Telescopic stop device

Abstract

The present invention provides a telescopic stop device, comprising a base, a double-push telescopic mechanism, a stroke amplification mechanism, a limiting mechanism and a baffle. The double-push telescopic mechanism comprises a buckle seat and a telescopic push rod. The buckle seat is arranged on the base, and the telescopic push rod is arranged on the buckle seat along the telescopic direction. The telescopic push rod is used to be repeatedly pressed to move between a release position and a fixed position, and to provide an original stroke. The stroke amplification mechanism provides a bottom end, a connecting portion and a top end arranged in sequence. The bottom end is movably configured on the buckle seat, the top end is connected to the telescopic push rod, the connecting portion is connected to the telescopic push rod, and the top end is used to generate an amplified stroke along the telescopic direction. The limiting mechanism is arranged on the base to provide movement direction restriction. The baffle is movably arranged on the limiting mechanism, accepts the movement direction restriction to move parallel to the telescopic direction, and has a top end connected to the baffle. The telescopic stop device of the present invention can change the baffle between a protruding and a retracted state by simply pressing.

Description

Technical Field

[0001] The invention relates to a stopping structure arranged on the edge of a platform, in particular to a telescopic stopping device. Background Art

[0002] Platforms for placing objects, especially inclined platforms, are usually provided with a stopper structure at an edge (located on the lower side) to prevent objects placed on the platform from falling off the edge.

[0003] The height of the retaining structure is often difficult to determine. If the retaining structure is too low, it will not provide sufficient retaining effect, and objects may still fall over the retaining structure. If the retaining structure is too high, it will form a significant protrusion on the upper surface of the platform, making it difficult to carry or store the platform.

[0004] Therefore, how to improve the configuration of the blocking structure has become an important technical issue. Summary of the Invention

[0005] Based on the above technical issues, the present invention provides a telescopic stop device that can be easily pressed to operate.

[0006] To address the technical issues existing in the prior art, the present invention provides a telescopic stop device comprising a base, a double-push telescopic mechanism, a stroke amplification mechanism, a limiter mechanism, and a baffle. The double-push telescopic mechanism comprises a buckle seat and a telescopic push rod. The buckle seat is mounted on the base, and the telescopic push rod is mounted on the buckle seat along the telescopic direction. The telescopic push rod is configured to be repeatedly pressed along the telescopic direction to move between a released position and a fixed position, and to provide an initial stroke between the fixed and released positions. The stroke amplification mechanism comprises multiple pairs of cross-connected connecting rods, which are sequentially connected to form a base end, a connecting portion, and a top end. The base end is slidably mounted on the buckle seat, the top end is connected to the telescopic push rod, the connecting portion is connected to the telescopic push rod, and the top end is configured to generate an amplified stroke in the telescopic direction when the telescopic push rod provides an initial stroke. The limiter mechanism is mounted on the base to provide a movement restriction parallel to the telescopic direction. The baffle is movably mounted on the limiter mechanism to be restricted in movement parallel to the telescopic direction. The top end of the stroke amplification mechanism is connected to the baffle.

[0007] In at least one embodiment, the baffle includes a sliding plate and a top plate; the sliding plate is movably disposed on the limiting mechanism, and the top plate is disposed on a side of the sliding plate away from the base.

[0008] In at least one embodiment, the limiting mechanism includes a sleeve set, one end of which is fixed to the base and the other end is sleeved on the baffle, and the stroke amplification mechanism is inserted into the sleeve set.

[0009] In at least one embodiment, the limiting mechanism includes a fixed sleeve and at least one telescopic sleeve. The fixed sleeve is fixed to the base and sleeved on the telescopic sleeve, and the telescopic sleeve sleeve is sleeved on the sliding plate.

[0010] In at least one embodiment, at least one guide block is provided on the surface of the sliding plate, and at least one guide groove extending parallel to the telescopic direction is provided inside the telescopic sleeve, the guide block slides in the guide groove, and a stop portion is provided at the end of the guide groove to prevent the guide block from leaving the guide groove.

[0011] In at least one embodiment, the stroke amplification mechanism is disposed through the sliding plate, the fixed sleeve, and the telescopic sleeve.

