CN214743131U - Shield type unpowered lifting push rod - Google Patents
Shield type unpowered lifting push rod Download PDFInfo
- Publication number
- CN214743131U CN214743131U CN202022850372.7U CN202022850372U CN214743131U CN 214743131 U CN214743131 U CN 214743131U CN 202022850372 U CN202022850372 U CN 202022850372U CN 214743131 U CN214743131 U CN 214743131U
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- screw rod
- pipe
- lifting
- gear box
- push rod
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Abstract
The utility model discloses a hood-type unpowered lifting push rod, which comprises a gear box, a transmission screw rod, a screw rod shell, a lifting pipe and a transmission nut, wherein the gear box is fixedly connected to the bottom of the screw rod shell; the lifting pipe comprises an inner pipe and an outer pipe, the top ends of the inner pipe and the outer pipe are fixed together, and the screw rod outer shell is inserted between the inner pipe and the outer pipe; the transmission screw rod is in threaded matching with the transmission nut; a first bevel gear and a second bevel gear which are meshed with each other are arranged in the gear box, the end part of the transmission screw rod is fixedly connected with the first bevel gear, and the end part of a rotating shaft of the second bevel gear is provided with an input interface. The utility model can effectively prevent oil stain or dust from entering the transmission mechanism, and ensure the normal operation of the lifting push rod; and the utility model discloses can the different power mode of adaptation.
Description
Technical Field
The utility model relates to a lifting push rod technical field, concretely relates to unpowered lifting push rod of shroud formula.
Background
The existing lifting push rod mostly adopts a transmission mode of a screw rod nut, relative linear movement of the nut is realized through rotation of a screw rod, and complete sealing of an internal transmission structure is difficult to realize due to the relative linear movement relation of the screw rod nut and the nut. Take the head panel lift push rod who is applied to integrated kitchen or split type cigarette machine as the example, this type of lift push rod who is applied to kitchen electricity generally adopts electric putter, and its motor is in the same place with the push rod integration, and no seal structure can lead to greasy dirt or dust to get into inside transmission structure, influences its normal operating. In addition, the existing lifting push rod has a single power mode, a motor is generally adopted to provide power, and the application of the existing lifting push rod in some occasions without power is limited, for example, when the existing lifting push rod is applied to a lifting table, the existing lifting push rod cannot be provided with power in other modes such as a manual mode.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an unpowered lift push rod of shroud formula aims at solving the problem among the prior art that above-mentioned background art provided.
The above technical problem of the present invention can be solved by the following technical solutions: the protective cover type unpowered lifting push rod comprises a gear box, a transmission screw rod, a screw rod shell, a lifting pipe and a transmission nut, wherein the gear box is fixedly connected to the bottom of the screw rod shell;
the lifting pipe comprises an inner pipe and an outer pipe, the top ends of the inner pipe and the outer pipe are fixed together, and the screw rod shell is inserted between the inner pipe and the outer pipe, so that the lifting pipe can slide up and down relative to the screw rod shell; the transmission nut is fixedly connected in the inner tube, and the transmission screw rod is in threaded matching with the transmission nut;
a first bevel gear and a second bevel gear which are meshed with each other are arranged in the gear box, the end part of the transmission screw rod penetrates through the gear box to be fixedly connected with the first bevel gear, and the end part of a rotating shaft of the second bevel gear is provided with an input interface.
Further, the gear box is provided with an opening corresponding to the input interface.
Further, the input interface is an inner polygonal interface.
Further, the input interface is an inner hexagonal interface.
Further, the transmission screw rod is rotatably mounted on the gear box through a bearing.
Furthermore, the top ends of the inner pipe and the outer pipe are closed and fixedly connected through bolts.
Furthermore, the sections of the screw rod shell, the inner tube and the outer tube are all square.
Furthermore, a first guide sleeve is arranged at the opposite bottom of the outer pipe, and the inner diameter of the first guide sleeve is matched with the outer diameter of the screw rod shell; and a second guide sleeve is arranged at the opposite top of the screw rod shell, and the inner diameter of the second guide sleeve is matched with the outer diameter of the inner tube.
