CN215801253U

CN215801253U - Manual clutch device for lifting ground pillar and lifting ground pillar adopting same

Info

Publication number: CN215801253U
Application number: CN202122232708.8U
Authority: CN
Inventors: 刘润根
Original assignee: Bisen Smart Access Co ltd
Current assignee: Bisen Smart Access Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-02-11
Anticipated expiration: 2031-09-15

Abstract

The utility model relates to a manual clutch device for a lifting ground pillar and an external clutch electric lifting ground pillar, belonging to the field of automatic lifting ground pillars. A manual clutch device for a lifting ground pillar and the lifting ground pillar adopting the device are arranged between a panel of the lifting ground pillar and a screw nut, and the clutch device comprises a clamping part, a connecting part, a limiting part and an elastic part; the clamping part is fixed below the lifting cylindrical panel and used for limiting the limiting part and the connecting part to rotate in a normal power supply state; one end of the connecting part is inserted into the clamping part, and the other end of the connecting part is fixed with the screw rod nut; the limiting part is arranged on the connecting part and can axially slide along the connecting part under the action of the elastic part; the elastic piece is sleeved on the circumference of the connecting part; under the outage state, spacing portion breaks away from block portion, realizes that manual control goes up and down the ground post cylinder. The utility model has the following advantages: 1. the risks of dismounting parts such as lifting ground pillar panels and the like in power failure and neglected installation, wrong installation and the like in the reloading process are avoided; 2. the application range is wide.

Description

Manual clutch device for lifting ground pillar and lifting ground pillar adopting same

Technical Field

The utility model relates to a manual clutch device for a lifting ground pillar and an external clutch electric lifting ground pillar, belonging to the field of automatic lifting ground pillars.

Background

The lifting ground pillar is used as an important supporting product of a smart city and is widely applied to entrances and exits of units, schools, parks and the like. Lifting ground posts in the current market are quite many in types, and most of the lifting ground posts are used for realizing road interception. With the use of a large number of electric lifting ground poles, power failure often occurs due to power load, maintenance and the like, and normal use of the electric lifting ground poles is affected. Therefore, the electric lifting ground column capable of being conveniently and manually operated to ascend and descend in the power-off state is designed according to market requirements. At present, a built-in clutch electric lifting ground column is adopted in the market, a series of steps such as face cover disassembly, pin pulling, cross shaft removal and the like are required, and parts are easy to neglect to be installed in the re-installation process, so that the product quality and the working efficiency are influenced.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a manual clutch device for a lifting column.

In order to achieve the purpose, the utility model adopts the following technical scheme: a manual clutch device for a lifting ground pillar is arranged between a lifting ground pillar panel and a screw nut, and comprises a clamping part, a connecting part, a limiting part and an elastic part; the clamping part is fixed below the lifting cylindrical panel and used for limiting the limiting part and the connecting part to rotate in a normal power supply state; one end of the connecting part is inserted into the clamping part, and the other end of the connecting part is fixed with the screw rod nut; the limiting part is arranged on the connecting part and can axially slide along the connecting part under the action of the elastic part; the elastic piece is sleeved on the circumference of the connecting part; under the power-off state, the limiting part is separated from the clamping part under the action of external force, and the screw rod nut rotates relative to the bearing fixing seat to realize the manual control of the ascending and descending of the lifting ground pillar body.

Preferably, the clamping part is provided with a through hole I and a groove in which the limit bit part is clamped, the through hole I is positioned at the axis of the clamping part, the groove is arranged along the radial direction of the clamping part, and the shape of the groove is matched with that of the limit part; one end of the connecting part is inserted into the through hole I, a through hole II and a semi-waist hole are formed along the axial direction of the connecting part, the through hole II is communicated with the semi-waist hole, and the semi-waist hole penetrates through the radial direction of the connecting part; the limiting part is of an inverted T shape, is installed in the half waist hole and can axially slide along the half waist hole under the action of external force, and the upper end of the limiting part penetrates through the through hole II and is inserted into an operating hole in the lifting cylindrical panel.