[0012] In at least one embodiment, the top end is the cross-connection point of a pair of connecting rods located at the top of the stroke amplification mechanism, the connecting part is the cross-connection point of one pair of connecting rods located in the middle section of the stroke amplification mechanism, and the bottom end is the two free ends of a pair of connecting rods located at the bottom of the stroke amplification mechanism, and the two free ends are slidably connected to the buckle seat.

[0013] In at least one embodiment, the top end is the cross-connection point of a pair of connecting rods located at the top of the stroke amplification mechanism, the connecting part is the cross-connection point of one pair of connecting rods located in the middle section of the stroke amplification mechanism, and the bottom end is the cross-connection point of a pair of connecting rods located at the bottom of the stroke amplification mechanism, and is rotatably connected to the buckle seat.

[0014] In at least one embodiment, a slide rod is respectively provided on the two free ends, and two slide grooves are provided on the buckle seat. The two slide grooves are perpendicular to the telescopic direction, and each slide rod slides in each slide groove respectively.

[0015] In at least one embodiment, the telescopic stop device further includes an adapter having a first connecting piece and a second connecting piece, wherein the first connecting piece is connected to the connecting portion, and the second connecting piece extends from the first connecting piece and is connected to the telescopic push rod.

[0016] In at least one embodiment, the double-push telescopic mechanism is a rotary-engaging double-push mechanism, wherein the buckle seat has a sleeve hole with a plurality of interspaced engaging grooves therein, the plurality of engaging grooves being parallel to the telescopic direction and having an opening toward the base; the telescopic push rod includes a first rotary engaging member, a second rotary engaging member, and a reset member, disposed in the sleeve hole. The first rotary engaging member protrudes from the buckle seat to connect to the connecting portion, the first rotary engaging member rotatably engages with the second rotary engaging member, and the reset member abuts between the second rotary engaging member and the base; a sliding block is protruded from the circumference of the second rotary engaging member, and the first rotary engaging member is configured to be pressed to drive the second rotary engaging member to rotate, causing the sliding block to engage between adjacent engaging grooves or to fit into one of the engaging grooves.

[0017] In at least one embodiment, the reset element is a compression spring sleeved on the second rotating engaging element.

[0018] The present invention also provides a carrying device with a retaining function, for placing objects thereon. The carrying device includes a platform and the telescopic retaining device described above. The platform has a top surface and a bottom surface. A through-hole is defined at a bottom edge of the platform, connecting the top and bottom surfaces. The telescopic retaining device is disposed on the bottom surface, with a base corresponding to the bottom edge. The travel amplification mechanism, a limit mechanism, and a retaining plate can extend through the through-hole. When the retaining plate is in the extended position, at least a portion of the retaining plate protrudes from the top surface.

[0019] In at least one embodiment, the supporting device with a stopping function further includes a footrest disposed on the bottom surface of the platform.

[0020] Through the above technical solution, the telescopic stop device of the present invention can be adjusted between the protruding and retracted positions by simply pressing. In addition, the configuration of the stroke amplification mechanism can ensure that the baffle has sufficient travel and a more significant or appropriate protruding height to achieve the desired stopping effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional diagram of a telescopic stop device according to an embodiment of the present invention.

[0022] Figure 2 2 is another perspective view of the telescopic stop device according to an embodiment of the present invention.

[0023] Figure 3 2 is an exploded view of the telescopic stop device according to an embodiment of the present invention.

[0024] Figure 4 2 is another exploded view of the telescopic stop device according to an embodiment of the present invention.

[0025] Figure 5 This is a rear view of the interior of the telescopic stop with some components removed.

[0026] Figure 6 Another rear view of the interior of the telescopic stop with some components removed.

[0027] Figure 7 It is a three-dimensional schematic diagram of a baffle and a telescopic sleeve in a telescopic stopping device according to an embodiment of the present invention.

[0028] Figure 8 It is a three-dimensional cross-sectional view of the double-push telescopic mechanism in the telescopic stop device according to an embodiment of the present invention.

