CN212890542U - Be applied to spacing telescopic machanism of perambulator body of rod - Google Patents
Be applied to spacing telescopic machanism of perambulator body of rod Download PDFInfo
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- CN212890542U CN212890542U CN202021073397.4U CN202021073397U CN212890542U CN 212890542 U CN212890542 U CN 212890542U CN 202021073397 U CN202021073397 U CN 202021073397U CN 212890542 U CN212890542 U CN 212890542U
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Abstract
The utility model discloses a be applied to spacing telescopic machanism of the perambulator body of rod, by first body, the second body of slip embedding in first body, fix the closure body at second body medial extremity and constitute, one side of first body is formed with the spacing hole that a plurality of equidistant straight line was arranged, the closure body comprises fixed axle sleeve and the activity post of embedding in fixed axle sleeve, the rear portion of fixed axle sleeve is formed with the annular mounting groove with the relative position gomphosis of second body, the second body is fixed on annular mounting groove through the embedding and is connected with fixed axle sleeve. When the adjustable limiting ball is applied to the practical situation, the position of the movable column in the fixed shaft seat and the position of the locking body in the first pipe body are pulled, the position of the limiting hole in the first pipe body can be adjusted, the relative position of the second pipe body in the first pipe body can be adjusted and fixed, and therefore the telescopic limiting of the second pipe body in the first pipe body is achieved.
Description
Technical Field
The utility model belongs to the technical field of the perambulator frame, concretely relates to be applied to spacing telescopic machanism of the perambulator body of rod.
Background
The baby carriage is a tool carriage designed for providing convenience for outdoor exercises of babies, has various types, mainly has two types of baby carriages in the existing market, is a full-function baby carriage which is not foldable but has good shock-proof effect, and is a portable foldable baby carriage which can be folded and stored. Wherein, the frame itself of light folding perambulator is connected through the multi-rod body and is constituted, is provided with flexible locking mechanical system and carries out the flexible of the body of rod, locks the flexible body of rod through operation locking Assembly to realize the flexible or the lift of frame of handle, nevertheless current flexible locking mechanical system is fairly simple, comprises holding ring or buckle usually, and the mode of this kind of locking is easily deviate from by the stress, and is comparatively unstable, and operates portably inadequately.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be applied to spacing telescopic machanism of the perambulator body of rod to solve the problem that proposes among the above-mentioned background art.
This utility model adopts for achieving the above purpose:
a limit telescopic mechanism applied to a baby carriage rod body comprises a first tube body, a second tube body and a locking body, wherein the second tube body is slidably embedded in the first tube body, the locking body is fixed at the inner side end of the second tube body, a plurality of limit holes are formed in one side of the first tube body and are linearly arranged at equal intervals, the locking body comprises a fixed shaft sleeve and a movable column embedded in the fixed shaft sleeve, an annular mounting groove which is oppositely embedded with the second tube body is formed in the rear portion of the fixed shaft sleeve, the second tube body is fixedly connected with the fixed shaft sleeve in an embedded mode through the annular mounting groove, a first cylindrical groove with a coaxial axis is formed in the other end of the fixed shaft sleeve, a cylindrical table is formed in the middle of the bottom wall of the first cylindrical groove, a second cylindrical groove with a coaxial axis is formed in one side close to the first cylindrical groove, a third cylindrical groove which is coaxial with the axial axis of the first cylindrical groove and is communicated with the second cylindrical groove is formed, a pair of limiting baffles are formed on the rear part of the inner side wall of the third cylindrical groove, the movable column is composed of a first column body and a second column body which is linked on the rear end wall of the first column body and is coaxial, a wiring groove is formed at the tail end of the second column body, a movable groove which is opposite to the limiting baffles and runs through two sides is formed at the rear part of the second column body, the first column body is embedded in the first cylindrical groove, the second column body is embedded in the second cylindrical groove and the third cylindrical groove, the limiting baffles of the third cylindrical groove are embedded in the movable groove, a return spring is fixedly connected between the bottom wall of the first column body and the bottom wall of the second cylindrical groove, a through hole which is opposite to the limiting hole is formed at one side of the fixed shaft sleeve, a limiting ball is embedded in the through hole, a sliding cavity which is opposite to the through hole is formed at one side of the first column body, and the middle depth of the sliding cavity, the depth of the front part of the sliding cavity is higher than that of the rear part.
It is further explained that when the return spring in the locking body is in a compressed state without external force, the tail end of the limit baffle is pressed against the rear end wall of the movable groove, and the through hole is positioned right below the rear part of the sliding cavity.
It is further noted that when the return spring in the lock body is at maximum compression, the bottom wall of the first cylinder abuts against the top wall of the cylindrical table, and the through hole is located right below the front part of the sliding cavity.
It is further explained that the diameter of the limiting hole is smaller than that of the passing hole, and the diameter of the limiting hole is smaller than that of the limiting bead.
