CN215567088U - Multisection spiral telescopic link device of flexible volume of controllable essence - Google Patents
Multisection spiral telescopic link device of flexible volume of controllable essence Download PDFInfo
- Publication number
- CN215567088U CN215567088U CN202121720384.6U CN202121720384U CN215567088U CN 215567088 U CN215567088 U CN 215567088U CN 202121720384 U CN202121720384 U CN 202121720384U CN 215567088 U CN215567088 U CN 215567088U
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- shell
- telescopic rod
- shaft sleeve
- housing
- threaded
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Abstract
A multi-section spiral telescopic rod device capable of precisely controlling the telescopic amount comprises a telescopic rod shell and an inward-turning telescopic rod, and is characterized in that the telescopic rod shell consists of a first shell, a second shell assembly and a third shell; the first shell is in sliding sleeve connection with the second shell component; the second housing component is located at an inner wall of the first housing; the third shell is in sliding sleeve joint with the second shell component, and the third shell is positioned on the inner wall of the second shell component; the inner rotating telescopic rod consists of an inner rotating shaft core and a shaft sleeve component; the inner rotary shaft core is in threaded connection with the shaft sleeve assembly, and the inner rotary shaft core is positioned in the shaft sleeve assembly; the shaft sleeve assembly is in threaded sleeve joint with a third shell of the telescopic rod shell, and the shaft sleeve assembly is positioned in the telescopic rod shell; the device can accurately control the elongation of the telescopic rod; the number of the second shell assembly and the shaft sleeve assembly can be increased according to actual use requirements, and length extension is achieved.
Description
Technical Field
The utility model relates to the technical field of telescopic rod devices manufactured by machinery, in particular to a multi-section spiral telescopic rod device capable of precisely controlling the telescopic amount.
Background
The prior telescopic rod is widely applied to various industries, has telescopic rods with various purposes and has different material shapes. The technical invention is different from the telescopic rod which is rotated by the nearest screw thread in the greatest way that the telescopic rod consisting of a plurality of pipe joints is realized by increasing the outer shell of the telescopic rod, and the use requirement of large elongation is met.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a multi-section spiral telescopic rod device capable of precisely controlling the telescopic amount, which can effectively solve the problems in the background art.
In order to solve the problems, the technical scheme adopted by the utility model is as follows: a multi-section spiral telescopic rod device capable of precisely controlling the telescopic amount comprises a telescopic rod shell and an inward-turning telescopic rod, and is characterized in that the telescopic rod shell consists of a first shell, a second shell assembly and a third shell; the first shell is in sliding sleeve connection with the second shell component; the second housing component is located at an inner wall of the first housing; the third shell is in sliding sleeve joint with the second shell component, and the third shell is positioned on the inner wall of the second shell component; the inner rotating telescopic rod consists of an inner rotating shaft core and a shaft sleeve component; the inner rotary shaft core is in threaded connection with the shaft sleeve assembly, and the inner rotary shaft core is positioned in the shaft sleeve assembly; the shaft sleeve component is in threaded sleeve joint with a third shell of the telescopic rod shell, and the shaft sleeve component is located in the telescopic rod shell.
As a further preferable mode of the present invention, the first housing has a cylindrical shape and an internal hollow structure, and a groove rail is provided on an inner wall of the first housing; the groove rail of the first shell is connected with the second shell component in a sliding mode.
As a further preferable aspect of the present invention, the second housing element is composed of second housings having different sizes, and the number of the second housings is two or more; the second outer shell is sleeved from large to small in a sliding manner; the second housing positioned at the outermost layer in the second housing assembly is the largest-sized second housing, and the second housing positioned at the innermost layer in the second housing assembly is the smallest-sized second housing; the second shell is in a cylindrical shape and has a hollow structure inside; convex falcon is arranged below the outer wall of second shell, and the inner wall of second shell is equipped with the groove rail.
As a further preferred aspect of the present invention, the second housing with the largest size is slidably connected to the groove rail of the first housing by a projecting tenon; the second housing of the smallest size is slidably connected to the third housing by means of a slot rail.
As a further preferable aspect of the present invention, the third housing has a cylindrical shape; a convex tenon is arranged below the outer wall of the third shell, and threads are arranged below the inner wall of the third shell; the tennons of the third housing are slidably connected to the rails of the second housing assembly.
As a further preferable aspect of the present invention, the inner rotary shaft core is a solid shaft, and an outer wall of the inner rotary shaft core is provided with an external thread and a non-threaded cap.