[0029] Figure 9 It is another three-dimensional cross-sectional view of the double-push telescopic mechanism in the telescopic stop device according to an embodiment of the present invention.

[0030] Figure 10 2 is a side view of a heat sink according to an embodiment of the present invention.

[0031] Figure 11 2 is another side view of the heat sink according to the embodiment of the present invention.

[0032] Explanation of reference numerals: 1- telescopic stop device; 2- heat sink; 100- base; 110- locking seat; 200- double-push telescopic mechanism; 210- buckle seat; 212- slide groove; 214- sleeve hole; 216- engaging groove; 216a- opening; 220- telescopic push rod; 221- first rotating bite member; 222: - second rotating bite member; 222a- sliding block; 223- reset member; 300- stroke amplification mechanism; 301- connecting rod; 310- bottom end; 312- sliding rod; 320- connecting portion; 330- top end; 40 0-limiting mechanism; 410-fixed sleeve; 413-window; 420-telescopic sleeve; 421-guide groove; 422-stop part; 500-baffle; 510-sliding plate; 511-guide block; 520-top plate; 600-adapter; 610-first connecting piece; 620-second connecting piece; 700-platform; 700a-top surface; 700b-bottom surface; 710-bottom edge; 712-perforation; 800-tripod; Y-telescopic direction; D1-original stroke; D2-enlarged stroke; F-fixed position; R-release position. DETAILED DESCRIPTION

[0033] See also Figure 1 and Figure 2 Figure 1 shows a retractable retaining device 1 according to an embodiment of the present invention. It is designed to be mounted on the bottom edge of an inclined platform to form a retaining device. The device allows objects to be placed on the platform and retains them to prevent them from sliding off. For example, the retractable retaining device 1 can be used in a portable electronic device holder or heat sink, such as a notebook computer, to form a retaining device. The retractable retaining device 1 can also function as a concealable, push-to-pop-up retainer.

[0034] like Figure 3 and Figure 4 As shown, the telescopic stopping device 1 of the present invention includes a base 100 , a double-push telescopic mechanism 200 , a stroke amplification mechanism 300 , a limiting mechanism 400 and a baffle 500 .

[0035] like Figure 1 、 Figure 2 、 Figure 3 and Figure 4As shown, the base 100 is generally a plate structure and is equipped with a locking seat 110 and other connecting structures. The locking seat 110 is used to allow bolts to pass through to secure the limiting mechanism 400 to the base 100. The base 100 serves as a foundation for the installation of other components. The double-push telescopic (push-push button) mechanism 200 includes a buckle seat 210 and a telescopic push rod 220. The buckle seat 210 is mounted on the base 100, and the telescopic push rod 220 is mounted on the buckle seat 210 along the telescopic direction Y.

[0036] like Figure 5 and Figure 6 As shown, the latch base 210 is equipped with a push-push latch mechanism. The push-push latch mechanism is used to latch the telescopic push rod 220 after it is pressed, or to release it and push it forward after it is pressed again. Therefore, the telescopic push rod 220 is repeatedly pressed along the telescopic direction Y to move between a protruding release position R and a retracted fixed position F. A primary travel D1 is provided between the fixed position F and the release position R. The primary travel D1 is arranged along the telescopic direction Y.

[0037] like Figure 3 、 Figure 4 、 Figure 5 and Figure 6 As shown, the stroke amplification mechanism 300 can be a scissors linkage mechanism. The stroke amplification mechanism 30 has multiple pairs of cross-connected links 301, and the multiple pairs of cross-connected links 301 are connected in sequence. The multiple pairs of cross-connected links 301 provide bottom ends 310, connecting portions 320 and top ends 330 arranged in sequence. The bottom end 310 is movably connected to the buckle seat 210, the top end 330 is connected to the telescopic push rod 220, and the connecting portion 320 is connected to the telescopic push rod 220. The top end 330 can be the cross-connection point of the pair of links 301 located at the top of the stroke amplification mechanism 300. The connecting portion 320 is the cross-connection point of one of the pairs of links 301 located in the middle section of the stroke amplification mechanism 300. The bottom end 310 can be the free ends of the pair of connecting rods 301 located at the bottom of the stroke amplification mechanism 300, slidably connected to the buckle base 210; alternatively, the bottom end 310 can be the intersection of the pair of connecting rods 301 located at the bottom, rotatably connected to the buckle base 210. In the case where the bottom end 310 is slidably connected to the buckle base 210 at its two free ends, a slide rod 312 is provided on each of the free ends, and two slide grooves 212 are provided on the buckle base 210. The two slide grooves 212 are perpendicular to the extension direction Y, and each slide rod 312 slides in its respective slide groove 212, and the free ends do not move along the extension direction Y.

