Elastic locking telescopic rod and photographing selfie stick applying same

Abstract

The elastic locking telescopic rod comprises an outer pipe and an inner pipe, the rear end of the inner pipe is inserted into the outer pipe and can move back and forth along the outer pipe, the elastic locking telescopic rod further comprises a clamping spring and a plurality of anti-slip pieces, the anti-slip pieces are arranged at the rear end of the inner pipe and are sequentially arranged in the circumferential direction of the inner pipe to form an assembly cavity for containing the clamping spring, and the clamping spring is arranged in the assembly cavity. The clamping spring is provided with two end parts which are arranged in the circumferential direction of the pipe fitting at intervals, the clamping spring extends from one end part to the other end part along the cavity wall of the assembly cavity, and the plurality of anti-slip parts are driven by the clamping spring to move outwards to lock the inner pipe on the outer pipe. The rear end of the inner pipe is provided with a plurality of anti-slip pieces which are distributed in the circumferential direction of the inner pipe to form the assembly cavity, and the assembly cavity is internally provided with a clamp spring which drives the anti-slip pieces to move outwards to enable the anti-slip piece parts to abut against the outer pipe to abut against the inner pipe, so that the inner pipe can be locked in the moving direction of the inner pipe, the stretching length can be adjusted at will, and use is convenient and fast; and the snap spring has a good locking effect.

Description

Technical Field

[0001] The present invention relates to the technical field of photographic equipment, and in particular to an elastic locking telescopic rod and a photographic selfie rod using the same. Background Art

[0002] A tripod is a device used to place photographic equipment for fixed-point shooting. The existing tripod includes a telescopic rod, a sliding sleeve, a plurality of legs and a plurality of support rods. The sliding sleeve is inserted into the telescopic rod and can slide up and down along the telescopic rod. The plurality of legs are spaced apart in the circumferential direction of the sliding sleeve and are rotatably connected to the sliding sleeve. The plurality of support rods are spaced apart in the circumferential direction of the telescopic rod. The support rods are rotatably connected to the telescopic rod and the legs respectively. When the sliding sleeve moves downward, the legs are driven to turn outward and the support rods are turned downward to realize the expansion of the tripod. When the sliding sleeve moves upward, the legs are driven to turn inward and the support rods are turned upward to realize the folding of the tripod. Among them, the telescopic rod is composed of a plurality of pipe fittings that are sleeved in sequence. Among the two adjacent pipe fittings, one pipe fitting is provided with a plug hole, and the other pipe fitting is provided with a block that can move relative to it in its radial direction. In the storage state, the block is retracted into the pipe fitting and is axially staggered from the plug hole. In the stretched state, the block protrudes from the pipe fitting and is plugged into the plug hole, so that the two pipe fittings are locked in the stretched state. However, since one block is matched with one plug hole, the stretching length of the telescopic rod is unique, which is inconvenient to use. Summary of the invention

[0003] The purpose of the present invention is to provide an elastic locking telescopic rod to solve the problem that the telescopic rod of the existing tripod is locked in the telescopic state through a clamping block and a plug hole, the stretching length is unique, and it is inconvenient to use.

[0004] The present invention is achieved through the following technical solutions:

[0005] An elastic locking telescopic rod includes a plurality of pipe fittings which are sequentially sleeved, wherein one of the two adjacent pipe fittings is defined as an outer pipe and the other is defined as an inner pipe, wherein the rear end of the inner pipe is inserted into the outer pipe and can move forward and backward along the outer pipe, and further includes a retaining spring and a plurality of anti-slip parts, wherein the plurality of anti-slip parts are arranged at the rear end of the inner pipe and sequentially arranged in the circumferential direction of the inner pipe to form an assembly cavity for accommodating the retaining spring, wherein the retaining spring has two ends which are spaced apart in the circumferential direction of the pipe fitting, wherein the retaining spring extends from one end to the other end along the wall of the assembly cavity, wherein the plurality of anti-slip parts are driven by the retaining spring to move outward to lock the inner pipe on the outer pipe, and the end protrudes inward on the side away from the wall of the assembly cavity.

[0006] Furthermore, the angle β formed by the line connecting the two end portions and the center of the retaining spring has a value range of: 75° to 85°; and / or the number of the anti-slip parts is two, and the two anti-slip parts are arranged at intervals to form a gap when the retaining spring locks the outer tube on the inner tube, and the two end portions are arranged on opposite sides of the gap; and / or the retaining spring is made of metal or plastic.

