TWM607862U - Telescopic rod with locking unit - Google Patents

Abstract

A telescopic rod with a locking unit includes an upper tube, a first lower tube, a second lower tube unit, a linkage rope and a locking unit. The upper tube has a pressing part, the first lower tube can be sleeved with the upper tube and can be positioned relative to the upper tube, the first lower tube has an upper end and a lower end, the interlocking rope passes through Inside the upper tube, the first lower tube, and the second lower tube unit, there is a locking section, and the locking unit includes a positioning member located in the locking section, and a tripping member. The second lower tube When the tube unit and the first down tube and the upper tube are connected in series, the linkage rope stretches linearly, the positioning member is positioned at the upper end, and the tripping member can be linked to the tripping member when pressed by the pressing portion The detent part of the member depresses the detent part, the positioning part is retracted between the upper end and the lower end, and the second down tube unit is separated from the first down tube.

Description

Telescopic rod with locking unit

The invention relates to a telescopic rod, in particular to a telescopic rod with a locking unit.

There is a collapsible multi-section telescopic rod (the prior art described in Taiwan Patent No. M596544), which includes a hollow upper tube and a first lower tube slidably inserted into the upper tube , Most of the second down tube connected in series, a linkage rope, and a card pin unit. The upper tube is sheathed with a grip, the first lower tube is provided with a perforation near the top end, and each of the second lower tubes has a joint fixed at the top.

The interlocking rope passes through the upper tube, the first lower tube, and the second lower tubes, and has a first end fixed to the top of the upper tube, and a second end opposite to the first end , The second end is fixed to the joint of the second lower tube furthest away from the upper tube. The locking pin unit has a positioning seat fixed on the top of the first down tube, an elastic piece connected to the positioning seat, and a locking pin fixed on the end of the elastic piece.

When the upper tube, the first down tube, and the second down tubes are sleeved into an expanded state, the joint of the second down tube adjacent to the first down tube can be inserted into the first down tube , The joint of the second lower tube farthest from the upper tube is inserted inside the adjacent second lower tube, the interlocking rope is in a straight state and has a relatively large tension, the locking pin of the locking pin unit It can be extended in the perforation, and the telescopic rod is in a use state with the maximum length.

When the user presses the latch, the tension of the interlocking rope is released, which will cause the latch and the perforation to be staggered. At this time, the operator can retract the first lower tube toward the inside of the upper tube because the interlocking rope Has been slack, so the second down tubes can be detached from the first down tube, the second down tubes can also be separated from each other, the first down tube can be retracted relative to the inside of the upper tube, and the The second lower tube may be parallel to the upper tube, and the telescopic rod is folded into a smaller length.

When the first down tube is pulled out relative to the upper tube, the second down tubes and the first down tube can be connected in series into a straight rod shape until the bayonet of the bayonet pin unit extends In the perforation, the telescopic rod is restored to the use state with the maximum length.

Although the above telescopic rod can achieve the purpose of folding, when the user presses the latch and the first down tube is retracted toward the inside of the upper tube, the operator's fingers may be affected by the first down tube and the upper tube. It is dangerous to operate because of pinching at the socket.

Therefore, the purpose of the present invention is to provide a telescopic rod with a locking unit that can solve the existing shortcomings.

Therefore, the telescopic rod with locking unit of the present invention includes an upper tube, a first lower tube, a second lower tube unit, a linkage rope and a locking unit. The upper tube extends along an axis and has a pressing portion. The first lower tube is slidably sleeved with the upper tube along the axis and can be positioned relative to the upper tube. The first lower tube has a The upper end portion, and a lower end portion opposite to the upper end portion along the axis, the second down tube unit is disposed on one side of the first down tube, and has a socket or detachable relative to the first down tube The connecting end, and a bottom end opposite to the connecting end, the interlocking rope passes through the upper tube, the first lower tube and the second lower tube unit, and has a first end fixed to the upper tube, A second end that is opposite to the first end and can be positioned relative to the bottom end, and a locking section provided between the first end and the second end, the locking unit includes a locking unit that is located A positioning member that can be elastically deformed in a radial direction, and a release member. The positioning member has a catch portion, the release member has a detent portion opposite to the catch portion, and the second down tube The unit is connected in series with the first down tube and the upper tube along the axis, the linkage rope stretches linearly, the positioning member is positioned at the upper end, and the tripping member can be pressed by the pressing part of the upper tube. The detent part linked to the release part depresses the detent part, the positioning part is elastically deformed in the radial direction, the positioning part shrinks and moves between the upper end and the lower end, the second down tube unit and the The first down tube is separated.