[0038] like Figure 5 and Figure 6As shown, when the telescopic push rod 220 provides the original stroke D1, the top end 330 generates an amplified stroke D2 along the telescopic direction Y. Specifically, when the telescopic push rod 220 moves toward the release position R to provide the original stroke D1, the connecting portion 320 is driven by the telescopic push rod 220 to move in the same direction along the original stroke D1. Through the actuation of the stroke amplification mechanism 300, the top end 330 generates an amplified stroke D2 in the same direction relative to the buckle 210 along the telescopic direction Y. Conversely, when the top end 330 is pressed in the telescopic direction Y and moves in the opposite direction toward the base 100 to achieve the amplified stroke D2, the stroke amplification mechanism 300 actuates in the opposite direction, causing the connecting portion 320 to drive the telescopic push rod 220 to move in the opposite direction toward the base 100 by the original stroke D1, thereby retaining the telescopic push rod 220 in a fixed position F by the buckle 210. The greater the number of connecting rods 301 between the bottom end 310 and the connecting portion 320, the greater the amplification ratio of the amplified stroke D2 to the original stroke D1.

[0039] like Figure 5 and Figure 6 As shown, when the connecting portion 320 is driven by the telescopic push rod 220 to move outward by the original stroke D1, the two free ends are constrained by the slide rod 312 and the slide slot 212, and no longer move in the telescopic direction Y. Instead, the free ends move toward each other along the direction of the slide slot 212. In other words, while the bottom end 310 is fixed in the telescopic direction Y, the two free ends can slide perpendicular to the telescopic direction Y, thereby ensuring that the opening and closing movement of the multiple pairs of cross-connected connecting rods 301 is not restricted. At this time, the travel amplification provided by the multiple pairs of cross-connected connecting rods 301 amplifies the travel of the top end 330 to the amplified stroke D2. Conversely, when the top end 330 is compressed and driven in the reverse direction to move the amplified stroke D2, the two free ends move away from each other along the direction of the slide slot 212, allowing the connecting portion 320 to drive the telescopic push rod 220 in the reverse direction to move the original stroke D1.

[0040] like Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, the telescopic stop device 1 further includes an adapter 600 for connecting the telescopic push rod 220 and the connecting portion 320. The adapter 600 has a first connecting piece 610 and a second connecting piece 620. The first connecting piece 610 is connected to the connecting portion 320, and the second connecting piece 620 extends the first connecting piece 610 to form an L-shaped member of the adapter 600. The second connecting piece 620 is connected to the telescopic push rod 220.

[0041] like Figure 1 、 Figure 2 、 Figure 3 and Figure 4As shown, the limiting mechanism 400 is disposed on the base 100 to provide movement restriction parallel to the telescopic direction Y. The baffle 500 is movably disposed on the limiting mechanism 400 and is subject to movement restriction to move parallel to the telescopic direction Y. The top end 330 of the stroke amplification mechanism 300 is connected to the baffle 500, so that the telescopic push rod 220 is indirectly connected to the baffle 500 through the stroke amplification mechanism 300, thereby providing the amplified stroke D2 to the baffle 500.

[0042] like Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, the baffle 500 includes a sliding plate 510 and a top plate 520. The sliding plate 510 is movably mounted on the limiting mechanism 400, and the top 330 is connected to the sliding plate 510. The top plate 520 is disposed on the side of the sliding plate 510 away from the base 100. Specifically, the limiting mechanism 400 includes a sleeve assembly. One end of the sleeve assembly is fixed to the base 100, and the other end is sleeved on the sliding plate 510 of the baffle 500. The stroke amplification mechanism 300 is inserted into the sleeve assembly. The sleeve assembly is used to extend and retract along the telescopic direction Y to provide a movement restriction parallel to the telescopic direction Y.