[0007] Furthermore, the rear end of the inner tube is spaced apart from the inner wall of the outer tube to form a non-slip space, and the non-slip member has an axial extension portion, which is accommodated in the non-slip space and partially extends from the rear end of the inner tube to form the assembly cavity.

[0008] Furthermore, the anti-slip part also has a radial extension portion, which extends from the axial extension portion toward the assembly cavity. There are two radial extension portions, and the two radial extension portions are spaced apart in the axial direction of the pipe to form a positioning hole for inserting the retaining ring.

[0009] Furthermore, a guide groove that slides with the outer tube is provided on the outer side of the shaft extension portion, and an inserting portion that plugs with the inner tube is provided on the inner side of the shaft extension portion. A reinforcing rib is provided on the side of the inserting portion facing away from the guide groove. The inserting portion is symmetrically arranged with respect to the guide groove, and the reinforcing rib is opposite to the guide groove.

[0010] Furthermore, the portion of the shaft extension portion extending out of the anti-slip space accounts for 1 / 4 to 1 / 3 of the shaft extension portion; and / or a plurality of anti-slip protrusions are arranged on the outer side of the shaft extension portion.

[0011] In order to solve the problem that the telescopic rod of the existing tripod is locked in the telescopic state by a block and a socket, the stretching length is unique, and it is inconvenient to use, the present invention provides an elastic locking telescopic rod, and accordingly, provides a photography selfie rod, including a telescopic rod, a sliding sleeve and a plurality of legs, the telescopic rod is the above-mentioned elastic locking telescopic rod, among the plurality of pipe fittings, the outermost pipe fitting is defined as a surface tube, and the innermost pipe fitting is defined as a core tube, the sliding sleeve is inserted into the surface tube and can slide along the surface tube, the plurality of legs are distributed at intervals in the circumferential direction of the sliding sleeve and are rotatably connected to the sliding sleeve, the legs can rotate with the connection between the sliding sleeve and the sleeve as the axis to switch between the expanded state and the retracted state, the surface tube and the legs are provided with a driving assembly and a locking structure, the driving assembly is used to make the legs expand outward and switch to the expanded state, and the locking structure is used to lock the legs in the retracted state.

[0012] Furthermore, the driving assembly includes a support rod, an inner torsion spring and an outer torsion spring, the support rod being rotatably connected to the surface tube and the support leg respectively, the inner torsion spring being arranged at one end of the support rod connected to the surface tube and having two free ends respectively abutting against the surface tube and the support rod, the outer torsion spring being arranged at one end of the support rod connected to the support leg and having two free ends respectively abutting against the support leg and the support rod, the support rod is driven by the inner torsion spring and the outer torsion spring to flip outward and drive the support leg to switch to the unfolded state.

[0013] Furthermore, the support rod has an inner shaft portion and an outer shaft portion, the surface tube is rotatably connected to the support rod at the inner shaft portion, the support foot is rotatably connected to the support rod at the outer shaft portion, the inner torsion spring is rotatably connected to the support rod at the inner shaft portion, and the outer torsion spring is rotatably connected to the support rod at the outer shaft portion.

[0014] Furthermore, the support rod has an outer fixed groove for inserting the free end of the outer torsion spring; and / or the support rod has an inner fixed groove for inserting the free end of the inner torsion spring; and / or the surface tube has a limiting hole for inserting the free end of the inner torsion spring.

[0015] Further, the driving assembly includes a double torsion spring, which has an inner torsion part, an outer torsion part and a connecting spring part. The inner torsion part is rotatably connected to the surface tube and has a free end that abuts against the surface tube, and the outer torsion part is rotatably connected to the support leg and has a free end that abuts against the support leg. The connecting spring part connects the inner torsion part and the outer torsion part, and the support leg is driven by the double torsion spring to flip outward and switch to the unfolded state.

[0016] Furthermore, the surface tube is provided with an inner limiting hole for the free end of the inner twisting part to be inserted, and the supporting foot is provided with an outer limiting groove for the free end of the outer twisting part to be inserted.

[0017] Furthermore, the locking structure includes a locking seat arranged on the surface tube and a locking hole arranged on the supporting leg. The locking seat can move up and down relative to the surface tube and has a buckle. When the supporting leg is folded and fits the surface tube, the buckle engages with the locking hole to lock the supporting leg in a folded state. When the locking seat moves upward, the buckle moves away from the locking hole to release the supporting leg.