It is further noted that the diameter of the limiting bead is smaller than that of the through hole, and the difference between the diameters of the limiting bead and the through hole is 0.05 mm.
It is further explained that an annular baffle is formed on the outer side wall of the first tube body.
Compared with the prior art, the beneficial effects of the utility model reside in that:
when the adjustable limiting ball is applied to the practical situation, the position of the movable column in the fixed shaft seat and the position of the locking body in the first pipe body are pulled, the position of the limiting hole in the first pipe body can be adjusted, the relative position of the second pipe body in the first pipe body can be adjusted and fixed, and therefore the telescopic limiting of the second pipe body in the first pipe body is achieved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of the movable post of the present invention sliding to the maximum compression of the return spring;
FIG. 3 is a schematic structural view of the movable post of the present invention during sliding;
FIG. 4 is a schematic structural view of the movable post of the present invention sliding to a state where the return spring is compressed without external force;
wherein: 1. a first pipe body; 2. a second tube body; 3. a lock body; 4. a limiting hole; 5. fixing the shaft sleeve; 6. a movable post; 7. an annular mounting groove; 8. a first cylindrical groove; 9. a cylindrical table; 10. a second cylindrical groove; 11. a third cylindrical groove; 12. a limit baffle; 13. a first column; 14. a second cylinder; 15. a wiring slot; 16. a movable groove; 17. a return spring; 18. through the hole; 19. a limiting bead; 20. a sliding cavity; 21. an annular baffle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides the following technical solutions:
a limit telescopic mechanism applied to a baby carriage rod body comprises a first tube body 1, a second tube body 2 which is embedded in the first tube body 1 in a sliding mode, and a locking body 3 fixed at the inner side end of the second tube body 2, wherein a plurality of limit holes 4 which are arranged in a straight line at equal intervals are formed in one side of the first tube body 1, the locking body 3 comprises a fixed shaft sleeve and a movable column embedded in the fixed shaft sleeve, an annular mounting groove which is embedded opposite to the second tube body 2 is formed in the rear portion of the fixed shaft sleeve, the second tube body 2 is fixed on the annular mounting groove in an embedded mode and connected with the fixed shaft sleeve, a first cylindrical groove which is coaxial with a shaft line is formed in the other end of the fixed shaft sleeve, a cylindrical table is formed in the middle of the bottom wall of the first cylindrical groove, a second cylindrical groove which is coaxial with the shaft line is formed in one side of the cylindrical table close to the first cylindrical groove, a third cylindrical groove which is coaxial with the, a pair of limit baffles are formed on the rear part of the inner side wall of the third cylindrical groove, the movable column is composed of a first column body and a coaxial second column body which is connected with the rear end wall of the first column body, a wiring groove is formed at the tail end of the second column body, a movable groove which is opposite to the limit baffles and runs through the two sides is formed at the rear part of the second column body, the first column body is embedded in the first cylindrical groove, the second column body is embedded in the second cylindrical groove and the third cylindrical groove, the limit baffles of the third cylindrical groove are embedded in the movable groove, a return spring is fixedly connected between the bottom wall of the first column body and the bottom wall of the second cylindrical groove, a through hole which is opposite to the limit hole 4 is formed at one side of the, embedding has spacing pearl in the via hole, and one side on the first cylinder is formed with the slip chamber with via hole counterpoint, and the middle part degree of depth in slip chamber reduces from the front to the back gradually, and the anterior degree of depth in slip chamber is higher than the degree of depth at rear portion.
When the reset spring in the locking body 3 is in a compression state without external force, the tail end of the limit baffle is abutted against the rear end wall of the movable groove and is positioned right below the rear part of the sliding cavity through the hole; when the reset spring in the locking body 3 is at the maximum compression degree, the bottom wall of the first column body is propped against the top wall of the column table, and the through hole is positioned under the front part of the sliding cavity.
In addition, the diameter of the limiting hole 4 is smaller than that of the passing hole, the diameter of the limiting hole 4 is smaller than that of the limiting bead, the diameter of the limiting bead is smaller than that of the passing hole, the difference between the diameters of the limiting bead and the passing hole is 0.05 mm, and the limiting bead can pass through the passing hole but cannot pass through the limiting hole 4; an annular baffle is formed on the outer side wall of the first pipe body 1, and the first pipe body 1 is convenient to capture through the annular baffle.