[0043] More specifically, the limiting mechanism 400 includes a fixed sleeve 410 and one or more telescopic sleeves 420. The fixed sleeve 410 is fixed to the base 100 and is mounted on the telescopic sleeve 420. The stroke amplification mechanism 300 is disposed through the sliding plate 510, the fixed sleeve 410, and the telescopic sleeve 420. The telescopic sleeve 420 can move relative to the fixed sleeve 410 to achieve telescopic movement parallel to the telescopic direction Y, thereby providing a movement restriction. The telescopic sleeve 420 is mounted on the sliding plate 510 of the baffle 500, allowing the sliding plate 510 of the baffle 500 to slide or move in conjunction with the telescopic sleeve 420, thereby providing a movement restriction for the baffle 500.

[0044] like Figure 7 As shown, at least one guide block 511 is disposed on the surface of the sliding plate 510, and at least one guide groove 421 extending parallel to the telescopic direction Y is disposed within the at least one telescopic sleeve 420. The guide block 511 slides within the guide groove 421, and a stopper 422 is disposed at the end of the guide groove 421. The stopper 422 is used to stop the guide block 511, preventing it from disengaging from the guide groove 421, thereby preventing the baffle 500 from disengaging from the telescopic sleeve 420.

[0045] like Figure 3 、 Figure 4 、 Figure 5 and Figure 6As shown, the stroke amplification mechanism 300 is disposed within the sliding plate 510, the fixed sleeve 410, and at least one telescopic sleeve 420. The top end 330 is connected to the sliding plate 510 within the sliding plate 510. The fixed sleeve 410 has a window 413 on the side facing the double-push telescopic mechanism 200 to allow the sliding rod 312 to pass through and be inserted into the corresponding sliding groove 212.

[0046] like Figure 8 and Figure 9 As shown, a specific embodiment of the double-push telescopic mechanism 200 is a rotary interlocking double-push mechanism, but other forms of double-push telescopic mechanisms 200 are not excluded. In the rotary interlocking double-push mechanism, the buckle seat 210 has a sleeve hole 214, and the sleeve hole 214 has a plurality of interlocking grooves 216 arranged at intervals. The plurality of interlocking grooves 216 are parallel to the telescopic direction Y and have an opening 216a facing the base 100. The telescopic push rod 220 includes a first rotary interlocking member 221, a second rotary interlocking member 222 and a reset member 223, which are arranged in the sleeve hole 214. The first rotary interlocking member 221 protrudes from the buckle seat 210 to be connected to the connecting portion 320, and the first rotary interlocking member 221 is rotatably interlocked with the second rotary interlocking member 222. The reset member 223 is a compression spring that is sleeved on the second rotating engaging member 222. The reset member 223 abuts between the second rotating engaging member 222 and the base 100 to provide an outward thrust to the second rotating engaging member 222. A sliding block 222a is protruding from the circumference of the second rotating engaging member 222. The first rotating engaging member 221 is configured to be pressed to drive the second rotating engaging member 222 to rotate, causing the sliding block 222a to engage between adjacent engaging grooves 216 or to fit into one of the engaging grooves 216, thereby fixing the second rotating engaging member 222 in a released position or a fixed position, thereby driving the first rotating engaging member 221 to extend or retract.

[0047] like Figure 1 、 Figure 2 、 Figure 5 as well as Figure 6As shown, in a general embodiment of the present invention, the top plate 520 can be pressed to activate the stroke amplification mechanism 300. When the baffle 500 is protruding, the top plate 520 is pressed toward the base 100, driving the tip 330 to move slightly greater than the amplified stroke D2, causing the connecting portion 320 to move slightly greater than the original stroke D1. At this point, the telescopic push rod 220 retracts into the latch 210 and is further retained by the latch 210, remaining in a fixed position. When the top plate 520 is pressed again, the latch 210 releases the telescopic push rod 220, and the return member 223 pushes the telescopic push rod 220 to extend to the released position by the original stroke D1. At this point, the connecting portion 320 is driven by the original stroke D1, causing the tip 330 to move outward by the amplified stroke D2, thereby protruding the baffle 500. Thus, by repeatedly pressing the top plate 520, the baffle 500 can be switched between the protruding and retracted positions.

