CN216508227U

CN216508227U - Automobile plug-in components use super long square needle with adjustable length

Info

Publication number: CN216508227U
Application number: CN202220183600.6U
Authority: CN
Inventors: 尧章华
Original assignee: Jiangxi Haihua Electronics Co ltd
Current assignee: Jiangxi Haihua Electronics Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-05-13
Anticipated expiration: 2032-01-24

Abstract

The utility model belongs to the field of automobile accessories, and particularly relates to a length-adjustable extra-long square needle for an automobile plug-in, which comprises a middle pipe and two contraction heads, wherein the two contraction heads are vertically and slidably connected with openings at two ends of the middle pipe; through adjusting the rotation of first helical gear of pole drive, second helical gear, thereby make the thread bush move up and down in screw portion according to the length that uses the installation demand to adjust the shrink head, realize the regulation of four square needle length, the regulation mode is comparatively convenient, when needing the shrink, only need the antiport adjust the pole alright.

Description

Automobile plug-in components use super long square needle with adjustable length

Technical Field

The utility model relates to the technical field of automobile parts, in particular to an extra-long square rule for an automobile plug-in with adjustable length.

Background

With the development of science and technology, in the daily travel process of people, an automobile becomes one of indispensable vehicles of people, and the square needle is used as one of automobile plug-in mounting auxiliary accessories, and plays an indispensable role in the assembling process of an automobile inserted link.

The existing automobile plug-in is mostly fixed in length and cannot be adjusted, corresponding square needles are often required to be replaced in different use occasions, and the problem is solved by designing the length-adjustable automobile plug-in with the special square needles.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems that most of the prior art are fixed in length and cannot be adjusted, and corresponding square needles are required to be replaced under different use occasions, the utility model provides a length-adjustable extra-long square needle for an automobile plug-in.

The technical scheme adopted by the utility model for solving the technical problems is as follows: an extra-long square needle with adjustable length for an automobile plug-in comprises a middle tube and two contraction heads, wherein the two contraction heads are vertically connected with openings at two ends of the middle tube in a sliding manner, a matching ring is arranged on the outer side of the middle pipe, a protection box is arranged in the middle pipe, the protection box is fixedly connected with the inner wall of the middle pipe through a plurality of groups of uniformly distributed connecting rods, the upper and lower side walls of the protection box are connected with a rotating rod in a rotating way together, the rotating rod is arranged along the axis of the middle pipe, the rotating rod penetrates through the protection box, the side wall of the middle pipe is rotatably connected with an adjusting rod, the adjusting rod penetrates through the middle pipe inwards and is fixedly connected with a first helical gear on the side wall of the protection box, a second bevel gear meshed with the first bevel gear is fixedly sleeved on the rotating rod, threaded parts are symmetrically arranged on the rotating rod, the thread part is in threaded connection with a corresponding thread sleeve, and each thread sleeve is fixedly connected with a corresponding shrinkage head through a corresponding ejection device; thereby make the thread bush move up and down in screw portion thereby adjust the length of shrink head according to using the installation demand, realize the regulation of four directions needle length, the regulation mode is comparatively convenient, when needing the shrink, only need the antiport adjust the pole alright.

Each ejection device comprises a plurality of groups of ejector rods, one end of each group of ejector rods is fixedly connected to the side wall of the threaded sleeve, one end, far away from the threaded sleeve, of each ejector rod is fixedly connected with the end wall of the contraction head, the side wall of the threaded sleeve is fixedly connected with limiting rods with symmetrical positions, and the inner wall of the middle pipe is provided with a limiting groove matched with the limiting rods; the connection strength between the contraction head and the threaded sleeve is enhanced, and the limiting rod and the limiting groove are matched so that the threaded sleeve does not rotate when moving up and down in the threaded part.

One end of each ejector rod, which is far away from the thread bush, is fixedly connected with a corresponding ejector block, and the diameter of each ejector block is larger than that of the ejector rod; the contact area of the ejector rod and the shrinkage head is increased through the arrangement of the ejector block, stress concentration is avoided, and the ejection of the shrinkage head by the ejector rod is facilitated.

A plurality of groups of symmetrical sliding chutes are formed in the inner wall of the middle tube, one end, close to the middle tube, of the side wall of each contraction head is fixedly connected with a corresponding vertical sliding block, and the vertical sliding blocks are in sliding connection with the corresponding vertical sliding chutes; the vertical sliding block is matched with the vertical sliding groove, so that the contraction head can vertically slide along the openings at the two ends of the middle pipe.