The telescopic rod with locking unit of the present invention includes an upper tube, a first lower tube, a second lower tube unit, a linkage rope and a locking unit. The upper tube extends along an axis and has a pressing portion. The first lower tube is slidably sleeved with the upper tube along the axis and can be positioned relative to the upper tube. The first lower tube has a The upper end portion, and a lower end portion opposite to the upper end portion along the axis, the second down tube unit is disposed on one side of the first down tube, and has a socket or detachable relative to the first down tube The connecting end, and a bottom end opposite to the connecting end, the interlocking rope passes through the upper tube, the first lower tube and the second lower tube unit, and has a first end fixed to the upper tube, A second end opposite to the first end and capable of being positioned relative to the bottom end, and a clamping section provided between the first end and the second end, the locking unit includes a certain portion located at the upper end And a positioning member that can be elastically deformed in the radial direction, and a tripping member. The positioning member has a columnar bottom rod section located at the upper end, and a receiving member connected to one side of the bottom rod section along the axis. The detent section, and most of the telescopic grooves extending from the detent section toward the bottom rod section, an elastic clamping plate is formed between each two telescopic grooves, and the detent section has a hole-shaped detent part, the release The member has a conical detent part opposite to the detent part, the second down tube unit is connected in series with the first down tube and the top tube along the axis, and the linkage rope stretches linearly, The locking section is positioned on the positioning member, and when the tripping member is pressed by the pressing portion of the upper tube, the detent portion of the tripping member can be linked to press the detent section to produce elastic deformation, which can make the clamping section shrink Moving between the upper end and the lower end, the second down tube unit is separated from the first down tube.

The effect of the present invention is that by the cooperation of the positioning member of the locking unit and the release member, when the first lower tube is retracted relative to the upper tube, the release member is pressed by the pressing part of the upper tube to move the The detent part presses the detent part to release the lock, and the positioning member is retracted between the upper end and the upper end, so that the second down tube unit can be separated from the first down tube and reach Folding purpose.

1 to 3, a first embodiment of a telescopic rod with a locking unit of the present invention includes an upper tube 10, a handle 20, a first lower tube 30, a second lower tube unit 40, and an elastic force The unit 50, an interlocking rope 60, and a locking unit 70.

The upper tube 10 extends along an axis L and has a hollow tubular shape, and has a top end 11, a bottom end 12 opposite to the top end 11 along the axis L, and a bottom end 12 extending from the bottom end 12 to the top end. The upper hole 13 of the portion 11, a fixing seat 14 fixed to the top end portion 11, and a quick release fastener 15 adjacent to the bottom end portion 12. By operating the quick release fastener 15, the bottom end 12 can be constricted inward or released outward.

The handle 20 is fixed to the upper tube 10, and the top end portion 11 is enclosed inside.

The first lower tube 30 is slidably sleeved with the upper tube 10 and penetrates inside the upper tube 10, and can be positioned relative to the upper tube 10. The first down tube 30 has an upper end 31 and a lower end 32 opposite to the upper end 31 along the axis L.

The second down tube unit 40 is disposed on one side of the first down tube 30 and has two second down tubes 41, 41'. One of the second down tubes 41 adjacent to the first upper tube 30 has a With respect to the first down tube 30, a socketed or detached connecting end 411, a socketed end 412 opposite to the connecting end 411, and a first joint 413 installed on the connecting end 411 are far away from the first connecting end 411. The other second lower tube 41 ′ of the upper tube 30 has a joint end 411 ′ corresponding to the socket end 412, a bottom end 412 ′ opposite to the joint end 411 ′, and a bottom end 412 ′ installed on the joint end 411 ′ The second joint 413'.

The elastic unit 50 is installed inside the second down tube 41' of the second down tube unit 40, and has a compression spring 51 that springs against the second joint 413', and a slide that abuts against the compression spring 51 Block 52, the compression spring 51 is disposed between the second joint 413' and the slider 52.

