CN214945520U - Telescopic leg frame - Google Patents
Telescopic leg frame Download PDFInfo
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- CN214945520U CN214945520U CN202120860307.4U CN202120860307U CN214945520U CN 214945520 U CN214945520 U CN 214945520U CN 202120860307 U CN202120860307 U CN 202120860307U CN 214945520 U CN214945520 U CN 214945520U
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- telescopic rod
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Abstract
The utility model discloses a flexible leg frame belongs to telescopic bracket technical field. The telescopic rod comprises telescopic parts formed by connecting a plurality of telescopic rods in the axial direction, clamping pieces used for connecting two adjacent telescopic rods and a push-back part used for contracting the telescopic parts; the pushing component is arranged on the telescopic rod at the tail end of the stretching rod; racks are arranged in the telescopic rods outside the telescopic rods at the stretching tail ends, at least two racks are arranged on the inner side surfaces of the telescopic rods, and the telescopic rods with the clamping pieces are slidably telescopic along the two racks in the last telescopic rod; the clamping piece is provided with a clamping tooth which is used for being in tooth connection with the rack. This flexible leg frame pulling telescopic link through the cooperation between latch and the rack, can make and remove the telescopic link and operate the telescopic link and reach arbitrary length, effectively satisfies the supporting role of different crowds, different environment, and stability is good.
Description
Technical Field
The utility model relates to a telescopic bracket technical field, concretely relates to a flexible leg frame for portable support.
Background
The leg frame is used for supporting objects, and the purpose of portable storage is achieved mainly through contraction or folding. However, the folding of the telescopic leg frame can only perform specific extension or contraction (i.e. the folding length of each part is fixed), and any height change cannot be achieved. The telescopic type is generally telescopic with a clamping point, each telescopic rod is of a fixed length, and telescopic fixing can be carried out only when the telescopic rod reaches a fixed point, so that the telescopic type can not reach any height change.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a flexible leg frame, leg frame stability is good, can reach the adjustment of arbitrary height, simple structure, convenient to use.
In order to achieve the above purpose, the present invention is realized by the following technical solutions:
a telescopic leg frame comprises telescopic parts formed by mutually connecting a plurality of telescopic rods in the axial direction, clamping pieces used for connecting two adjacent telescopic rods and a pushing-back part used for contracting the telescopic parts; the push-back component is arranged on the telescopic rod at the tail end of the stretching rod;
racks are arranged in the telescopic rods outside the telescopic rods at the stretching tail ends, at least two racks are arranged on the inner side surfaces of the telescopic rods, and the two racks are oppositely arranged in the telescopic rods;
the clamping piece is fixed at the end part of the telescopic rod, and the telescopic rod with the clamping piece is arranged in the upper telescopic rod and can slide and stretch along the two racks; the clamping piece is provided with a clamping tooth which is in tooth connection with the rack;
the push-back component comprises a push-back button and a push rod, the push-back button is arranged on the outer side face of the telescopic rod at the stretching end, one end of the push rod is connected with the push-back button, the other end of the push rod is connected with a push plate, and the push plate is in contact connection with the clamping piece.
Furthermore, the telescopic rod comprises a fixed telescopic rod and an operation telescopic rod; the fixed telescopic rod is connected with the operation telescopic rod; the telescopic rod at the stretching tail end is an operation telescopic rod, the clamping piece is fixed at the end part of the operation telescopic rod, and the clamping piece slides along the rack in the fixed telescopic rod.
Furthermore, at least one movable telescopic rod is additionally arranged between the fixed telescopic rod and the operation telescopic rod, and the fixed telescopic rod, the movable telescopic rod and the operation telescopic rod are sequentially connected; a rack is arranged in the movable telescopic rod;
the clamping pieces are respectively fixed at the end parts of the movable telescopic rod and the operation telescopic rod, the clamping piece of the movable telescopic rod slides along the rack in the fixed telescopic rod, and the clamping piece of the operation telescopic rod slides along the rack in the movable telescopic rod.