Preferably, the upper end of the limiting part is a hollow cylinder, and the shape of the inner section of the limiting part is matched with that of an operation wrench and used for inserting the operation wrench.

Preferably, the bottom of the limiting part is provided with a boss, and an inner ring at the upper end of the elastic piece is clamped in the boss and is provided with a small pre-tightening force.

Preferably, a boss and a clamp spring groove are arranged along the circumference of the connecting part, and the boss is fixedly connected with the screw rod nut; the clamp spring groove is used for installing a clamp spring; the boss and the clamp spring are respectively used for positioning the connecting part, so that the connecting part cannot move up and down relative to the cylinder supporting plate and the bearing; the lower end part of the elastic part is tightly attached to the upper end surface of the clamp spring.

Preferably, the bearing fixing seat is arranged in the lifting ground column body through the column body supporting plate and used for mounting a bearing; the bearing comprises a deep groove ball bearing and a tapered roller bearing which are arranged up and down.

Preferably, the connecting portion top is inside hollow cylinder, and the block portion is worn out at the top, inserts in the ground cylinder panel operation hole of going up and down, its external diameter and the adaptation of operation hole internal diameter, its internal diameter and spacing portion external diameter adaptation.

Another object of the present invention is to provide a lifting ground pillar, which comprises a lifting ground pillar panel, a lifting ground pillar body, a screw transmission mechanism, a driving motor and a ground base box, and further comprises the manual clutch device for the lifting ground pillar as described above.

Preferably, one end of the screw rod transmission mechanism is connected with the driving motor, and the other end of the screw rod transmission mechanism is connected with the screw rod nut; one end of the screw nut is in threaded connection with the screw rod, and the other end of the screw nut is connected with the connecting part.

Furthermore, the lifting floor column support device also comprises a panel support column, wherein the panel support column is arranged between the column support plate and the lifting floor column panel and is used for fixedly supporting the lifting floor column panel.

The working principle is as follows: the limiting part can slide up and down along the axial direction of the screw rod under the action of external force or a spring, but cannot rotate around the screw rod, so that synchronous rotation of the screw rod nut can be realized by rotating the limiting part; under the state of outage, when operation spanner inserts lift ground cylinder board handle hole, can promote spacing portion and move down, make it deviate from the block portion restriction on the lift ground cylinder board, realize manual operation. The lifting ground pillar column body is welded with the column body supporting plate and moves synchronously with the lifting ground pillar column body; the clamping part is fixed with the lifting cylindrical panel and is used for matching with the limiting part to work; the screw rod nut is fixed with the connecting part and matched with the electric lifting ground pillar screw rod to form a transmission system.

Compared with the prior art, the utility model has the following advantages:

1. the elastic piece can be pressed down by an operating wrench directly through an operating hole reserved on the lifting ground pillar panel, so that the limiting piece is disengaged from the clamping part on the lifting ground pillar panel, and the risks of dismounting the lifting ground pillar panel, the supporting pillar and other parts in the power failure process, neglected assembly, wrong assembly and the like in the re-assembly process are avoided;

2. the application range is wide.

Drawings

FIG. 1 is a schematic diagram of the mechanism of an embodiment of the present invention;

FIG. 2 is a schematic view of a manual clutching device in an embodiment of the present invention;

FIG. 3 is a schematic view of the spacing pin of FIG. 2;

FIG. 4 is a schematic view of the end of the screw nut of FIG. 2;

FIG. 5 is a state diagram of a spacing pin and chuck (in a power-off state) according to an embodiment of the present invention;

FIG. 6 is a state diagram of a spacing pin and a chuck (in a normal operating state) according to an embodiment of the present invention;

FIG. 7 is a schematic view of the lifting floor column panel and the chuck according to the embodiment of the present invention;

in fig. 1-7, 1, a lifting ground pillar panel; 1-1, an operation hole; 2. a spacing pin; 2-1, a boss; 3. a bearing fixing seat; 4. a tapered roller bearing; 5. a feed screw nut; 6. lifting ground pillar foundation box panels; 7. a sliding guide sleeve; 8. a screw rod sheath; 9. a screw rod; 10. a reduction motor; 11. a foundation box; 12. a lamp ring; 13. a deep groove ball bearing; 14. a lifting ground pillar column; 15. a chuck; 15-1, a through hole I; 15-2, a groove; 16. a panel support post; 17. a spring; 18. a clamp spring; 19. a column pallet; 20. a screw nut end; 20-1, a small cylindrical head end; 20-2, cylindrical end; 20-3, a boss; 20-4, half waist hole; 20-5, a clamp spring groove; 20-6 and a through hole II.