The interlocking rope 60 passes through the upper tube 10, the first lower tube 30, and the second lower tube unit 40, and has a first end 61 fixed to the fixing seat 14 of the upper tube 10, and a first end 61 opposite to the upper tube 10 The first end 61 is connected to the second end 62 of the slider 52 of the elastic unit 50, and a clamping section 63 is provided between the first end 61 and the second end 62, the clamping section 63 There are two nodes 631.

The locking unit 70 includes a positioning member 71 that is definitely located in the clamping section 63 and an unlocking member 72.

The positioning member 71 has a columnar bottom rod section 711, a detent section 712 connected to one side of the bottom rod section 711 along the axis L, and a detent section 712 between the bottom rod section 711 and the detent section 712 The shoulder 713, an enlarged diameter section 714 opposite to the shoulder 713 and arranged on the side of the detent section 712, and a neck section 715 connected between the enlarged diameter section 714 and the detent section 712 , And most of the telescopic grooves 716 extending from the enlarged diameter section 714 to the bottom rod section 711, the detent section 712 has a conical detent 717. In addition, an elastic clamping plate 718 is formed between every two telescopic grooves 716. The bottom rod section 711 has a lower perforation 719 for the interlocking rope 60 to pass through. The nodes 631 of the clamping section 63 are respectively limited to two ends of the lower perforation 719, so that the clamping section 63 is connected to the bottom Rod section 711.

The tripping member 72 has a hollow ring 721 set on the outside of the detent section 712, a top plate 722 that is spaced apart from the ring 721 along the axis L, and most of them surround the axis L The connecting ribs 723 arranged at intervals and connected between the ring 721 and the top plate 722 form a through groove 724 for the corresponding elastic card 718 to pass through between every two connecting ribs 723. The ring 721 has a detent portion 725 disposed on the inner ring surface and opposite to the detent portion 717. The detent portion 725 is in the shape of a conical surface. The ring 721 is slidably sleeved on the enlarged diameter section 714 And the shoulder 713. The top plate 722 has an upper perforation 726 for the interlocking rope 60 to pass through.

In order to further understand the effects of the cooperation of the various elements of the present invention, the technical means used, and the expected effects, the following will be explained again, and it is believed that this will provide a more in-depth and specific understanding of the present invention.

As shown in FIGS. 1 and 3, it is shown that the assembly of the telescopic rod is completed and in a state of use, and the upper tube 10, the first down tube 30, and the second down tube unit 40 are sleeved and formed along the axis L. One unfolded state. At this time, the quick release fastener 15 is used to tighten the sleeve joint of the upper tube 10 and the first lower tube 30, so that the first lower tube 30 and the upper tube 10 are positioned along the axis L, and the The first joint 413 extends into the lower socket end 32 of the first down tube 30, the second joint 413' extends into the socket end 412 of one of the second down tubes 41, and uses the elastic unit The elastic force of the compression spring 51 of 50 makes the interlocking rope 60 be linear and have a relatively large tension state. There is a maximum length between the top end of the grip 20 and the bottom end 412' of the second lower tube 41'.

As shown in FIG. 3, when the telescopic rod is in use, the tension of the interlocking rope 60 is utilized, and the locking section 63 is connected to the bottom rod section 711, and the shoulder 713 is locked and positioned at the first With the function of the upper end 31 of the down tube 30, the locking unit 70 is positioned at the upper end 31 of the first down tube 30. At this time, the detent part 725 is located between the neck section 715 and the elastic clamping plates 718. The expansion groove 716 has the largest width. The locking unit 70 is in a locked state, that is, through the locking unit 70 being positioned at the upper end 31, the first down tube 30 and the second down tube unit 40 can be kept in sleeves, and the telescopic rod can be deployed for use . At this time, by operating the quick release fastener 15, the extension length of the first lower tube 30 relative to the upper tube 10 can be adjusted, and the overall use length of the telescopic rod can be adjusted. The quick release fastener 15 is tightened in operation.

