CN209352493U - Internal key pipe flat screw synchronous elevating lever - Google Patents
Internal key pipe flat screw synchronous elevating lever Download PDFInfo
- Publication number
- CN209352493U CN209352493U CN201920015335.9U CN201920015335U CN209352493U CN 209352493 U CN209352493 U CN 209352493U CN 201920015335 U CN201920015335 U CN 201920015335U CN 209352493 U CN209352493 U CN 209352493U
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- tube
- lead screw
- inner tube
- wall
- pipe
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Abstract
The utility model discloses a kind of internal key pipe flat screw synchronous elevating levers, the lead-screw driving device with tube body and tube body, and tube body includes push pipe, bottom tube and inner tube, and lead-screw driving device includes bottom lead screw, push pipe lead screw and inner tube lead screw；Circular ring shape pipe sleeve is housed on the upper end inner wall of the bottom tube and inner tube, have in the bottom tube of circular ring shape pipe sleeve lower part and the inner wall of inner tube along axial inner wall feather key, the circular ring shape pipe sleeve has ring pipe body, and the inner wall of pipe sleeve body is equipped with the ring-shaped rubber sealing ring matched with adjacent inner tube or push pipe outer wall；There is the guide groove of trapping matched with the inner wall feather key on the outer wall that the circular ring shape being connected between said inner tube and corresponding inner tube lead screw lower end is trapped.The utility model can prevent rainwater and dust in external environment from entering inside elevating lever and cause burn into screw rod driving device so as to extend the service life of screw rod driving device.
Description
Technical field
The utility model relates to a kind of synchronization lifting bars, concretely relate to a kind of internal key pipe flat screw synchronous lifting
Bar.
Background technique
In the prior art, application publication number is that the application for a patent for invention of CN104961066A discloses a kind of " multifibres thick stick machine
Tool elevating lever ".
Above-mentioned multi-thread bar mechanical lifter in the prior art, the lead-screw driving device with tube body and tube body, the pipe
Body includes more round tubes, most in a round tube be push pipe, an outermost round tube is bottom tube, remaining round tube is inner tube, institute
Stating lead-screw driving device includes more round tube lead screws, most in a round tube lead screw be bottom lead screw, an outermost round tube lead screw
It is push pipe lead screw, remaining round tube lead screw is inner tube lead screw；The excircle of bottom lead screw and inner tube lead screw has axial because machining away
Arch column and have radial pin hole in the lower end nozzle of the axial plane formed, push pipe lead screw and inner tube lead screw, radial pin hole is embedded
There is the arch pin block that can be slided in the axial plane of adjacent inboard lead screw excircle；Have and push up in the lower end nozzle of the push pipe
The connected nut of pipe lead screw engagement, is connected with circular ring shape between inner tube and the lower end of corresponding inner tube lead screw and traps, circular ring shape is trapped interior
It is connected with bearing between the upper section and inner tube lead screw in hole, the trap lower section of inner hole of circular ring shape has and engages with the round tube lead screw of adjacent inboard
Connected nut, the trap nut of inner hole lower section of bottom lead screw and adjacent cylindrical engage and are connected.
Above-mentioned multi-thread bar mechanical lifter in the prior art has the disadvantage that the lifting due to tube body is using interior
The guide groove cooperation covered on inner wall on feather key and adjacent inner tube and bottom tube upper end circular ring shape on pipe and push pipe outer wall is next real
Existing, this results in rainwater in long-time use process external environment and dust by covering the guide groove on inner wall on circular ring shape
It enters inside elevating lever, corrosion is generated to screw rod, affects the whole service life of screw rod driving device.
Utility model content
It can be prevented in external environment in use the technical problem to be solved by the present invention is to provide a kind of
Rainwater and dust, which enter inside elevating lever, causes burn into screw rod driving device so as to extend screw rod driving device and use
The internal key pipe flat screw synchronous elevating lever in service life.
