CN210383004U - Pull rod and draw-bar box - Google Patents

Pull rod and draw-bar box Download PDF

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Publication number
CN210383004U
CN210383004U CN201920487929.XU CN201920487929U CN210383004U CN 210383004 U CN210383004 U CN 210383004U CN 201920487929 U CN201920487929 U CN 201920487929U CN 210383004 U CN210383004 U CN 210383004U
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China
Prior art keywords
lateral wall
nail
inner tube
pull rod
tube
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CN201920487929.XU
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Chinese (zh)
Inventor
黄得玉
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Zhengzhou Pihuang Furniture Co ltd
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Zhengzhou Pihuang Furniture Co ltd
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Abstract

The utility model provides a pull rod, includes the outer tube of bottommost, sliding connection has first inner tube in the outer tube, and the outside at first inner tube is established to the outer pipe box, and the lateral wall that is used for wearing to establish the nail in the lateral wall of outer tube is called the drift bolt lateral wall, and the lateral wall relative with drift bolt lateral wall position on the first inner tube is called first lateral wall, on the cross section of pull rod, is equipped with between first lateral wall and the drift bolt lateral wall and holds the nail space of holding that the nail head got into, and first lateral wall is equipped with inward sunken holding in holding nail space department. The utility model discloses a setting holds the nail space, can be when fixed pull rod, avoid the tip of nail to pass the inside of outer tube, the head of nail hinders pulling out and the withdrawal of second festival pull rod.

