CN212928432U

CN212928432U - Telescopic rod structure

Info

Publication number: CN212928432U
Application number: CN202021814538.3U
Authority: CN
Inventors: 曾晋晋
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-04-09
Anticipated expiration: 2030-08-26

Abstract

A telescopic rod structure comprises an inner tube, wherein one end of the inner tube is inserted and sleeved in an outer tube, a rotary locking assembly is arranged between the inner tube and the outer tube and comprises an inner tube first joint arranged at one end of the inner tube, one end of a locking screw rod is inserted into the inner tube first joint and is in threaded connection with the inner tube first joint, the other end of the locking screw rod is inserted into one end of the outer tube, more than two tensioning blocks are in compression joint between the outer wall of the locking screw rod and the inner wall of the outer tube, and a locking pin transversely or obliquely penetrates through the locking screw rod and is in compression joint between; and/or the device also comprises a tension spring which is pressed between the two tension blocks, the other end of the outer tube is provided with a length adjusting assembly which comprises an outer tube first joint arranged at the end part of the other end of the outer tube, one end of an adjusting screw rod is inserted into the outer tube first joint, the other end of the adjusting screw rod is connected with an auxiliary positioning plate, and an adjusting handle is sleeved in the middle of the adjusting screw rod. The utility model has the characteristics of easy operation.

Description

Telescopic rod structure

Technical Field

The utility model relates to a telescopic rod structure.

Background

Chinese patent document No. CN 210095064U discloses a novel drilling-free telescopic link in 2019, 5.6.2019, which comprises a supporting rod, a bottom plate, a telescopic link and a fixing base, wherein an inner locking piece is installed on one side of the supporting rod, one side of the inner locking piece corresponding to the supporting rod is connected with the telescopic link, the end of the telescopic link is provided with a fine adjustment nut, and the outer side of the fine adjustment nut is in threaded connection with a pressurizing connecting sleeve. The telescopic rod is not perfect in the aspects of the strength of the telescopic range, the flexibility of products, the smoothness, the tightness and the like, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an easy telescopic rod structure of operating to overcome the weak point among the prior art.

According to a telescopic link structure of this purpose design, including the inner tube of one end plug bush in the outer tube, its structural feature is be provided with rotation locking Assembly between inner tube and the outer tube, rotation locking Assembly is including setting up the inner tube first joint in inner tube one end, and locking screw's one end is inserted the inner tube first joint and is connected with the inner tube first joint threaded connection, and the one end of outer tube is inserted to locking screw's the other end, and the tight piece crimping that rises more than two is between locking screw's outer wall and the inner wall of outer tube, and the minimum external diameter of locking screw's the other end is greater than the maximum external diameter of locking screw's one end.

Furthermore, the telescopic rod structure also comprises a locking pin which transversely or obliquely penetrates through the locking screw and is pressed between the two tensioning blocks; and/or the tension device also comprises a tension spring which is pressed between the two tension blocks.

Furthermore, the outer wall of the tensioning block is provided with a positioning hole, the first auxiliary pressing head is embedded in the positioning hole, the end part of the first auxiliary pressing head is in a conical shape, and the end part of the first auxiliary pressing head is in compression joint with the inner wall of the outer pipe.

Furthermore, a guide inclined plane is arranged on one side, facing the tensioning block, of the first joint of the inner pipe.

Further, the other end of outer tube is provided with length adjustment assembly, length adjustment assembly is including setting up the outer tube first joint at the other end tip of outer tube, and adjusting screw's one end inserts the outer tube first joint, and adjusting screw's the other end meets with assistance-localization real-time board, and the middle part at adjusting screw is established to the adjustment handle cover, and the other end of outer tube and/or outer tube first joint lean on with adjusting handle and lean on together, and adjusting handle meets with adjusting screw through the adjusting nut that sets up on it.

Furthermore, the telescopic rod structure further comprises an auxiliary pipe sleeve sleeved on the adjusting screw rod, one end of the auxiliary pipe sleeve is inserted into the adjusting handle, and the other end of the auxiliary pipe sleeve is connected with the auxiliary positioning plate.

Furthermore, the mounting surface of the auxiliary positioning plate is provided with a second antiskid protrusion and more than two second antiskid pads.

