CN114104076B - Telescopic rod and children article - Google Patents
Telescopic rod and children article Download PDFInfo
- Publication number
- CN114104076B CN114104076B CN202111374677.8A CN202111374677A CN114104076B CN 114104076 B CN114104076 B CN 114104076B CN 202111374677 A CN202111374677 A CN 202111374677A CN 114104076 B CN114104076 B CN 114104076B
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- China
- Prior art keywords
- sliding seat
- outer tube
- damping piece
- telescopic rod
- sliding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
- B62B9/20—Handle bars; Handles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
Abstract
The invention discloses a telescopic rod and a children article, the telescopic rod comprises an outer tube and an inner tube which are arranged in a sliding way, the telescopic rod further comprises a sliding seat which is connected with the inner tube in a sliding way and a damping piece which is arranged between the sliding seat and the outer tube in a sliding way, the sliding seat can slide relative to the inner tube to enable the damping piece to be positioned at a first position and a second position relative to the sliding seat, when the damping piece is positioned at the first position, the damping piece is respectively propped against the sliding seat and the inner side wall of the outer tube to be matched, and when the damping piece is positioned at the second position, the damping piece is matched with the inner side wall of the outer tube or the sliding seat to be separated. The damping piece of the telescopic rod can be respectively matched with the inner side walls of the sliding seat and the outer tube, so that a gap between the inner tube and the outer tube can be eliminated, and the inner tube and the outer tube do not shake; the fit between the damping piece and the inner side wall of the outer tube can be disengaged, so that the propping force of the damping piece on the outer tube is eliminated, and the inner tube and the outer tube can slide easily and relatively.
Description
Technical Field
The invention relates to the technical field of children products, in particular to a telescopic rod and a children product.
Background
The telescopic rod is contained in children articles such as children's carts, and the telescopic rod generally comprises an outer tube and an inner tube which can be arranged in a relative sliding manner, and the inner tube can slide in the direction of the tube cavity of the outer tube and also can slide in the direction of extending out of the tube cavity of the outer tube, so that the length of the telescopic rod is changed.
For the length of conveniently adjusting the telescopic link, be provided with the clearance between outer tube and the inner tube, when locking the relative position of outer tube and inner tube when making the telescopic link can not adjust length through locking mechanical system, because the existence of clearance still takes place to rock easily between outer tube and the inner tube to make the rigidity of telescopic link weaker, make children's articles for use stability relatively poor.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and providing the telescopic rod, when the relative positions of the inner tube and the outer tube are locked through the locking mechanism, the gap between the inner tube and the outer tube can be eliminated by enabling the damping piece to be matched with the outer tube and the sliding seat at the same time, so that the inner tube and the outer tube do not shake.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a telescopic link, includes outer tube and inner tube, the inner tube part is located in the lumen of outer tube and can follow the length extension direction of the lumen of outer tube sets up slidingly, the telescopic link still include with inner tube sliding connection's sliding seat with the damping piece between the inside wall of outer tube is in sliding seat, the sliding seat can be relative the inner tube slip makes the damping piece is in first position department and second position department relatively the sliding seat, when the damping piece is in first position department, the damping piece respectively with sliding seat with the inside wall of outer tube offsets to establish the cooperation, when the damping piece is in second position department, the damping piece with the inside wall of outer tube or cooperation between the sliding seat is released.
Preferably, the sliding seat is provided with a first matching part and a second matching part, when the damping piece is opposite to the sliding seat and is positioned at a first position, the damping piece is respectively matched with the first matching part and the inner side wall of the outer tube in a propping way, when the damping piece is opposite to the sliding seat and is positioned at a second position, the damping piece is matched with the second matching part, the matching of the damping piece and the inner side wall of the outer tube is released, or the damping piece is matched with the inner side wall of the outer tube, and the matching of the damping piece and the sliding seat is released.
Further, the damping piece is a damping ball, the distance between the first matching part and the inner side wall of the outer tube is smaller than the diameter of the damping ball, and the distance between the second matching part and the inner side wall of the outer tube is larger than the diameter of the damping ball.
Further, the second matching portion is a straight surface extending along the sliding direction of the sliding seat, the first matching portion is an inclined surface obliquely intersecting with the straight surface, and the inclined surface obliquely extends from the intersection of the inclined surface and the straight surface to a direction away from the straight surface and to the direction of the inner side wall of the outer tube.
