CN219159332U - Improved generation extension rod - Google Patents

Abstract

The utility model relates to the field of auxiliary tools and discloses an improved extension rod which comprises an extension rod, wherein the outer surface of the extension rod is slidably connected inside a storage tube, the top end of the storage tube is fixedly connected with uniformly distributed thread pieces, the outer surfaces of the thread pieces are all in threaded connection with the inner side of a tightening cylinder, the top end of the extension rod is fixedly connected with the bottom end of a second connecting nut, the bottom end of the storage tube is fixedly connected with a first connecting nut, second through holes are formed in the middle parts of the two sides of the second connecting nut and the middle parts of the two sides of the first connecting nut, and butterfly screws are all in threaded connection with the inner surfaces of the second through holes. According to the utility model, the thread grooves arranged on the outer surface of the extension rod can enable the limiting block to control the extension length of the extension rod, the butterfly screws are connected to the inner surface of the second through hole in a threaded manner, and the clamping plates are arranged on two sides in the second connecting nut and the first connecting nut, so that the purpose of fixing rod tools by the clamping plates is achieved.

Description

Improved generation extension rod

Technical Field

The utility model relates to the field of auxiliary tools, in particular to an improved extension rod.

Background

The extension rod is a device which can extend and lengthen rod tools in daily life, is convenient for work to continue, such as in machining, common vertical lathe equipment is generally used for relatively large parts, and during machining, the vertical lathe equipment is not long enough in clamping head, the extension rod is required to be used for continuous operation, the length of the extension rod is adjusted after one end of the clamping head is installed with the extension rod, and the vertical lathe equipment can normally continue to work after adjustment is completed.

When using the extension rod to work, traditional extension rod often does not possess the fixed function of arbitrary length adjustment, often can only carry out the stepwise adjustment of certain length when using fixedly, can not guarantee the precision when using to traditional extension rod only can carry out the fixed of specific bore, can not prolong the fixed to the pole class instrument of arbitrary bore, often inconvenient when using.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides an improved extension rod.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an improved generation extension rod, includes the extension rod, the extension rod surface is provided with the thread groove, extension rod surface sliding connection is inside accomodating the pipe top, accomodate pipe top fixedly connected with evenly distributed's screw thread piece, equal threaded connection of screw thread piece surface is in the section of thick bamboo inboard of tightening, extension rod top fixedly connected with is in second coupling nut bottom, accomodate pipe bottom fixedly connected with first coupling nut, second coupling nut and first coupling nut both sides middle part all are provided with the second through-hole, equal threaded connection of second through-hole internal surface has butterfly screw, both sides all are provided with the clamp plate in second coupling nut and the first coupling nut, the clamp plate all is provided with the screw thread near one side each other.

As a further description of the above technical solution:

the extension rod bottom fixedly connected with baffle, baffle surface sliding connection is at the storage tube inboard.

As a further description of the above technical solution:

the middle parts of the thread pieces close to one side of each other are fixedly connected with limiting blocks, and the outer sides of the limiting blocks are slidably connected to the inner sides of the thread grooves.

As a further description of the above technical solution:

the thread arranged in the tightening cylinder is conical.

As a further description of the above technical solution:

the middle part of one end of the clamping plate is fixedly connected with a cylinder through a screw, and the cylinder is arranged on one side, close to each other, of the butterfly screw.

As a further description of the above technical solution:

the tightening cylinder is arranged at the top end of the storage tube.

As a further description of the above technical solution:

the upper end middle part and the lower end middle part of second coupling nut and first coupling nut both sides are inside all to be provided with the through-hole, clamping plate keeps away from each other one side upper and lower both ends middle part all fixedly connected with two separation blocks, separation block one end surface all sliding connection is at the through-hole internal surface.

The utility model has the following beneficial effects:

1. according to the utility model, the tightening cylinder is adopted to perform spiral rotation, so that the tightening cylinder moves up and down to drive the internal threads of the tightening cylinder to tighten up the thread sheets, and then the limiting block fixedly connected with the middle part of the inner side of the thread sheets clamps the thread grooves arranged on the outer surface of the extension rod, so that the extension rod is fixed at the length adjusted by a user.

2. According to the utility model, the clamping plates arranged on two sides in the first connecting nut and the second connecting nut are screwed through the butterfly screws in threaded connection on two sides, so that the butterfly screws are driven to move close to one end of each other, and further the clamping plates are driven to move away from the cylinders fixedly connected on one side of each other, the purpose that the clamping plates are close to each other and clamped is achieved, and the first connecting nut and the second connecting nut can relatively adjust and adapt to the caliber of an external connecting rod, so that the clamping device is convenient and quick.

