CN216212761U - Iron core fixing device and transformer - Google Patents

Abstract

The utility model relates to the technical field of transformers and discloses an iron core fixing device and a transformer. The iron core fixing device can ensure that a plurality of iron cores are arranged according to a preset interval during assembly at every time, so that the assembly precision of the plurality of iron cores and the assembly consistency of the transformer are ensured.

Description

Iron core fixing device and transformer

Technical Field

The utility model relates to the technical field of transformers, in particular to an iron core fixing device and a transformer.

Background

A transformer generally includes a plurality of cores, a core fixing device, and a housing, and the plurality of cores are fixed to the housing by the core fixing device. In the prior art, the iron core fixing device often provides clamping force along the length direction and the width direction of the iron core, so that a plurality of iron cores are assembled and fixed. However, the above fixing method cannot realize accurate positioning between a plurality of iron cores, and cannot ensure that the plurality of iron cores are arranged at a preset interval during assembly every time, so that the assembly consistency of the transformer is poor, and the performance of the transformer is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an iron core fixing device and a transformer, which can ensure that a plurality of iron cores are arranged according to a preset interval, thereby ensuring the assembly precision and the assembly consistency of the plurality of iron cores.

Therefore, the utility model adopts the following technical scheme:

the utility model provides an iron core fixing device for on being fixed in the casing with a plurality of iron cores, it is a plurality of the iron core sets up along first direction interval, iron core fixing device is configured to can follow second direction and third direction respectively and press from both sides tightly a plurality ofly the iron core, the second direction with the third direction all with first direction is perpendicular, iron core fixing device includes a plurality of spacing portions, spacing portion with the iron core one-to-one sets up, so that adjacent two distance between the iron core is for predetermineeing the interval.

As an iron core fixing device's preferred scheme, iron core fixing device includes two edges the clamping component that second direction interval set up, two clamping component can be close to each other, and is a plurality of with the centre gripping iron core, every all be equipped with a plurality of spacing draw-in grooves on the clamping component, it is a plurality of spacing draw-in groove with the iron core one-to-one sets up, two relative two on the clamping component spacing draw-in groove forms spacing portion, every the iron core homoenergetic joint in corresponding spacing portion.

As a preferable scheme of the iron core fixing device, the iron core fixing device further includes a first adjusting screw and a first nut, a first end of the first adjusting screw is disposed on one of the clamping assemblies, and a second end of the first adjusting screw can pass through the other clamping assembly and is in threaded fit with the first nut.

As an iron core fixing device's preferred scheme, clamping component includes the edge two holders that third direction interval set up, every all be provided with a plurality of L shape grooves on the holder, it is a plurality of L shape groove and a plurality of the iron core one-to-one sets up, two relative two on the holder the L shape groove forms spacing draw-in groove, every the iron core homoenergetic joint in corresponding in the spacing draw-in groove.

As a preferable scheme of the iron core fixing device, the clamping assembly further includes a second adjusting screw and a second nut, a first end of the second adjusting screw is disposed on one of the clamping members, and a second end of the second adjusting screw can pass through the other clamping member and is in threaded fit with the second nut.

As a preferable scheme of the iron core fixing device, a buffer member is arranged on the inner wall of the L-shaped groove.

As an iron core fixing device's preferred scheme, two the one end that the holder kept away from each other all is equipped with first reinforcement, first reinforcement is followed the second direction extends the setting, just first reinforcement can respectively with a plurality of iron core looks butt.

As a preferred scheme of the iron core fixing device, a through hole is formed in the clamping piece, and the iron core fixing device further comprises a connecting piece which can penetrate through the through hole and is fixed on the shell.

As a preferred scheme of iron core fixing device, the through-hole is the bar hole, just the bar hole is followed first direction or the third direction extends.

The utility model also provides a transformer which comprises a shell and a plurality of iron cores, wherein the iron cores are arranged at intervals along the first direction, and the transformer comprises the iron core fixing device which is used for fixing the iron cores on the shell.