[0018] Furthermore, the surface tube is provided with an elastic member for driving the locking seat to move downward so that the buckle clamps the clamping hole, and the surface tube is provided with a connecting rod. The locking seat is slidably connected to the surface tube through the connecting rod, and the elastic member is passed through the connecting rod and elastically resists the surface tube and the locking seat respectively.

[0019] Furthermore, a clamping seat is rotatably connected to the core tube, and the clamping seat includes a rocker arm, a base arm and a telescopic arm. One end of the rocker arm is rotatably connected to the core tube and the other end is rotatably connected to the base arm. The telescopic arm is slidably connected to the base arm and clamped in cooperation with the base arm; the base arm has a guide hole, and the telescopic arm has a guide bar that slidably cooperates with the guide hole, and a driving member that drives the guide bar to move into the guide hole is provided between the guide bar and the base arm; the rocker arm has a universal head, and the universal head is spherical, the base arm has a base and a disassembly part, the base has the guide hole, the disassembly part is detachably fixedly connected to the base and encloses the base to form a universal hole, and the universal head is rotatably connected to the base arm at the universal hole.

[0020] The advantage of the technical solution is that by arranging a number of anti-slip parts distributed circumferentially in the inner tube to form an assembly cavity at the rear end of the inner tube, a retaining spring is arranged in the assembly cavity to drive the number of anti-slip parts to move outward so that part of the anti-slip parts abuts against the outer tube and part of the anti-slip parts abuts against the inner tube, so that the inner tube can be locked in its moving direction, the stretching length can be adjusted at will, it is easy to use, and the retaining spring has a good locking effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The three-dimensional selfie stick of the embodiment 1 disclosed Figure 1 (expanded state);

[0022] Figure 2 is a three-dimensional diagram of the elastic locking telescopic rod disclosed in Example 1;

[0023] Figure 3 It is a partial front view of the elastic locking telescopic rod disclosed in Example 1 (two pipes in the storage state);

[0024] Figure 4 yes Figure 3 Sectional view at the middle BB;

[0025] Figure 5 yes Figure 4 A partial enlarged view of point D in the middle;

[0026] Figure 6 yes Figure 3 Sectional view at CC;

[0027] Figure 7 is a partial exploded view of the elastic locking telescopic rod disclosed in Example 1;

[0028] Figure 8 yes Figure 7 A partial enlarged view of point E in the middle;

[0029] Fig. 9 is a three-dimensional diagram of the anti-slip member in Example 1;

[0030] Fig.10 yes Figure 1 A partial enlarged view of the middle A;

[0031] Fig.11 The three-dimensional selfie stick of the embodiment 1 disclosed Figure 2 (expanded state);

[0032] Fig.12 yes Fig.11 A partial enlarged view of the F in the middle;

[0033] Fig.13 is a partial exploded view of the selfie stick for photography disclosed in Example 1;

[0034] Fig.14 yes Fig.13 A partial enlarged view of the G in the middle;

[0035] Fig.15 The three-dimensional selfie stick of the embodiment 1 disclosed Figure 3 (folded state);

[0036] Fig.16 is a three-dimensional diagram of the clamping seat in Example 1;

[0037] Fig.17 is a stereoscopic diagram of the selfie stick for photography disclosed in Example 2;

[0038] Fig.18 It is a stereoscopic diagram of the driving assembly in Example 2. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] Example 1: Figure 1-16 As shown, the selfie stick comprises a telescopic rod 1, a sliding sleeve 2 and a plurality of legs 3. The telescopic rod 1 is an elastic locking telescopic rod. Figure 2-9As shown, the elastic locking telescopic rod includes a plurality of pipe fittings 101 which are sleeved in sequence. Among the two adjacent pipe fittings 101, one pipe fitting 101 is defined as an outer pipe 102, and the other pipe fitting 101 is defined as an inner pipe 103. The rear end of the inner pipe 103 is inserted into the outer pipe 102 and can move forward and backward along the outer pipe 102. The elastic locking telescopic rod also includes a retaining spring 104 and a plurality of anti-slip members 105. The plurality of anti-slip members 105 are arranged at the rear end of the inner pipe 103 and are arranged in sequence on the circumference of the inner pipe 103 to form an assembly cavity 106 for accommodating the retaining spring 104. The retaining spring 104 has two end portions 107 and a ring connecting portion 108. The two end portions 107 are arranged at intervals on the circumference of the pipe fitting 101. The ring connecting portion 108 extends from one end portion 107 to the other end portion 107 along the wall of the assembly cavity 106. The end portion 107 faces inward from the side of the wall of the assembly cavity 106 away from the wall of the assembly cavity 106. The protrusion, the retaining spring 104 is used to move the plurality of anti-slip parts 105 outward, so that part of the anti-slip part 105 abuts against the outer tube 102 and part of it abuts against the inner tube 103, and the inner tube 103 is locked on the outer tube 102. Among the plurality of pipe fittings 101, the outermost pipe fitting 101 is defined as the surface tube 109, and the innermost pipe fitting 101 is defined as the core tube 110. The sliding sleeve 2 is passed through the surface tube 109 and can slide along the surface tube 109. The plurality of supporting legs 3 are distributed at intervals in the circumferential direction of the sliding sleeve 2 and are rotatably connected to the sliding sleeve 2. The supporting legs 3 can rotate around the connection between the sliding sleeve 2 and the sleeve 2 to switch between the expanded state and the retracted state. The surface tube 109 and the supporting legs 3 are provided with a driving assembly 4 and a locking structure 5. The driving assembly 4 is used to make the supporting legs 3 expand outward and switch to the expanded state, and the locking structure 5 is used to lock the supporting legs 3 in the retracted state.