Further, a groove recessed inwards from the outer peripheral surface of the sliding seat is formed in the sliding seat, the second matching portion is the bottom of the groove, and the first matching portion is a side surface of the groove in the sliding direction of the sliding seat.
Preferably, the telescopic rod further comprises a driving assembly for driving the sliding seat to slide relative to the inner tube to enable the damping piece to move from the first position to the second position, the driving assembly comprises a button and a traction rope, the button is movably arranged on the inner tube, one end part of the traction rope is fixedly arranged on the sliding seat, and the other end part of the traction rope is directly or indirectly connected with the button.
Preferably, the telescopic rod further comprises an elastic piece for driving the sliding seat to slide relative to the inner tube so as to enable the damping piece to move from the second position to the first position, and two ends of the elastic piece are respectively arranged on the sliding seat and the inner tube.
Preferably, a slot is provided in the inner tube, and the damper part is located in the slot.
Preferably, a sliding groove is formed in one of the inner tube and the sliding seat, a fixing pin is fixedly arranged on the other part, the sliding groove extends along the sliding direction of the sliding seat, and the fixing pin is located in the sliding groove and can be slidably arranged along the length extending direction of the sliding groove.
The invention also provides a child product comprising a telescopic rod as claimed in any one of the preceding claims.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the inner pipe of the telescopic rod is in sliding connection with the sliding seat, the damping piece is arranged between the sliding seat and the inner side wall of the outer pipe in a sliding manner, and when the relative position between the inner pipe and the outer pipe is locked, the damping piece can be respectively matched with the inner side wall of the sliding seat and the inner side wall of the outer pipe, so that a gap between the inner pipe and the outer pipe can be eliminated, the inner pipe and the outer pipe do not shake, and the strength of the telescopic rod is improved; the sliding seat slides relative to the inner tube, and the damping piece can be matched with the inner side wall of the outer tube or the sliding seat to be separated, so that the propping force of the damping piece on the outer tube is eliminated, and the inner tube and the outer tube can slide easily relative to each other to adjust the length of the telescopic rod.
Drawings
Fig. 1 is a schematic perspective view of a telescopic rod according to the present embodiment;
FIG. 2 is a schematic top view of the telescopic rod of the present embodiment;
FIG. 3 is a schematic front view of the telescopic rod of the present embodiment (the damping member is in the first position);
FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
FIG. 6 is a schematic view of a portion of the structure of the telescopic rod of the present embodiment (the damping member is in the first position, the outer tube and the inner tube are removed);
FIG. 7 is a schematic front view of the telescopic rod of the present embodiment (the damping member is in the second position);
FIG. 8 is a schematic cross-sectional view taken along line A-A of FIG. 7;
FIG. 9 is an enlarged view of a portion of FIG. 8 at A;
fig. 10 is a schematic view of a part of the structure of the telescopic rod of the present embodiment (the damper is in the second position, with the outer tube and the inner tube removed).
Wherein: 1. an inner tube; 11. slotting; 2. an outer tube; 3. a sliding seat; 31. a first mating portion; 32. a second mating portion; 33. a chute; 4. a fixing pin; 5. a damping member; 61. a button; 62. a traction cable; 7. an elastic member.
Detailed Description
The technical scheme of the invention is further described below with reference to the attached drawings and specific embodiments.
As shown in fig. 1, the telescopic rod of the present invention comprises an inner tube 1 and an outer tube 2, wherein the inner tube 1 is partially positioned in the lumen of the outer tube 2 and can slide in the direction of retracting or extending into or out of the lumen of the outer tube 2 along the length extension direction of the lumen.
The telescopic rod further comprises a locking mechanism for locking the relative positions of the inner tube 1 and the outer tube 2, wherein the locking mechanism has a locking state and an unlocking state, and when the locking mechanism is in the locking state, the relative positions of the inner tube 1 and the outer tube 2 are fixed and cannot slide relatively; when the locking mechanism is in the unlocking state, the inner tube 1 and the outer tube 2 can slide relatively, so that the length of the telescopic rod can be adjusted.
The telescopic rod further comprises a sliding seat 3, the sliding seat 3 is arranged in the pipe cavity of the inner pipe 1 in a sliding mode, and the sliding seat 3 is connected with the inner pipe 1 in a sliding mode.
