic spring bottom column 51 is provided with a bottom column driving gear mounting shaft 53, and a chain gear mounting seat 6 is mounted on the bottom column driving gear mounting shaft 53; a bottom column driven gear mounting shaft 54 is arranged on the outer side of the top end of the pneumatic spring bottom column 51, and a chain gear mounting seat 6 is mounted on the bottom column driven gear mounting shaft 54;
a driving gear 3 is arranged on a chain gear mounting seat 6 at the bottom end of the pneumatic spring bottom column 51, a driving rotating shaft 31 is arranged on the driving gear 3, and the driving rotating shaft 31 extends outwards; a limiting gear 2 is arranged on a chain gear mounting seat 6 at the top end of the pneumatic spring bottom column 51, and the limiting gear 2 faces one side of the pneumatic column fixing plate 1;
the chain 4 is provided with a chain fixing plate 41, and the chain fixing plate 41 is embedded into the chain 4 through chain fixing holes at two ends; the lower surface of the chain fixing plate 41 is provided with a clamping edge which is matched with the clamping groove 14; the upper surface of the chain fixing plate 41 is provided with a fixing mounting hole which is matched with the chain fixing plate mounting column 13, and the chain fixing plate 41 is mounted on the chain fixing plate mounting column 13 through the fixing mounting hole; the chain 4 is sleeved outside the limiting gear 2 and the driving gear 3;
the chain gear mounting seat 6 comprises an adjusting nut 61, a connecting shaft 62 and a gear seat 63, the two ends of the connecting shaft 62 are respectively provided with the adjusting nut 61 and the gear seat 63, and the adjusting nut 61 is matched with the bottom column driving gear mounting shaft 53 and the bottom column driven gear mounting shaft 54; the lower surface of the gear seat 63 is provided with a rotating shaft, and the rotating shaft is provided with a limiting gear 2 and a driving gear 3; the limiting gear 2, the driving gear 3 and the chain 4 form a movable pulley mechanism, the limiting gear 2 and the driving gear 3 are respectively arranged at two ends of a pneumatic spring bottom column 51, and a chain fixing plate 41 on the chain 4 is arranged on a chain fixing plate mounting column 13 and a clamping groove 14; the pneumatic spring top column 52 is fixed on the top plate 11; the chain fixing plate 41 and the pneumatic spring top column 52 are respectively fixed on the pneumatic column fixing plate 1 through bolts; the movable pulley mechanism is driven to be locked by limiting the rotation of the gear 2, so that the effect of outwards popping up the locking pneumatic spring lifting column 5 is achieved.
The utility model discloses a theory of operation:
the utility model is characterized in that a pneumatic spring lifting column 5 is arranged on a pneumatic column fixing plate 1, two chain gear mounting seats 6 are respectively arranged at the bottom end and the middle of the pneumatic spring lifting column 5, and a driving gear 3 and a limiting gear 2 are respectively arranged on the two chain gear mounting seats 6; a chain 4 is arranged between the driving gear 3 and the limiting gear 2;
the pneumatic spring lifting column 5 drives the pneumatic column fixing plate 1 to lift through the lifting pneumatic spring top column 52;
the limiting gear 2, the driving gear 3 and the chain 4 form a movable pulley mechanism, the limiting gear 2 and the driving gear 3 are respectively arranged at two ends of a pneumatic spring bottom column 51, and a chain fixing plate 41 on the chain 4 is arranged on a chain fixing plate mounting column 13 and a clamping groove 14; the pneumatic spring top column 52 is fixed on the top plate 11; the chain fixing plate 41 and the pneumatic spring top column 52 are respectively fixed on the pneumatic column fixing plate 1 through bolts; the movable pulley mechanism is driven to be locked by limiting the rotation of the gear 2, so that the effect of outwards popping up the locking pneumatic spring lifting column 5 is achieved.
The utility model provides a pneumatic spring lift table leg has simple structure, the characteristics of lift locking. The utility model has the advantages that: the pneumatic spring lifting column drives the pneumatic column fixing plate to lift through the lifting pneumatic spring top column;
the limiting gear, the driving gear and the chain form a movable pulley mechanism, the limiting gear and the driving gear are respectively arranged at two ends of the bottom column of the pneumatic spring, and a chain fixing plate on the chain is arranged on a chain fixing plate mounting column and a clamping groove; the pneumatic spring top column is fixed on the top plate; the chain fixing plate and the pneumatic spring top column are respectively fixed on the pneumatic column fixing plate through bolts; the movable pulley mechanism is driven to be locked by limiting the rotation of the gear, so that the effect of outwards popping up the locking pneumatic spring lifting column is achieved.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (7)
1. A pneumatic spring lifting table leg comprises a pneumatic column fixing plate (1), a limiting gear (2), a driving gear (3), a chain (4), a pneumatic spring lifting column (5) and a chain gear mounting seat (6), and is characterized in that;
a pneumatic spring lifting column (5) is mounted on the pneumatic column fixing plate (1), two chain gear mounting seats (6) are respectively mounted at the bottom end and the middle of the pneumatic spring lifting column (5), and a driving gear (3) and a limiting gear (2) are respectively mounted on the two chain gear mounting seats (6); a chain (4) is arranged between the driving gear (3) and the limiting gear (2).