Further, the clamping piece also comprises a fixed shell; the clamping piece is fixed at the end parts of the movable telescopic rod and the operation telescopic rod through the fixed shell; the fixed shell is internally provided with a guide elastic rod and a spring, and the two clamping teeth are respectively connected to two ends of the spring; the number of the guide elastic rods is two, and the guide elastic rods are vertically inserted into the springs and connected to the guide elastic rods.
Further, the guide elastic rod comprises a free end, a compression end and a connecting end; the two guide elastic rods are symmetrically arranged; the push plate pushes the two guide elastic rods to slide in the fixed shell through the connecting end;
the free ends of the two guide elastic rods are symmetrically arranged and form a spring stretching interval; the compression ends of the two guide elastic rods are symmetrically arranged and form a spring compression interval; the spring slides along the guide spring rod in the spring tension section and the spring compression section.
Further, the width of the spring stretching section is larger than that of the spring compressing section.
Furthermore, the rack is formed by uniformly arranging a plurality of tooth sockets, and the inner side surface of each tooth socket close to the push-back button is an inclined surface; the latch and the tooth groove are mutually matched.
Furthermore, the outer side surface of the operation telescopic rod is provided with a push-back groove, and the push-back button is arranged in the push-back groove and runs along the axial direction of the operation telescopic rod.
Further, the outer diameters of the fixed telescopic rod, the movable telescopic rod and the operation telescopic rod are sequentially reduced along the stretching direction.
The utility model discloses flexible leg frame, its beneficial effect lies in:
(1) this flexible leg frame pulling telescopic link through the cooperation between latch and the rack, can make and remove the telescopic link and operate the telescopic link and reach arbitrary length, effectively satisfies the supporting role of different crowds, different environment.
(2) Because the spring has outside power, the tooth's socket medial surface is the inclined plane, and the latch is gliding through the inclined plane of tooth's socket, and the latch can partially retract the back and reach next tooth's socket, and the oblique angle of falling of latch and tooth's socket ensures that the telescopic link can only draw down and extend, and unable shrink resilience, effectively ensures tensile stability.
(3) Toggle to fixed telescopic link direction through the back push switch, the direction elastic rod upwards fixes the telescopic link direction and removes, and the spring removes narrower spring compression interval from the wide spring extension interval promptly, and the spring compression interval compresses the central part of spring to the latch that drives the spring both sides moves to the inboard, and the latch breaks away from the tooth's socket of rack, promotes the telescopic link and upwards contracts again, loosens the back push switch, and the direction elastic rod moves backward and recovers.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural view of embodiment 1 of the present invention;
fig. 2 is a schematic structural view of embodiment 2 of the present invention;
FIG. 3 is a schematic view of the connection of the clip within the telescoping rod;
FIG. 4 is a schematic view of the explosion structure of the fixed telescopic rod (or the movable telescopic rod) and the operation telescopic rod;
1 fixed telescopic rod, 2 moving telescopic rod, 3 operating telescopic rod, 4 racks, 5 fasteners, 6 push-back buttons, 7 push rods and 8 push plates,
401 gullets, 402 bevel;
501 latch, 502 fixed shell, 503 guide elastic rod, 504 spring, 505 spring extension section, 506 spring compression section, 507 connecting end.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments and accompanying drawings.
Example 1
A telescopic leg frame, as shown in figure 1, comprises a fixed telescopic rod 1 and an operating telescopic rod 3, wherein the fixed telescopic rod 1 and the operating telescopic rod 3 are connected with each other in the axial direction to form a telescopic part. The end part of the operation telescopic rod 3 connected with the fixed telescopic rod 1 is provided with a clamping piece 5, and the clamping piece 5 is used for connecting the fixed telescopic rod 1 and the operation telescopic rod 3. The outer diameter of the fixed telescopic rod 1 is larger than that of the operation telescopic rod 3. The operation telescopic rod 3 is provided with a push-back component for contraction.
In this embodiment, the inner side surface of the fixed telescopic rod 1 is provided with at least two racks 4, and the two racks 4 are oppositely arranged in the fixed telescopic rod 1. The rack 4 is formed by uniformly arranging a plurality of tooth grooves 401, and the inner side surface of each tooth groove 401 close to the push-back button 6 is an inclined surface 402; the latch 501 and the tooth slot 401 are mutually matched.