Specifically, a sliding groove 33 is formed in one of the two parts of the inner tube 1 and the sliding seat 3, a fixing pin 4 is fixedly arranged on the other part, the sliding groove 33 extends along the sliding direction of the sliding seat 3, the fixing pin 4 is used for connecting the inner tube 1 and the sliding seat 3, and the fixing pin 4 is located in the sliding groove 33 and can be slidably arranged along the length extending direction of the sliding groove 33.
When the sliding seat 3 slides relative to the inner tube 1, the sliding of the sliding seat 3 can be limited by the cooperation of the fixing pin 4 and the sliding groove 33.
The telescopic rod further comprises a damping member 5, the damping member 5 being slidably arranged between the sliding seat 3 and the inner side wall of the outer tube 2. When the sliding seat 3 slides relative to the inner tube 1, the damping piece 5 can be positioned at a first position and a second position relative to the sliding seat 3.
The inner tube 1 is provided with a slot 11, the damping piece 5 is partially positioned in the slot 11, and when the sliding seat 3 slides relative to the inner tube 1, the damping piece 5 can be prevented from sliding along the sliding seat 3 along the same direction as the sliding seat 3 by blocking of the slot 11.
When the damping piece 5 is at the first position relative to the sliding seat 3, the damping piece 5 is respectively propped against the sliding seat 3 and the inner side wall of the outer tube 2 to be matched. In this way, due to the abutting effect of the damping member 5, the gap between the inner tube 1 and the outer tube 2 can be eliminated, so that the inner tube 1 and the outer tube 2 do not shake, and the strength of the telescopic rod can be improved.
When the damping member 5 is in the second position relative to the sliding seat 3, the engagement between the damping member 5 and the inner side wall of the outer tube 2 or the sliding seat 3 is disengaged. Thus, the abutting force of the damping piece 5 on the outer tube 2 is eliminated, and the inner tube 1 and the outer tube 2 can slide easily relatively so as to adjust the length of the telescopic rod.
The slide mount 3 is provided with a first fitting portion 31 and a second fitting portion 32. When the damping member 5 is at the first position relative to the sliding seat 3, the damping member 5 is respectively abutted against the first matching portion 31 and the inner side wall of the outer tube 2. When the damping piece 5 is at the second position relative to the sliding seat 3, the damping piece 5 is matched with the second matching part 32, and the matching of the damping piece 5 and the inner side wall of the outer tube 2 is released; or the damping member 5 is matched with the inner side wall of the outer tube 2, and the damping member 5 is disengaged from the sliding seat 3, specifically, a gap is formed between the damping member 5 and the second matching part 32.
The damping member 5 in this embodiment is a damping ball, so that when the sliding seat 3 slides relative to the inner tube 2, the friction between the sliding seat 3 and the damping member 5 can be reduced, so that the sliding of the sliding seat 3 is more labor-saving.
When the damping piece 5 is positioned at the first position relative to the sliding seat 3, the damping ball is clamped between the sliding seat 3 and the inner side wall of the outer tube 2 through the matching of the damping ball and the first matching part 31 and the matching of the damping ball and the inner side wall of the outer tube 2, so that the damping ball generates a propping force on the inner side wall of the outer tube 2, and no shaking occurs between the inner tube 1 and the outer tube 2.
The distance between the second matching part 32 and the inner side wall of the outer tube 2 is larger than the diameter of the damping ball, so that when the damping piece 5 is positioned at the second position relative to the sliding seat 3, a gap exists between the damping ball and the inner side wall of the outer tube 2 when the damping ball abuts against the second matching part 32; when the damping ball is propped against the inner side wall of the outer tube 2, a gap exists between the damping ball and the second matching part 32, so that the damping ball can not generate acting force on the inner side wall of the outer tube 2, and the inner tube 1 and the outer tube 2 can easily slide relatively.
Specifically, the second engaging portion 32 is a straight surface extending along the sliding direction of the sliding seat 3, and the first engaging portion 31 is a slope surface obliquely intersecting the straight surface, and the slope surface extends obliquely from the intersection with the straight surface in a direction away from the straight surface and toward the inner side wall of the outer tube.
In this embodiment, the sliding seat 3 is provided with a groove recessed inward from the outer peripheral surface of the sliding seat 3, the second mating portion 32 is a groove bottom of the groove, preferably the groove bottom is a straight surface, and the first mating portion 31 is a side surface of the groove in the sliding direction of the sliding seat 3, and the side surface is an inclined surface.