Furthermore, the other end of the adjusting screw rod is provided with a second positioning protrusion, and the second positioning protrusion penetrates out of the mounting surface of the auxiliary positioning plate.

Furthermore, the other end of the inner pipe is provided with an inner pipe positioning assembly, the inner pipe positioning assembly comprises an inner pipe second connector, one end of the inner pipe second connector is inserted into the other end of the inner pipe, the other end of the inner pipe second connector is connected with the inner pipe positioning plate, a first anti-skid protrusion and more than two first anti-skid pads are arranged on the mounting surface of the inner pipe positioning plate, a first positioning protrusion is arranged at the other end of the inner pipe second connector, and the first positioning protrusion protrudes out of the mounting surface of the inner pipe positioning plate.

Furthermore, the telescopic rod structure further comprises a transition pipe sleeve, the outer wall of one end of the transition pipe sleeve is a conical inclined plane, an annular limiting step is arranged on the outer wall of the middle of the transition pipe sleeve, and the other end of the transition pipe sleeve is inserted between the inner pipe and the outer pipe.

The utility model provides a be provided with rotation locking Assembly between inner tube and the outer tube, rotation locking Assembly includes the inner tube first joint that sets up in inner tube one end, and the one end of locking screw inserts inner tube first joint and with inner tube first joint threaded connection, the other end of locking screw inserts the one end of outer tube, and the tight piece crimping that rises more than two is between the outer wall of locking screw and the inner wall of outer tube, and the minimum external diameter of the other end of locking screw is greater than the maximum external diameter of the one end of locking screw; the inner tube is rotated relative to the outer tube, so that the rotation locking assembly can be locked or unlocked, when the rotation locking assembly is unlocked, the length of the product can be adjusted, when the rotation locking assembly is locked, the adjusted length can be fixed, and the whole operation is quite simple and convenient.

The telescopic rod structure of the utility model also comprises a locking pin which transversely or obliquely runs through the locking screw and is pressed between the two tensioning blocks; and/or the device also comprises a tension spring which is pressed between the two tension blocks; the two tensioning blocks can be prevented from deviating to one side by arranging the locking pin, so that the pressing force is uniform; the pressure of the tension block, the inner wall of the outer pipe and the tension block can be increased through the tension spring, so that the friction force is increased, the locking degree between the tension block and the inner wall of the outer pipe is improved, and the safety performance of the product is improved.

The telescopic rod structure in the utility model also comprises a positioning hole arranged on the outer wall of the tensioning block, the first auxiliary pressing head is embedded in the positioning hole, the end part of the first auxiliary pressing head is tapered, and the end part of the first auxiliary pressing head is pressed on the inner wall of the outer tube; when the tight piece that rises compresses tightly on the outer tube inner wall, because the tip of first supplementary pressure head is the taper, great pressure tightly presses the tip of first supplementary pressure head on the outer tube inner wall, can make outer tube inner wall surface produce the deformation even, and then form the shallow pit, then, the tip of first supplementary pressure head just presses into in the shallow pit to the locking degree between outer tube and the inner tube has been improved.

The first joint of the inner pipe in the utility model is provided with a guide inclined plane towards one side of the tension block; when the locking is needed, the two tensioning blocks can conveniently move outwards through the arrangement of the guide inclined planes, so that the reaction capacity of the product is improved, and the flexibility of the product is improved.

The other end of the outer pipe in the utility model is provided with a length adjusting component, the length adjusting component comprises an outer pipe first joint arranged at the end part of the other end of the outer pipe, one end of an adjusting screw rod is inserted into the outer pipe first joint, the other end of the adjusting screw rod is connected with an auxiliary positioning plate, an adjusting handle is sleeved in the middle of the adjusting screw rod, the other end of the outer pipe and/or the outer pipe first joint are abutted against an adjusting handle, and the adjusting handle is connected with the adjusting screw rod through an adjusting nut arranged on the adjusting handle; through rotating adjustment handle, change adjustment handle for adjusting screw's position, can change the position that leans on the outer tube together with adjustment handle to change the length of this product, the flexible operation is swift.