Drawings

FIG. 1 is a schematic front perspective view of an improved extension rod according to the present utility model;

FIG. 2 is a perspective cross-sectional elevation view of an improved receiving tube according to the present utility model;

FIG. 3 is a schematic perspective view of an explosion structure of an improved extension rod according to the present utility model;

FIG. 4 is a schematic perspective view of an internal explosion structure of an improved extension rod according to the present utility model;

FIG. 5 is a schematic perspective view of a second coupling nut of an improved extension rod according to the present utility model;

FIG. 6 is a schematic perspective view of a thread piece of an improved extension rod according to the present utility model;

FIG. 7 is a schematic perspective view of a tightening cylinder of an improved extension rod according to the present utility model;

FIG. 8 is a schematic perspective view of a front view of an explosion structure of a clamping plate of an improved extension rod according to the present utility model;

fig. 9 is a schematic perspective view of a first coupling nut of an improved extension rod according to the present utility model.

Legend description:

1. a clamping plate; 2. a butterfly screw; 3. a tightening cylinder; 4. a storage tube; 5. a first coupling nut; 6. a baffle; 7. a second coupling nut; 8. a barrier block; 9. a thread piece; 10. a through hole; 11. a cylinder; 12. a screw; 13. a second through hole; 14. an extension rod; 15. a limiting block; 16. a thread groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-9, one embodiment provided by the present utility model is: an improved extension rod comprises an extension rod 14, wherein a thread groove 16 is arranged on the outer surface of the extension rod 14, the outer surface of the extension rod 14 is slidably connected inside the top end of a collecting tube 4, the thread groove 16 arranged on the outer surface of the extension rod 14 can enable a limiting block 15 to control the extension length of the extension rod 14, uniformly distributed thread pieces 9 are fixedly connected to the top end of the collecting tube 4, the outer surfaces of the thread pieces 9 are uniformly in threaded connection with the inner side of a tightening tube 3, the outer surface of the extension rod 14 is slidably connected inside the collecting tube 4, the length of the improved extension rod can be controlled, uniformly distributed thread pieces 9 are fixedly connected to the top end of the collecting tube 4, the outer surfaces of the thread pieces 9 are uniformly in threaded connection with the inner side of the tightening tube 3, the thread pieces 9 can be driven to be retracted inwards or outwards when the tightening tube 3 rotates up and down, the purpose of fixing and adjusting the extension length of the extension rod can be achieved, the top end of the extension rod 14 is fixedly connected with the bottom end of the second connecting nut 7, the bottom end of the storage tube 4 is fixedly connected with the first connecting nut 5, the middle parts of two sides of the second connecting nut 7 and the first connecting nut 5 are respectively provided with a second through hole 13, the inner surfaces of the second through holes 13 are respectively connected with butterfly screws 2 in a threaded manner, clamping plates 1 are respectively arranged on two inner sides of the second connecting nut 7 and the first connecting nut 5, one side, close to each other, of the clamping plates 1 is respectively provided with threads, the second connecting nut 7 and the first connecting nut 5 can enable the extension rod to be additionally extended when needed, the inner surfaces of the second through holes 13 are respectively connected with the butterfly screws 2 in a threaded manner, the two inner sides of the second connecting nut 7 and the first connecting nut 5 are respectively provided with the clamping plates 1, the clamping plates 1 can be pushed or recovered when being rotationally regulated, the purpose that the clamping plates 1 fix rod tools is achieved, the screw thread that is close to one side and sets up each other can increase the frictional force to pole class instrument, better centre gripping.