The openings at the two ends of the middle pipe are provided with matched sealing gaskets which are abutted against the side wall of the contraction head; the problem that in the installation and use process of the square needle, external dust enters the middle tube through a gap between the middle tube and the contraction head and is difficult to clean is solved.

One end of the adjusting rod, which is far away from the first helical gear, is fixedly connected with a rotating handle, and the surface of the rotating handle is wrapped with a layer of soft sponge; the setting of soft sponge has improved user's use and has experienced.

The utility model has the advantages that:

1. the adjusting rod drives the first helical gear and the second helical gear to rotate, so that the threaded sleeve moves up and down on the threaded part to adjust the length of the contraction head according to the use and installation requirements, the length of the quadrate needle is adjusted, the adjusting mode is convenient, and when the contraction is needed, the adjusting rod only needs to be rotated reversely;

2. the setting of multiunit ejector pin has strengthened the joint strength between shrink head and the thread bush, and the cooperation of gag lever post and spacing groove is self when avoiding the thread bush to move from top to bottom in screw portion and takes place to rotate, and the setting up of kicking block has increased the area of contact of ejector pin with the shrink head, avoids stress concentration.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art 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 inventive exercise.

FIG. 1 is a schematic view of an overall appearance structure of the first embodiment;

FIG. 2 is a schematic sectional front view of the first embodiment;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

fig. 4 is a schematic view of a connection structure of a rotating rod and a threaded sleeve according to a first embodiment.

In the figure: the device comprises a middle pipe 1, a matching ring 2, a contraction head 3, an adjusting rod 4, a first bevel gear 5, a second bevel gear 6, a protection box 7, a rotating rod 8, a threaded sleeve 9, a top rod 10, a top block 11, a limiting rod 12, a vertical sliding groove 13 and a vertical sliding block 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-4, a length-adjustable rectangular needle for an automobile plug-in includes a middle tube 1 and two shrinking heads 3, the two shrinking heads 3 are vertically and slidably connected with openings at two ends of the middle tube 1, a matching ring 2 is arranged at the outer side of the middle tube 1, a protection box 7 is arranged in the middle tube 1, the protection box 7 is fixedly connected with the inner wall of the middle tube 1 through a plurality of groups of uniformly distributed connecting rods, rotating rods 8 are jointly and rotatably connected with the upper side wall and the lower side wall of the protection box 7, the rotating rods 8 are arranged along the axis of the middle tube 1, the rotating rods 8 are arranged to penetrate through the protection box 7, adjusting rods 4 are rotatably connected with the side wall of the middle tube 1, the adjusting rods 4 penetrate through the side walls of the middle tube 1 and the protection box 7 and are fixedly connected with first helical gears 5, second helical gears 6 meshed with the first helical gears 5 are fixedly sleeved on the rotating rods 8, threaded portions are symmetrically arranged on the rotating rods 8, the thread part is in threaded connection with corresponding thread sleeves 9, and each thread sleeve 9 is fixedly connected with the corresponding shrinkage head 3 through a corresponding ejection device; through adjusting the rotation of pole 4 drive first helical gear 5, second helical gear 6, thereby make the thread bush 9 move up and down in screw portion according to using the length that installation demand adjusted shrink head 3, realize the regulation of four square needle length, the regulation mode is comparatively convenient, when needing the shrink, only need the antiport adjust pole 4 alright.

Each ejection device comprises a plurality of groups of ejector rods 10, one end of each group of ejector rods 10 is fixedly connected to the side wall of the threaded sleeve 9, one end, far away from the threaded sleeve 9, of each ejector rod 10 is fixedly connected with the end wall of the contraction head 3, the side wall of the threaded sleeve 9 is fixedly connected with limiting rods 12 with symmetrical positions, and the inner wall of the middle pipe 1 is provided with a limiting groove matched with the limiting rods 12; the setting of multiunit ejector pin 10 has strengthened the joint strength between shrink head 3 and the thread bush 9, and the cooperation of gag lever post 12 and spacing groove is self emergence rotation when avoiding thread bush 9 to move up and down at screw portion.

One end of each ejector rod 10, which is far away from the thread bush 9, is fixedly connected with a corresponding ejector block 11, and the diameter of each ejector block 11 is larger than that of each ejector rod 10; the contact area of the ejector rod 10 and the shrinkage head 3 is increased through the arrangement of the ejector block 11, stress concentration is avoided, and the ejector rod 10 is convenient to eject the shrinkage head 3.

A plurality of groups of symmetrically-positioned sliding grooves are formed in the inner wall of the middle tube 1, one end, close to the middle tube 1, of the side wall of each contraction head 3 is fixedly connected with a corresponding vertical sliding block 14, and the vertical sliding blocks 14 are in sliding connection with corresponding vertical sliding grooves 13; the vertical slide block 14 is matched with the vertical slide groove 13, so that the contraction head 3 can vertically slide along the openings at the two ends of the middle pipe 1.