Furthermore, the first guide sleeve is embedded into and clamped at an opening at the bottom of the outer pipe; the second guide sleeve is embedded into and clamped at the opening at the top opposite to the screw rod shell.
Compared with the prior art, the utility model, its beneficial effect lies in:
1. the utility model discloses a shield formula structure protects the inside transmission structure of lifting push rod, avoids greasy dirt or dust etc. to get into inside, has guaranteed lifting push rod's normal operating, helps prolonging its life.
2. The utility model discloses an unpowered push rod, but the different power mode of adaptation, like motor drive or hand formula drive, can select arbitrary one kind of mode as required to provide power, enlarged its range of application, for example be applied to the panel lift of integrated kitchen, the head lift of split type cigarette machine etc. through motor drive's mode, also can be applied to lift table etc. through hand mode.
Drawings
Fig. 1 is a schematic view of the exploded structure of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a schematic cross-sectional view of the present invention.
Fig. 4 is a schematic structural view of the middle outer tube and the first guide sleeve of the present invention.
Fig. 5 is a schematic structural view of the middle screw rod shell and the second guide sleeve of the present invention.
Fig. 6 is a schematic structural diagram of the second bevel gear of the present invention.
In the figure: 1. a gear case; 2. a transmission screw rod; 3. a screw rod shell; 4. a drive nut; 5. a first bevel gear; 6. a second bevel gear; 7. an input interface; 8. an inner tube; 9. an outer tube; 10. a bolt; 11. a first guide sleeve; 12. a second guide sleeve; 13. gear case lid.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further specifically described below by way of embodiments and with reference to the accompanying drawings.
Example (b): a shield type unpowered lifting push rod is shown in figures 1-6 and comprises a gear box 1, a transmission screw rod 2, a screw rod shell 3, a lifting pipe and a transmission nut 4.
Wherein, gear box 1 fixed connection is in the bottom of lead screw shell 3, and 3 open-top of lead screw shell, drive screw 2 are located lead screw shell 3, and the one end of drive screw 2 inserts to gear box 1 in to install on gear box 1 through the bearing, the bottom of gear box 1 is equipped with gear box lid 13. A first bevel gear 5 and a second bevel gear 6 which are vertically meshed with each other are arranged in the gear box 1, the end part, located in the gear box 1, of the transmission screw rod 2 is fixedly connected with the first bevel gear 5, an input interface 7 is arranged at the end part of a rotating shaft of the second bevel gear 6, and an opening corresponding to the input interface 7 is formed in the side face of the gear box 1. In this embodiment, the input interface 7 is a socket head adapter.
The lifting pipe comprises an inner pipe 8 and an outer pipe 9 sleeved outside the inner pipe 8, the bottom ends of the inner pipe 8 and the outer pipe 9 are both open, the top ends of the inner pipe 8 and the outer pipe 9 are both closed, the top surfaces of the inner pipe 8 and the outer pipe 9 are fixed together through a bolt 10, a gap is formed between the inner pipe 8 and the outer pipe 9, and the screw rod shell 3 is inserted into the gap between the inner pipe 8 and the outer pipe 9, so that the lifting pipe can slide up and down relative to the screw rod shell 3; the transmission nut 4 is fixedly embedded in the inner tube 8, and the transmission screw rod 2 is in threaded matching with the transmission nut 4.
In the embodiment, in order to provide better guiding and sealing effects, a first guide sleeve 11 is arranged at the opposite bottom of the outer tube 9, and the inner diameter of the first guide sleeve 11 is matched with the outer diameter of the screw rod shell 3; and a second guide sleeve 12 is arranged at the opposite top of the screw rod shell 3, and the inner diameter of the second guide sleeve 12 is matched with the outer diameter of the inner pipe 8. Specifically, the first guide sleeve 11 is embedded in and clamped at the opening at the opposite bottom of the outer tube 9; the second guide sleeve 12 is embedded and clamped at the opposite top opening of the screw rod shell 3. The four sides of the first guide sleeve 11 and the second guide sleeve 12 are provided with buckles, and the corresponding outer tube 9 is provided with clamping grooves around the relative bottom and the relative top of the screw rod shell 3.