Description

Pull rod and draw-bar box
Technical Field
The utility model belongs to the technical field of the travel supplies and specifically relates to a draw-bar box is related to.
Background
The draw rod of the draw-rod box is divided into a plurality of sections, wherein the lowermost end is called an outer tube, and other sections are inserted into the outer tube in sequence. Typically two or three. The second section is inserted into the outer tube and the third section is inserted into the second section.
When the existing draw-bar box is manufactured, an outer tube is generally fixed on the rear wall of a box body of the draw-bar box through an upper support, an inner support and a bottom support.
In addition, the draw-bar box is generally divided into two types, one type is to adopt a zipper mode to seal the box opening, and the box opening of the box body is soft and inconvenient to use. The other is a metal box, which does not occur because of its hard material.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pull rod and draw-bar box facilitates the fixed pull rod of use nail during the preparation.
The technical scheme of the utility model is that:
the utility model provides a pull rod, includes the outer tube of bottommost, sliding connection has first inner tube in the outer tube, and the outside at first inner tube is established to the outer pipe box, and the lateral wall that is used for wearing to establish the nail in the lateral wall of outer tube is called the drift bolt lateral wall, and the lateral wall relative with drift bolt lateral wall position on the first inner tube is called first lateral wall, on the cross section of pull rod, is equipped with between first lateral wall and the drift bolt lateral wall and holds the nail space of holding that the nail head got into, and first lateral wall is equipped with inward sunken holding in holding nail space department.
The cross-sectional shape of the outer side surface of the first side wall of the first inner pipe is a circular arc shape which is concave towards the inner side of the first inner pipe.
The cross section of the outer side surface of the first side wall of the first inner pipe is in a shape that the middle section is in a circular arc shape.
The cross-sectional shape of the outer side surface of the first inner tube is concave.
The cross section of the outer side surface of the first inner tube is in an I shape.
The cross section of the outer side of the first inner tube is in a dumbbell shape with two wide ends and a narrow middle.
The size and the shape of the outer cross section of the first inner pipe are matched with those of the inner cross section of the outer pipe.
The other inner tubes connected to the first inner tube have the same sectional shape as the first inner tube.
The utility model provides a pull rod, includes the outer tube of bottommost, and sliding connection has first inner tube in the outer tube, and the outside at first inner tube is established to the outer tube cover, and one of them side wall of outer tube is called and extends the lateral wall, and the front side that extends the lateral wall is equipped with the drift bolt lateral wall, is equipped with the interval between drift bolt lateral wall and the extension lateral wall, has the nail space of holding that the nail head got into between drift bolt lateral wall and the extension lateral wall, and the outer tube lateral wall that extends the lateral wall left and right sides extends to the drift bolt.
The utility model provides a draw-bar box, includes the pull rod, and the pull rod includes the outer tube of bottommost, and sliding connection has first inner tube in the outer tube, and the outer tube is located the outside of first inner tube, and the lateral wall of preparing to wear to establish the nail in the lateral wall of outer tube is called the drift bolt lateral wall, and the lateral wall corresponding with drift bolt lateral wall position on the first inner tube is called first lateral wall, on the cross section of pull rod, is equipped with the nail space that holds the nail head entering between first outer wall and the drift bolt lateral wall, and first lateral wall is being equipped with inward sunken holding in nail space department, the pull rod is installed to the inboard of draw-bar box tank wall, the position that the outside of draw-bar box tank wall corresponds the pull rod is equipped.
The utility model discloses a setting holds the nail space, can be when fixed pull rod, avoid the tip of nail to pass the inside of outer tube, the head of nail hinders pulling out and the withdrawal of second festival pull rod. The nail holding space can hold the nail head, the pulling-out and retracting of the pull rod cannot be influenced, and the manufacturing difficulty is greatly reduced. Meanwhile, the connection strength between the pull rod and the pull rod box body is enhanced. When the cross-sectional shape of the front side wall of the pull rod adopts an arc, the strength of the pull rod is enhanced compared with the original shape.
The lining strips are adopted at the opening of the draw-bar box, so that the strength of the opening of the draw-bar box can be effectively increased, the opening of the original zipper-type draw-bar box is very soft and is not easy to control by people, and the deformation of the opening of the box is serious when the draw-bar box is opened. The lining strip can make the opening become a whole, is not easy to deform and is convenient for people to open and close.
Drawings
FIG. 1 is a schematic view of an outer pipe and a first inner pipe of example 1 of the present invention in a cross section having a shape 1;
FIG. 2 is a schematic view of a first inner tube having a cross-section of shape 2;
FIG. 3 is a schematic view of a first inner tube having a cross-section of shape 3;
FIG. 4 is a schematic view of a first inner tube having a cross-section of shape 4;
FIG. 5 is a schematic view of a first inner tube with a cross-section of shape 5;
FIG. 6 is a schematic view of example 2;
