CN219733840U - Quick locking mechanism of telescopic link - Google Patents
Quick locking mechanism of telescopic link Download PDFInfo
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- CN219733840U CN219733840U CN202321071250.5U CN202321071250U CN219733840U CN 219733840 U CN219733840 U CN 219733840U CN 202321071250 U CN202321071250 U CN 202321071250U CN 219733840 U CN219733840 U CN 219733840U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 17
- 239000007787 solid Substances 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a quick locking mechanism of a telescopic rod, and relates to the technical field of telescopic rods; in order to solve the problem that the telescopic rod is easy to stretch and retract under the action of external force after the length is determined, the telescopic length is changed, the locking mechanism comprises a supporting hollow rod, an intermediate hollow rod is sleeved on the inner wall of the supporting hollow rod, a bearing solid rod is sleeved on the inner wall of the intermediate hollow rod, a protruding connecting rod is fixedly connected to the outer wall of the intermediate hollow rod, and a rack is machined at one end of the protruding connecting rod. According to the utility model, the adjusting connecting rod drives the adjusting gear to rotate to adjust the extension length of the middle hollow rod, after the adjusting connecting rod is adjusted to a proper position, the push-pull plate on the positioning pin is shifted to enable the positioning pin to shrink, the adjusting disc is extruded at the same time, the push-pull plate on the positioning pin is loosened to enable the positioning pin to extend outwards, and the positioning pin is enabled to extend into the positioning hole of the positioning ring, so that the adjusting connecting rod is fixed, the telescopic rod is ensured to stretch in the subsequent use process, and the stability of the device is improved.
Description
Technical Field
The utility model relates to the technical field of telescopic rods, in particular to a telescopic rod quick locking mechanism.
Background
The telescopic link is cup jointed by two at least cavity body of rod and forms, the telescopic link is in the during operation extension, the during non-operation shrink together, conveniently carry and store, the telescopic link is applied to a plurality of fields, like flexible clothes-horse, flexible from rapping bar and flexible fishing pole etc. at present, the telescopic link divide into two kinds, one kind is the sectional extension, the telescopic link uses the length of every body of rod to extend as the unit, the sectional telescopic link generally adopts the elastic pin to lock adjacent body of rod fixedly, the mistake is taken place to the elastic pin easily in the use, lead to the telescopic link to withdraw, another kind is stepwise extension, the extension precision of telescopic link can be accurate to millimeter level, wherein, stepwise telescopic link receives external force easily and leads to the flexible volume of telescopic link to change after flexible to appointed length, thereby lead to the length maintenance of telescopic link unstable.
Through retrieving, chinese patent application No. cn202122077681.X discloses a telescopic link positioner, including last fixing base, go up the equal threaded connection of left portion and right part of fixing base and have fixing bolt, go up the middle inside threaded connection of fixing base and have rotation bolt, rotation bolt's outside fixed mounting has the positioning disk, rotation bolt's outside is provided with the extrusion piece, the constant head tank has been seted up to the inside of extrusion piece, the right side dovetail of extrusion piece is connected with the locating piece, the inside threaded connection of locating piece has fixing bolt, the below of going up the fixing base is provided with down the fixing base.
The telescopic rod positioning device and the telescopic rod in the above patent are respectively two individuals, are troublesome to use, and adopt an extrusion mode when locking and positioning the telescopic rod, and are easy to damage the telescopic rod.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a quick locking mechanism for a telescopic rod.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a quick locking mechanism of telescopic link, includes supports hollow pole, hollow pole inner wall has cup jointed the middle hollow pole in the middle of supporting, hollow pole inner wall has cup jointed and has born the weight of solid pole in the middle, the protruding connecting rod of middle hollow pole outer wall fixedly connected with, protruding connecting rod one end processing has the rack, support hollow pole outer wall fixedly connected with extends and links the piece, it has the square groove to support hollow pole to be close to extend and links piece one side processing, extend and link the inside square groove inner wall that is connected with adjusting gear through the pivot rotation of piece, protruding connecting rod sliding connection is in supporting hollow pole, adjusting gear and the rack intermeshing on the protruding connecting rod.