When the user wants to fold the telescopic rod, as shown in Figures 4 and 5, and in conjunction with Figure 1, the operator first operates the quick release fastener 15 and makes the first lower tube 30 relative to the upper tube 10 retracts inside. At this time, the tension of the interlocking rope 60 originally between the clamping section 63 and the first end 61 is released and becomes slack. When the fixing seat 14 is pressed on the top plate 722 and the ring 721 is moved downward, the catch portion 712 is constrained and guided by the catch portion 725, and the elastic clamping plates 718 are biased toward the axis L The elastic force is moved and contains the releasing elastic force, and the width of the telescopic grooves 716 is reduced until the shoulder portion 713 is separated from the upper end portion 31. At this time, the elastic force of the compression spring 51 of the elastic unit 50 is used, and the operation By pulling the second down tube unit 40, the positioning member 71 and the release member 72 are retracted and moved between the upper end 31 and the lower end 32 of the first down tube 30, and the operator can pull one of the second down The tube 41 is detached from the first down tube 30, and the second down tube 41' and the second down tube 41 are detached from each other, so that the upper tube 10 (the first down tube 30), the The second down tubes 41, 41' are folded into a parallel and juxtaposed shape, and the telescopic rod is in a folded state (see FIG. 5).

When the telescopic rod is to be operated from the collapsed state to the expanded state, the operator only needs to pull the first lower tube 30 out of the upper tube 20 until the shoulder 713 of the positioning member 71 is locked. At the upper end portion 31, it can be restored to the locked state of FIGS. 1 and 3, and the interlocking rope 60 has a state of greater tension to ensure the stability of the expanded state of the telescopic rod.

Therefore, the telescopic rod with a locking unit of the present invention, the shoulder 713 of the locking unit 70 can be locked to the upper end 31 or the shoulder 713 can be disengaged from the upper end 31 to make the telescopic rod It is operated from the unfolded state to the folded state, and the telescopic rod can achieve the purpose of small folded volume when not in use.

6 to 8, a second embodiment of the telescopic rod with a locking unit of the present invention differs from the first embodiment in that: the first down tube 30' includes a tube body 33', and a tube body 33' fixed to the The liner member 34' of the pipe body 33' has an inner wall surface 342' defining a stepped inner hole 341', and an outer wall surface 340' opposite to the inner wall surface 342'. The inner wall surface 342' has a wide-diameter section 343', a narrow-diameter section 344' arranged on one side of the wide-diameter section 343' along the axis L, and a connection between the wide-diameter section 343' and the narrow-diameter section 344' The upper end 345' between the two and the two guide grooves 346' connected to the outside by the wide-diameter section 343'.

The locking unit 70' also includes a positioning member 71' and a tripping member 72'. The positioning member 71' has a columnar bottom rod section 711′, a detent section 712′ connected to one side of the bottom rod section 711′ along the axis L, and a handle between the bottom rod section 711′ and the bottom rod section 711′. The shoulder 713' between the detent sections 712', and most of the telescopic grooves 716' extending from the detent section 712' toward the bottom rod section 711', the detent section 712' has a conical surface Control 717'. An elastic clamping plate 718' is formed between every two telescopic grooves 716'. The release member 72' is hollow and has an inner peripheral surface 721', an outer peripheral surface 722' opposite to the inner peripheral surface 721', and a conical surface disposed at the bottom of the inner peripheral surface 721' The detent portion 725', and a pair of guide posts 723' protruding from the outer peripheral surface 722', the guide posts 723' slidably pass through the guide grooves 346' and each have a bottom Guide slope 724'.

As shown in FIG. 9, when the user wants to fold the telescopic rod and retract the first lower tube 30' relative to the inside of the upper tube 10, the fixing seat 14 is pressed against the tripping member 72' and causes When the release member 72' moves downward, the catch portion 712' is constrained and guided by the detent portion 725', the elastic clamping plates 718' are biased toward the axis L and contain the releasing elastic force, and The width of the telescopic grooves 716' is reduced until the shoulder 713' is separated from the upper end 31'. At this time, the elastic force of the compression spring 51 of the elastic unit 50 is used, and the operator pulls the second In the down tube unit 40, the positioning member 71' and the tripping member 72' are retracted between the upper end 31' and the lower end 32' of the first down tube 30', so that the telescopic rod can be retracted合 state. And as shown in Figure 10, the telescopic rod can also achieve the purpose of small folding volume when not in use.

Therefore, the second embodiment of the present invention can also achieve the same purpose and effect as the first embodiment.

Referring to Figures 11 to 13, a third embodiment of the telescopic rod with a locking unit of the present invention differs from the first embodiment in that the interlocking rope 60" and the locking unit 70" are locked by the interlocking rope 60". The manufacturing section 63" has a cone portion 631" and a positioning plate 632" connected to the cone portion 631".