The utility model also comprises an auxiliary pipe sleeve sleeved on the adjusting screw rod, wherein one end of the auxiliary pipe sleeve is inserted into the adjusting handle, and the other end of the auxiliary pipe sleeve is connected with the auxiliary positioning plate; by additionally arranging the auxiliary pipe sleeve, the adjusting screw rod can be prevented from being exposed, the overall coordination of the product is improved, and the service life of the adjusting screw rod is effectively prolonged.

The other end of the adjusting screw rod in the utility model is provided with a second positioning bulge, and the second positioning bulge penetrates out of the mounting surface of the auxiliary positioning plate; the mounting surface of the inner pipe positioning plate is provided with a first anti-skid protrusion and more than two first anti-skid pads, the other end of the second joint of the inner pipe is provided with a first positioning protrusion, and the first positioning protrusion protrudes out of the mounting surface of the inner pipe positioning plate; through setting up protruding and the first location of second location, can strengthen the stability of this product when the wall face that has inlayed the ceramic tile, the protruding and the protruding gap that can block between adjacent ceramic tile or wall brick of second location this moment to improve the stability and the security performance of this product.

The outer wall of one end of the transition pipe sleeve in the utility model is a conical inclined plane, the outer wall of the middle part of the transition pipe sleeve is provided with an annular limiting step, and the other end of the transition pipe sleeve is inserted between the inner pipe and the outer pipe; through the arrangement of the transition pipe sleeve, the curtain or the clothes rack hung on the product can be effectively prevented from being clamped at the joint of the inner pipe and the outer pipe due to collision with the outer pipe in the sliding process, so that the flexibility of the product is improved.

To sum up, the utility model has the characteristics of easy operation.

Drawings

Fig. 1 is a schematic view of a partially cut structure according to an embodiment of the present invention.

Fig. 2 is an explosion diagram of the present invention.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Fig. 4 is an enlarged schematic view of the structure at B in fig. 2.

Fig. 5 is an enlarged schematic view of the structure at C in fig. 2.

Fig. 6 is an enlarged schematic view of a structure at E in fig. 1.

In the figure: the anti-skid device comprises an inner pipe positioning component 1, a first anti-skid pad 1.1, an inner pipe positioning plate 1.2, a first positioning protrusion 1.3, an inner pipe second joint 1.4, a first anti-skid protrusion 1.5, an inner pipe 2, a transition pipe sleeve 2.1, an outer pipe 3, a rotary locking component 4, an inner pipe first joint 4.1, a guide inclined plane 4.1, a first auxiliary pressing head 4.2, a tensioning block 4.3, a positioning hole 4.3.1, a tensioning spring 4.4, a locking screw 4.5, a locking pin 4.6, a length adjusting component 5, an outer pipe first joint 5.1, an adjusting nut 5.2, an adjusting handle 5.3, an adjusting screw 5.4, an auxiliary pipe sleeve 5.6, an auxiliary positioning plate 5.7, a second anti-skid pad 5.8, a second anti-skid protrusion 5.9 and a second positioning protrusion 5.9.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1 to 6, the telescopic rod structure comprises an inner tube 2 with one end inserted in an outer tube 3, and is characterized in that a rotation locking assembly 4 is arranged between the inner tube 2 and the outer tube 3, the rotation locking assembly 4 comprises an inner tube first joint 4.1 arranged at one end of the inner tube 2, one end of a locking screw rod 4.5 is inserted into the inner tube first joint 4.1 and is in threaded connection with the inner tube first joint 4.1, the other end of the locking screw rod 4.5 is inserted into one end of the outer tube 3, more than two tensioning blocks 4.3 are pressed between the outer wall of the locking screw rod 4.5 and the inner wall of the outer tube 3, and the minimum outer diameter of the other end of the locking screw rod 4.5 is larger than the maximum outer diameter of one end of the.

In this embodiment, the telescopic rod structure further includes a locking pin 4.6, and the locking pin 4.6 transversely or obliquely penetrates through the locking screw 4.5 and is pressed between the two tensioning blocks 4.3; and/or the device also comprises a tension spring 4.4, wherein the tension spring 4.4 is pressed between the two tension blocks 4.3.

