CN207647941U - A kind of fixing device - Google Patents

Abstract

The utility model discloses a kind of fixing devices comprising the first object, first object are equipped with a through-hole；The screw rod of bolt, the bolt runs through the through-hole；Fixed plate, the fixed plate is blocked the head of the bolt and is fixed on first object by fastener, to prevent the bolt from falling off from first object.The invention also discloses a kind of fixing devices comprising the first object, first object are equipped with a through-hole；Fixed plate, the fixed plate are equipped with a trepanning；Flange nut, the flange nut partially passes through the trepanning, and the washer outer diameter of the flange nut makes the washer of the flange nut be stuck in the fixed plate to prevent the flange nut from falling off more than the aperture of the trepanning.The utility model embodiment can prevent it from falling off and cause security risk to the equipment in cabinet, improve the safety of equipment by adding a fixed plate to bolt or flange nut.

Description

A kind of fixing device

Technical field

The utility model is related to electrical equipment cabinet cabinet structure technical field more particularly to a kind of fixing devices.

Background technology

Currently, in electrical equipment field, each component in equipment and between babinet be typically by fastener come It is fixed, however fastener is often lost or is fallen to inside equipment in use, causes security risk, cleaning is very Trouble.The prior art solves the problems, such as that riveting is usually used in this or the mode of welding fixes fastener, electrical equipment machine The nut of big model is needed to connect dependency structure or device using the plank not sprayed in punch-out equipment cabinet, but riveting method is directed to M8 The above intensity of nut model is just inadequate, and torque requiremnt is not achieved, is easy to fall off；And welded nut is used, plate surface can be destroyed Quality, postwelding also need to coat similar color at solder joint, and technique is more complex, influences appearance.

In consideration of it, it is necessary to provide a kind of fixing devices to solve the above problems.

Utility model content

The utility model embodiment provides a kind of fixing device, fastener can be fixed to prevent it from falling off to machine Equipment in case causes security risk, improves safety.

On the one hand, the utility model embodiment provides a kind of fixing device comprising：First object, first object Body is equipped with a through-hole；The screw rod of bolt, the bolt runs through the through-hole；Fixed plate, the fixed plate block the bolt Head and be fixed on first object by fastener, to prevent the bolt from falling off from first object.

Further, the fixed plate includes U-shaped supporting part and the interconnecting piece for being connected to U-shaped supporting part both sides, The head of the bolt is contained in the U-shaped supporting part, and two interconnecting pieces are tightly attached to first object and by described Fastener is fixed on first object.

Further, the bolt is square neck bolt, and the through-hole is square through hole, and the square neck of the bolt is embedded in To in the square through hole to prevent the bolt from being rotated relative to first object.

Further, the height of the U-shaped supporting part is equal with the height on the head of the bolt so that the U-shaped carrying Withstand the head of the bolt in portion.

Further, fixed plate is integrally formed.

On the other hand, the utility model embodiment additionally provides another fixing device comprising：First object, it is described First object is equipped with a through-hole；Fixed plate, the fixed plate are equipped with a trepanning；Flange nut, the flange nut part Across the trepanning, and the washer outer diameter of the flange nut makes the washer of the flange nut more than the aperture of the trepanning It is stuck in prevent the flange nut from falling off in the fixed plate, the fixed plate is fixed on first object by fastener On.

Further, the fixed plate includes U-shaped supporting part and the interconnecting piece for being connected to U-shaped supporting part both sides, The height of the U-shaped supporting part is less than the height of the flange nut, and the trepanning is set on the U-shaped supporting part, described in two Interconnecting piece is tightly attached to first object and is fixed on first object by the fastener.

Further, the trepanning is rectangular opening, and between the length of short sides of the rectangular opening and the opposite side of the flange nut Distance equal prevent its rotation to block the flange nut.

Further, the length of long sides of the rectangular opening and the flange nut diagonally at a distance from it is equal to prevent Flange nut is stated to move along the long side direction of the rectangular opening.

Further, the fixed plate is integrally formed.

Compared with prior art, the utility model has the beneficial effects that：The utility model is set by that will need to be fixed in advance The screw rod of standby upper bolt runs through the through-hole being set on the first object, with the head of fixed plate catch plug and will by fastener Fixed plate is fixed on the first object, to prevent bolt falling from causing security risk to equipment；The utility model will be also by that will need The flange nut being fixed in equipment in advance partially passes through the trepanning in fixed plate, is opened since the washer outer diameter of flange nut is more than The aperture in hole makes the washer of flange nut be stuck in fixed plate, and fixed plate is fixed by fastener on the first object, to prevent Only flange nut falls off causes security risk to equipment, improves the safety of equipment.

Description of the drawings

It is required in being described below to embodiment to make in order to illustrate more clearly of the utility model embodiment technical solution Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model, for For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings Attached drawing.