Detailed Description

It should be noted that, in the present embodiment, the terms "upper", "lower", "top", "bottom", "center", etc. are described according to the drawings, and do not limit the present invention. In addition, in the present embodiment, "connected" and the like may be directly connected, connected through a certain component or element, welded and the like, and those skilled in the art should understand that the technical solution of the present embodiment is met.

The utility model is described in further detail below with reference to the accompanying figures 1-7: a lifting ground pillar adopting a manual clutch device is shown in figure 1 and comprises a lifting ground pillar panel 1, a screw rod nut 5, a screw rod 9, a speed reducing motor 10, a foundation box 11, a lifting ground pillar body 14 and the manual clutch device; the lifting ground column panel 1 is installed on the top of the lifting ground column body 14 and is supported by a panel supporting column 16 for sealing the lifting ground column body 14; the panel supporting column 16 is arranged between the column supporting plate 19 and the lifting cylindrical panel 1; the column body supporting plate 19 is welded in the lifting ground column body 14, and is connected with the fixed bearing fixing seat 3 through a bolt; the bearing fixing seat 3 is used for mounting a bearing; the manual clutch device is arranged between the feed screw nut 5 and the lifting cylindrical panel 1 and penetrates through the bearing; in a normal state, the screw rod 9 is driven by the speed reducing motor 10 to enable the lifting ground pillar body 14 to ascend or descend, in a power-off state, the screw rod 9 is fixed, and the screw rod nut 5 is rotated by rotating the manual clutch device, so that the lifting ground pillar body 14 is manually operated to ascend or descend;

the speed reducing motor 10 is arranged in the foundation box 11 and is close to the bottom of the foundation box, and a power output shaft of the speed reducing motor is connected with the screw rod 9; one end of the feed screw nut 5 is in threaded connection with the feed screw 9, and the other end is connected with and fixed with a feed screw nut end 20; in order to protect the lead screw 9, a lead screw sheath 8 is sleeved outside the lead screw 9, the bottom of the lead screw sheath 8 is arranged on a shell of a speed reducing motor 10, when the lead screw nut 5 ascends along the lead screw 9, namely, the lifting pillar 14 is in an open state, and the top of the lead screw sheath 8 is close to the bottom of the lead screw nut 5; in order to seal the foundation box 11, a lifting ground pillar foundation box panel 6 is arranged at the top of the foundation box 11, and an opening for accommodating the lifting ground pillar 14 to ascend or descend is formed in the lifting ground pillar foundation box panel 6; in order to restrict the lifting/lowering of the ground pillar 14 from shaking, a slide guide 7 is installed in the foundation box 11.

In the embodiment, the bearing comprises a deep groove ball bearing 13 and a tapered roller bearing 4 which are arranged up and down and are arranged in the bearing fixing seat 3; the end part of the screw nut 5 and the end 20 of the screw nut are welded into a whole, and the screw nut rotates relative to the bearing fixing seat 3 through the deep groove ball bearing 13 and the tapered roller bearing 4.