[0048] like Figure 10 as well as Figure 11 As shown, an embodiment of the present invention further proposes a supporting device with a stopping function. In a specific embodiment, the supporting device with a stopping function can be a supporting base or a heat sink 2 for a notebook computer. Taking the heat sink 2 as an example, it includes a platform 700 and a tripod 800. The platform 700 has a top surface 700a and a bottom surface 700b. The tripod 800 is arranged on the bottom surface 700b of the platform 700, so that the platform 700 can be tilted to the horizontal plane. A through-hole 712 is provided on the bottom edge 710 of the platform 700. The base 100 of the telescopic stopping device 1 is arranged on the bottom surface 700b of the platform 700, and the base 100 is configured corresponding to the bottom edge 710, and the stroke amplification mechanism 300, the limiting mechanism 400 and the baffle 500 can pass through the through-hole 712. When the baffle 500 is in the extended position, at least a portion of the baffle 500 protrudes from the top surface 700a of the platform 700, thereby providing a stop at the bottom edge 710 of the platform 700, preventing objects placed on the top surface 700a of the platform 700 (such as a laptop or other portable electronic device or product) from sliding off the bottom edge 710. When the baffle 500 is in the retracted position, the sliding plate 510, the stopper mechanism 400, and the stroke amplification mechanism 300 retract below the top surface 700a, and the top plate 520 just covers the perforation 712 on the top surface 700a, maintaining the flatness of the top surface 700a. As previously described, the baffle 500 can be switched between the extended and retracted positions by simply pressing the top plate 520. It should be noted that the extension direction Y of the baffle 500 is not necessarily perpendicular to the top surface 700a of the platform, but can be at an angle thereto. Therefore, the top plate 520 and the base are not necessarily perpendicular to the extension direction Y, but may have a certain inclination angle to match the top surface 700 a and the bottom surface 700 b of the platform 700 .

[0049] The telescopic stopper 1 of the present invention can be easily pressed to change the baffle 500 between the protruding and retracted positions. In addition, the configuration of the stroke amplification mechanism 300 ensures that the baffle 500 has sufficient travel and a more significant or appropriate protruding height to achieve the desired stopping effect.

[0050] The above is only a preferred embodiment of the present invention and is not intended to limit the scope of the present invention. That is, all equivalent changes and modifications based on the shape, structure, characteristics and spirit described in the claims of the present invention should be included in the claims of the present invention.

Claims

1. A telescopic stop device, characterized in that: include: base; Double-push telescopic mechanism, including a buckle seat and a telescopic push rod; The buckle seat is arranged on the base, and the telescopic push rod is arranged on the buckle seat along the telescopic direction. The telescopic push rod is used to be repeatedly pressed along the telescopic direction to move between a release position and a fixed position, and provides an original stroke between the fixed position and the release position; A stroke amplification mechanism comprising a plurality of pairs of cross-connected connecting rods, wherein the plurality of pairs of cross-connected connecting rods are sequentially connected to provide a bottom end, a connecting portion, and a top end arranged in sequence; wherein the bottom end is movably disposed on the buckle seat, the top end is connected to the telescopic push rod, the connecting portion is connected to the telescopic push rod, and the top end is used to generate an amplified stroke along the telescopic direction when the telescopic push rod provides the original stroke; a limiting mechanism, disposed on the base, to provide movement direction limitation parallel to the telescopic direction; and The baffle is movably arranged on the limiting mechanism and is restricted in the moving direction so as to move parallel to the telescopic direction; wherein the top end of the stroke amplification mechanism is connected to the baffle.

2. The telescopic stop device according to claim 1, characterized in that: The baffle includes a sliding plate and a top plate; the sliding plate is movably arranged on the limiting mechanism, and the top plate is arranged on a side of the sliding plate away from the base.