Fig. 1 is the structural decomposition diagram for the fixing device that the utility model embodiment provides；

Fig. 2 is the side view after fixing device assembly shown in FIG. 1；

Fig. 3 is the structural decomposition diagram for the fixing device that another embodiment of the utility model provides；

Fig. 4 is the side view before fixing device assembly shown in Fig. 3；

Fig. 5 is the back schematic diagram of fixing device shown in Fig. 3；

Fig. 6 illustrates the use state of the fixing device；

Fig. 7 illustrates the use state of the fixing device.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model It clearly and completely describes, it is clear that described embodiment is the utility model a part of the embodiment, rather than whole implementation Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

It should be appreciated that ought use in this specification and in the appended claims, term " comprising " and "comprising" instruction Described feature, entirety, step, operation, the presence of element and/or component, but one or more of the other feature, whole is not precluded Body, step, operation, element, component and/or its presence or addition gathered.

It is also understood that in this utility model term used in the description merely for the sake of description specific embodiment Purpose and be not intended to limit the utility model.As used in the utility model specification and appended book Like that, other situations unless the context is clearly specified, otherwise " one " of singulative, "one" and "the" are intended to include plural number Form.

It will be further appreciated that the term that is used in the utility model specification and appended book " and/ Or " refer to one or more of associated item listed any combinations and all possible combinations, and include these groups It closes.

Referring to figs. 1 to Fig. 2, fixing device provided in this embodiment includes：First object 10, bolt 20 and fixed plate 30.Wherein, first object 10 is equipped with a through-hole 11；The screw rod 21 of the bolt 20 runs through the through-hole 11；It is described solid Fixed board 30 blocks the head 23 of the bolt 20 and is fixed on first object 10 by fastener 40, to prevent the spiral shell Bolt 20 falls off from first object 10.It designs through the above structure, the bolt 20 can be limited in first object On body 10, prevent it from falling off and causing a hidden trouble to equipment.

In one embodiment, such as in the present embodiment, the fixed plate 30 includes U-shaped supporting part 31 and is connected to described The head 23 of the interconnecting piece 32 of 31 both sides of U-shaped supporting part, the bolt 20 is contained in the U-shaped supporting part 31, two companies Socket part 32 is tightly attached to first object 10 and is fixed on first object 10 by the fastener 40.In the present embodiment In, first object 10 is Sheet Metal Part, is cabinet or the common structural member of cabinet, the fastener in electrical equipment 40 can be bolt and nut cooperation, can also be other fasteners, the fixed plate 30 is integrally formed, such as be may be used Punching press is carried out to metal sheet and is formed, facilitates production, structure also more secured.

In one embodiment, such as in the present embodiment, the bolt 20 is square neck bolt, and the through-hole 11 is rectangular logical The square neck 22 in hole, the bolt 20 is embedded into prevent its rotation in the square through hole, to facilitate installation.

In one embodiment, such as in the present embodiment, the height of the U-shaped supporting part 31 and the head 23 of the bolt 20 Height it is equal so that the U-shaped supporting part 31 withstands the head 23 of the bolt 20 so that the screw rod 21 of the bolt 20 is complete Portion is exposed, and further fixes the bolt 20, facilitates user installation.

In one embodiment, such as in the present embodiment, when being assembled with other component, it is only necessary in first object 10 Other side nut and the bolt 20 screw togather, it is simple to operate, be particularly suitable for compact-sized, the electricity of narrow space In gas equipment.

The fixing device that the utility model embodiment is provided consolidates it by adding a fixed plate to square neck bolt Calmly, when installation that the screw rod of square neck bolt is through the square through hole of first object and embedding by the square neck of square neck bolt Enter into the square through hole of the first object, then the head of square neck bolt is withstood with fixed plate and fixed plate is consolidated by fastener It is scheduled on the first object, square neck bolt is fixed to prevent it from falling off with this, to avoid causing security risk to equipment, Improve the safety of equipment.

With reference to Fig. 3 to Fig. 5, the utility model also provides the fixing device of another embodiment comprising：First object 10, Flange nut 20 and fixed plate 30.Wherein, first object 10 is equipped with a through-hole 11, and the fixed plate 30 is equipped with one Trepanning 33, the flange nut 20 partially passes through the trepanning 33, and 51 outer diameter of washer of the flange nut 50 is more than described The aperture of trepanning 33 makes the washer 51 of the flange nut 50 be stuck in the fixed plate 30 to prevent the flange nut 50 It falls off, the fixed plate 30 is fixed on by fastener 40 on first object 10, is designed through the above structure, can be by institute It states flange nut 50 to be limited on first object 10, prevents it from falling off and security risk is caused to equipment, improve equipment Safety.

