CN217713229U

CN217713229U - Telescopic link positioning joint and telescopic link

Info

Publication number: CN217713229U
Application number: CN202220183697.0U
Authority: CN
Inventors: 侯东晓
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-11-01
Anticipated expiration: 2032-01-24

Abstract

The utility model discloses a telescopic link location joint and telescopic link, including the inside and outside pipe of pegging graft head and the tail each other, the outer tube passes through location joint mechanism and realizes fixed to the location of inner tube, and location joint mechanism includes the joint sleeve pipe, and joint sheathed tube one side is equipped with the fluting, is equipped with the reference column in the fluting, and the other end of reference column is equipped with the lock tongue portion, is equipped with the axis of rotation on the joint sleeve pipe, and the axis of rotation is close to the lock tongue portion, is equipped with bulge and button portion in the axis of rotation. The utility model also provides a pair of telescopic link, including multiunit telescopic link location joint and accessory installation head, the end interconnect of accessory installation head and setting at the inner tube of innermost. The utility model discloses a mode of meshing locking is flexible fixed, can realize the flexible location of most genuine arbitrary length. The mode of meshing locking can not produce virtual position, and is rational in infrastructure simple, durable firm. The method does not adopt a thread connection mode, is convenient and smooth to operate, and can be operated by one hand.

Description

Telescopic link positioning joint and telescopic link

Technical Field

The utility model relates to a telescoping device technical field for the high altitude construction particularly, relates to a telescopic link location joint and telescopic link.

Background

In fields such as overhead power cable, gardens branches of tall trees are pruned, often need carry out the operation on the overhead ladder during the operation, the security is poor, and high altitude telescopic link can not need the operation of ascending a height, and the security is good, and convenient to use has brought the facility for work.

The existing telescopic rods are various in types, but when telescopic rods which are mutually sleeved are stretched, only fixed position stretching can be achieved, namely, the stretching and shortening positions are the maximum stretching and the minimum shortening, the stretching function with any length cannot be achieved, and inconvenience is caused during use.

At present, some telescopic rods capable of achieving stretching and retracting in any length are provided, and joint mechanisms for positioning and stretching comprise positioning modes such as holding type fixing, bolt type fixing and screwing type fixing, but the positioning modes have certain defects. Although the bolt type fixing mode can adjust different telescopic lengths, the telescopic length is limited by the distance between every two adjacent pin holes, and the bolt type fixing mode can also generate looseness in use. The clasping type fixing mode also needs to fasten screw fittings such as bolts and the like, and is influenced by factors such as outdoor environment operation and the like, and metal parts and the screw fittings are easy to loosen and damage, so that the service life is influenced. The most common way of screwing is that the joint mechanism can clamp the inner tube by using a tapered clamping piece, and only by screwing an external wire ring. However, the structure of the rod body is cylindrical, the holding effect of hands in the actual use process is general, and along with the increase of the use time and the frequency, the joint is easy to loosen and have gaps, the virtual position is easy to shake, the positioning lock is not firm, and the normal use is influenced. Besides the above disadvantages, there are also the disadvantages of complicated and inconvenient telescopic adjustment operation and the necessity of two-hand operation.

Therefore, a new positioning joint and a telescopic rod using the same are needed to overcome the current shortcomings.

SUMMERY OF THE UTILITY MODEL

The technical task of the utility model is to above not enough, provide a telescopic link location joint and telescopic link, solve the not enough that exists among the prior art.

The utility model provides a telescopic rod positioning joint, which comprises an inner pipe and an outer pipe which are mutually spliced end to end, the outer pipe realizes the positioning and fixing of the inner pipe through a positioning joint mechanism arranged at one end of the outer pipe which is correspondingly spliced,

the key points are that the positioning joint mechanism comprises a joint sleeve sleeved at the outer diameter of one end of the outer pipe, one side of the joint sleeve is provided with a slot which is arranged along the axial direction and runs through the inner cavity of the joint sleeve, a positioning column which corresponds to the joint sleeve in the same direction and is fixedly connected with the joint sleeve is arranged in the slot, the other end of the positioning column is provided with at least one lock tongue part which extends towards the direction of the inner cavity of the joint sleeve,

the joint sleeve is provided with a rotating shaft stretching across the width direction of the groove, the rotating shaft is positioned above the positioning column and close to the lock tongue part, the rotating shaft is provided with a protruding part extending towards the direction of the positioning column, and the rotating shaft is provided with a button part for driving the rotating shaft to rotate.