3. The telescopic stop device according to claim 1, characterized in that: The limiting mechanism comprises a sleeve set, one end of which is fixed to the base and the other end is sleeved on the baffle, and the stroke amplifying mechanism is passed through the sleeve set.

4. The telescopic stop device according to claim 2, characterized in that: The limiting mechanism includes a fixed sleeve and at least one telescopic sleeve. The fixed sleeve is fixed to the base and sleeved on the at least one telescopic sleeve. The at least one telescopic sleeve sleeve is sleeved on the baffle.

5. The telescopic stop device according to claim 4, characterized in that: At least one guide block is provided on the surface of the sliding plate, and at least one guide groove extending parallel to the telescopic direction is provided inside the at least one telescopic sleeve. The at least one guide block slides in the at least one guide groove, and a stop portion is provided at the end of the at least one guide groove to prevent the at least one guide block from detaching from the at least one guide groove.

6. The telescopic stop device according to claim 4, characterized in that: The stroke amplification mechanism is disposed in the fixed sleeve and the at least one telescopic sleeve.

7. The telescopic stop device according to claim 1, characterized in that: The top end is the cross-connection point of a pair of connecting rods located at the top of the stroke amplification mechanism, the connecting part is the cross-connection point of one pair of connecting rods located in the middle section of the stroke amplification mechanism, and the bottom end is the two free ends of a pair of connecting rods located at the bottom of the stroke amplification mechanism, and the two free ends are slidably connected to the buckle seat.

8. The telescopic stop device according to claim 1, characterized in that: The top end is the cross-connection point of a pair of connecting rods located at the top of the stroke amplification mechanism, the connecting part is the cross-connection point of one pair of connecting rods located in the middle section of the stroke amplification mechanism, and the bottom end is the cross-connection point of a pair of connecting rods located at the bottom of the stroke amplification mechanism, and is rotatably connected to the buckle seat.

9. The telescopic stop device according to claim 7, characterized in that: A sliding rod is respectively provided on the two free ends, and two sliding grooves are provided on the buckle seat. The two sliding grooves are perpendicular to the telescopic direction, and each of the sliding rods slides in each of the sliding grooves.

10. The telescopic stop device according to claim 1, characterized in that: It also includes an adapter, which has a first connecting piece and a second connecting piece. The first connecting piece is connected to the connecting portion, and the second connecting piece extends the first connecting piece and is connected to the telescopic push rod.

11. The telescopic stop device according to claim 1, characterized in that: The double-push telescopic mechanism is a rotary bite double-push mechanism; wherein the buckle seat has a sleeve hole, and the sleeve hole has a plurality of engaging grooves arranged at intervals, and the plurality of engaging grooves are parallel to the telescopic direction and have an opening facing the base; the telescopic push rod includes a first rotary bite member, a second rotary bite member and a reset member, which are arranged in the sleeve hole, wherein, The first rotating bite member protrudes from the buckle seat to be connected to the connecting part, the first rotating bite member is rotationally engaged with the second rotating bite member, and the reset member is pressed between the second rotating bite member and the base; a sliding block is convexly provided on the circumferential surface of the second rotating bite member, and the first rotating bite member is used to be pressed to drive the second rotating bite member to rotate, so that the sliding block is engaged between the adjacent multiple engaging grooves or embedded in one of the multiple engaging grooves.

12. The telescopic stop device according to claim 11, characterized in that: The reset member is a compression spring, which is sleeved on the second rotating engaging member.

13. A bearing device with a stopping function, characterized in that: include: The platform has a top surface and a bottom surface, and a through hole is formed on the bottom edge of the platform to connect the top surface and the bottom surface; as well as The telescopic stop device according to any one of claims 1 to 12 is arranged on the bottom surface, the base is configured corresponding to the bottom edge, and the stroke amplification mechanism, the limiting mechanism and the baffle can pass through the through hole; wherein, when the baffle is in a protruding state, at least a portion of the baffle protrudes from the top surface.

14. The carrying device with a stopping function according to claim 13, characterized in that: It also includes a tripod, which is arranged on the bottom surface of the platform.

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