The baffle 6 is fixedly connected with the bottom end of the extension rod 14, the outer surface of the baffle 6 is slidably connected with the inner side of the storage tube 4, the baffle 6 can ensure that the extension rod 14 can not be pulled out of the storage tube 4 when the extension rod is extended, the middle parts of the thread pieces 9 which are mutually close to one another are fixedly connected with the limiting blocks 15, the outer sides of the limiting blocks 15 are slidably connected with the inner sides of the thread grooves 16, so that the limiting blocks 15 can be controlled to clamp the extension rod 14 when needed, the limiting blocks 15 can clamp and fix the extension rod 14 when the thread pieces 9 move inwards, the cylinders 11 are arranged on the mutually close sides of the butterfly screws 2 and can push the cylinders 11 to move when the butterfly screws 2 move so as to drive the clamping plates 1 to move, the screw thread that tightens up the inside setting of section of thick bamboo 3 is the toper, set up to the toper screw thread and can guarantee to tighten up section of thick bamboo 3 and receive and release screw thread piece 9 when reciprocating, clamping plate 1 one end middle part is all through screw 12 fixedly connected with cylinder 11, tighten up section of thick bamboo 3 setting and is taking in the pipe 4 top, can be convenient for the shrink of extension rod 14, the inside upper and lower extreme middle part in second coupling nut 7 and first coupling nut 5 both sides all is provided with through-hole 10, clamping plate 1 keeps away from each other about one side both ends middle part all fixedly connected with two spacer blocks 8 about, equal sliding connection of spacer block 8 one end surface is at the through-hole 10 internal surface, through-hole 10 can make spacer block 8 remove, guarantee that clamping plate 1 can shrink and relax the work.

Working principle: during operation, one end of a rod tool needing to be prolonged is inserted into the top end of the second connecting nut 7, such as a chuck of a vertical lathe device, the butterfly screws 2 on two sides are adjusted to move inwards to the clamping plates 1 arranged in the second connecting nut 7, the purpose of clamping the chucks by the clamping plates 1 on two sides is achieved, then the tightening cylinder 3 in the middle of the improved extending rod is rotated to move upwards, the uniformly distributed thread pieces 9 arranged in the middle of the improved extending rod are outwards placed, the purpose of moving the inner extending rod 14 up and down is achieved, afterwards, according to the requirement of a prolonged distance, the rotating extending rod 14 is adjusted to the vertical extending distance, after the required length is achieved, the rotating tightening cylinder 3 moves downwards, further the thread pieces 9 arranged on the inner side are tightened, and the limiting blocks 15 which are fixedly connected with one side of the thread pieces are mutually close to each other clamp the extending rod 14, the purpose of sudden recovery cannot occur when the extending rod 14 is achieved, the first connecting rod 5 arranged at the bottom of the improved extending rod can extend the nut according to the requirement, and normal operation of the vertical lathe device can be convenient to install.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. An improved extension pole comprising an extension pole (14), characterized in that: extension pole (14) surface is provided with screw groove (16), extension pole (14) surface sliding connection is inside accomodating pipe (4) top, accomodate pipe (4) top fixedly connected with evenly distributed's screw thread piece (9), equal threaded connection of screw thread piece (9) surface is in tightening cylinder (3) inboard, extension pole (14) top fixed connection is in second coupling nut (7) bottom, accomodate pipe (4) bottom fixedly connected with first coupling nut (5), second coupling nut (7) and first coupling nut (5) both sides middle part all are provided with second through-hole (13), equal threaded connection of second through-hole (13) internal surface has butterfly screw (2), both sides all are provided with clamping plate (1) in second coupling nut (7) and first coupling nut (5), clamping plate (1) all are close to one side each other and all are provided with the screw thread.

2. An improved extender as claimed in claim 1 wherein: the bottom end of the extension rod (14) is fixedly connected with a baffle plate (6), and the outer side of the baffle plate (6) is slidably connected with the inner side of the storage tube (4).

3. An improved extender as claimed in claim 1 wherein: the middle parts of the thread pieces (9) close to one side of the thread pieces are fixedly connected with limiting blocks (15), and the outer sides of the limiting blocks (15) are slidably connected to the inner sides of the thread grooves (16).

4. An improved extender as claimed in claim 1 wherein: the thread arranged inside the tightening cylinder (3) is conical.

5. An improved extender as claimed in claim 1 wherein: the middle part of one end of the clamping plate (1) is fixedly connected with a cylinder (11) through screws (12), and the cylinders (11) are arranged on one sides, close to each other, of the butterfly screws (2).

6. An improved extender as claimed in claim 1 wherein: the tightening cylinder (3) is arranged at the top end of the storage tube (4).

7. An improved extender as claimed in claim 1 wherein: the second link

Through holes (10) are arranged in the middle parts of the upper and lower ends inside the two sides of the connecting nut (7) and the first connecting nut (5),

two blocking blocks (8) are fixedly connected with the middle parts of the upper end and the lower end of the side, away from each other, of the clamping plate (1),

the outer surface of one end of the blocking block (8) is connected with the inner surface of the through hole (10) in a sliding way.

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