CN217197772U

CN217197772U - Box-shaped part fixing structure

Info

Publication number: CN217197772U
Application number: CN202220851367.4U
Authority: CN
Inventors: 陈相奇; 熊亮; 曹雅雯; 高翔; 王宇恒; 李万里; 徐畅
Original assignee: Xuzhou Xugong Port Machinery Co ltd
Current assignee: Xuzhou Xugong Port Machinery Co ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-08-16
Anticipated expiration: 2032-04-14

Abstract

The utility model discloses a box spare part fixed knot constructs, including installation base, clamp plate, double threaded screw and nut, the installation base is used for placing box spare part, and the clamp plate is used for restricting the degree of freedom of box spare part, fixes box spare part, and double threaded screw and nut are used for realizing that fixed establishment's presss from both sides tightly. The utility model discloses a combination of installation base, double threaded screw and clamp plate can realize the restriction to all degrees of freedom of box spare part, with box spare part complete fixation, does not have between each fixed component and interferes, and is rational in infrastructure, and the reliability is high. The used pressing plate has small and exquisite structure and convenient assembly and disassembly, only one double-head screw and one nut are needed for clamping elements, the number of the used elements is small, the manufacturing cost is low, and the occupied space is small.

Description

Box-shaped part fixing structure

Technical Field

The utility model relates to a box spare part fixed knot constructs belongs to engineering machine tool technical field.

Background

When box-shaped parts of engineering machinery, such as an oil tank, a water tank, a storage battery and the like are installed, a binding type is mostly adopted at present, namely, the box-shaped parts, a tray and a vehicle body are fixed together through a fixed pressing plate and a double-headed screw, so that the reliability is poor, and the assembly performance is poor. At present, the space in the engineering machinery body is limited, and a side protective guard and various hydraulic elements are arranged, so that the operation space of an operator is limited in the installation and later maintenance processes of box-shaped parts, and the installation and maintenance of the box-shaped parts are inconvenient.

The existing box-shaped parts have complex installation or fixing structure or structure, troublesome manufacture and high production or use cost; or poor reliability; or an additional mounting bracket or a supporting plate is needed, the occupied space is large, the use is inconvenient in a narrow mounting area, and the assembly performance is poor.

Disclosure of Invention

An object of the utility model is to overcome not enough among the prior art, provide a box spare part fixed knot and construct, simple structure is reasonable, simple to operate, and the reliability is high, uses spare part few, reduce cost.

In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:

a box-shaped part fixing structure comprises a mounting base, a pressing plate, a double-end screw and a nut;

the mounting base is used for placing the box-shaped parts, and a nut seat for positioning the box-shaped parts is arranged on the mounting base;

the pressing plate is arranged on the free side of the box-shaped component relative to the mounting base so as to limit the freedom degree of movement and rotation of the box-shaped component in the direction of the X, Y, Z shaft;

the double-end screw penetrates through the box-shaped part, one end of the double-end screw is connected with the nut seat, the other end of the double-end screw is fixed on the outer side of the pressing plate through the nut, and the box-shaped part is fixed, so that the whole structure is clamped.

Further, the pressing plate comprises a top baffle plate, a left side baffle plate, a right side baffle plate and a rear side baffle plate, the top baffle plate is arranged on the top surface of the box-shaped part, the left side baffle plate and the right side baffle plate are arranged on the first side surface of the box-shaped part, the rear side baffle plate is arranged on the second side surface of the box-shaped part, the first side surface and the second side surface are perpendicular to each other and perpendicular to the top surface, the pressing plate comprises the top baffle plate, the left side baffle plate, the right side baffle plate and the rear side baffle plate which are respectively arranged on the opposite side and the adjacent side of the box-shaped part relative to the mounting base, and the top baffle plate, the left side baffle plate and the right side baffle plate are connected with the rear side baffle plate to form constraint on the box-shaped part in three directions.

Specifically, the top baffle comprises a top center baffle and a top side baffle, and the projections in the vertical direction are respectively positioned at the center and two ends of the top surface of the box-type part; the left side baffle and the right side baffle are provided with two groups and symmetrically arranged on two parallel first side surfaces of the box-shaped part.