Preferably, the inner pipe is provided with an inner pipe rack which is coaxially corresponding to the inner pipe, and the inner pipe rack and the lock tongue part are mutually corresponding up and down.

Preferably, the outer pipe is also provided with an outer pipe rack which is coaxially corresponding to the outer pipe.

Preferably, the same side of the inner pipe and the outer pipe is provided with an inner pipe slot and an outer pipe slot which are respectively used for installing the inner pipe rack and the outer pipe rack in an adaptive manner.

Preferably, the inner tube rack and the outer tube rack do not protrude from the peripheral walls of the inner tube and the outer tube.

Preferably, the inner wall of the joint sleeve is provided with a plurality of protruding positioning parts, and the protruding positioning parts are matched and clamped with pin holes formed in the side wall of the outer pipe.

Preferably, a step portion extending toward the center direction thereof and blocking the outer tube is provided at an inner diameter of one end of the joint sleeve.

Preferably, the cross sections of the inner pipe and the outer pipe are both of a corner-wiping rectangular structure.

The utility model also provides a pair of telescopic link, including the multiunit telescopic link location joint and accessory installation head, the accessory installation head is at the innermost with the setting the end interconnect of inner tube.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

the telescopic positioning of any length can be realized in the real sense by adopting the engagement locking mode for telescopic fixation. I.e. the length is positioned by the engagement between the locking tongue and the toothed rack.

The mode of meshing locking can not produce the virtual position, and firm in connection between inner tube and the outer tube.

Reasonable and simple structure, durability and firmness. The method does not adopt a thread connection mode, is convenient and smooth to operate, and can be operated by one hand.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a telescopic rod according to an embodiment of the present invention;

FIG. 2 is an enlarged view of the positioning joint mechanism at A in FIG. 1;

fig. 3 is a first schematic perspective view of a joint sleeve in a positioning joint of a telescopic rod according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of a joint sleeve in a positioning joint of a telescopic rod according to an embodiment of the present invention;

FIG. 5 is a front view of the joint sleeve in the positioning joint of the telescopic rod according to the embodiment of the present invention;

FIG. 6 is a schematic view of the alternate configuration of FIG. 5;

fig. 7 is a schematic perspective view of a telescopic rod according to an embodiment of the present invention;

fig. 8 is a right side view of a telescopic rod according to an embodiment of the present invention.

In the figure:

1. the inner pipe 101, the inner pipe rack 102 and the inner pipe tooth space;

2. an outer pipe 201, an outer pipe rack 202 and an outer pipe tooth groove;

3. joint sleeve 301, slot 302, positioning column 3021, tongue portion 303, rotating shaft 3031, protruding portion 3032, button portion 304, step portion 305, and protruding positioning portion.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The invention will be further described with reference to the accompanying figures 1-8 and the specific embodiments.

Example one

As shown in fig. 1-8, the tree straightening support base according to the embodiment includes an inner tube 1 and an outer tube 2 that are inserted end to end, the outer tube 2 realizes positioning and fixing of the inner tube 1 by a positioning joint mechanism provided at one end of the outer tube that is inserted correspondingly,

the positioning joint mechanism comprises a joint sleeve 3 sleeved at the outer diameter of one end of the outer tube 2, one side of the joint sleeve 3 is provided with a slot 301 which is arranged along the axial direction and penetrates through the inner cavity of the joint sleeve 3, a positioning column 302 which corresponds to the slot 301 in the same direction and is fixedly connected with the joint sleeve 3 at one end is arranged in the slot 301, the other end of the positioning column 302 is provided with at least one bolt part 3021 which extends towards the direction of the inner cavity of the joint sleeve 3, the end has no supporting point, and when the bolt part is pressed by a downward pressure, the bolt part can be driven to move downwards together,

the joint sleeve 3 is provided with a rotating shaft 303 crossing the width direction of the open slot 301, the rotating shaft 303 is located above the positioning column 302 and is close to the bolt part 3021, the rotating shaft 303 is provided with a protruding part 3031 extending towards the positioning column 302, the rotating shaft 303 is provided with a button 3032 for driving the rotating shaft 303 to rotate, the protruding part 3031 rotates along with the rotating shaft 303 by means of wrestling the rotating button 3032, and the positioning column 302 is pressed to drive the bolt part 3021 to press down.