The outer wall of the tensioning block 4.3 is provided with a positioning hole 4.3.1, the first auxiliary pressing head 4.2 is embedded in the positioning hole 4.3.1, the end part of the first auxiliary pressing head 4.2 is in a conical shape, and the end part of the first auxiliary pressing head 4.2 is in compression joint with the inner wall of the outer tube 3.

In this embodiment, the positioning holes may be blind holes, or positioning grooves may be used instead of the blind holes to achieve the same technical effect.

And a guide inclined plane is arranged on one side of the inner pipe first joint 4.1 facing the tensioning block 4.3.

The other end of outer tube 3 is provided with length adjustment subassembly 5, length adjustment subassembly 5 is including setting up the outer tube first joint 5.1 at the other end tip of outer tube 3, and the outer tube first joint 5.1 is inserted to adjusting screw 5.4's one end, and adjusting screw 5.4's the other end meets with auxiliary positioning board 5.6, and adjusting handle 5.3 cover is established at adjusting screw 5.4's middle part, and the other end of outer tube 3 and/or outer tube first joint 5.1 support with adjusting handle 5.3 and lean on together, and adjusting handle 5.3 meets with adjusting screw 5.4 screw thread through adjusting nut 5.2 that sets up on it.

The telescopic rod structure is characterized by further comprising an auxiliary pipe sleeve 5.5 sleeved on the adjusting screw rod 5.4, one end of the auxiliary pipe sleeve 5.5 is inserted into the adjusting handle 5.3, and the other end of the auxiliary pipe sleeve 5.5 is connected with an auxiliary positioning plate 5.6.

The mounting surface of the auxiliary positioning plate 5.6 is provided with a second antiskid projection 5.8 and more than two second antiskid pads 5.7.

The other end of the adjusting screw rod 5.4 is provided with a second positioning protrusion 5.9, and the second positioning protrusion 5.9 penetrates out of the mounting surface of the auxiliary positioning plate 5.6.

The other end of the inner tube 2 is provided with an inner tube positioning assembly 1, the inner tube positioning assembly 1 comprises an inner tube second connector 1.4, one end of the inner tube second connector 1.4 is inserted into the other end of the inner tube 2, the other end of the inner tube second connector 1.4 is connected with an inner tube positioning plate 1.2, a first anti-skid protrusion 1.5 and more than two first anti-skid pads 1.1 are arranged on the mounting surface of the inner tube positioning plate 1.2, a first positioning protrusion 1.3 is arranged on the other end of the inner tube second connector 1.4, and the first positioning protrusion 1.3 protrudes out of the mounting surface of the inner tube positioning plate 1.2.

The telescopic rod structure is characterized by further comprising a transition pipe sleeve 2.1, the outer wall of one end of the transition pipe sleeve 2.1 is a conical inclined plane, an annular limiting step is arranged on the outer wall of the middle of the transition pipe sleeve 2.1, and the other end of the transition pipe sleeve 2.1 is inserted between the inner pipe 2 and the outer pipe 3.

In this embodiment, in order to determine the position of the inner pipe second joint 1.4 on the inner pipe 2, a positioning step may be provided on the second joint 1.4 so that the other end face of the inner pipe 2 abuts on the positioning step.

The inner pipe second joint 1.4 may be formed such that one end thereof has a larger outer diameter and the other end thereof has a smaller outer diameter, and the first positioning projection 1.3 may be provided at the end of the smaller other end.

In the embodiment, the length adjusting component 5 is arranged at the other end of the outer pipe 3, and the inner pipe positioning component 1 is arranged at the other end of the inner pipe 2; however, the same technical effects can be achieved by providing the length adjustment assembly 5 at the other end of the inner tube 2 and the inner tube positioning assembly 1 at the other end of the outer tube 3.

The utility model provides an all can be provided with the positioning hole more than two on inner tube locating plate and the assistance-localization real-time board in advance, but this positioning hole convenience of customers need punch fixed inner tube locating plate and assistance-localization real-time board on the wall to reduce installation intensity, improved the convenience.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience of description and for simplicity of description, rather than to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention, the terms "first" and "second" are used for descriptive purposes only, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a telescopic link structure, includes that one end is inserted and is overlapped inner tube (2) in outer tube (3), characterized by be provided with between inner tube (2) and outer tube (3) and rotate locking Assembly (4), rotate locking Assembly (4) including setting up at the first joint of inner tube (4.1) of inner tube (2) one end, the one end of locking screw rod (4.5) insert inner tube first joint (4.1) and with inner tube first joint (4.1) threaded connection, the one end of outer tube (3) is inserted to the other end of locking screw rod (4.5), the tight piece (4.3) crimping that rises more than two is between the outer wall of locking screw rod (4.5) and the inner wall of outer tube (3), the minimum external diameter of the other end of locking screw rod (4.5) is greater than the maximum external diameter of the one end of locking screw rod (4.5).