[0041] Among them, when the inner tube 103 is stationary relative to the outer tube 102, the retaining spring 104 expands outward to make the several anti-slip parts 105 move outward, so that part of the anti-slip parts 105 abuts against the outer tube 102 and part of them abuts against the inner tube 103, thereby locking the inner tube 103 on the outer tube 102; when the inner tube 103 moves relative to the outer tube 102 driven by external force, the retaining spring 104 contracts inward to release the inner tube 103. In summary, the present embodiment provides a photography selfie stick to solve the problems that the telescopic rod of the existing tripod is locked in the telescopic state by a block and a socket, the stretching length is unique, and it is inconvenient to use. It is mainly achieved by configuring a plurality of anti-slip parts 105 distributed circumferentially on the inner tube 103 to form an assembly cavity 106 at the rear end of the inner tube 103, and configuring a retaining spring 104 in the assembly cavity 106 to drive the plurality of anti-slip parts 105 to move outward so that part of the anti-slip parts 105 abuts against the outer tube 102 and part of the anti-slip parts abuts against the inner tube 103, so that the inner tube 103 can be locked in its moving direction, the stretching length can be adjusted at will, it is convenient to use, and the retaining spring 104 has a good locking effect.

[0042] At the same time, the photography selfie stick is configured with a driving component 4 between the surface tube 109 and the support leg 3 for switching the support leg 3 from an outwardly expanded state to an expanded state and a locking structure 5 for locking the support leg 3 in a retracted state. When the locking structure 5 is unlocked, the support leg 3 can be quickly expanded outward without the need to push the sliding sleeve 2 to achieve expansion, and the operation is simple and quick. At the same time, the support leg 3 can be locked when retracted through the locking structure 5, which is convenient for storage.

[0043] In the first embodiment of the present invention, the angle β formed by the line connecting the two ends 107 and the center of the spring 104 has a value range of 75° to 85°. The above setting configures the angle β formed by the line connecting the two ends 107 and the center of the spring 104 to have a value range of 75° to 85°, so that the spring 104 has a good locking effect.

[0044] In the first embodiment of the present invention, there are two anti-slip members 105, which are arranged at intervals to form a gap when the clamping spring 104 locks the outer tube 102 on the inner tube 103, and the two end portions 107 are arranged on opposite sides of the gap. The above arrangement arranges the two end portions 107 on opposite sides of the gap, so that the direction in which the clamping spring 104 expands outwards is consistent with the moving direction of the anti-slip member 105, and the driving effect and the locking effect are good.

[0045] In the first embodiment of the present invention, the clamp spring 104 is made of metal or plastic. Since the clamp spring 104 is made of metal or plastic, the clamp spring 104 has a good locking effect, is not easy to break, and has a long service life.

[0046] In the first embodiment of the present invention, the rear end of the inner tube 103 is spaced from the inner wall of the outer tube 102 to form a non-slip space (not shown in the figure), and the non-slip member 105 has an axis extension portion 111, which is accommodated in the non-slip space and partially extends from the rear end of the inner tube 103 to the non-slip space to form an assembly cavity 106. The above arrangement configures the axis extension portion 111 to be accommodated in the non-slip space and partially extends from the rear end of the inner tube 103 to the non-slip space to form an assembly cavity 106, so that when the retaining spring 104 drives the non-slip member 105 to move outward, the non-slip member 105 partially abuts against the outer tube 102 and partially abuts against the inner tube 103.