The utility model has the beneficial effects that:

the utility model provides an iron core fixing device which is used for fixing a plurality of iron cores and comprises a plurality of limiting parts, wherein the limiting parts and the iron cores are arranged in a one-to-one correspondence mode, so that the distance between every two adjacent iron cores is a preset distance, and the iron core fixing device can ensure that the iron cores are arranged according to the preset distance, so that the assembly precision of the iron cores is ensured, and the assembly quality and the assembly consistency of a transformer are further ensured.

The utility model provides a transformer which comprises the iron core fixing device, a shell and a plurality of iron cores, wherein the iron core fixing device can fix the iron cores on the shell, and the transformer is good in assembling quality and assembling consistency.

Drawings

Fig. 1 is a schematic structural diagram of a transformer according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an iron core fixing device provided in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a clamping member according to an embodiment of the present invention.

In the figure:

1-a clamping assembly;

11-a clamp; a 111-L-shaped slot; 112-a through hole;

12-a second adjusting screw; 13-a first stiffener;

2-a first adjusting screw;

100-core fixture; 200-iron core; 300-shell.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.

As shown in fig. 1, the present embodiment provides a transformer, which includes a housing 300, a core fixing device 100, and a plurality of cores 200, wherein the plurality of cores 200 are disposed at intervals along a first direction, the core fixing device 100 is used to fix the plurality of cores 200 to the housing 300, and the transformer has good assembly quality and good assembly consistency.

Specifically, as shown in fig. 2 and fig. 3, the core fixing device 100 is configured to clamp the plurality of cores 200 along a second direction and a third direction, respectively, both the second direction and the third direction are perpendicular to the first direction, the core fixing device 100 includes a plurality of limiting portions, and the limiting portions are disposed in one-to-one correspondence with the cores 200, so that a distance between two adjacent cores 200 is a preset distance, thereby meeting the heat dissipation requirement of the cores 200. The iron core fixing device 100 can ensure that the plurality of iron cores 200 are arranged according to the preset intervals, so that the assembly precision of the plurality of iron cores 200 is ensured, and the assembly quality and the assembly consistency of the transformer are ensured.

It can be understood that, in the plurality of cores 200, the preset distance between two adjacent cores 200 may be the same or different, and may be set according to actual needs.

In the present embodiment, the first direction is a thickness direction of the core 200, the second direction is a vertical direction, and the third direction is a horizontal direction perpendicular to the first direction. Of course, the first direction, the second direction and the third direction are not limited to this, and may be set according to actual fixing requirements.

Preferably, the iron core fixing device 100 includes two clamping assemblies 1 arranged at intervals along the second direction, the two clamping assemblies 1 can be close to each other to clamp the plurality of iron cores 200, the assembly of the plurality of iron cores 200 can be facilitated, and the iron core fixing device can be applied to iron cores 200 with different cross-sectional dimensions, and has a wide application range; all be equipped with a plurality of spacing draw-in grooves on every clamping component 1, a plurality of spacing draw-in grooves set up with a plurality of iron core 200 one-to-one, and two relative spacing draw-in grooves form spacing portion on two clamping component 1, and every iron core 200 homoenergetic joint can guarantee that a plurality of iron cores 200 all arrange according to the interval of predetermineeing in the spacing portion that corresponds.

It should be noted that, the two opposite limiting slots on the two clamping assemblies 1 may be two opposite limiting slots, or may also be two limiting slots having a certain dislocation in the third direction, and the flexible setting may be performed according to actual needs, and this embodiment does not limit this.

It can be understood that the distance between two adjacent limiting parts on the clamping assembly 1 is equal to the preset distance. In addition, the inside wall of spacing draw-in groove can provide the limiting displacement along first direction to the iron core 200 that corresponds to make the distance between two adjacent iron cores 200 be for predetermineeing the interval, the interior diapire of spacing draw-in groove can with the iron core 200 butt that corresponds, in order to provide the clamping-force of second direction.