2. The telescopic rod structure according to claim 1, further comprising a locking pin (4.6), wherein the locking pin (4.6) transversely or obliquely penetrates through the locking screw rod (4.5) and is pressed between the two tensioning blocks (4.3); and/or the device also comprises a tension spring (4.4), wherein the tension spring (4.4) is pressed between the two tension blocks (4.3).

3. The telescopic rod structure according to claim 1, wherein the outer wall of the tension block (4.3) is provided with a positioning hole (4.3.1), the first auxiliary pressing head (4.2) is embedded in the positioning hole (4.3.1), the end part of the first auxiliary pressing head (4.2) is tapered, and the end part of the first auxiliary pressing head (4.2) is pressed on the inner wall of the outer tube (3).

4. The telescopic rod structure according to claim 1, characterized in that the side of the inner tube first joint (4.1) facing the tensioning block (4.3) is provided with a guiding slope.

5. The telescopic rod structure according to any one of claims 1 to 4, characterized in that the other end of the outer tube (3) is provided with a length adjusting assembly (5), the length adjusting assembly (5) comprises an outer tube first joint (5.1) arranged at the other end of the outer tube (3), one end of an adjusting screw rod (5.4) is inserted into the outer tube first joint (5.1), the other end of the adjusting screw rod (5.4) is connected with an auxiliary positioning plate (5.6), an adjusting handle (5.3) is sleeved at the middle part of the adjusting screw rod (5.4), the other end of the outer tube (3) and/or the outer tube first joint (5.1) abuts against the adjusting handle (5.3), and the adjusting handle (5.3) is in threaded connection with the adjusting screw rod (5.4) through an adjusting nut (5.2) arranged on the adjusting handle.

6. The telescopic rod structure according to claim 5, further comprising an auxiliary pipe sleeve (5.5) sleeved on the adjusting screw rod (5.4), wherein one end of the auxiliary pipe sleeve (5.5) is inserted into the adjusting handle (5.3), and the other end of the auxiliary pipe sleeve (5.5) is connected with the auxiliary positioning plate (5.6).

7. The telescopic rod structure according to claim 6, wherein the mounting surface of the auxiliary positioning plate (5.6) is provided with a second anti-skid protrusion (5.8) and more than two second anti-skid pads (5.7).

8. The telescopic rod structure according to claim 5, wherein the other end of the adjusting screw rod (5.4) is provided with a second positioning protrusion (5.9), and the second positioning protrusion (5.9) penetrates out of the mounting surface of the auxiliary positioning plate (5.6).

9. The telescopic rod structure according to claim 5, characterized in that the other end of the inner tube (2) is provided with an inner tube positioning assembly (1), the inner tube positioning assembly (1) comprises an inner tube second connector (1.4), one end of the inner tube second connector (1.4) is inserted into the other end of the inner tube (2), the other end of the inner tube second connector (1.4) is connected with the inner tube positioning plate (1.2), wherein the mounting surface of the inner tube positioning plate (1.2) is provided with a first anti-skid protrusion (1.5) and more than two first anti-skid pads (1.1), the other end of the inner tube second connector (1.4) is provided with a first positioning protrusion (1.3), and the first positioning protrusion (1.3) protrudes out of the mounting surface of the inner tube positioning plate (1.2).

10. The telescopic rod structure according to claim 5, characterized by further comprising a transition pipe sleeve (2.1), wherein the outer wall of one end of the transition pipe sleeve (2.1) is a conical inclined surface, an annular limiting step is arranged on the outer wall of the middle part of the transition pipe sleeve (2.1), and the other end of the transition pipe sleeve (2.1) is inserted between the inner pipe (2) and the outer pipe (3).