As a further preferable scheme of the utility model, the shaft sleeve assembly is composed of two or more threaded shaft sleeves with different sizes; the threaded shaft sleeves are sequentially sleeved from large to small in a threaded manner; the threaded shaft sleeve positioned on the outermost layer in the shaft sleeve assembly is the threaded shaft sleeve with the largest size, and the threaded shaft sleeve positioned on the innermost layer in the shaft sleeve assembly is the threaded shaft sleeve with the smallest size; a non-threaded cap is arranged above the outer part of the threaded shaft sleeve; the outer wall of the threaded shaft sleeve is provided with external threads, and the inner wall of the threaded shaft sleeve is provided with internal threads.
As a further preferable scheme of the utility model, the threaded shaft sleeve with the largest size is in threaded sleeve connection with a third shell of the telescopic rod shell; and the threaded shaft sleeve with the minimum size is in threaded sleeve connection with the inner rotary shaft core.
Compared with the prior art, the utility model provides a multi-section spiral telescopic rod device capable of precisely controlling the telescopic amount, which has the following beneficial effects:
the device can accurately control the elongation of the telescopic rod; the number of the second shell assembly and the shaft sleeve assembly can be increased according to actual use requirements, and length extension is achieved.
Drawings
FIG. 1 is a perspective view of the main structure of the present invention in a retracted state;
FIG. 2 is a perspective view of the main structure of the present invention in an extended state;
FIG. 3 is a schematic cross-sectional view of the present invention in an extended state;
FIG. 4 is a perspective view of a second housing;
FIG. 5 is a perspective view of a threaded bushing;
wherein: 1. the telescopic rod comprises a telescopic rod shell, 101, a first shell, 102, a second shell component, 102-1, a second shell, 103, a third shell, 2, an inner-rotation telescopic rod, 201, an inner-rotation shaft core, 202, a shaft sleeve component, 202-1, a threaded shaft sleeve, 3 and a non-threaded cap.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 5, the present invention provides a multi-section spiral telescopic rod device capable of precisely controlling the amount of expansion, comprising a telescopic rod housing 1 and an inner rotation telescopic rod 2, wherein the telescopic rod housing 1 is composed of a first housing 101, a second housing assembly 102, and a third housing 103; the first shell 101 is slidably sleeved with the second shell assembly 102; the second housing element 102 is located at an inner wall of the first housing 101; the third housing 103 is slidably sleeved with the second housing component 102, and the third housing 103 is located at the inner wall of the second housing component 102; the inner rotating telescopic rod 2 consists of an inner rotating shaft core 201 and a shaft sleeve assembly 202; the inner rotary shaft core 201 is in threaded connection with the shaft sleeve assembly 202, and the inner rotary shaft core 201 is positioned in the shaft sleeve assembly 202; the shaft sleeve assembly 202 is in threaded sleeve connection with the third housing 103 of the telescopic rod housing 1, and the shaft sleeve assembly 202 is located in the telescopic rod housing 1.
As a further preferable mode of the present invention, the first housing 101 has a cylindrical shape and an internal hollow structure, and a groove rail is provided on an inner wall of the first housing 101; the groove rail of the first housing 101 is slidably connected to the second housing member 102.
As a further preferable aspect of the present invention, the second housing component 102 is composed of second housings 102-1 having different sizes, and the number of the second housings 102-1 is two or more; the second shell 102-1 is sleeved from large to small in a sliding manner; the second housing 102-1 of the second housing assembly 102 located at the outermost layer is the largest-sized second housing 102-1, and the second housing 102-1 of the second housing assembly 102 located at the innermost layer is the smallest-sized second housing 102-1; the second shell 102-1 is cylindrical and has a hollow structure inside; convex falcon is arranged below the outer wall of the second shell 102-1, and groove rails are arranged on the inner wall of the second shell 102-1.
As a further preferred aspect of the present invention, the second housing 102-1 having the largest size is slidably coupled with the groove rail of the first housing 101 by means of a tennons; the second housing 102-1, which is the smallest in size, is slidably coupled to the third housing 103 by a grooved rail.
In a further preferred embodiment of the present invention, the third housing 103 is cylindrical; a convex tenon is arranged below the outer wall of the third shell 103, and threads are arranged below the inner wall of the third shell 103; the tongue of the third housing 103 is slidably connected to the groove rail of the second housing block 102.
As a further preferable aspect of the present invention, the inner rotary shaft core 201 is a solid shaft, and the outer wall of the inner rotary shaft core 201 is provided with an external thread and a non-threaded cap 3.