Still further, a baffle hole is arranged on the top center baffle plate to allow the double-headed screw to pass through. The pressing plate exerts three-direction forces on the box-shaped component under the action of the double-head screw, and the moving and rotating freedom degrees of the box-shaped component in the direction of the X, Y, Z shaft are limited, so that the box-shaped component is completely fixed.

Furthermore, the double-threaded screws are obliquely installed, and only one double-threaded screw is used for clamping in the fixing structure, so that multi-dimensional fastening force can be formed on the box-shaped parts, the installation space of the box-shaped parts is saved, and the trouble caused by the installation of the box-shaped parts due to the fact that the installation space is too small is avoided; meanwhile, the number of other parts in the fixed structure is reduced, and the production cost is reduced.

Still further, the part that the clamp plate is connected with the double-end screw is provided with the bellying that suits with the double-end screw gradient, restricts the drunkenness of double-end screw better.

Furthermore, the nut seat is detachably and fixedly connected with the mounting base, and the nut seat can be assembled on the mounting base as an independent part, so that the nut seat is convenient to disassemble, assemble, replace or maintain.

Furthermore, a nut hole connected with the double-head screw is formed in the nut seat, so that the nut seat is in threaded connection with the double-head screw, and reliability is improved.

Furthermore, rubber pads are arranged between the contact parts of the mounting base and the box-shaped part and between the contact parts of the pressing plate and the box-shaped part, so that damage to the box-shaped part caused by vibration in the operation process of the engineering machinery can be effectively reduced, and the safety in the mounting area of the box-shaped part is improved.

Compared with the prior art, the utility model discloses the beneficial effect who reaches:

the utility model discloses a combination of installation base, double threaded screw and clamp plate can realize the restriction to all degrees of freedom of box spare part, and is fixed completely with box spare part, does not have between each fixed component to interfere, rational in infrastructure, the reliability is high. The used pressing plate has small and exquisite structure and convenient assembly and disassembly, only one double-head screw and one nut are needed for clamping elements, the number of the used elements is small, the manufacturing cost is low, and the occupied space is small.

Drawings

Fig. 1 is a schematic structural diagram of a box-shaped component fixing structure according to an embodiment of the present invention.

Fig. 2 is a sectional view taken along line a-a of fig. 1.

FIG. 3 is a schematic front view of a platen according to an embodiment.

FIG. 4 is a schematic top view of the platen according to the embodiment.

FIG. 5 is a schematic side view of the platen according to an embodiment.

In the figure: 1-mounting a base, 11-nut seats, 2-rubber pads, 3-pressing plates, 31-left and right side baffles, 32-top side baffles, 33-rear side baffles, 34-top central baffles and 35-baffle holes; 4-double-head screw, 5-nut, 6-box-shaped part.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. 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. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, 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 by those of ordinary skill in the art through specific situations.

A box-shaped component fixing structure shown in the overall structure diagram of figure 1 and the section diagram of figure 2 comprises a mounting base 1, a pressing plate 3, a double-thread screw 4 and a nut 5.

In this embodiment, the mounting base 1 is used for placing the box-shaped component 6, the mounting base 1 is provided with a nut seat 11 for positioning the box-shaped component 6, and a nut hole is formed in the nut seat 11 and is in threaded connection with the double-threaded screw 4 through the nut hole. The nut seat 11 and the installation base 1 are detachably and fixedly connected, and the nut seat 11 can be assembled on the installation base 1 as an independent part, so that the disassembly, assembly, replacement or maintenance are facilitated. A rubber pad 2 is arranged between the contact part of the mounting base 1 and the box-shaped part 6, so that damage to the box-shaped part 6 caused by vibration in the operation process of the engineering machinery can be effectively reduced, and the safety in the mounting area of the box-shaped part 6 is improved.