Example two

As shown in fig. 1-2, in order to realize the positioning of the meshing connection, an inner pipe rack 101 coaxially corresponding to the inner pipe 1 is arranged on the inner pipe 1, the inner pipe rack 101 and the bolt part 3021 correspond to each other up and down, the length of the inner pipe rack matches with that of the inner pipe, and the telescopic distance of the inner pipe is limited by the inner pipe rack.

When the positioning column is pressed down by the convex part, the lock tongue part can be forced to be pressed down and meshed with the inner pipe rack to realize positioning. Because the extending direction and the distance of the inner pipe rack are matched with the length of the inner pipe, the positioning with any length can be realized, and the telescopic distance of the outer pipe is limited by the outer pipe rack.

As shown in fig. 1-2, in order to realize positioning of the meshed connection, an outer tube rack 201 is provided on the outer tube 2, which is coaxial with the outer tube, and the outer tube rack matches with the outer tube in length, so that the combined use in multiple groups can be realized.

Because the flexible section quantity of telescopic link is unfixed, when a plurality of flexible sections are pegged graft and are combined, every two adjacent inner tubes and outer tube can realize the end to end combination grafting.

As shown in fig. 1-2, for the convenience of positioning, an inner tube insertion slot 102 and an outer tube insertion slot 202 for respectively fitting and installing the inner tube rack 101 and the outer tube rack 201 are disposed on the same side of the inner tube 1 and the outer tube 2.

The inner pipe rack and the outer pipe rack can be respectively inserted into the inner pipe slot and the outer pipe slot, and the purpose of limiting placement is achieved. A gap is reserved between two sides of the positioning column 302 and the open slot 301, the gap is convenient for inserting the inner pipe insertion slot 102 and the outer pipe insertion slot 202 of the inner pipe, and simultaneously, the gap can play a role in blocking and limiting the ends of the inner pipe rack 101 and the outer pipe rack 201, namely, the thicknesses of the inner pipe rack 101 and the outer pipe rack 201 are not higher than the lowest point of the bolt part 3021, smooth expansion and contraction can be realized, and the operation can be carried out by one hand.

As shown in fig. 1, 2 and 8, neither the inner pipe rack 101 nor the outer pipe rack 201 protrudes from the peripheral walls of the inner pipe 1 and the outer pipe 2.

This structure can avoid hand direct contact rack when using, improves the comfort level and the security of use, also can reduce the impaired probability of rack.

As shown in fig. 5 and fig. 6, in order to realize firm connection, a plurality of protruding positioning portions 305 are arranged on the inner wall of the joint sleeve 3, and the protruding positioning portions 305 are in matched clamping connection with pin holes arranged on the side wall of the outer tube 2.

As shown in fig. 3 and 4, in order to further improve the positioning restriction of the outer tube, a step 304 extending toward the center of the outer tube 2 is provided at the inner diameter of one end of the joint sleeve 3.

As shown in fig. 1 to 8, in order to improve comfort and convenience during use, the cross-sections of the inner tube 1 and the outer tube 2 are each of a chamfered rectangular structure.

The structure is suitable for holding the hand, and particularly, when the axial rotation action is needed in the operation process, the hand has an acting point, and the telescopic rod can be easily axially rotated. When the traditional cylindrical telescopic rod rotates, no obvious acting point exists, and the operation of slipping the hand is easy and laborious.

EXAMPLE III

As shown in fig. 1, 7 and 8, the present invention further provides a telescopic rod, which comprises a plurality of sets of positioning joints of the telescopic rod and fitting installation heads, wherein the fitting installation heads are connected with the ends of the innermost inner tubes 1. The accessory mounting head in the actual use process is various in types and can be mounted in a matching manner with the hole reserved in the inner pipe end head.