Preferably: the utility model discloses a square post of pivot one end fixedly connected with of adjusting gear, square post sliding connection has the regulation connecting rod all around, the regulation connecting rod includes sliding connection in the hollow square pole of square post outer wall to and fix the regulation disc on hollow square pole top, the hollow square pole middle part fixedly connected with location ring all around, extend and link piece top outer wall through connecting rod fixedly connected with locating pin.
Preferably: the positioning ring is provided with uniformly distributed positioning holes in the periphery, the positioning pins penetrate into the positioning ring to fix the positioning Kong Duidiao section connecting rods, and the bottom of the positioning ring is provided with an arc-shaped edge.
As a preferred embodiment of the present utility model: the novel structure is characterized in that a groove is formed in one side of the bearing solid rod, a limiting connecting rod is fixedly connected to the inner side of the middle hollow rod, and the limiting connecting rod is slidably connected to the inner wall of the groove for bearing the solid rod.
Preferred as the present utility model: the clamping grooves are uniformly distributed in the other side of the bearing solid rod, the outer wall of the middle hollow rod is rotationally connected with a clamping connecting rod through a rotating shaft, and a clamping column on the clamping connecting rod is mutually matched with the clamping grooves of the bearing solid rod.
The utility model has the beneficial effects that:
the adjusting connecting rod drives the adjusting gear to rotate to adjust the extension length of the middle hollow rod, after the adjusting connecting rod is adjusted to a proper position, the push-pull plate on the positioning pin is shifted to enable the positioning pin to shrink, the adjusting disc is extruded simultaneously, the push-pull plate on the positioning pin is loosened to enable the positioning pin to extend outwards, the positioning pin is enabled to penetrate into the positioning hole of the positioning ring, and therefore the purpose of locking and positioning the telescopic rod is achieved rapidly.
Drawings
FIG. 1 is a schematic view of the whole structure of a quick locking mechanism for a telescopic rod according to the present utility model;
FIG. 2 is a schematic view of an exploded view of a quick locking mechanism for a telescoping rod according to the present utility model;
FIG. 3 is a schematic view of an adjusting link of a quick locking mechanism for a telescopic link according to the present utility model;
fig. 4 is a schematic diagram of the intermediate hollow rod form of a quick locking mechanism for a telescopic rod according to the present utility model.
In the figure: 1-supporting hollow rod, 2-middle hollow rod, 3-bearing solid rod, 4-installation connecting column, 5-protruding connecting rod, 6-extending connecting block, 7-adjusting connecting rod, 701-adjusting disc, 702-positioning circular ring, 703-hollow square rod, 8-limiting connecting rod, 9-clamping connecting rod, 10-positioning pin, 11-square column and 12-adjusting gear.
Description of the embodiments
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience in describing the patent and simplifying the description, and do not limit the device, structure, or element to which it refers to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the patent.
In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.