As a further preferable scheme of the present invention, the shaft sleeve assembly 202 is composed of two or more threaded shaft sleeves 202-1 with different sizes, and the number of the threaded shaft sleeves 202-1 is two or more; the threaded shaft sleeves 202-1 are sequentially sleeved in a threaded manner from large to small; the threaded shaft sleeve 202-1 positioned at the outermost layer in the shaft sleeve assembly 202 is the threaded shaft sleeve 202-1 with the largest size, and the threaded shaft sleeve 202-1 positioned at the innermost layer in the shaft sleeve assembly is the threaded shaft sleeve 202-1 with the smallest size; a non-threaded cap 3 is arranged above the outer part of the threaded shaft sleeve 202-1; the outer wall of the threaded shaft sleeve 202-1 is provided with external threads, and the inner wall of the threaded shaft sleeve 202-1 is provided with internal threads.
As a further preferable scheme of the utility model, the threaded shaft sleeve 202-1 with the largest size is in threaded sleeve connection with the third shell 103 of the telescopic rod shell 1; the smallest-sized threaded bushing 202-1 is threadedly received in the inner hub 201.
As a specific embodiment 1 of the utility model, the assembling mode of the device is that the telescopic rod shell 1 is assembled to match the second shells 102-1 with proper size and quantity according to the telescopic length of the actual requirement, and then the second shells 102-1 are assembled and sleeved from big to small in sequence to form a second shell component 102; the second housing 102-1 with the largest size in the second housing assembly 102 is sleeved on the inner wall of the first housing, and the second housing 102-1 with the smallest size is sleeved on the outer wall of the third housing; the shell is sleeved in a sliding manner in a manner that the shell is provided with groove rails which are combined with the convex tenons in a matched and sliding manner, so that the sliding position is limited; then, the required number and the proper size of the threaded shaft sleeves 202-1 are matched according to the length of the telescopic rod shell 1, and the threaded shaft sleeves 202-1 are sequentially assembled and sleeved from small to large to form a shaft sleeve assembly 202; the threaded shaft sleeve 202-1 with the smallest size in the shaft sleeve assembly 202 is sleeved with the inner rotary shaft core 201 to form an inner rotary telescopic rod 2, the inner rotary telescopic rod 2 is assembled in a threaded rotary sleeved mode, and the inner rotary shaft core 201 of the inner rotary telescopic rod 2 and the shaft sleeve assembly 202 are both provided with non-threaded caps 3 for limiting; finally, the shaft sleeve assembly 202 of the inward turning telescopic rod 2 is in threaded connection with the third shell 103 of the telescopic rod shell 1 to form the multi-section spiral telescopic rod device with the precisely controllable telescopic amount.
As a specific embodiment 2 of the utility model, the device is used in a manner that in a contracted state, the inner rotary shaft core 201 is rotated to drive the threaded shaft sleeve 202-1 with the smallest size to extend out of the inner rotary shaft core 201, when the inner rotary shaft core 201 reaches the maximum rotation amount, torque can be transmitted to the shaft sleeve assembly 202 to enable the shaft sleeve assembly 202 to extend out in a rotating manner, meanwhile, the shaft sleeve assembly 202 drives the third shell 103 to extend out in a sliding manner, when the third shell 103 extends out to the maximum extension amount, the second shell assembly 102 is driven to extend out in a sliding manner, and when the shaft sleeve assembly 202 reaches the maximum rotation amount, the telescopic rod shell 1 also reaches the maximum extension amount; when the device needs to be contracted, the inner rotating shaft core 201 is rotated in the opposite direction, the shaft sleeve assembly 202 is driven to be retracted, and meanwhile, the shaft sleeve assembly 202 drives the telescopic rod shell 1 to be contracted. The device can well control the expansion amount of the telescopic rod shell 1 by rotating the inner rotating telescopic rod 2 in a threaded manner, so as to achieve the effect of accurate control; the device can control the expansion amount by an external control motor; lubricating oil can be added into the telescopic rod shell 1 and the inward rotation telescopic rod 2, so that the lubricating and drag reduction optimizing effects can be achieved in the relative movement process.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A multi-section spiral telescopic rod device capable of precisely controlling the telescopic amount comprises a telescopic rod shell (1) and an inward-turning telescopic rod (2), and is characterized in that the telescopic rod shell (1) consists of a first shell (101), a second shell component (102) and a third shell (103); the first shell (101) is in sliding sleeve connection with the second shell component (102); the second housing element (102) is located at an inner wall of the first housing (101); the third shell (103) is sleeved with the second shell component (102) in a sliding mode, and the third shell (103) is located on the inner wall of the second shell component (102); the inner rotating telescopic rod (2) consists of an inner rotating shaft core (201) and a shaft sleeve component (202); the inner rotary shaft core (201) is in threaded connection with the shaft sleeve assembly (202), and the inner rotary shaft core (201) is located in the shaft sleeve assembly (202); the shaft sleeve assembly (202) is in threaded sleeve connection with a third shell (103) of the telescopic rod shell (1), and the shaft sleeve assembly (202) is located in the telescopic rod shell (1).