In the embodiment, the clamping piece 5 is fixed at the end part of the operating telescopic rod 3, and the operating telescopic rod 3 slides and stretches along the two racks 4 in the fixed telescopic rod 1 through the clamping piece 5; the clip piece 5 is provided with a clip tooth 501 for tooth joint with the rack 4.
Specifically, the card 5 further comprises a fixed shell 502, and the fixed shell 502 is two parts which are symmetrical left and right; the two-part stationary housing 502 is attached by a threaded or snap fit. The clamping piece 5 is fixed at the end part of the operation telescopic rod 3 through a fixed shell 502; a guide elastic rod 503 and a spring 504 are arranged in the fixed shell 502, and two latches 501 are respectively connected to two ends of the spring 504; the number of the guide elastic bars 503 is two, and the guide elastic bars 503 are vertically inserted into the springs 504 and connected to the guide elastic bars 503.
The guided resilient lever 503 includes a free end, a compression end, and a connection end 507; the free end and the compression end are bent, and two guide elastic rods 503 are symmetrically arranged. The free ends of the two guide elastic rods 503 are symmetrically arranged and form a spring stretching section 505 by vertically inserting the free ends into the spring 504; the compression ends of the two guide elastic rods 503 are symmetrically arranged and form a spring compression section 506; the spring 504 slides along the guiding elastic rod 503 in the spring extension section 505 and the spring compression section 506, and the width of the spring extension section 505 is larger than that of the spring compression section 506, so that the spring can compress, and the latch 501 is driven to be disengaged from the rack 4.
In this embodiment, the push back component includes push back button 6 and push rod 7, and push back button 6 sets up the lateral surface on the telescopic link at tensile end, and wherein one end of push rod 7 is connected with push back button 6, and the other end of push rod 7 is connected with push pedal 8, and push pedal 8 is connected with the contact of fastener 5.
The outer side surface of the operation telescopic rod 3 is provided with a push-back groove, and the push-back button 6 runs along the axial direction of the operation telescopic rod 3 in the push-back groove.
The push plate 8 pushes the two guide elastic rods 503 to slide in the fixed shell 502 through the connecting end 507; the guide elastic rods 503 are inserted into the springs, the two guide elastic rods 503 move upwards, and the springs 504 and the latches 501 are fixed in the fixed shell 502, so that in the process of moving the guide elastic rods 503 upwards, a part of the springs 504 between the guide elastic rods 503 move from the spring stretching interval 505 to the spring compression interval 506, and the springs 504 are compressed. The spring 504 is compressed to drive the latch 501 at both sides to separate from the rack 4, and at this time, the telescopic rod 3 is pushed to contract. When the push plate 8 is retracted to a desired position, the push plate 8 is released, and the spring 504 moves from the spring compression region 506 to the spring extension region 505, which also returns the guide spring rod 503.
Example 2
At least one movable telescopic rod 2 is additionally arranged between the fixed telescopic rod 1 and the operation telescopic rod 3, and the fixed telescopic rod 1, the movable telescopic rod 2 and the operation telescopic rod 3 are sequentially connected; a rack 4 is arranged in the movable telescopic rod 2;
the clamping piece 5 is respectively fixed at the end parts of the movable telescopic rod 2 and the operation telescopic rod 3, the clamping piece 5 of the movable telescopic rod 2 slides along the rack 4 in the fixed telescopic rod 1, and the clamping piece 5 of the operation telescopic rod 3 slides along the rack 4 in the movable telescopic rod 2.
A telescopic leg frame, as shown in figure 1, comprises a fixed telescopic rod 1, a movable telescopic rod 2 and an operating telescopic rod 3, wherein the fixed telescopic rod 1, the movable telescopic rod 2 and the operating telescopic rod 3 are connected with each other in the axial direction to form a telescopic part. The end part of the movable telescopic rod 2 connected with the fixed telescopic rod 1 is provided with a clamping piece 5, the end part of the operation telescopic rod 3 connected with the movable telescopic rod 2 is provided with a clamping piece 5, and the clamping piece 5 is used for connecting the fixed telescopic rod 1, the movable telescopic rod 2 and the operation telescopic rod 3. The outer diameter of the fixed telescopic rod 1 is larger than that of the movable telescopic rod 2, and the outer diameter of the movable telescopic rod 2 is larger than that of the operation telescopic rod 3. The operation telescopic rod 3 is provided with a push-back component for contraction.