The locking unit 70" includes a positioning member 71" that is definitely located at the upper end 31" of the first down tube 30" and can be elastically deformed in the radial direction, an unfastening member 72", and an elastic ring 73". The positioning member 71" has a columnar bottom rod section 711" located at the upper end 31", a detent section 712" connected to one side of the bottom rod section 711" along the axis L, and a detent section 712" at the bottom rod section 711". The buckle portion 713" on the side of the portion 712" and in the shape of a conical hole, a shoulder surface 714" between the catch portion 712" and the buckle portion, and a limit position corresponding to the sales button 712" The ring groove 715", and most of the telescopic grooves 716" extending from the detent section 712" toward the bottom rod section 711", an elastic clamping plate 718" is formed between every two telescopic grooves 716", and the detent section 712 "It has a hole-shaped catch 719".

The release member 72" has a conical detent portion 721" opposite to the detent portion, and a majority of hooks connected to the detent portion 721" and extended in the corresponding telescopic groove 716" 722".

The elastic ring 73" is set in the limit ring groove 715", and is sheathed outside the elastic clamping plates 718" and the hooks 722". The elasticity of the elastic ring 73" is constant so that the The elastic pallets 718" maintain a tendency to lean against each other.

As shown in Figures 12 and 13, when the telescopic rod is unfolded for use, and the interlocking rope 60" is stretched linearly, the clamping section 63" is positioned on the positioning member 71", that is, the clamping section 63 "The conical part 631" is sleeved in the buckle part 713" in the shape of a conical hole. The positioning plate 632" abuts against the shoulder 714" and uses the elastic action of the elastic ring 73" to make the elastic The clamping plates 718" keep close to each other, so that the cone portion 631" can be stably sleeved in the buckle portion 713".

As shown in FIG. 14, when the user wants to fold the telescopic rod and press the release member 72" by the pressing part (not shown in FIG. 14) of the upper tube, the release member 72" is in a conical shape. The detent portion 721" of the sieve is forced into the hole-shaped detent portion 719", and the detent section 712" is elastically deformed (at this time, the elastic bezel 73" is blocked by the elastic clamping plates 718" The elastic clamping plates 718" are separated from each other, and the buckle portion 713" is also deformed into an enlarged diameter shape, so that the clamping section 63" of the interlocking rope 60" can be contracted. Move it between the upper end portion 31" and the lower end portion 32" to make the telescopic rod in a folded state, and the telescopic rod can also achieve the purpose of a small folded volume when not in use.

In summary, the telescopic rod with the locking unit of the present invention has a simple overall structure and easy operation, which can indeed achieve the purpose of a new type of cost.

However, the above are only examples of the present model. When the scope of implementation of the present model cannot be limited by this, all simple equivalent changes and modifications made in accordance with the patent scope of the present model application and the contents of the patent specification still belong to This new patent covers the scope.

10: Upper tube L: axis 11: Top part 12: bottom end 13: upper hole 14: fixed seat 15: Quick release buckle 20: Grip 30: The first down tube 31: Upper end 32: lower end 40: The second down tube unit 41: second down tube 411: connection end 412: Socket 413: first joint 41’: Second down tube 411’: Connecting end 412’: Bottom 413’: Second connector 50: Elastic unit 51: Compression spring 52: Slider 60: Interlocking rope 61: first end 62: second end 63: card system segment 631: Node 70: Locking unit 71: Positioning piece 711: Bottom Rod Section 712: Suppress 713: shoulder 714: Expansion Section 715: neck 716: telescopic slot 717: Receiving Department 718: Flexible Cardboard 719: Under Piercing 72: Unfastener 721: ring 722: top plate 723: connection rib 724: piercing 725: Control Department 726: upper piercing 30’: The first down tube 33’: Tube body 34’: Liner fittings 341’: inner hole 342’: inner wall 343’: wide section 344’: Narrow section 345’: Upper end 346’: Guide groove 70’: Locking unit 71’: Positioning piece 711’: Bottom bar section 712’: Receiving section 713’: Shoulder block 716’: Telescopic slot 717’: Control Department 718’: Flexible Cardboard 72’: Unfastener 721’: inner peripheral surface 722’: Outer peripheral surface 723’: Guide post 724’: Guide slope 725’: Control Department 30": The first down tube 31": upper end 32": lower end 60": Link rope 63": card system section 631": Cone 632": positioning plate 70": Locking unit 71": Positioning piece 711": bottom bar section 712": Controlled section 713": buckle part 714": Shoulder 715": Limit ring groove 716": telescopic slot 718": Flexible card board 719": Control Department 72": Unfastening part 72": Unfastening part 721": Control Department 722": card hook 73": elastic ring