The openings at the two ends of the middle pipe 1 are provided with matched sealing gaskets which are propped against the side wall of the contraction head 3; the sealing washer is arranged to prevent external dust from entering the middle pipe 1 through a gap between the middle pipe 1 and the contraction head 3 and being difficult to clean in the process of mounting and using the square needle.

One end of the adjusting rod 4, which is far away from the first bevel gear 5, is fixedly connected with a rotating handle, and the surface of the rotating handle is wrapped with a layer of soft sponge; the setting of soft sponge has improved user's use and has experienced.

Example two

In the first comparative example, as another embodiment of the present invention, a wear-resistant layer is disposed on a fixing pad at an end of the limiting rod 12 away from the threaded sleeve 9, and the wear-resistant layer is disposed to avoid serious wear of the limiting rod 12 itself during long-term use, so as to improve the service life of the limiting rod 12.

The theory of operation, when needing to adjust the length of four directions needle, rotate regulation pole 4 this moment, first helical gear 5 drives second helical gear 6 and bull stick 8 thereupon and rotates, and the threaded sleeve 9 with screw thread portion threaded connection passes through ejector pin 10 and ejector block 11's cooperation with the ejecting intermediate pipe 1 of shrink head 3, and ejecting length can change thereupon according to the user demand, when needing shrink head 3, only need the antiport adjust pole 4 alright.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. The utility model provides a car plug-in components are with extra long tetragonal needle with adjustable length which characterized in that: the device comprises an intermediate pipe (1) and two contraction heads (3), wherein the two contraction heads (3) are vertically and slidably connected with openings at two ends of the intermediate pipe (1), a matching ring (2) is arranged on the outer side of the intermediate pipe (1), a protection box (7) is arranged in the intermediate pipe (1), the protection box (7) is fixedly connected with the inner wall of the intermediate pipe (1) through a plurality of groups of uniformly distributed connecting rods, the upper side wall and the lower side wall of the protection box (7) are jointly and rotatably connected with a rotating rod (8), the rotating rod (8) is arranged along the axis of the intermediate pipe (1), the rotating rod (8) penetrates through the protection box (7), an adjusting rod (4) is rotatably connected on the side wall of the intermediate pipe (1), the adjusting rod (4) penetrates through the intermediate pipe (1) and the side wall of the protection box (7) and is fixedly connected with a first helical gear (5), and a second helical gear (6) meshed with the first helical gear (5) is fixedly sleeved on the rotating rod (8), the rotating rod (8) is symmetrically provided with thread parts, the thread parts are in threaded connection with corresponding thread sleeves (9), and each thread sleeve (9) is fixedly connected with the corresponding shrinkage head (3) through a corresponding ejection device.

2. A length adjustable extra-length tetragonal system for automotive inserts as claimed in claim 1, wherein: every ejecting device all includes multiunit ejector pin (10), multiunit ejector pin (10) one end fixed connection is on thread bush (9) lateral wall, and ejector pin (10) keep away from the one end and the first (3) end wall fixed connection that contracts of thread bush (9), fixedly connected with position symmetry's gag lever post (12) on the thread bush (9) lateral wall, the spacing groove that matches with gag lever post (12) is seted up to intermediate tube (1) inner wall.

3. A length adjustable extra-length tetragonal system for automotive inserts as claimed in claim 2, wherein: each ejector rod (10) is far away from one end of the threaded sleeve (9) and is fixedly connected with a corresponding ejector block (11), and the diameter of each ejector block (11) is larger than that of each ejector rod (10).

4. A length adjustable extra-length tetragonal system for automotive inserts as claimed in claim 1, wherein: the inner wall of the middle pipe (1) is provided with a plurality of groups of symmetrical sliding grooves, one end of the side wall of each contraction head (3), which is close to the middle pipe (1), is fixedly connected with a corresponding vertical sliding block (14), and the vertical sliding blocks (14) are in sliding connection with corresponding vertical sliding grooves (13).

5. A length adjustable extra-length tetragonal system for automotive inserts as claimed in claim 1, wherein: and the openings at the two ends of the middle pipe (1) are provided with matched sealing gaskets, and the sealing gaskets are abutted against the side wall of the contraction head (3).

6. A length adjustable extra-length tetragonal system for automotive inserts as claimed in claim 1, wherein: one end of the adjusting rod (4) far away from the first bevel gear (5) is fixedly connected with a rotating handle, and the surface of the rotating handle is wrapped with a layer of soft sponge.