[0047] In the first embodiment of the present invention, the portion of the shaft extension 111 extending out of the anti-slip space occupies 1 / 4 to 1 / 3 of the shaft extension 111. By configuring the portion of the shaft extension 111 extending out of the anti-slip space to occupy 1 / 4 to 1 / 3 of the shaft extension 111, the anti-slip member 105 has good locking ability when moving outward.

[0048] In the first embodiment of the present invention, a plurality of anti-slip protrusions 112 are disposed on the outer side of the shaft extension 111. The above arrangement provides a plurality of anti-slip protrusions 112 on the outer side of the shaft extension 111, so that the anti-slip member 105 has a good locking ability when moving outward.

[0049] In the first embodiment of the present invention, the anti-slip member 105 further has a radial extension portion 113, which extends from the shaft extension portion 111 toward the assembly cavity 106. There are two radial extension portions 113, which are spaced apart in the axial direction of the pipe 101 to form a positioning hole 114 for inserting the retaining spring 104. The above arrangement makes the retaining spring 104 stable in assembly by configuring the radial extension portion 113 into two and spaced apart to form a positioning hole 114 for inserting the retaining spring 104.

[0050] In the embodiment 1 of the present invention, the outer side of the shaft extension part 111 is provided with a guide groove 115 which is slidably matched with the outer tube 102, the inner side of the shaft extension part 111 is provided with a plug-in part 116 which is plug-in matched with the inner tube 103, and the plug-in part 116 is provided with a reinforcing rib 117 on the side facing away from the guide groove 115. The above arrangement makes the assembly of the anti-slip member 105 and the outer tube 102 / inner tube 103 stable by configuring the guide groove 115 and the plug-in part 116 on the shaft extension part 111, and the reinforcing rib 117 is configured on the plug-in part 116, so that the shaft extension part 111 has good structural strength, is not easy to break, and has a long service life.

[0051] In the first embodiment of the present invention, the plug-in portion 116 is symmetrically arranged with respect to the guide groove 115, and the reinforcing rib 117 is directly opposite to the guide groove 115. By configuring the plug-in portion 116 to be symmetrical with respect to the guide groove 115 and configuring the reinforcing rib 117 to be directly opposite to the guide groove 115, the shaft extension portion 111 has good structural strength, is not easy to break, and has a long service life.

[0052] In embodiment 1 of the present invention, the driving assembly 4 includes a support rod 401, an inner torsion spring 402 and an outer torsion spring 403. The support rod 401 is rotatably connected to the surface tube 109 and the support leg 3 respectively. The inner torsion spring 402 is arranged at one end of the support rod 401 connected to the surface tube 109 and has two free ends respectively abutting against the surface tube 109 and the support rod 401. The outer torsion spring 403 is arranged at one end of the support rod 401 connected to the support leg 3 and has two free ends respectively abutting against the support leg 3 and the support rod 401. When the support rod 401 is driven by the inner torsion spring 402 and the outer torsion spring 403 to flip outward, it drives the support leg 3 to unfold outward and switch to the unfolded state. The above-mentioned arrangement configures the driving component 4 into a support rod 401 rotatably connected to the surface tube 109 and the support leg 3 respectively, an internal torsion spring 402 provided at one end of the support rod 401 connected to the surface tube 109 and respectively abutting against the surface tube 109 and the support rod 401, and an external torsion spring 403 provided at one end of the support rod 401 connected to the support leg 3 and respectively abutting against the support leg 3 and the support rod 401, so that when the support rod 401 is driven by the internal torsion spring 402 and the external torsion spring 403 to flip outward, it can drive the support leg 3 to expand outward and switch to the expanded state, thereby realizing rapid expansion of the support leg 3 and ensuring that the support leg 3 has a good supporting effect when switching to the expanded state.

[0053] In the first embodiment of the present invention, the support rod 401 has an inner shaft portion 404 and an outer shaft portion 405, the surface tube 109 is rotatably connected to the support rod 401 at the inner shaft portion 404, the support leg 3 is rotatably connected to the support rod 401 at the outer shaft portion 405, the inner torsion spring 402 is rotatably connected to the support rod 401 at the inner shaft portion 404, and the outer torsion spring 403 is rotatably connected to the support rod 401 at the outer shaft portion 405. The above arrangement is configured on the support rod 401 with the inner shaft portion 404 rotatably connected to the surface tube 109 and the outer shaft portion 405 rotatably connected to the support leg 3, the inner torsion spring 402 is configured on the inner shaft portion 404, and the outer torsion spring 403 is configured on the outer shaft portion 405, so that the support rod 401, the surface tube 109, the support leg 3, the inner torsion spring 402 and the outer torsion spring 403 are reasonably compactly and stably assembled, and the driving effect is good.