The cross sections of the screw rod shell 3, the inner tube 8 and the outer tube 9 are all square in the embodiment.
In the specific implementation of this embodiment, the second bevel gear 6 can be driven to rotate by a hexagonal wrench in a hand-cranking driving manner, for example, the driving device is applied to a non-power device such as a lifting table; the second bevel gear 6 can also be driven to rotate by installing a hexagonal transmission piece matched with the input interface 7 on the output shaft of the motor, for example, the hexagonal transmission piece is applied to equipment such as an integrated stove and a split type smoke machine. The second bevel gear 6 drives the first bevel gear 5 to rotate, further drives the transmission screw rod 2 to rotate, and drives the lifting pipe to move up and down through the threaded fit of the transmission screw rod 2 and the transmission nut 4.
Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above-described embodiments, and many modifications are possible. All changes and modifications that may be made by the technical spirit of the present invention to the above embodiments by simple modification are considered to fall within the scope of the present invention.
Claims (9)
1. The hood-type unpowered lifting push rod is characterized by comprising a gear box, a transmission screw rod, a screw rod shell, a lifting pipe and a transmission nut, wherein the gear box is fixedly connected to the bottom of the screw rod shell;
the lifting pipe comprises an inner pipe and an outer pipe, the top ends of the inner pipe and the outer pipe are fixed together, and the screw rod shell is inserted between the inner pipe and the outer pipe, so that the lifting pipe can slide up and down relative to the screw rod shell; the transmission nut is fixedly connected in the inner tube, and the transmission screw rod is in threaded matching with the transmission nut;
a first bevel gear and a second bevel gear which are meshed with each other are arranged in the gear box, the end part of the transmission screw rod penetrates through the gear box to be fixedly connected with the first bevel gear, and the end part of a rotating shaft of the second bevel gear is provided with an input interface.
2. The hood-type unpowered lifting push rod according to claim 1, wherein the gear box is provided with an opening corresponding to the input interface.
3. The shroud unpowered lifting pushrod according to claim 1 or claim 2 wherein the input interface is an internal polygonal interface.
4. The hood-type unpowered lifting pushrod according to claim 3, wherein the input port is a socket head.
5. The shroud unpowered lift pushrod of claim 1 wherein the drive screw is rotatably mounted to the gear box by a bearing.
6. The hood-type unpowered lifting push rod according to claim 1, wherein the top ends of the inner tube and the outer tube are closed and fixedly connected through bolts.
7. The hood-type unpowered lifting push rod according to claim 1, wherein the lead screw housing, the inner tube and the outer tube are square in cross section.
8. The hood-type unpowered lifting push rod according to claim 1 or 7, wherein a first guide sleeve is arranged at the opposite bottom of the outer pipe, and the inner diameter of the first guide sleeve is matched with the outer diameter of the screw rod shell; and a second guide sleeve is arranged at the opposite top of the screw rod shell, and the inner diameter of the second guide sleeve is matched with the outer diameter of the inner tube.
9. The hood-type unpowered lifting pushrod according to claim 8 wherein the first guide sleeve is inserted into and snapped into the outer tube at the opposite bottom opening; the second guide sleeve is embedded into and clamped at the opening at the top opposite to the screw rod shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022850372.7U CN214743131U (en) | 2020-12-02 | 2020-12-02 | Shield type unpowered lifting push rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022850372.7U CN214743131U (en) | 2020-12-02 | 2020-12-02 | Shield type unpowered lifting push rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214743131U true CN214743131U (en) | 2021-11-16 |
Family
ID=78617627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022850372.7U Active CN214743131U (en) | 2020-12-02 | 2020-12-02 | Shield type unpowered lifting push rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214743131U (en) |
-
2020
- 2020-12-02 CN CN202022850372.7U patent/CN214743131U/en active Active
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