FIG. 7 is a schematic structural view of a draw-bar box according to embodiment 3;
FIG. 8 is a schematic cross-sectional view of the draw-bar box at the opening;
fig. 9 is a schematic view of the construction of the underwire and the side walls of the draw-bar box.
Detailed Description
Example 1
As shown in fig. 1, a pull rod comprises an outer tube 2 at the bottommost part, a first inner tube 1 is slidably connected in the outer tube 2, the outer tube 2 is located outside the first inner tube 1, a side wall, which is used for penetrating a nail 6, in the side wall of the outer tube 2 is called a nailing side wall 3, a side wall, which corresponds to the position of the nailing side wall 3, on the first inner tube 1 is called a first side wall 4, a nail accommodating space 5 (nail accommodating cavity) for accommodating the head of the nail 6 is arranged between the first side wall 4 and the nailing side wall 3 on the cross section of the pull rod, and an inward recess 7 is arranged at the nail accommodating space 5 on the first side wall 4. The four corners of the first inner tube 1 slide along the four corners of the inside of the outer tube 2, being restricted by it to move only up and down. A second inner pipe is also connected in the first inner pipe 1 in a sliding way, and the section shape of the second inner pipe is matched with that of the first inner pipe 1. The nail 6 may be a screw or rivet or other nail.
The cross-sectional shape of the first sidewall 4 is divided into the following shapes:
shape 1 As shown in FIG. 1, the cross-sectional shape of the first side wall 4 is a circular arc shape concave toward the inside of the first inner pipe 1. Such a change in shape does not affect the overall strength of the first inner tube 1, nor does it affect the vertical sliding.
Shape 2 as shown in fig. 2, the difference from shape 1 is that the first side wall 4 has a cross-sectional shape with a middle circular arc so long as it can accommodate the head of a nail drilled into the nailing side wall 3.
Shape 3 As shown in FIG. 3, the cross-sectional shape of the inner side of the outer tube 2 is rectangular, and the cross-sectional shape of the first inner tube 1 is inverted concave. Similar to shape 2, slightly different when used.
And 4, as shown in figure 4, the cross section of the inner side of the outer pipe 2 is rectangular, and the cross section of the first inner pipe 1 is I-shaped. Two nail containing spaces 5 are formed between the outer side face of the first outer wall 4 and the inner side face of the nail penetrating side wall 3, and the nail penetrating side wall 4 can be any one. But only one of them may be selected as the nail-receiving space 5 in use.
Shape 5 As shown in figure 5, the cross section of the first inner tube 1 is dumbbell-shaped with two large ends and gradually narrowed middle, and two nail containing spaces 5 are formed between the outer tube 2 and the first inner tube 1. Although there are two corresponding recesses, similar to shape 1, in use only one side recess is used for the piercing pin, but such a shape has the advantage that it can be made on either side, similar to the "I" shape.
In the above shapes 1-5, the cross section of the outer tube 2 is rectangular, and the size and shape of the outer cross section of the first inner tube 1 are matched with the size and shape of the inner cross section of the outer tube 2. Specifically, the outer tube 2 has four corners, four corners are also arranged on the first inner tube 1 correspondingly, and the four corners of the outer tube 2 are matched with the four corners of the first inner tube 1 in position and shape.
Example 2
As shown in fig. 6 and 7, a pull rod comprises an outer tube 2 at the bottommost part, a first inner tube 1 is slidably connected in the outer tube 2, the outer tube 2 is sleeved outside the first inner tube 1, one side wall of the outer tube 2 is called as an extension side wall 8, a through-nail side wall 3 is arranged on the front side of the extension side wall 8, a space is arranged between the through-nail side wall 3 and the extension side wall 8, a nail accommodating space 5 for accommodating a nail head to enter is arranged between the through-nail side wall 3 and the extension side wall 8, and outer tube side walls 9 on the left side and the right side of the extension side wall 8 extend forwards to the through-nail side wall 3, so that side walls.
Example 3
The utility model provides a draw-bar box, outer tube 2 including the bottommost, sliding connection has first inner tube 1 in outer tube 2, outer tube 2 is located the outside of first inner tube 1, wear to establish the lateral wall of nail 6 in the lateral wall of outer tube 2 and call as drift bolt lateral wall 3, the lateral wall corresponding with drift bolt lateral wall 3 positions on the first inner tube 1 calls as first lateral wall 4, on the cross section of pull rod, be equipped with between first outer wall 4 and the drift bolt lateral wall 3 and hold the nail space 5 of holding that 6 heads of nail got into, first lateral wall 4 is equipped with inward sunken 7 holding nail space 5 department.
As shown in fig. 8, during manufacture, the nail 6 is inserted through the draw-bar box side wall 10, then enters the nailing side wall 3 and passes through, and finally the head of the nail is positioned in the nail accommodating space 5 and does not pass through the first side wall 4 to obstruct the use of the draw-bar.
As shown in FIG. 9, the inside of the draw-bar box wall 10 at the draw-bar box opening 12 is fitted with a draw-bar, the opening 12 typically being a zipper. The outer side of the draw-bar box wall 10 corresponding to the draw bar is provided with a hard lining strip 11 for through nailing. The lining strip 11 is made of metal, glass fiber or carbon fiber.
The underwire 11 is driven through the underwire 11 and the draw-bar box side wall 10 by rivets or nails, and the underwire 11 is then secured to the draw-bar side wall 10. The strip 11 may be further fastened to the side walls 10 of the trolley case by riveting, gluing, etc.