In the present embodiment, as shown in fig. 2-4 and 7, the manual clutch device includes a chuck 15, a positioning pin 2, a feed screw nut head 20 and a spring 17; the chuck 15 is used as a clamping part and welded below the lifting cylindrical plate 1, a through hole I15-1 and a groove 15-2 for clamping the limit pin 2 are formed in the chuck 15, the through hole I is positioned at the axis of the chuck 15 and corresponds to an operation hole in the lifting cylindrical plate 1 and is used for inserting the end head 20 of the screw nut, the groove is radially arranged along the chuck 15 and is a through groove, namely the opening end of the groove is positioned on the circumference of the chuck 15, and the inner diameter of the groove is matched with the maximum outer diameter of the limit pin 2; the feed screw nut end 20 is used as a connecting part and sequentially comprises a cylindrical small end 20-1, a cylindrical end 20-2 and a boss 20-3 from top to bottom, the cylindrical small end is inserted into an operation hole in the lifting floor column panel 1, the cylindrical end is inserted into the through hole I15-1, meanwhile, a through hole II 20-6 and a semi-waist hole 20-4 are formed along the axial direction of the feed screw nut end 20, the through hole II is communicated with the semi-waist hole, the semi-waist hole penetrates through the radial direction of the feed screw nut end 20, the boss is arranged around the circumference of the feed screw nut end 20, the radial dimension of the boss is larger than that of the cylindrical end, and the lower surface of the boss is welded and fixed with the feed screw nut 5; the limiting pin 2 is used as a limiting part, is inverted T-shaped, is installed in the semi-waist hole, can axially slide along the semi-waist hole under the action of external force, a top cylinder of the limiting pin passes through the through hole II 20-6 and is inserted into the operation hole 1-1 on the lifting ground pillar panel 1, the top cylinder and the through hole II are flush with the upper surface of the operation hole, the bottom end of the limiting pin 2 is provided with a boss 2-1, and the radial size of the boss is close to that of the cylindrical end of the screw nut end 20 and is smaller than the maximum outer diameter of the limiting pin 2; the spring 17 is sleeved on the circumference of the end 20 of the feed screw nut.

In the embodiment, the top end cylinder of the limit pin 2 is hollow, and the internal cross section of the limit pin is hexagonal and used for inserting an operation wrench; meanwhile, the outer diameter of the cylindrical small end of the feed screw nut end 20 is matched with the inner diameter of the operation hole, and the inner diameter of the cylindrical small end is matched with the outer diameter of the top end cylinder of the limiting pin 2.

In the embodiment, as shown in fig. 2, a clamp spring groove 20-5 is further formed around the circumference of the end 20 of the feed screw nut, the clamp spring groove is formed in the cylindrical end 20-2 and used for installing a clamp spring 18, the lower end of the spring 17 is tightly attached to the upper end face of the clamp spring 18, the upper end face of the spring is in contact with the lower bottom face of the limit pin 2, and the inner ring of the spring 17 is clamped in the boss 2-1 of the limit pin 2 and is provided with a small pre-tightening force; under the action of the spring 17 and the guiding action of the upper end cylinder and the end 20 of the screw nut, the limiting pin 2 makes the upper end surface contact with the lower end surface of the chuck 15, namely, the limiting pin 2 is clamped into the groove of the chuck 15.

For the sake of beauty and also for the purpose of reminding passing pedestrians, a lamp ring 12 is provided below the lifting ground pillar 1, and the lamp ring 12 is provided around the circumference of the lifting ground pillar 14.

The working principle is as follows:

as shown in fig. 6, in a normal power supply state, the upper portion of the limiting pin 2 is clamped into the groove of the chuck 15 under the action of the spring 17, so as to restrict the rotation freedom of the Z-axis of the feed screw nut, and the feed screw nut 5 can be prevented from rotating relative to the lifting stud 14. In the process, the screw rod and the screw rod nut move in a matched mode, and the electric lifting ground pillar can ascend and descend.

As shown in fig. 5, in the power-off state, the upper portion of the limit pin 2 will be separated from the groove of the chuck 15 under the action of the operation wrench, and the Z-axis rotational freedom of the lead screw nut will be released, so that the lead screw nut 5 can rotate relative to the bearing fixing seat 3. Considering that the electric lifting ground pillar is in a power-off state, the speed reducing motor 10 is self-locked, so that the relative rotation of the screw rod 9 is limited. The stop pin 2 drives the screw rod nut 5 to rotate relative to the screw rod 9, and the lifting pillar body can be manually controlled to move up and down.