Examples
The utility model provides a quick locking mechanism of telescopic link, shown in fig. 1, fig. 2, including supporting hollow pole 1, hollow pole 2 in the middle of having cup jointed in the inner wall of supporting hollow pole 1, hollow pole 2 in the middle has cup jointed and has born solid pole 3, bear solid pole 3 one end fixedly connected with installation even post 4, bear solid pole 3 one side processing has the recess, hollow pole 2 inboard fixedly connected with spacing connecting rod 8 in the middle, spacing connecting rod 8 sliding connection is in the recess inner wall that bears solid pole 3, bear solid pole 3 opposite side processing has evenly distributed's screens groove, hollow pole 2 in the middle outer wall is connected with screens connecting rod 9 through the pivot rotation, screens post on screens connecting rod 9 agree with the screens groove that bears solid pole 3 mutually;
the limit connecting rod 8 on the middle hollow rod 2 and the groove on the bearing solid rod 3 slide mutually, so that the bearing solid rod 3 cannot circumferentially rotate when the length of the bearing solid rod 3 is adjusted, and the bearing solid rod 3 is fixed by matching the clamping column on the clamping connecting rod 9 with the clamping groove on the bearing solid rod 3, so that the bearing solid rod 3 is prevented from automatically stretching in the middle hollow rod 2 due to external force;
as shown in fig. 1-4, the outer wall of the middle hollow rod 2 is fixedly connected with a protruding connecting rod 5, one end of the protruding connecting rod 5 is provided with a rack, the outer wall of the supporting hollow rod 1 is fixedly connected with an extending connecting block 6, one side of the supporting hollow rod 1, which is close to the extending connecting block 6, is provided with a square groove, the inside of the extending connecting block 6 is rotationally connected with an adjusting gear 12 through a rotating shaft, the protruding connecting rod 5 is slidably connected with the inner wall of the square groove of the supporting hollow rod 1, the adjusting gear 12 is meshed with the rack on the protruding connecting rod 5, one end of the rotating shaft of the adjusting gear 12 is fixedly connected with a square column 11, the periphery of the square column 11 is slidably connected with an adjusting connecting rod 7, the adjusting connecting rod 7 comprises a hollow square rod 703 which is slidably connected with the outer wall of the square column 11, and an adjusting disc 701 fixed at the top end of the hollow square rod 703, the middle periphery of the hollow square rod 703 is fixedly connected with a positioning circular ring 702, the periphery of the positioning circular ring 702 is provided with uniformly distributed positioning holes, the bottom of the positioning circular ring 702 is provided with an arc edge, the outer wall at the top of the extending connecting rod 6 is fixedly connected with a positioning pin 10 through a positioning pin 10, and the positioning pin 48 of the positioning ring 10 is fixedly inserted into the positioning joint Kong Duidiao;
the protruding length of the middle hollow rod 2 is adjusted through the mutual engagement of the racks on the protruding connecting rods 5 and the adjusting gears 12, so that the stretching precision of the telescopic rod is higher, the adjusting connecting rods 7 drive the adjusting gears 12 to rotate so as to adjust the protruding length of the middle hollow rod 2, the positioning pins 10 are positioned below the positioning circular rings 702 to support the positioning circular rings 702, after the positioning circular rings 702 are adjusted to a proper position, the push-pull plates on the positioning pins 10 are stirred so that the positioning pins 10 shrink, the adjusting disc 701 is extruded at the same time, the hollow square rod 703 moves downwards along the square column 11 until the positioning holes on the positioning circular rings 702 are at the same height as the positioning pins 10, the push-pull plates of the positioning pins 10 are loosened so that the positioning pins 10 extend outwards, the positioning pins 10 extend into the positioning holes of the positioning circular rings 702, the locking and fixing of the adjusting connecting rods 7 are realized, the telescopic rod is enabled to stretch in the subsequent use process, and the stability of the device is improved.
When the device is used, required equipment is installed on the installation connecting column 4, firstly, the clamping connecting rod 9 is rotated, the bearing solid rod 3 is stretched to a proper length, the clamping connecting rod 9 is loosened, the clamping column on the clamping connecting rod 9 enters a clamping groove for bearing the solid rod 3 to fix the bearing solid rod 3, then, the length of the middle hollow rod 2 is accurately adjusted through rotating the adjusting disc 701, after the device is adjusted to a specified position, a push-pull plate on the positioning pin 10 is stirred, the adjusting disc 701 is extruded at the same time, the positioning pin 10 enters a positioning hole on the positioning ring 702, the fixing of the adjusting connecting rod 7 is realized, and the expansion amount of the telescopic rod is prevented from being changed due to external force or false touch in the subsequent use process of the telescopic rod;
when the telescopic rod is contracted, the push-pull plate on the positioning pin 10 is shifted, so that the positioning pin 10 is separated from the positioning hole on the positioning circular ring 702, then the adjusting disc 701 is lifted, the positioning circular ring 702 is higher than the positioning pin 10, the adjusting disc 701 is reversely rotated, the middle hollow rod 2 is contracted, the clamping connecting rod 9 is rotated, the clamping column is separated from the clamping groove for bearing the solid rod 3, and the solid rod 3 is pulled back to enter the middle hollow rod 2.