[0054] In the first embodiment of the present invention, the support rod 401 has an outer fixed groove 400 for the free end of the outer torsion spring 403 to be placed in and an inner fixed groove (not shown in the figure) for the free end of the inner torsion spring 402 to be placed in. The above arrangement is provided on the support rod 401 with the outer fixed groove 400 for the free end of the outer torsion spring 403 to be placed in and the inner fixed groove for the free end of the inner torsion spring 402 to be placed in, so that the outer torsion spring 403, the inner torsion spring 402 and the support rod 401 are stably assembled and the driving effect is good.

[0055] In the first embodiment of the present invention, the face tube 109 has an inner fixed groove 118 for inserting the free end of the inner torsion spring 402. The above arrangement makes the inner torsion spring 402 and the face tube 109 assembled stably and has a good driving effect by configuring the inner fixed groove 118 for inserting the free end of the inner torsion spring 402 on the face tube 109.

[0056] In Embodiment 1 of the present invention, when the plurality of legs 3 are switched to the folded state, they enclose a chamber (not shown) for accommodating the surface tube 109 and the drive assembly 4. The above arrangement enables the storage size of the tripod that is easy to quickly deploy to be small when the plurality of legs 3 are switched to the folded state by configuring the plurality of legs 3 to enclose a chamber for accommodating the surface tube 109 and the drive assembly 4 when the plurality of legs 3 are switched to the folded state.

[0057] In the first embodiment of the present invention, the locking structure 5 includes a locking seat 501 provided on the surface tube 109 and a locking hole 502 provided on the supporting leg 3. The locking seat 501 can move up and down relative to the surface tube 109 and has a buckle 503. When the supporting leg 3 is folded and attached to the surface tube 109, the buckle 503 is engaged with the buckle 502 to lock the supporting leg 3 in the folded state. When the locking seat 501 moves upward, the buckle 503 is disengaged from the buckle 502 to release the supporting leg 3. The above arrangement is configured by configuring the locking seat 501 on the surface tube 109, configuring the buckle 503 on the locking seat 501, and configuring the locking hole 502 on the supporting leg 3, so that when the supporting leg 3 is folded and attached to the surface tube 109, the buckle 503 is engaged with the buckle 503 to lock the supporting leg 3 in the folded state. At the same time, the locking seat 501 can be pressed to move the locking seat 501 upward to release the supporting leg 3, and the operation is quick and simple.

[0058] In the first embodiment of the present invention, the face tube 109 is provided with an elastic member 6 that drives the locking seat 501 to move downward so that the buckle 503 clamps the clamping hole 502. Specifically, the elastic member 6 is a spring. The above arrangement is provided on the face tube 109 to drive the locking seat 501 to move downward so that the buckle 503 clamps the clamping hole 502, so that the buckle 503 and the clamping hole 502 are stably clamped, and the locking effect is good.

[0059] In the first embodiment of the present invention, the noodle tube 109 is provided with a connecting rod 7, the locking seat 501 is slidably connected to the noodle tube 109 through the connecting rod 7, and the elastic member 6 is passed through the connecting rod 7 to elastically resist the noodle tube 109 and the locking seat 501. The above arrangement is provided by arranging the connecting rod 7 on the noodle tube 109 to slide with the locking seat 501, and arranging the elastic member 6 on the connecting rod 7, so that the elastic member 6 is assembled stably.

[0060] In the embodiment 1 of the present invention, the core tube 110 is rotatably connected with a clamping seat 8, and the clamping seat 8 includes a rocker arm 801, a base arm 802 and a telescopic arm 803. One end of the rocker arm 801 is rotatably connected to the core tube 110 and the other end is rotatably connected to the base arm 802. The telescopic arm 803 is slidably connected to the base arm 802 and cooperates with the base arm 802 for clamping. The base arm 802 has a guide hole (not shown in the figure), and the telescopic arm 803 has a guide bar 805 that slidably cooperates with the guide hole. The guide bar 801 is connected to the core tube 110 at one end and the base arm 802 at the other end. A driving member (not shown in the figure) for driving the guide bar 805 to move into the guide hole is provided between the rocker arm 801 and the base arm 802. The rocker arm 801 has a universal head 806, which is spherical. The base arm 802 has a base 807 and a disassembly part 808. The base 807 has a guide hole (not shown in the figure). The disassembly part 808 is detachably fixedly connected to the base 807 and enclosed with the base 807 to form a universal hole 809. The universal head 806 is rotatably connected to the base arm 802 at the universal hole 809. Specifically, the driving member is a spring.