When the device is applied to practice, the movable body is connected with a traction wire in the second pipe body 2 through the wiring groove, the traction wire is pulled, so that a return spring in the locking body 3 is at the maximum compression degree, the bottom wall of the first cylinder body is abutted against the top wall of the cylindrical table, the front end of the limiting baffle is abutted against the front end wall of the movable groove, the through hole is positioned under the rear part of the sliding cavity, so that the limiting bead can roll among the front space of the sliding cavity, the through hole and the limiting hole 4, then the first pipe body 1 and the second pipe body 2 are pulled in opposite directions, the locking body 3 slides in the direction far away from or close to the first pipe body 1, the position of the limiting bead on the first pipe body 1 can be adjusted, when the limiting bead is pulled to fall into the limiting hole 4 at the corresponding position, the traction wire is released, the movable column slides forwards under the rebound action of the return spring, the sliding cavity exerts outward pressure on the limiting bead under the sliding action of, when a reset spring in the locking body 3 is in a non-external force compression state, the tail end of the limiting baffle abuts against the rear end wall of the movable groove, the through hole is located under the rear part of the sliding cavity, the limiting bead is clamped into the corresponding limiting hole 4, and the limiting bead is stably fixed in the limiting hole 4 and the through hole under the outward pressure of the movable column on the movable column, so that the relative position of the second pipe body 2 in the first pipe body 1 can be adjusted and fixed, and the telescopic fixation of the second pipe body 2 in the first pipe body 1 is completed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a be applied to spacing telescopic machanism of the perambulator body of rod which characterized in that: the locking device comprises a first pipe body, a second pipe body and a locking body, wherein the second pipe body is embedded in the first pipe body in a sliding mode, the locking body is fixed at the inner side end of the second pipe body, a plurality of limiting holes are formed in one side of the first pipe body and are linearly arranged at equal intervals, the locking body comprises a fixed shaft sleeve and a movable column embedded in the fixed shaft sleeve, an annular mounting groove which is oppositely embedded with the second pipe body is formed in the rear portion of the fixed shaft sleeve, the second pipe body is fixedly connected with the fixed shaft sleeve in the annular mounting groove in an embedded mode, a first cylindrical groove with a coaxial axis is formed in the other end of the fixed shaft sleeve, a cylindrical table is formed in the middle of the bottom wall of the first cylindrical groove, a second cylindrical groove with a coaxial axis is formed in one side close to the first cylindrical groove, a third cylindrical groove which is coaxial with the axial axis of the first cylindrical groove and is communicated with, a pair of limiting baffles are formed on the rear part of the inner side wall of the third cylindrical groove, the movable column is composed of a first column body and a second column body which is linked on the rear end wall of the first column body and is coaxial, a wiring groove is formed at the tail end of the second column body, a movable groove which is opposite to the limiting baffles and runs through two sides is formed at the rear part of the second column body, the first column body is embedded in the first cylindrical groove, the second column body is embedded in the second cylindrical groove and the third cylindrical groove, the limiting baffles of the third cylindrical groove are embedded in the movable groove, a return spring is fixedly connected between the bottom wall of the first column body and the bottom wall of the second cylindrical groove, a through hole which is opposite to the limiting hole is formed at one side of the fixed shaft sleeve, a limiting ball is embedded in the through hole, a sliding cavity which is opposite to the through hole is formed at one side of the first column body, and the middle depth of the sliding cavity, the depth of the front part of the sliding cavity is higher than that of the rear part.
2. The limit telescopic mechanism applied to the baby carriage rod body as claimed in claim 1, wherein: when the return spring in the locking body is in a compression state without external force, the tail end of the limit baffle abuts against the rear end wall of the movable groove, and the through hole is positioned under the rear part of the sliding cavity.
3. The limit telescopic mechanism applied to the baby carriage rod body as claimed in claim 1, wherein: when the return spring in the locking body is at the maximum compression degree, the bottom wall of the first column body is abutted against the top wall of the cylindrical table, and the through hole is positioned under the front part of the sliding cavity.
4. The limit telescopic mechanism applied to the baby carriage rod body as claimed in claim 1, wherein: the diameter of the limiting hole is smaller than that of the through hole, and the diameter of the limiting hole is smaller than that of the limiting bead.
5. The limit telescopic mechanism applied to the baby carriage rod body as claimed in claim 1, wherein: the diameter of the limiting bead is smaller than that of the through hole, and the difference between the diameters of the limiting bead and the through hole is 0.05 mm.
6. The limit telescopic mechanism applied to the baby carriage rod body as claimed in claim 1, wherein: an annular baffle is formed on the outer side wall of the first pipe body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021073397.4U CN212890542U (en) | 2020-06-11 | 2020-06-11 | Be applied to spacing telescopic machanism of perambulator body of rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021073397.4U CN212890542U (en) | 2020-06-11 | 2020-06-11 | Be applied to spacing telescopic machanism of perambulator body of rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212890542U true CN212890542U (en) | 2021-04-06 |
Family
ID=75276959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021073397.4U Active CN212890542U (en) | 2020-06-11 | 2020-06-11 | Be applied to spacing telescopic machanism of perambulator body of rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212890542U (en) |
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2020
- 2020-06-11 CN CN202021073397.4U patent/CN212890542U/en active Active
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