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, among which: Figure 1 is a combined cross-sectional view of a first embodiment of a telescopic rod with a locking unit of the present invention; Figure 2 is an incomplete exploded perspective view of the first embodiment; Fig. 3 is a partial enlarged schematic view of Fig. 1; Figure 4 is a schematic diagram of unlocking the first embodiment; Figure 5 is a schematic view of the first embodiment when folded; Figure 6 is a combined cross-sectional view of a second embodiment of the telescopic rod with a locking unit of the present invention; Figure 7 is an incomplete three-dimensional exploded view of the second embodiment; Fig. 8 is a partial enlarged schematic view of Fig. 6; Figure 9 is a schematic diagram of unlocking the second embodiment; FIG. 10 is a schematic view of the folding of the second embodiment; 11 is an incomplete three-dimensional exploded view of a third embodiment of a telescopic rod with a locking unit of the present invention; Figure 12 is an incomplete combined cross-sectional view of the third embodiment; Figure 13 is a cross-sectional view taken along the line XIII-XIII in Figure 12; and Fig. 14 is a schematic diagram of unlocking of Fig. 12.

10: Upper tube

L: axis

11: Top part

12: bottom end

13: upper hole

14: fixed seat

15: Quick release buckle

20: Grip

30: The first down tube

31: Upper end

32: lower end

40: The second down tube unit

41: second down tube

411: connection end

412: Socket

413: first joint

41’: Second down tube

411’: Connecting end

412’: Bottom

413’: Second connector

50: Elastic unit

51: Compression spring

52: Slider

60: Interlocking rope

61: first end

62: second end

63: card system segment

70: Locking unit

Claims (10)