Claims (10)

1. The utility model provides a pull rod, includes the outer tube of bottommost, and sliding connection has first inner tube in the outer tube, and the outside at first inner tube is established to the outer pipe box, its characterized in that: the lateral wall that is used for wearing to establish the nail in the lateral wall of outer tube is called the drift bolt lateral wall, and the lateral wall relative with drift bolt lateral wall position on the first inner tube is called first lateral wall, on the cross section of pull rod, is equipped with between first lateral wall and the drift bolt lateral wall and holds the nail space of holding that the nail head got into, and first lateral wall is equipped with inward sunken holding nail space department.
2. The tie rod of claim 1, wherein: the cross-sectional shape of the outer side surface of the first side wall of the first inner pipe is a circular arc shape which is concave towards the inner side of the first inner pipe.
3. The tie rod of claim 1, wherein: the cross section of the outer side surface of the first side wall of the first inner pipe is in a shape that the middle section is in a circular arc shape.
4. The tie rod of claim 1, wherein: the cross-sectional shape of the outer side surface of the first inner tube is concave.
5. The tie rod of claim 1, wherein: the cross section of the outer side surface of the first inner tube is in an I shape.
6. The tie rod of claim 1, wherein: the cross section of the outer side of the first inner tube is in a dumbbell shape with two wide ends and a narrow middle.
7. The tie rod of claim 1, wherein: the size and the shape of the outer cross section of the first inner pipe are matched with those of the inner cross section of the outer pipe.
8. The tie rod according to any one of claims 2 to 6, wherein: the other inner tubes connected to the first inner tube have the same sectional shape as the first inner tube.
9. The utility model provides a pull rod, includes the outer tube of bottommost, and sliding connection has first inner tube in the outer tube, and the outside at first inner tube is established to the outer pipe box, its characterized in that: the lateral wall of one side of the outer pipe is called as an extension lateral wall, the front side of the extension lateral wall is provided with a through-nail lateral wall, a space is arranged between the through-nail lateral wall and the extension lateral wall, a nail containing space for containing the head of a nail to enter is arranged between the through-nail lateral wall and the extension lateral wall, and the lateral walls of the outer pipe at the left side and the right side of the extension lateral wall extend forwards to the through-nail lateral.
10. The utility model provides a draw-bar box, includes the pull rod, its characterized in that, the pull rod includes the outer tube of bottommost, and sliding connection has first inner tube in the outer tube, and the outer tube is located the outside of first inner tube, and the lateral wall of preparing to wear to establish the nail in the lateral wall of outer tube is called the drift bolt lateral wall, and the lateral wall corresponding with drift bolt lateral wall position on the first inner tube is called first lateral wall, on the cross section of pull rod, is equipped with between first outer wall and the drift bolt lateral wall and holds the nail space of holding that the nail head got into, and first lateral wall is equipped with inside sunken holding nail space department, the pull rod is installed to the inboard of draw-bar box tank wall, the position that the outside of draw-bar box tank wall corresponds the pull rod is equipped with the.
CN201920487929.XU 2019-04-11 2019-04-11 Pull rod and draw-bar box Active CN210383004U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920487929.XU CN210383004U (en) 2019-04-11 2019-04-11 Pull rod and draw-bar box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920487929.XU CN210383004U (en) 2019-04-11 2019-04-11 Pull rod and draw-bar box

Publications (1)

Publication Number Publication Date
CN210383004U true CN210383004U (en) 2020-04-24

Family

ID=70337832

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920487929.XU Active CN210383004U (en) 2019-04-11 2019-04-11 Pull rod and draw-bar box

Country Status (1)

Country Link
CN (1) CN210383004U (en)

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