The working principle is as follows:

one end of the outer pipe is mutually inserted with the joint sleeve, and the outer pipe is fixedly connected with the joint sleeve through the step part, the protruding positioning part and the pin hole. The inner tube is inserted into the joint sleeve and extends into the outer tube to realize the telescopic function. The positioning function is realized by the mutual meshing of the lock tongue part and the inner tube rack.

When the button part is rotated, the rotating shaft rotates and drives the protruding part to rotate. When the protruding part rotates towards the direction of the positioning column, the protruding part can continuously press the positioning column to press downwards, and then the locking tongue part is driven to be close to the inner pipe rack, so that the meshing positioning effect is realized. When the protruding part rotates towards the direction of keeping away from the reference column, the reference column loses the holding down force and can recover gradually, and then drives spring bolt portion and keeps away from the inner tube rack gradually, realizes the effect that the pine takes off.

the telescopic positioning of any length can be really realized by adopting a meshing locking mode for telescopic fixing. I.e. the length is positioned by the engagement between the locking tongue and the toothed rack.

Reasonable and simple structure, durability and firmness. The method does not adopt a threaded connection mode, the operation is convenient and smooth, and the operation can be carried out by one hand.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.

Claims

1. A telescopic rod positioning joint comprises an inner tube (1) and an outer tube (2) which are inserted end to end, the outer tube (2) realizes the positioning and fixing of the inner tube (1) through a positioning joint mechanism arranged at one end of the outer tube which is correspondingly inserted,

the method is characterized in that:

the positioning joint mechanism comprises a joint sleeve (3) sleeved at the outer diameter of one end of the outer pipe (2), one side of the joint sleeve (3) is provided with a slot (301) which is arranged along the axial direction of the joint sleeve and penetrates through the inner cavity of the joint sleeve, a positioning column (302) which corresponds to the slot (301) in the same direction and is fixedly connected with the joint sleeve (3) at one end is arranged in the slot (301), the other end of the positioning column (302) is provided with at least one bolt part (3021) which extends towards the inner cavity direction of the joint sleeve (3),

the joint sleeve (3) is provided with a rotating shaft (303) stretching across the width direction of the open slot (301), the rotating shaft (303) is positioned above the positioning column (302) and close to the tongue locking portion (3021), the rotating shaft (303) is provided with a protruding portion (3031) extending towards the positioning column (302), and the rotating shaft (303) is provided with a button portion (3032) for driving the rotating shaft to rotate.

2. The telescopic rod positioning joint of claim 1, wherein: the inner tube (1) is provided with an inner tube rack (101) which is coaxially corresponding to the inner tube, and the inner tube rack (101) and the lock tongue portion (3021) are mutually corresponding up and down.

3. The telescopic rod positioning joint of claim 2, wherein: and an outer pipe rack (201) which is coaxially corresponding to the outer pipe rack is arranged on the outer pipe (2).

4. The telescopic rod positioning joint according to claim 3, wherein: and an inner pipe insertion groove (102) and an outer pipe insertion groove (202) which are respectively used for installing the inner pipe rack (101) and the outer pipe rack (201) in an adaptive manner are arranged on the same side of the inner pipe (1) and the outer pipe (2).

5. The telescopic rod positioning joint of claim 4, wherein: the inner pipe rack (101) and the outer pipe rack (201) do not protrude out of the peripheral walls of the inner pipe (1) and the outer pipe (2).

6. The telescopic rod positioning joint of claim 1, wherein: the joint sleeve is characterized in that a plurality of protruding positioning portions (305) are arranged on the inner wall of the joint sleeve (3), and the protruding positioning portions (305) are connected with pin holes formed in the side wall of the outer pipe (2) in a matched and clamped mode.

7. The telescopic rod positioning joint of claim 1, wherein: the inner diameter of one end of the joint sleeve (3) is provided with a step part (304) which extends towards the central direction of the joint sleeve and is used for blocking the outer pipe (2).

8. The telescopic rod positioning joint of claim 1, wherein: the cross sections of the inner pipe (1) and the outer pipe (2) are both in a corner-wiping rectangular structure.

9. A telescopic rod is characterized in that: comprising a plurality of sets of telescopic rod positioning joints according to any one of claims 1 to 8 and an accessory mounting head, which is interconnected with the end head of the inner tube (1) arranged innermost.