The external clutch can be used for systems such as an electric lifting ground column, a semi-automatic screw rod transmission lifting ground column and the like in an import and export management system.

Claims

1. The utility model provides a manual clutch of ground post goes up and down, installs between ground post panel and screw-nut goes up and down, its characterized in that: the clutch device comprises a clamping part, a connecting part, a limiting part and an elastic part; the clamping part is fixed below the lifting cylindrical panel and used for limiting the limiting part and the connecting part to rotate in a normal power supply state; one end of the connecting part is inserted into the clamping part, and the other end of the connecting part is fixed with the screw rod nut; the limiting part is arranged on the connecting part and can axially slide along the connecting part under the action of the elastic part; the elastic piece is sleeved on the circumference of the connecting part; under the power-off state, the limiting part is separated from the clamping part under the action of external force, and the screw rod nut rotates relative to the bearing fixing seat to realize the manual control of the ascending and descending of the lifting ground pillar body.

2. The manual lifting and lowering pole clutch device of claim 1, wherein: the clamping part is provided with a through hole I and a groove in which the limit position part is clamped, the through hole I is positioned at the axis of the clamping part, the groove is arranged along the radial direction of the clamping part, and the shape of the groove is matched with that of the limit part; one end of the connecting part is inserted into the through hole I, a through hole II and a semi-waist hole are formed along the axial direction of the connecting part, the through hole II is communicated with the semi-waist hole, and the semi-waist hole penetrates through the radial direction of the connecting part; the limiting part is of an inverted T shape, is installed in the half waist hole and can axially slide along the half waist hole under the action of external force, and the upper end of the limiting part penetrates through the through hole II and is inserted into an operating hole in the lifting cylindrical panel.

3. The manual lifting and lowering pole clutch device of claim 2, wherein: the upper end of the limiting part is a hollow cylinder, and the shape of the inner section of the limiting part is matched with that of the operating wrench.

4. The manual lifting and lowering ground pillar clutch device according to claim 2 or 3, wherein: the bottom of the limiting part is provided with a boss, and the inner ring at the upper end of the elastic piece is clamped in the boss and is provided with a small pretightening force.

5. The manual lifting and lowering post clutch device according to claim 4, wherein: a boss and a clamp spring groove are arranged along the circumference of the connecting part, and the boss is fixedly connected with the screw rod nut; the clamp spring groove is used for installing a clamp spring; the boss and the clamp spring are respectively used for positioning the connecting part, so that the connecting part cannot move up and down relative to the cylinder supporting plate and the bearing; the lower end part of the elastic part is tightly attached to the upper end surface of the clamp spring.

6. The manual lifting and lowering pole clutch device of claim 1, wherein: the bearing fixing seat is arranged in the lifting ground column body through the column body supporting plate and used for mounting a bearing; the bearing comprises a deep groove ball bearing and a tapered roller bearing which are arranged up and down.

7. The manual lifting and lowering pole clutch device of claim 2, wherein: the top of the connecting part is a hollow cylinder, the clamping part is penetrated out of the top of the connecting part, the connecting part is inserted into the lifting ground cylindrical panel operation hole, the outer diameter of the connecting part is matched with the inner diameter of the operation hole, and the inner diameter of the connecting part is matched with the outer diameter of the limiting part.

8. The utility model provides a post goes up and down, includes post panel, post cylinder, lead screw drive mechanism, driving motor and cylinder layer board, its characterized in that go up and down: the manual clutch device for the lifting ground column is further comprised according to any one of claims 1 to 7.

9. The lifting ground column of claim 8, wherein: one end of the screw rod transmission mechanism is connected with the driving motor, and the other end of the screw rod transmission mechanism is connected with the screw rod nut; one end of the screw nut is in threaded connection with the screw rod, and the other end of the screw nut is connected with the connecting part.

10. The lifting ground column of claim 8, wherein: the lifting floor column support is arranged between the column body support plate and the lifting floor column panel and is used for fixedly supporting the lifting floor column panel.