The damping members 5 are preferably symmetrically disposed on opposite sides in the radial direction of the slide mount 3. In this way, when the damping piece 5 is abutted against the side wall of the outer tube 2 to eliminate the gap between the outer tube 2 and the inner tube 1, the outer tube 2 can be stressed more uniformly.
The telescopic rod further comprises a drive assembly for driving the sliding seat 3 to slide relative to the inner tube 1, thereby bringing the damping member 5 from the first position to the second position.
The driving assembly comprises a button 61 and a traction rope 62, wherein the button 61 is movably arranged on the inner tube 1, one end part of the traction rope 62 is fixedly arranged on the sliding seat 3, and the other end part of the traction rope 62 is directly or indirectly connected with the button 61. In this embodiment, the push button 6 is slidably disposed on the inner tube 1 with the pull cable 62 being located in the lumen of the inner tube 1.
When the damping piece 5 is at the first position relative to the sliding seat 3, the button 61 is pressed, the traction rope 62 is tensioned, the traction rope 62 pulls the sliding seat 3, the sliding seat 3 slides relative to the inner tube 1 along the first direction, the damping piece 5 gradually breaks away from the inclined surface on the sliding seat 3 until the sliding seat 3 slides relative to the inner tube 1 to the position where the damping piece 5 enters the straight surface on the sliding seat 3, and the damping piece 5 is at the second position relative to the sliding seat 3.
The telescopic rod further comprises an elastic member 7, and the elastic force of the elastic member 7 is used for driving the sliding seat 3 to slide along a second direction relative to the inner tube 1, wherein the first direction is opposite to the second direction, so that the damping member 5 is moved from the second position to the first position.
In this embodiment, the elastic member 7 is a compression spring, and two ends of the compression spring are respectively disposed on the sliding seat 3 and the inner tube 1.
When the driving assembly is operated to drive the sliding seat 3 to slide along the first direction relative to the inner tube 1, the elastic piece 7 is compressed, when the button 61 is loosened, the button 61 is reset, the traction rope 62 is gradually loosened, the acting force of the traction rope 62 on the sliding seat 3 is reduced, the elastic force of the elastic piece 7 drives the sliding seat 3 to slide along the second direction relative to the inner tube 1, so that the damping piece 5 gradually moves from the straight surface on the sliding seat 3 to the inclined surface until the damping piece 5 is positioned at the inclined surface position, and the damping piece 5 is positioned at the first position on the sliding seat 3.
The telescopic rod can be applied to children articles, and the children articles can be baby carts. The baby carriage comprises a carriage frame, and the telescopic rod is a rod piece forming the carriage frame.
When the child stroller is in the unfolded use state, the locking mechanism is in the locking state, and the damping piece 5 is in the first position relative to the sliding seat 3 so as to eliminate the gap between the inner tube 1 and the outer tube 2, so that the inner tube 1 and the outer tube 2 do not shake, the child stroller is in the stable use state, and the safety performance of the child stroller in use is improved.
When the baby stroller is folded, the telescopic rod is required to be contracted, the sliding seat 3 slides relative to the inner tube 1, and the damping piece 5 is positioned at the second position relative to the sliding seat 3, so that the propping force of the damping piece 5 on the outer tube 2 is eliminated, and the telescopic rod can be contracted by sliding the inner tube 1 and the outer tube 2 easily and relatively.
The telescopic link can be the push rod subassembly of shallow frame, and outer tube 2 is the lower push rod of push rod subassembly, and inner tube 1 is the last push rod of push rod subassembly, and button 61 can set up on last push rod in a sliding manner to convenient operation.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (10)
1. A telescopic rod comprising an outer tube and an inner tube, the inner tube portion being located in the lumen of the outer tube and slidably arranged along the length extension direction of the lumen of the outer tube, characterized in that: the telescopic rod further comprises a locking mechanism for locking the relative positions of the inner tube and the outer tube, a sliding seat connected with the inner tube in a sliding mode and a damping piece arranged between the sliding seat and the inner side wall of the outer tube in a sliding mode, the damping piece and the locking mechanism are arranged independently, the sliding seat can slide relative to the inner tube to enable the damping piece to be located at a first position and a second position relative to the sliding seat, when the damping piece is located at the first position, the damping piece is respectively abutted to the sliding seat and the inner side wall of the outer tube to be matched, and when the damping piece is located at the second position, the damping piece is matched with the inner side wall of the outer tube or the sliding seat to be separated.