In order to solve the above technical problems, the internal key pipe flat screw synchronous elevating lever of the utility model, has tube body and pipe
The lead-screw driving device of body, the tube body include more round tubes, most in a round tube be push pipe, an outermost round tube is bottom
Pipe, remaining round tube is inner tube, and the lead-screw driving device includes more round tube lead screws, most in a round tube lead screw be bottom silk
Thick stick, an outermost round tube lead screw is push pipe lead screw, remaining round tube lead screw is inner tube lead screw；Bottom lead screw and inner tube lead screw it is outer
Circumference has an axial plane formed because machining away axial arch column, has diameter in the lower end nozzle of push pipe lead screw and inner tube lead screw
To pin hole, radial pin hole is embedded with the arch pin block that can be slided in the axial plane of adjacent inboard lead screw excircle；The top
Have in the lower end nozzle of pipe and engage connected nut with push pipe lead screw, is connected with annulus between inner tube and the lower end of corresponding inner tube lead screw
Shape is trapped, circular ring shape trap inner hole upper section and inner tube lead screw between be connected with bearing, the trap lower section of inner hole of circular ring shape has and phase
The connected nut of the round tube lead screw engagement of adjacent inside, bottom lead screw and adjacent cylindrical trap inner hole lower section nut engage it is connected；
Circular ring shape pipe sleeve is housed, positioned at the bottom tube of circular ring shape pipe sleeve lower part and the inner wall of inner tube on the upper end inner wall of the bottom tube and inner tube
Upper with along axial inner wall feather key, the circular ring shape pipe sleeve has ring pipe body, and the inner wall of pipe sleeve body is equipped with and phase
The ring-shaped rubber sealing ring that adjacent inner tube or push pipe outer wall matches；It is connected between said inner tube and corresponding inner tube lead screw lower end
There is the guide groove of trapping matched with the inner wall feather key on the outer wall that circular ring shape is trapped.
Internal key pipe flat screw synchronous elevating lever using the above structure, passes through the upper end inner wall in the bottom tube and inner tube
It is upper that circular ring shape pipe sleeve is housed, have in the bottom tube of circular ring shape pipe sleeve lower part and the inner wall of inner tube and is oriented to along axial inner wall
Key is equipped with the ring-shaped rubber sealing ring matched with adjacent inner tube or push pipe outer wall in the inner wall of circular ring shape pipe sleeve, adopts simultaneously
What setting matched on the outer wall trapped with the circular ring shape being connected between said inner tube and corresponding inner tube lead screw lower end traps and leads
To the structure of slot, the lifting of tube body can be realized, while can also realize that the top between tube body inner tube and pipe seals, can effectively prevent
Only the rainwater in external environment and dust enter inside elevating lever and cause to corrode to screw rod driving device, so as to extend silk
The service life of rod driving device.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 is the main cross section structure diagram of the utility model internal key pipe flat screw synchronous elevating lever closed state.
Fig. 2 is the main cross section structure diagram of the push pipe in the utility model middle tube body.
Fig. 3 is the main view enlarged diagram of inner tube lead screw.
Fig. 4 is the schematic top plan view of Fig. 3.
Fig. 5 is the schematic side view of Fig. 3.
Fig. 6 is the main view enlarged diagram of arch pin block.
Fig. 7 is the schematic top plan view of Fig. 6.
Fig. 8 is the schematic side view of Fig. 6.
Fig. 9 is inner tube to be trapped the main cross section structure diagram being connected with corresponding inner tube lead screw by circular ring shape.
Figure 10 is the overlooking structure diagram that circular ring shape is trapped in the utility model.
Figure 11 is the schematic cross-sectional view of the line A-A along Figure 10.
Figure 12 is that the main sectional structure for the circular ring shape pipe sleeve installed on bottom tube or upper end of inner tube inner wall in the utility model shows
It is intended to.
Figure 13 is the cross section structure schematic diagram of bottom tube or inner tube in the utility model.
Main cross section structure diagram when Figure 14 is the utility model internal key pipe flat screw synchronous elevating lever unfolded state.