Illustratively, the core fixing device 100 further includes a first adjusting screw 2 and a first nut, a first end of the first adjusting screw 2 is disposed on one of the clamping assemblies 1, and a second end of the first adjusting screw 2 can pass through the other clamping assembly 1 and is screw-fitted into the first nut to provide a clamping force in a second direction to the plurality of cores 200. Of course, the connection manner of the two clamping assemblies 1 is not limited thereto, as long as the plurality of iron cores 200 can provide the clamping action in the second direction, and the present embodiment is not limited thereto.

The first end of the first adjusting screw 2 can also penetrate through the corresponding clamping component 1, and is fixed on one side of the corresponding clamping component 1, which is far away from the iron core 200, through a cap nut.

Optionally, the number of the first adjusting screws 2 is multiple, and the first nuts are arranged in one-to-one correspondence with the first adjusting screws 2, so as to improve the clamping reliability of the two clamping assemblies 1.

Preferably, clamping assembly 1 includes two holders 11 that set up along the third direction interval, all is provided with a plurality of L-shaped grooves 111 on every holder 11, and a plurality of L-shaped grooves 111 and a plurality of iron core 200 one-to-one set up, and two relative L-shaped grooves 111 form spacing draw-in groove on two holders 11, and every iron core 200 homoenergetic joint is in the spacing draw-in groove that corresponds. It can be understood that the inner bottom walls of the L-shaped grooves 111 abut against the adjacent two side surfaces of the corresponding cores 200, respectively, to provide the cores 200 with clamping forces in the second and third directions; simultaneously, the iron core 200 is clamped between two opposite inner side walls of the L-shaped groove 111, so that the L-shaped groove 111 can provide limiting effect on the iron core 200 in the first direction, and the arrangement of the iron cores 200 according to preset intervals is ensured. The clamping assembly 1 can simultaneously provide clamping action in the second direction and the third direction for the plurality of iron cores 200, provide limiting action in the first direction for the plurality of iron cores 200, and can simplify the iron core fixing device 100 and make the iron core fixing device 100 compact.

Optionally, the L-shaped groove 111 may further be provided with a guide slope, and the iron core 200 may slide along the guide slope and be clamped in the L-shaped groove 111 during assembly, so as to facilitate assembly of the iron core 200.

Of course, the arrangement of the clamping assembly 1 is not limited thereto. In other embodiments, the iron core fixing device 100 may further include two clamping assemblies 1 spaced apart along the second direction and two clamping assemblies 1 spaced apart along the third direction, so as to respectively provide clamping forces in the second direction and the third direction to the plurality of iron cores 200, which may be set according to actual needs, and this embodiment does not limit this.

Further, the clamping assembly 1 further comprises a second adjusting screw 12 and a second nut, wherein a first end of the second adjusting screw 12 is disposed on one of the clamping members 11, and a second end of the second adjusting screw 12 can pass through the other clamping member 11 and is in threaded fit with the second nut.

The first end of the second adjusting screw 12 can also penetrate through the corresponding clamping component 1, and is fixed on one side of the corresponding clamping component 1, which is far away from the iron core 200, through a cap nut.

Optionally, the number of the second adjusting screws 12 is multiple, and the second nuts are arranged in one-to-one correspondence with the second adjusting screws 12, so as to improve the clamping reliability of the two clamping members 11.

Of course, the arrangement manner of the two clamping members 11 is not limited to this, and in other embodiments, the two clamping members 11 may be connected to each other, and the two clamping members 11 are an integrally formed structure, and may be arranged according to actual needs, which is not limited in this embodiment.

Preferably, the inner wall of the L-shaped groove 111 is provided with a buffer member to protect the core 200, and prevent the core 200 from being collided at the corners when the core 200 is assembled, thereby affecting the integrity of the core 200 and the processing quality of the transformer.

It can be understood that the buffer member is made of flexible material, and can also play a certain role in shock absorption.

Preferably, the one end that two holders 11 of clamping component 1 kept away from each other all is equipped with first reinforcement 13, and first reinforcement 13 extends the setting along the second direction, and first reinforcement 13 can respectively with a plurality of iron core 200 looks butt to improve holder 11 and follow the centre gripping effect of third direction to a plurality of iron cores 200, prevent that iron core 200 from appearing rocking in the installation, and need not operating personnel to hold in the iron core 200 installation and hold up, make things convenient for the assembly of iron core 200.