In one embodiment, such as in the present embodiment, the fixed plate 30 includes U-shaped supporting part 31 and is connected to described The interconnecting piece 32 of 31 both sides of U-shaped supporting part, the height of the U-shaped supporting part 31 is less than the height of the flange nut 50, described Trepanning 33 is set on the U-shaped supporting part 31, and two interconnecting pieces 32 are tightly attached to first object 10 and by the fastening Part 40 is fixed on first object 10.In the present embodiment, first object 10 is Sheet Metal Part, electrically to set For the structural member that middle cabinet or cabinet are common, the fastener 40 can be bolt and nut cooperation, can also be other fasteners, The fixed plate 30 is integrally formed, such as may be used and metal sheet is carried out punching press and formed, and facilitates production, structure It is more secured.

In one embodiment, such as in the present embodiment, the trepanning 33 is rectangular opening, and sides short side 33a of the rectangular opening It is long between the opposite side of the flange nut 50 at a distance from it is equal prevent its rotation to block the flange nut 50, to convenient User installation, when installation the opposite side of the flange nut 50 correspond to the long side 33b of the rectangular opening and pass through the trepanning 33.

In one embodiment, such as in the present embodiment, the long side 33b length of sides and the flange nut 50 of the rectangular opening Distance diagonally is equal to prevent the flange nut 50 from being moved along the directions long side 33b of the rectangular opening, facilitates user Installation.

In one embodiment, such as in the present embodiment, as shown in Figure 6, Figure 7, when being assembled with other component, described first The other side bolt of object 10 and 50 spiral shell of the flange nut and fixation, drive the flange nut 50 to rise, make when screwing togather The flange nut 50 is obtained to be tightly attached on first object 10 to complete to assemble.

The fixing device that the utility model embodiment is provided consolidates it by adding a fixed plate to flange nut Calmly, the opposite side of flange nut is corresponded to the long side of rectangular opening in fixed plate when installation, the diagonal corresponding rectangular opening of flange nut Short side passes through the trepanning of fixed plate, since the outer diameter of the washer of flange nut is more than the trepanning of fixed plate, the washer of flange nut It can be stuck in fixed plate, flange nut, which is fixed in fixed plate, with this is prevented it from falling off and causes security risk to equipment, Improve the safety of equipment.

Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in various Equivalent modifications or substitutions, these modifications or substitutions should be covered within the scope of the utility model.Therefore, this practicality Novel protection domain should be subject to the protection scope in claims.

Claims (10)

1. a kind of fixing device, which is characterized in that including：

First object, first object are equipped with a through-hole；

The screw rod of bolt, the bolt runs through the through-hole；

Fixed plate, the fixed plate are blocked the head of the bolt and are fixed on first object by fastener, to prevent Only the bolt falls off from first object.

2. fixing device according to claim 1, which is characterized in that the fixed plate includes U-shaped supporting part and connection The head of interconnecting piece in U-shaped supporting part both sides, the bolt is contained in the U-shaped supporting part, two interconnecting pieces It is tightly attached to first object and is fixed on first object by the fastener.

3. fixing device according to claim 2, which is characterized in that the bolt is square neck bolt, and the through-hole is side The square neck of shape through-hole, the bolt is embedded into the square through hole to prevent relatively described first object of the bolt from turning It is dynamic.

4. fixing device according to claim 3, which is characterized in that the height of the U-shaped supporting part and the bolt The height on head is equal so that the U-shaped supporting part withstands the head of the bolt.

5. fixing device according to claim 1, which is characterized in that the fixed plate is integrally formed.

6. a kind of fixing device, which is characterized in that including：

First object, first object are equipped with a through-hole；

Fixed plate, the fixed plate are equipped with a trepanning；

Flange nut, the flange nut partially passes through the trepanning, and the washer outer diameter of the flange nut is more than described open The aperture in hole makes the washer of the flange nut be stuck in prevent the flange nut from falling off in the fixed plate, the fixation Plate is fixed on by fastener on first object.

7. fixing device according to claim 6, which is characterized in that the fixed plate includes U-shaped supporting part and connection Interconnecting piece in U-shaped supporting part both sides, the height of the U-shaped supporting part is less than the height of the flange nut, described to open Hole is set on the U-shaped supporting part, and two interconnecting pieces are tightly attached to first object and are fixed on institute by the fastener It states on the first object.

8. fixing device according to claim 6, which is characterized in that the trepanning is rectangular opening, and the rectangular opening is short The side length of side between the opposite side of the flange nut at a distance from equal prevent its rotation to block the flange nut.

9. fixing device according to claim 8, which is characterized in that the length of long sides of the rectangular opening and the flange spiral shell Female distance diagonally is equal to prevent the flange nut from being moved along the long side direction of the rectangular opening.

10. fixing device according to claim 6, which is characterized in that the fixed plate is integrally formed.