A telescopic pole with a locking unit, including: An upper tube extends along an axis and has a pressing part; A first down tube is slidably connected to the upper tube along the axis and can be positioned relative to the upper tube. The first down tube has an upper end and an upper end opposite to the upper end along the axis The lower end of A second down tube unit, arranged on one side of the first down tube, and having a connecting end that can be sleeved or detached relative to the first down tube, and a bottom end opposite to the connecting end; An interlocking rope passes through the upper tube, the first lower tube and the second lower tube unit, and has a first end fixed to the upper tube, a first end opposite to the first end and relative to the A second end for positioning is generated at the bottom end, and a clamping section provided between the first end and the second end; and A locking unit includes a positioning member that is definitely located in the clamping section and can be elastically deformed in the radial direction, and a tripping member. The positioning member has a catch part, and the tripping part has a catch part opposite to the catch part. The second lower tube unit is connected in series with the first lower tube and the upper tube along the axis, the linkage rope stretches linearly, the positioning member is positioned at the upper end, the release member When pressed by the pressing part of the upper tube, the detent part of the release member can be linked to press the depress part, the positioning part is elastically deformed in the radial direction, and the positioning part shrinks and moves to between the upper end and the lower end In between, the second down tube unit is separated from the first down tube. The telescopic rod with a locking unit according to claim 1, wherein the positioning member of the locking unit has a columnar bottom rod section, a detent section connected to one side of the bottom rod section along the axis, and an intermediary The shoulder part between the bottom rod section and the detent section, and most of the telescopic grooves extending from the detent section toward the bottom rod section, the detent part is arranged on the detent section and is in the shape of a conical surface, The unfastening member also has a ring ring set on the outside of the detent section, and the detent portion is disposed on the inner ring surface of the ring ring and has a conical surface shape. The telescopic rod having a locking unit according to claim 2, wherein the positioning member of the locking unit further has an enlarged diameter section opposite to the shoulder portion, and a connecting section between the enlarged diameter section and the detent section The telescopic grooves extend from the enlarged diameter section to the bottom rod section. The tripping member also has a top plate, and most of them are arranged at intervals around the axis and connected to the ring and the top plate. Between the connecting ribs, the ring is slidably sleeved between the enlarged diameter section and the shoulder. According to claim 3, the telescopic rod with a locking unit, wherein an elastic card is formed between every two telescopic grooves of the locking unit, and a corresponding connecting rib is formed between every two connecting ribs of the release member. The flexible card board is equipped with a slot. The telescopic rod with a locking unit according to claim 1, wherein the positioning member of the locking unit has a columnar bottom rod section, a detent section connected to one side of the bottom rod section along the axis, and an intermediary The shoulder part between the bottom rod section and the detent section, and most of the telescopic grooves extending from the detent section toward the bottom rod section, the detent part is arranged on the detent section and is in the shape of a conical surface, The release member is in a hollow tube shape and also has an inner peripheral surface, and the detent part is arranged at the bottom of the inner peripheral surface and has a conical surface shape. The telescopic rod with a locking unit according to claim 5, wherein the first down tube includes a tube body, and a liner member fixed to the tube body, and the liner member has an inner section defining a step-like shape. On the inner wall surface of the hole, the inner wall has a wide diameter section and a narrow diameter section arranged on one side of the wide diameter section along the axis, and the upper end part is connected between the wide diameter section and the narrow diameter section. The telescopic rod with a locking unit according to claim 6, wherein the liner member of the first down tube further has two guide grooves connected to the outside from the wide-diameter section, and the tripping member also has an opposite to the inner The outer peripheral surface of the peripheral surface, a pair of guide posts protruding from the outer peripheral surface, the guide posts slidably pass through the guide grooves and each has a guide inclined surface provided at the bottom. A telescopic pole with a locking unit, including: An upper tube extends along an axis and has a pressing part; A first down tube is slidably connected to the upper tube along the axis and can be positioned relative to the upper tube. The first down tube has an upper end and an upper end opposite to the upper end along the axis The lower end of A second down tube unit, arranged on one side of the first down tube, and having a connecting end that can be sleeved or detached relative to the first down tube, and a bottom end opposite to the connecting end; An interlocking rope passes through the upper tube, the first lower tube and the second lower tube unit, and has a first end fixed to the upper tube, a first end opposite to the first end and relative to the A second end for positioning is generated at the bottom end, and a clamping section provided between the first end and the second end; and A locking unit includes a positioning member that is located at the upper end and can be elastically deformed in the radial direction, and an unfastening member. The positioning member has a columnar bottom rod section located at the upper end, and a bottom rod section along the axis. The detent section connected to one side of the bottom rod section, and most of the telescopic grooves extending from the detent section toward the bottom rod section, an elastic clamping plate is formed between every two telescopic grooves, and the detent section has a shape A hole-shaped catch part, the release member has a conical catch part opposite to the catch part, and the second down tube unit is connected in series with the first down tube and the top tube along the axis , The interlocking rope stretches in a straight line, the locking section is positioned on the positioning member, and when the tripping member is pressed by the pressing portion of the upper tube, it can be linked to the detent section of the tripping member to press the depressed section to produce The elastic deformation can cause the clamping section to shrink and move between the upper end and the lower end, and the second down tube unit is separated from the first down tube. The telescopic rod with a locking unit according to claim 8, wherein the positioning member of the locking unit further has a buckle part located on one side of the catch part and in the shape of a conical hole, and a buckle part between the catch part and On the shoulder surface between the buckling parts, the locking section of the interlocking rope has a conical part and a positioning plate connected to the conical part. The second down tube unit is connected to the first down tube and the first down tube along the axis. The upper tubes are connected in series, and when the interlocking rope is stretched linearly, the positioning disc of the clamping section abuts on the shoulder, and the conical part is sleeved on the buckle part. The telescopic rod having a locking unit according to claim 9, wherein the unlocking member of the locking unit further has a plurality of hooks connected to the detent portion and extending in the corresponding telescopic groove, and the locking unit is also It includes an elastic band sleeved on the outside of the elastic clamping plates and the hooks. The elasticity of the elastic clamping ring keeps the elastic clamping plates in a tendency to abut each other, and enables the second down tube unit to stay close to each other. The axis and the first lower tube and the upper tube are connected in series with each other, and when the interlocking rope is stretched linearly, the clamping section can be positioned on the positioning member.

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