In this embodiment, the inner side surface of the fixed telescopic rod 1 and the inner side surface of the movable telescopic rod 2 are both provided with two racks 4, and the two racks 4 are arranged in the fixed telescopic rod 1 and the movable telescopic rod 2 relatively. The rack 4 is formed by uniformly arranging a plurality of tooth grooves 401, and the inner side surface of each tooth groove 401 close to the push-back button 6 is an inclined surface 402; the latch 501 and the tooth slot 401 are mutually matched.
In the embodiment, the clamping piece 5 is fixed at the end part of the operating telescopic rod 3, and the operating telescopic rod 3 slides and stretches along the two racks 4 in the movable telescopic rod 2 through the clamping piece 5; the clip piece 5 is provided with a clip tooth 501 for tooth joint with the rack 4.
Specifically, the card 5 further comprises a fixed shell 502, and the fixed shell 502 is two parts which are symmetrical left and right; the two-part stationary housing 502 is attached by a threaded or snap fit. The clamping piece 5 is fixed at the end part of the operation telescopic rod 3 through a fixed shell 502; a guide elastic rod 503 and a spring 504 are arranged in the fixed shell 502, and two latches 501 are respectively connected to two ends of the spring 504; the number of the guide elastic bars 503 is two, and the guide elastic bars 503 are vertically inserted into the springs 504 and connected to the guide elastic bars 503.
The guided resilient lever 503 includes a free end, a compression end, and a connection end 507; the free end and the compression end are bent, and two guide elastic rods 503 are symmetrically arranged. The free ends of the two guide elastic rods 503 are symmetrically arranged and form a spring stretching section 505 by vertically inserting the free ends into the spring 504; the compression ends of the two guide elastic rods 503 are symmetrically arranged and form a spring compression section 506; the spring 504 slides along the guiding elastic rod 503 in the spring extension section 505 and the spring compression section 506, and the width of the spring extension section 505 is larger than that of the spring compression section 506, so that the spring can compress, and the latch 501 is driven to be disengaged from the rack 4.
In this embodiment, the push back component includes push back button 6 and push rod 7, and push back button 6 sets up the lateral surface on the telescopic link at tensile end, and wherein one end of push rod 7 is connected with push back button 6, and the other end of push rod 7 is connected with push pedal 8, and push pedal 8 is connected with the contact of fastener 5.
The outer side surface of the operation telescopic rod 3 is provided with a push-back groove, and the push-back button 6 runs along the axial direction of the operation telescopic rod 3 in the push-back groove.
The push plate 8 pushes the two guide elastic rods 503 to slide in the fixed shell 502 through the connecting end 507; the guide elastic rods 503 are inserted into the springs 504, the two guide elastic rods 503 move upwards, and the springs 504 and the latches 501 are fixed in the fixed shell 502, so that in the process of moving the guide elastic rods 503 upwards, a part of the springs 504 between the guide elastic rods 503 move from the spring stretching interval 505 to the spring compression interval 506, and the springs are compressed. After the spring is compressed, the latch 501 at both sides is driven to separate from the rack 4, and at this time, the telescopic rod 3 is pushed to contract. When the push plate 8 is retracted to a required position, the push plate 8 is released, the elastic force of the spring moves the push plate from the spring compression section 506 to the spring extension section 505, and the guide elastic rod 503 is also driven to return.
When the operation telescopic link 3 is completely contracted into the movable telescopic link 2, the clamping piece 5 of the operation telescopic link 3 is contacted with the clamping piece 5 in the movable telescopic link 2. And push pedal 8 promotes fastener 5 in the operation telescopic link 3, through the transmission of force, promotes fastener 5 in the removal telescopic link 2 again, makes removal telescopic link 2 shrink in fixed telescopic link 1.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.