While the utility model has been described in terms of what are presently considered to be the most practical and preferred embodiments, it is to be understood that the utility model is not limited to the disclosed embodiments, but on the contrary, is intended to cover various modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the appended claims.
Claims (5)
1. The utility model provides a quick locking mechanism of telescopic link, includes supports hollow pole (1), hollow pole (2) in the middle of having cup jointed in support hollow pole (1) inner wall, hollow pole (2) in the middle has cup jointed and has born solid pole (3), a serial communication port, hollow pole (2) outer wall fixedly connected with protruding connecting rod (5), protruding connecting rod (5) one end processing has the rack, support hollow pole (1) outer wall fixedly connected with extends even piece (6), it has the square groove to support hollow pole (1) to be close to extension even piece (6) one side processing, extend even piece (6) inside and rotate through the pivot and be connected with adjusting gear (12), protruding connecting rod (5) sliding connection in the square groove inner wall that supports hollow pole (1), rack intermeshing on adjusting gear (12) and protruding connecting rod (5).
2. The quick locking mechanism of a telescopic rod according to claim 1, wherein one end of a rotating shaft of the adjusting gear (12) is fixedly connected with a square column (11), the periphery of the square column (11) is slidably connected with an adjusting connecting rod (7), the adjusting connecting rod (7) comprises a hollow square rod (703) slidably connected to the outer wall of the square column (11), and an adjusting disc (701) fixed to the top end of the hollow square rod (703), the periphery of the middle part of the hollow square rod (703) is fixedly connected with a positioning circular ring (702), and the outer wall of the top end of the extending connecting block (6) is fixedly connected with a positioning pin (10) through a connecting rod.
3. The quick locking mechanism for the telescopic rod according to claim 2, wherein the positioning holes are uniformly distributed in the periphery of the positioning circular ring (702), the positioning pins (10) are fixed by positioning Kong Duidiao sections of connecting rods (7) on the positioning circular ring (702), and arc edges are machined at the bottom of the positioning circular ring (702).
4. The telescopic rod quick locking mechanism according to claim 1, wherein a groove is formed in one side of the bearing solid rod (3), a limit connecting rod (8) is fixedly connected to the inner side of the middle hollow rod (2), and the limit connecting rod (8) is slidably connected to the inner wall of the groove for bearing the solid rod (3).
5. The telescopic rod quick locking mechanism according to claim 4, wherein clamping grooves which are uniformly distributed are formed in the other side of the bearing solid rod (3), the outer wall of the middle hollow rod (2) is rotatably connected with a clamping connecting rod (9) through a rotating shaft, and clamping columns on the clamping connecting rod (9) are mutually matched with the clamping grooves which bear the solid rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321071250.5U CN219733840U (en) | 2023-05-08 | 2023-05-08 | Quick locking mechanism of telescopic link |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321071250.5U CN219733840U (en) | 2023-05-08 | 2023-05-08 | Quick locking mechanism of telescopic link |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219733840U true CN219733840U (en) | 2023-09-22 |
Family
ID=88058819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321071250.5U Active CN219733840U (en) | 2023-05-08 | 2023-05-08 | Quick locking mechanism of telescopic link |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219733840U (en) |
-
2023
- 2023-05-08 CN CN202321071250.5U patent/CN219733840U/en active Active
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