[0061] Example 2: Figures 17 to 18As shown, the difference from Example 1 is that the driving assembly 4 includes a double torsion spring 408, which has an inner torsion portion 409, an outer torsion portion 410 and a connecting spring portion 411. The inner torsion portion 409 is rotatably connected to the surface tube 109 and has a free end that abuts against the surface tube 109, the outer torsion portion 410 is rotatably connected to the support leg 3 and has a free end that abuts against the support leg 3, and the connecting spring portion 411 connects the inner torsion portion 409 and the outer torsion portion 410, and the support leg 3 is driven by the double torsion spring 408 to flip outward and switch to the unfolded state. The above arrangement configures the driving assembly 4 as a double torsion spring 408, so that the support leg 3 can be driven by the double torsion spring 408 to flip outward and switch to the unfolded state, and the structure is simple and easy to implement.

[0062] In Embodiment 2 of the present invention, the face tube 109 is provided with an inner limiting hole (not shown in the figure) for the free end of the inner torsion portion 409 to be inserted, and the support leg 3 is provided with an outer limiting groove (not shown in the figure) for the free end of the outer torsion portion 410 to be inserted. The above arrangement makes the double torsion spring 408 stable in assembly and has good driving force by configuring the inner limiting hole for the free end of the inner torsion portion 409 to be inserted on the face tube 109 and configuring the outer limiting groove for the free end of the outer torsion portion 410 to be inserted on the support leg 3.

[0063] As described above, one or more implementation methods are provided in combination with specific contents, and the specific implementation of the present invention is not limited to these descriptions. Any similarity or similarity with the method, structure, etc. of the present invention, or any technical deduction or replacement based on the concept of the present invention shall be regarded as the protection of the present invention.

Claims

1. An elastic locking telescopic rod, comprising a plurality of pipes connected in sequence, wherein one of the two adjacent pipes is defined as an outer pipe and the other is defined as an inner pipe, and the rear end of the inner pipe is inserted into the outer pipe and can move forward and backward along the outer pipe, characterized in that: It also includes a retaining spring and a plurality of anti-slip parts. The plurality of anti-slip parts are arranged at the rear end of the inner tube and are arranged in sequence on the circumference of the inner tube to form an assembly cavity for accommodating the retaining spring. The retaining spring has two ends spaced apart on the circumference of the tube. The retaining spring extends from one end to the other end along the wall of the assembly cavity. The plurality of anti-slip parts are driven by the retaining spring to move outward to lock the inner tube on the outer tube, and the end protrudes inward on the side away from the wall of the assembly cavity.

2. The elastic locking telescopic rod according to claim 1, characterized in that: The value range of the angle β formed by the line connecting the two ends and the center of the clamp spring is: 75° to 85°; And / or the number of the anti-slip members is two, the two anti-slip members are arranged at intervals to form a gap when the clamping spring locks the outer tube on the inner tube, and the two end portions are arranged on opposite sides of the gap; And / or the clamping spring is made of metal or plastic.

3. The elastic locking telescopic rod according to claim 1, characterized in that: The rear end of the inner tube is spaced apart from the inner wall of the outer tube to form a non-slip space. The non-slip member has an axial extension portion, which is accommodated in the non-slip space and partially extends from the rear end of the inner tube to the non-slip space to enclose the assembly cavity.

4. The elastic locking telescopic rod according to claim 3, characterized in that: The anti-slip part also has a radial extension portion, which extends from the axial extension portion toward the assembly cavity. There are two radial extension portions, and the two radial extension portions are spaced apart in the axial direction of the pipe to form a positioning hole for inserting the retaining ring.

5. The elastic locking telescopic rod according to claim 3, characterized in that: A guide groove for slidingly cooperating with the outer tube is provided on the outer side of the shaft extension portion, and an inserting portion for plugging and cooperating with the inner tube is provided on the inner side of the shaft extension portion. A reinforcing rib is provided on the side of the inserting portion facing away from the guide groove. The inserting portion is symmetrically arranged with respect to the guide groove, and the reinforcing rib is directly opposite to the guide groove.