Claims (9)
1. A telescopic leg frame is characterized in that: the telescopic rod comprises telescopic parts formed by connecting a plurality of telescopic rods in the axial direction, clamping pieces used for connecting two adjacent telescopic rods and a push-back part used for contracting the telescopic parts; the push-back component is arranged on the telescopic rod at the tail end of the stretching rod;
racks are arranged in the telescopic rods outside the telescopic rods at the stretching tail ends, at least two racks are arranged on the inner side surfaces of the telescopic rods, and the two racks are oppositely arranged in the telescopic rods;
the clamping piece is fixed at the end part of the telescopic rod, and the telescopic rod with the clamping piece is arranged in the upper telescopic rod and can slide and stretch along the two racks; the clamping piece is provided with a clamping tooth which is in tooth connection with the rack;
the push-back component comprises a push-back button and a push rod, the push-back button is arranged on the outer side face of the telescopic rod at the stretching end, one end of the push rod is connected with the push-back button, the other end of the push rod is connected with a push plate, and the push plate is in contact connection with the clamping piece.
2. The telescoping leg rack of claim 1, wherein: the telescopic rod comprises a fixed telescopic rod and an operation telescopic rod; the fixed telescopic rod is connected with the operation telescopic rod; the telescopic rod at the stretching tail end is an operation telescopic rod, the clamping piece is fixed at the end part of the operation telescopic rod, and the clamping piece slides along the rack in the fixed telescopic rod.
3. The telescoping leg rack of claim 2, wherein: at least one movable telescopic rod is additionally arranged between the fixed telescopic rod and the operation telescopic rod, and the fixed telescopic rod, the movable telescopic rod and the operation telescopic rod are sequentially connected; a rack is arranged in the movable telescopic rod;
the clamping pieces are respectively fixed at the end parts of the movable telescopic rod and the operation telescopic rod, the clamping piece of the movable telescopic rod slides along the rack in the fixed telescopic rod, and the clamping piece of the operation telescopic rod slides along the rack in the movable telescopic rod.
4. The telescoping leg rack of claim 3, wherein: the clamping piece further comprises a fixing shell; the clamping piece is fixed at the end parts of the movable telescopic rod and the operation telescopic rod through the fixed shell; the fixed shell is internally provided with a guide elastic rod and a spring, and the two clamping teeth are respectively connected to two ends of the spring; the number of the guide elastic rods is two, and the guide elastic rods are vertically inserted into the springs and connected to the guide elastic rods.
5. The telescoping leg rack of claim 4, wherein: the guide elastic rod comprises a free end, a compression end and a connecting end; the two guide elastic rods are symmetrically arranged; the push plate pushes the two guide elastic rods to slide in the fixed shell through the connecting end;
the free ends of the two guide elastic rods are symmetrically arranged and form a spring stretching interval; the compression ends of the two guide elastic rods are symmetrically arranged and form a spring compression interval; the spring slides along the guide spring rod in the spring tension section and the spring compression section.
6. The telescoping leg rack of claim 5, wherein: the width of the spring stretching section is larger than that of the spring compressing section.
7. The telescoping leg rack of claim 3, wherein: the rack is formed by uniformly arranging a plurality of tooth sockets, and the inner side surface of each tooth socket close to the push-back button is an inclined surface; the latch and the tooth groove are mutually matched.
8. A telescopic leg according to claim 2 or 3, characterized in that: the outer side surface of the operation telescopic rod is provided with a push-back groove, and the push-back button is arranged in the push-back groove and runs along the axial direction of the operation telescopic rod.
9. A telescopic leg according to claim 2 or 3, characterized in that: the outer diameters of the fixed telescopic rod, the movable telescopic rod and the operation telescopic rod are sequentially reduced along the stretching direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120860307.4U CN214945520U (en) | 2021-04-25 | 2021-04-25 | Telescopic leg frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120860307.4U CN214945520U (en) | 2021-04-25 | 2021-04-25 | Telescopic leg frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214945520U true CN214945520U (en) | 2021-11-30 |
Family
ID=79066200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120860307.4U Active CN214945520U (en) | 2021-04-25 | 2021-04-25 | Telescopic leg frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214945520U (en) |
-
2021
- 2021-04-25 CN CN202120860307.4U patent/CN214945520U/en active Active
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