2. The device as claimed in claim 1, wherein the first housing (101) is a cylindrical hollow structure, and the inner wall of the first housing (101) is provided with a groove track; the groove rail of the first shell (101) is connected with the second shell component (102) in a sliding mode.
3. The device as claimed in claim 1, wherein the second housing member (102) is composed of two or more second housings (102-1) having different sizes, and the number of the second housings (102-1) is two or more; the second shell (102-1) is sleeved from large to small in a sliding manner; the second shell (102-1) positioned at the outermost layer in the second shell assembly (102) is the second shell (102-1) with the largest size, and the second shell (102-1) positioned at the innermost layer in the second shell assembly (102) is the second shell (102-1) with the smallest size; the second shell (102-1) is cylindrical and has a hollow structure inside; convex falcon is arranged below the outer wall of the second outer shell (102-1), and groove rails are arranged on the inner wall of the second outer shell (102-1).
4. A multiple spiral telescopic rod apparatus of fine controlled amount of extension and retraction according to claim 3, wherein the second largest sized housing (102-1) is slidably connected to the groove rail of the first housing (101) by a tennons; the second shell (102-1) with the minimum size is connected with the third shell (103) in a sliding mode through a groove rail.
5. The multi-section spiral telescopic rod apparatus of claim 1, wherein said third housing (103) is cylindrical in shape; convex falcon is arranged below the outer wall of the third shell (103), and screw threads are arranged below the inner wall of the third shell (103); the projecting falcon of the third housing (103) is slidably connected with the groove rail of the second housing assembly (102).
6. The multi-section spiral telescopic rod apparatus of claim 1, wherein the inner rotary shaft core (201) is a solid shaft, and the outer wall of the inner rotary shaft core (201) is provided with an external thread and a non-threaded cap (3).
7. The multi-section spiral telescopic rod device capable of precisely controlling the telescopic amount according to claim 1, wherein the shaft sleeve assembly (202) is composed of two or more threaded shaft sleeves (202-1) with different sizes, and the number of the threaded shaft sleeves (202-1) is two or more; the threaded shaft sleeves (202-1) are sequentially sleeved from large to small in a threaded manner; the threaded shaft sleeve (202-1) positioned at the outermost layer in the shaft sleeve assembly (202) is the threaded shaft sleeve (202-1) with the largest size, and the threaded shaft sleeve (202-1) positioned at the innermost layer in the shaft sleeve assembly is the threaded shaft sleeve (202-1) with the smallest size; a non-threaded cap (3) is arranged above the outer part of the threaded shaft sleeve (202-1); the outer wall of the threaded shaft sleeve (202-1) is provided with external threads, and the inner wall of the threaded shaft sleeve (202-1) is provided with internal threads.
8. The multi-section spiral telescopic rod device capable of precisely controlling the amount of expansion and contraction as claimed in claim 7, wherein the largest-sized threaded bushing (202-1) is threadedly engaged with the third housing (103) of the telescopic rod housing (1); the threaded shaft sleeve (202-1) with the minimum size is in threaded sleeve connection with the inner rotary shaft core (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121720384.6U CN215567088U (en) | 2021-07-27 | 2021-07-27 | Multisection spiral telescopic link device of flexible volume of controllable essence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121720384.6U CN215567088U (en) | 2021-07-27 | 2021-07-27 | Multisection spiral telescopic link device of flexible volume of controllable essence |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215567088U true CN215567088U (en) | 2022-01-18 |
Family
ID=79829001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121720384.6U Expired - Fee Related CN215567088U (en) | 2021-07-27 | 2021-07-27 | Multisection spiral telescopic link device of flexible volume of controllable essence |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215567088U (en) |
-
2021
- 2021-07-27 CN CN202121720384.6U patent/CN215567088U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220118 |