6. The elastic locking telescopic rod according to claim 3, characterized in that: The portion of the shaft extension extending out of the anti-slip space accounts for 1 / 4 to 1 / 3 of the shaft extension; and / or a plurality of anti-slip protrusions are arranged on the outer side of the shaft extension.

7. A photography selfie stick, comprising a telescopic stick, a sliding sleeve and a plurality of legs, characterized in that: The telescopic rod is an elastic locking telescopic rod as described in any one of claims 1 to 6, and among the several pipe fittings, the outermost pipe fitting is defined as a surface tube, and the innermost pipe fitting is defined as a core tube. The sliding sleeve is inserted into the surface tube and can slide along the surface tube. The several supporting legs are distributed at intervals in the circumferential direction of the sliding sleeve and are rotatably connected to the sliding sleeve. The supporting legs can rotate around the connection between the sliding sleeve and the sleeve to switch between an expanded state and a retracted state. A driving assembly and a locking structure are provided on the surface tube and the supporting legs. The driving assembly is used to make the supporting legs expand outward and switch to an expanded state, and the locking structure is used to lock the supporting legs in a retracted state.

8. The photography selfie stick according to claim 7, characterized in that: The driving assembly includes a support rod, an inner torsion spring and an outer torsion spring. The support rod is rotatably connected to the surface tube and the support leg respectively. The inner torsion spring is arranged at one end of the support rod connected to the surface tube and has two free ends respectively abutting against the surface tube and the support rod. The outer torsion spring is arranged at one end of the support rod connected to the support leg and has two free ends respectively abutting against the support leg and the support rod. The support rod is driven by the inner torsion spring and the outer torsion spring to flip outward and drive the support leg to switch to the unfolded state.

9. The photography selfie stick according to claim 8, characterized in that: The support rod has an inner shaft portion and an outer shaft portion, the surface tube is rotatably connected to the support rod at the inner shaft portion, the support leg is rotatably connected to the support rod at the outer shaft portion, the inner torsion spring is rotatably connected to the support rod at the inner shaft portion, and the outer torsion spring is rotatably connected to the support rod at the outer shaft portion; The support rod has an outer fixed groove for the free end of the outer torsion spring to be placed in; and / or the support rod has an inner fixed groove for the free end of the inner torsion spring to be placed in; and / or the surface tube has a limiting hole for the free end of the inner torsion spring to be inserted in.

10. The selfie stick for photography according to claim 7, characterized in that: The driving assembly includes a double torsion spring, the double torsion spring has an inner torsion portion, an outer torsion portion and a connecting spring portion, the inner torsion portion is rotatably connected to the surface tube and has a free end that abuts against the surface tube, the outer torsion portion is rotatably connected to the support leg and has a free end that abuts against the support leg, the connecting spring portion connects the inner torsion portion and the outer torsion portion, and the support leg is driven by the double torsion spring to flip outward and switch to an unfolded state; The surface tube is provided with an inner limiting hole for the free end of the inner twisting part to be inserted, and the supporting foot is provided with an outer limiting groove for the free end of the outer twisting part to be placed.

11. The selfie stick for photography according to claim 7, characterized in that: The locking structure includes a locking seat provided on the surface tube and a clamping hole provided on the support leg, the locking seat can move up and down relative to the surface tube and has a buckle, the buckle is engaged with the clamping hole when the support leg is folded and attached to the surface tube to lock the support leg in a folded state, and the buckle moves away from the clamping hole to release the support leg when the locking seat moves upward; The noodle tube is provided with an elastic member for driving the locking seat to move downward so that the buckle clamps the clamping hole. The noodle tube is provided with a connecting rod. The locking seat is slidably connected to the noodle tube through the connecting rod. The elastic member is passed through the connecting rod and elastically resists the noodle tube and the locking seat respectively.

12. The selfie stick for photography according to claim 7, characterized in that: The core tube is rotatably connected with a clamping seat, the clamping seat comprises a rocker arm, a base arm and a telescopic arm, one end of the rocker arm is rotatably connected to the core tube and the other end is rotatably connected to the base arm, the telescopic arm is slidably connected to the base arm and cooperates with the base arm for clamping; The base arm has a guide hole, the telescopic arm has a guide bar that slidably cooperates with the guide hole, and a driving member that drives the guide bar to move into the guide hole is provided between the guide bar and the base arm; The rocker arm has a universal head, which is spherical. The base arm has a base and a disassembly part. The base has the guide hole. The disassembly part is detachably fixedly connected to the base and encloses the base to form a universal hole. The universal head is rotatably connected to the base arm at the universal hole.

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