Specific embodiment
Referring to Fig. 1-Figure 14, the utility model internal key pipe flat screw synchronous elevating lever, with tube body 100 and tube body
Lead-screw driving device 200, the tube body include more round tubes 101,102,103,104,105,106,107, most in a circle
Pipe is push pipe 107, and an outermost round tube is bottom tube 101, remaining round tube is inner tube 102,103,104,105,106, described
Lead-screw driving device 200 include more round tube lead screws 201,202,203,204,205,206, most in a round tube lead screw be bottom
Lead screw 201, an outermost round tube lead screw is push pipe lead screw 206, remaining round tube lead screw be inner tube lead screw 202,203,204,
205；The excircle of bottom lead screw and inner tube lead screw has the axial plane 131 formed because machining away axial arch column, push pipe silk
There is radial pin hole 132 in the lower end nozzle of thick stick and inner tube lead screw, radial pin hole is embedded with can be in adjacent inboard lead screw excircle
The arch pin block 23 of axial plane sliding；Have in the lower end nozzle of the push pipe and engage connected nut 108 with push pipe lead screw,
It is connected with circular ring shape between inner tube and the lower end of corresponding inner tube lead screw and traps 300, circular ring shape is trapped the upper section and inner tube lead screw of inner hole
Between be connected with bearing 301, the trap lower section of inner hole of circular ring shape has and engages connected nut 302 with the round tube lead screw of adjacent inboard,
The trap nut of inner hole lower section of bottom lead screw and adjacent cylindrical engages and is connected；Equipped with circle on the upper end inner wall of the bottom tube and inner tube
Annular pipe sleeve 110 has in the bottom tube of circular ring shape pipe sleeve lower part and the inner wall of inner tube along axial inner wall feather key 120,
The circular ring shape pipe sleeve has ring pipe body 111, and the inner wall of pipe sleeve body is equipped with to match with adjacent inner tube or push pipe outer wall
The ring-shaped rubber sealing ring 112 of conjunction；The circular ring shape being connected between said inner tube and corresponding inner tube lead screw lower end trap 300 outer wall
It is upper that there is the guide groove 303 of trapping matched with the inner wall feather key 120.
Claims (1)
1. a kind of internal key pipe flat screw synchronous elevating lever, the lead-screw driving device (200) with tube body (100) and tube body, institute
Stating tube body includes more round tubes (101,102,103,104,105,106,107), most in a round tube be push pipe (107), most
An outer round tube is bottom tube (101), remaining round tube is inner tube (102,103,104,105,106), the lead screw driving dress
Setting (200) includes more round tube lead screws (201,202,203,204,205,206), most in a round tube lead screw be bottom lead screw
(201), an outermost round tube lead screw is push pipe lead screw (206), remaining round tube lead screw be inner tube lead screw (202,203,204,
205)；The excircle of bottom lead screw and inner tube lead screw has the axial plane (131) formed because machining away axial arch column, push pipe
There is radial pin hole (132) in the lower end nozzle of lead screw and inner tube lead screw, radial pin hole is embedded with can be in adjacent inboard lead screw outer circle
The arch pin block (23) of the axial plane sliding in week；Have in the lower end nozzle of the push pipe and engages connected spiral shell with push pipe lead screw
Female (108), are connected with circular ring shape and trap (300) between inner tube and the lower end of corresponding inner tube lead screw, circular ring shape is trapped the upper section of inner hole
It is connected between inner tube lead screw bearing (301), the trap lower section of inner hole of circular ring shape has and engages phase with the round tube lead screw of adjacent inboard
Nut (302) even, bottom lead screw and adjacent cylindrical trap inner hole lower section nut engage it is connected, it is characterised in that: the bottom
Circular ring shape pipe sleeve (110) are housed on pipe and the upper end inner wall of inner tube, positioned at the bottom tube of circular ring shape pipe sleeve lower part and the inner wall of inner tube
It is upper that with along axial inner wall feather key (120), the circular ring shape pipe sleeve has ring pipe body (111), pipe sleeve body it is interior
Wall has the ring-shaped rubber sealing ring (112) matched with adjacent inner tube or push pipe outer wall；Said inner tube and corresponding inner tube silk
The circular ring shape being connected between thick stick lower end trap (300) outer wall on have trap with what the inner wall feather key (120) matched
Guide groove (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920015335.9U CN209352493U (en) | 2019-01-07 | 2019-01-07 | Internal key pipe flat screw synchronous elevating lever |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920015335.9U CN209352493U (en) | 2019-01-07 | 2019-01-07 | Internal key pipe flat screw synchronous elevating lever |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209352493U true CN209352493U (en) | 2019-09-06 |
Family
ID=67802496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920015335.9U Active CN209352493U (en) | 2019-01-07 | 2019-01-07 | Internal key pipe flat screw synchronous elevating lever |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209352493U (en) |
-
2019
- 2019-01-07 CN CN201920015335.9U patent/CN209352493U/en active Active
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| GR01 | Patent grant |