In the present embodiment, the pressing plate 3 is provided on the free side of the box-shaped component 6 with respect to the mounting base 1, and a rubber pad 2 is provided between the contact portion of the pressing plate 3 and the box-shaped component 6 to protect the box-shaped component 6. As shown in fig. 3, the platen 3 of the present embodiment includes a top baffle plate, left and right side baffle plates 31, and a rear baffle plate 33, the top baffle plate is disposed on the top surface of the box-shaped component 6, the left and right side baffle plates 31 are disposed on a first side surface of the box-shaped component 6, the rear baffle plate 33 is disposed on a second side surface of the box-shaped component 6, the first side surface and the second side surface are perpendicular to each other and perpendicular to the top surface, and the top baffle plate and the left and right side baffle plates 31 are connected to the rear baffle plate 33 to form three-directional constraints on the box-shaped component 6. Specifically, the top baffle comprises a top center baffle 34 and a top side baffle 32, and the projections in the vertical direction are respectively positioned at the center and two ends of the top surface of the box-type part 6; the left and right side guards 31 are provided in two sets and symmetrically provided on two first side faces of the box-shaped component 6, which are parallel to each other. And a baffle hole 35 is formed in the top center baffle 34, so that the double-end screw 4 can pass through the baffle hole.

In the present embodiment, the double-headed screw 4 is inserted through the box-shaped component 6 and is obliquely installed, one end thereof is connected to the nut holder 11, and the other end thereof is fixed to the outside of the platen 3 by the nut 5, thereby fixing the box-shaped component 6 and clamping the entire structure. The part of clamp plate 3 and double-end screw 4 connection is equipped with the bellying that suits with double-end screw 4 gradient, restricts the drunkenness of double-end screw 4 better.

After the whole fixing structure is installed, the pressing plate 3 applies three-direction forces to the box-shaped part 6 under the action of the double-thread screw 4, so that the freedom of movement and rotation of the box-shaped part 6 in the direction of the X, Y, Z axis is limited, and the box-shaped part 6 is completely fixed. Meanwhile, the box-shaped part 6 tends to move towards the X, Y, Z shaft direction in the operation process of the engineering machinery, reaction force is generated on the pressing plate 3, the double-threaded screw 4 is also influenced by the reaction force, but because the two sides of the double-threaded screw 4 are fixed through threaded connection, the reaction force on the pressing plate 3 can improve the connection strength of the double-threaded screw 4 and the nut 5, and therefore the fixing structure has extremely high reliability.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims

1. A box-shaped part fixing structure is characterized by comprising a mounting base, a pressing plate, a double-end screw and a nut;

the pressing plate is arranged on the free side of the box-shaped part relative to the mounting base so as to limit the freedom degree of movement and rotation of the box-shaped part in the direction of the X, Y, Z shaft;

the double-end screw penetrates through the box-shaped part, one end of the double-end screw is connected with the nut seat, and the other end of the double-end screw is fixed on the outer side of the pressing plate through a nut to fix the box-shaped part.

2. The box part fixing structure according to claim 1, wherein the pressing plate includes a top plate, left and right side plates, and a rear plate, the top plate being disposed on the top surface of the box part, the left and right side plates being disposed on a first side surface of the box part, the rear plate being disposed on a second side surface of the box part, the first side surface and the second side surface being perpendicular to each other and to the top surface, the top plate and the left and right side plates being connected to the rear plate to form three-directional constraints on the box part.

3. The box part securing structure according to claim 2, wherein the top baffle includes a top center baffle and a top side baffle, respectively positioned at the center and both ends of the top surface of the box part in a vertical projection.

4. The box part fixing structure according to claim 3, wherein the top center baffle is provided with a baffle hole for a double-headed screw to pass through.

5. The box part fixing structure according to claim 2, wherein the left and right side fence plates are provided in two sets symmetrically disposed on two first side surfaces of the box part, the first side surfaces being parallel to each other.

6. The box part fixing structure according to claim 1, wherein the double-headed screw is installed obliquely.

7. The box part fixing structure according to claim 6, wherein a portion of the pressing plate connected to the double-headed screw is provided with a projection adapted to an inclination of the double-headed screw.

8. The box part fixing structure according to claim 1, wherein the nut holder is detachably and fixedly connected to the mounting base.

9. The box part fixing structure according to claim 1, wherein a nut hole to be connected to the double-headed screw is provided in the nut holder.

10. The box part fixing structure according to claim 1, wherein rubber pads are provided between the mounting base and the box part contact portion and between the pressing plate and the box part contact portion.