2. The telescopic rod according to claim 1, wherein: be provided with first cooperation portion and second cooperation portion on the sliding seat, when the damping piece is relative the sliding seat is in first position department, the damping piece respectively with first cooperation portion with the inside wall of outer tube offsets to establish the cooperation, when the damping piece is relative the sliding seat is in second position department, the damping piece with the second cooperation portion cooperatees, the damping piece with the cooperation of the inside wall of outer tube is released, perhaps the damping piece with the inside wall of outer tube cooperatees, the damping piece with the cooperation of sliding seat is released.
3. The telescopic rod of claim 2, wherein: the damping piece is the damping ball, first cooperation portion with the distance of the inside wall of outer tube is less than the diameter of damping ball, the second cooperation portion with the distance of the inside wall of outer tube is greater than the diameter of damping ball.
4. The telescopic rod of claim 2, wherein: the second matching part is a straight surface extending along the sliding direction of the sliding seat, the first matching part is an inclined surface obliquely intersecting with the straight surface, and the inclined surface obliquely extends from the intersection of the inclined surface and the straight surface to a direction away from the straight surface and to the direction of the inner side wall of the outer tube.
5. The telescopic rod of claim 2, wherein: the sliding seat is provided with a groove which is inwards concave from the outer peripheral surface of the sliding seat, the second matching part is the bottom of the groove, and the first matching part is one side surface of the groove in the sliding direction of the sliding seat.
6. The telescopic rod according to claim 1, wherein: the telescopic rod further comprises a driving assembly used for driving the sliding seat to slide relative to the inner tube so that the damping piece is arranged from the first position to the second position, the driving assembly comprises a button and a traction rope, the button is movably arranged on the inner tube, one end part of the traction rope is fixedly arranged on the sliding seat, and the other end part of the traction rope is directly or indirectly connected with the button.
7. The telescopic rod according to claim 1, wherein: the telescopic rod further comprises an elastic piece which is used for driving the sliding seat to slide relative to the inner tube so that the damping piece is arranged from the second position to the first position, and two ends of the elastic piece are respectively arranged on the sliding seat and the inner tube.
8. The telescopic rod according to claim 1, wherein: the inner tube is provided with a slot, and the damping part is positioned in the slot.
9. The telescopic rod according to claim 1, wherein: the sliding seat is characterized in that a sliding groove is formed in one of the inner pipe and the sliding seat, a fixing pin is fixedly arranged on the other part, the sliding groove extends along the sliding direction of the sliding seat, and the fixing pin is positioned in the sliding groove and can be slidably arranged along the length extending direction of the sliding groove.
10. A child product, characterized in that: comprising a telescopic rod according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111374677.8A CN114104076B (en) | 2021-11-19 | 2021-11-19 | Telescopic rod and children article |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111374677.8A CN114104076B (en) | 2021-11-19 | 2021-11-19 | Telescopic rod and children article |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114104076A CN114104076A (en) | 2022-03-01 |
| CN114104076B true CN114104076B (en) | 2023-05-23 |
Family
ID=80396769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111374677.8A Active CN114104076B (en) | 2021-11-19 | 2021-11-19 | Telescopic rod and children article |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114104076B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201082722Y (en) * | 2007-08-01 | 2008-07-09 | 赵国松 | Mechanism for adjusting baby carriage handle highness |
| CN103655004B (en) * | 2012-09-21 | 2015-11-25 | 上海微创医疗器械（集团）有限公司 | Implant delivery system |
| CN205298179U (en) * | 2016-01-19 | 2016-06-08 | 陈建丰 | Intraductal two -way automatic locking device |
| CN106110433B (en) * | 2016-08-22 | 2022-08-26 | 中国人民解放军第三军医大学第三附属医院 | Stepless regulation transfusion hanger |
| CN206366065U (en) * | 2016-08-22 | 2017-08-01 | 中国人民解放军第三军医大学第三附属医院 | The formula of overhanging transfusion hook assembly |
| CN210042515U (en) * | 2019-03-14 | 2020-02-07 | 深圳市宏大联合实业有限公司 | Embedded wireless controller of wall |
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2021
- 2021-11-19 CN CN202111374677.8A patent/CN114104076B/en active Active
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| Publication number | Publication date |
|---|---|
| CN114104076A (en) | 2022-03-01 |
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