2. The pneumatic spring lifting table leg as claimed in claim 1, wherein a top plate (11) is provided on the top side of the pneumatic column fixing plate (1), the top plate (11) is vertically installed on the pneumatic column fixing plate (1), and a pneumatic top column installation hole (12) is provided on the top plate (11); the side wall of the bottom end of the top plate (11) is provided with a chain fixing plate mounting column (13), and the top plate (11) on one side of the chain fixing plate mounting column (13) is provided with a clamping groove (14).
3. A pneumatic spring table leg as in claim 1, wherein the pneumatic spring table leg (5) comprises a pneumatic spring bottom column (51), a pneumatic spring top column (52), the pneumatic spring top column (52) is installed on the top of the pneumatic spring bottom column (51); the top end of the pneumatic spring support pillar (52) is arranged on the top plate (11) through a pneumatic support pillar mounting hole (12).
4. The pneumatic spring lifting table leg as claimed in claim 3, wherein the bottom end of the pneumatic spring bottom column (51) is provided with a bottom column driving gear mounting shaft (53), and the bottom column driving gear mounting shaft (53) is provided with a chain gear mounting seat (6); a bottom column driven gear mounting shaft (54) is arranged on the outer side of the top end of the pneumatic spring bottom column (51), and a chain gear mounting seat (6) is mounted on the bottom column driven gear mounting shaft (54).
5. A pneumatic spring lifting table leg as claimed in claim 3, wherein the chain gear mounting seat (6) at the bottom of the pneumatic spring bottom pillar (51) is provided with a driving gear (3), the driving gear (3) is provided with a driving rotating shaft (31), and the driving rotating shaft (31) extends outwards; a limiting gear (2) is installed on a chain gear installation seat (6) at the top end of a pneumatic spring bottom column (51), and the limiting gear (2) faces one side of a pneumatic column fixing plate (1).
6. A pneumatic spring table leg as in claim 1, wherein the chain (4) is provided with a chain fixing plate (41), and the chain fixing plate (41) is inserted into the chain (4) through the chain fixing holes at both ends; the lower surface of the chain fixing plate (41) is provided with a clamping edge, and the clamping edge is matched with the clamping groove (14); the upper surface of the chain fixing plate (41) is provided with a fixing mounting hole which is matched with the chain fixing plate mounting column (13), and the chain fixing plate (41) is mounted on the chain fixing plate mounting column (13) through the fixing mounting hole; the chain (4) is sleeved outside the limiting gear (2) and the driving gear (3).
7. The pneumatic spring lifting table leg as claimed in claim 1, wherein the chain gear mounting seat (6) comprises an adjusting nut (61), a connecting shaft (62) and a gear seat (63), the two ends of the connecting shaft (62) are respectively provided with the adjusting nut (61) and the gear seat (63), and the adjusting nut (61) is matched with the bottom column driving gear mounting shaft (53) and the bottom column driven gear mounting shaft (54); the lower surface of the gear seat (63) is provided with a rotating shaft, and the rotating shaft is provided with a limiting gear (2) and a driving gear (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920749247.1U CN210493113U (en) | 2019-05-23 | 2019-05-23 | Pneumatic spring lift table leg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920749247.1U CN210493113U (en) | 2019-05-23 | 2019-05-23 | Pneumatic spring lift table leg |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210493113U true CN210493113U (en) | 2020-05-12 |
Family
ID=70576339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920749247.1U Active CN210493113U (en) | 2019-05-23 | 2019-05-23 | Pneumatic spring lift table leg |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210493113U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111870025A (en) * | 2020-09-07 | 2020-11-03 | 浙江工贸职业技术学院 | Manual lifting table |
-
2019
- 2019-05-23 CN CN201920749247.1U patent/CN210493113U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111870025A (en) * | 2020-09-07 | 2020-11-03 | 浙江工贸职业技术学院 | Manual lifting table |
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