In the present embodiment, the first reinforcing member 13 and the corresponding clamping member 11 are integrally formed.

Similarly, the end of the two clamping members 11 of the clamping assembly 1 close to each other may also be provided with a second reinforcing member, the second reinforcing member extends along the third direction, and the second reinforcing member can abut against the plurality of iron cores 200 respectively, so as to improve the clamping effect of the clamping assembly 1 in the second direction.

Preferably, the through hole 112 is formed on the clamping member 11, and the core fixing device 100 further includes a connecting member, which can pass through the through hole 112 and be fixed to the housing 300, so as to realize connection between the clamping member 11 and the housing 300, thereby fixing the plurality of cores 200 to the housing 300. Of course, the connection manner of the clamping member 11 and the housing 300 is not limited to this, and may be set according to actual needs, which is not limited in this embodiment.

Further, through-hole 112 is the bar hole, and the bar hole extends along first direction or third direction to make the relative position in connecting piece and bar hole adjustable, it is adjustable to realize the fixed position of holder 11 on casing 300, thereby can be fixed in not unidimensional iron core 200 on casing 300, and increase iron core fixing device 100's application scope is big.

Optionally, in order to improve the connection reliability between the clamping member 11 and the housing 300, each clamping member 11 may be provided with a plurality of through holes 112, a plurality of connecting members may be provided in one-to-one correspondence with the plurality of through holes 112, and each connecting member may pass through the corresponding through hole 112 and be fixed to the housing 300.

It can be understood that, when the through holes 112 of the clamping member 11 are all strip-shaped holes, the extending directions of the strip-shaped holes may be the same or different, and the strip-shaped holes may be flexibly arranged according to actual needs; in addition, the connecting member can also be selectively passed through any one of the through holes 112 and fixed on the housing 300, so as to further improve the flexibility of the position adjustment of the clamping member 11 on the housing 300.

Illustratively, the fixing process of the plurality of cores 200 is as follows: the lower clamping assembly 1 is first adjusted. Particularly, adjustment clamping unit 1's second adjusting screw 12 to make two holders 11 along the interval and the iron core 200 phase-match of third direction, with a plurality of iron cores 200 lower part difference joint in the spacing draw-in groove that corresponds, second adjusting screw 12 can provide certain pretension effect to a plurality of iron cores 200 to two holders 11 this moment, two first stiffeners 13 provide certain supporting role to a plurality of iron cores 200 simultaneously, need not operating personnel among the fixed process and support a plurality of iron cores 200. And then the clamping component 1 above is covered on the plurality of iron cores 200, so that the upper part of each iron core 200 is clamped in the corresponding limiting clamping groove, and each first adjusting screw 2 can penetrate through the clamping component 1 above and is fixed through the corresponding first nut. Finally, the first and second nuts are tightened, and the holder 11 is fixed to the housing 300, thereby completing the fixing of the cores 200.

In the description of the present specification, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present embodiment and simplifying the description, and do not indicate or imply that the device or structure referred to must have a specific orientation, be configured and operated in a specific orientation, and thus, cannot be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description herein, references to the description of "an embodiment," "an 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.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in direct contact with the second feature but being in contact with the second feature by another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. The utility model provides an iron core fixing device for on being fixed in the casing with a plurality of iron cores, it is a plurality of the iron core sets up along first direction interval, its characterized in that, iron core fixing device is configured to can follow second direction and third direction respectively and press from both sides tightly a plurality ofly iron core (200), the second direction with the third direction all with first direction is perpendicular, iron core fixing device includes a plurality of spacing portions, spacing portion with iron core (200) one-to-one sets up to make adjacent two distance between iron core (200) is for predetermineeing the interval.

2. The iron core fixing device according to claim 1, characterized in that the iron core fixing device comprises two clamping assemblies (1) arranged at intervals along the second direction, the two clamping assemblies (1) can approach each other to clamp a plurality of iron cores (200), each clamping assembly (1) is provided with a plurality of limiting clamping grooves, the plurality of limiting clamping grooves are arranged in one-to-one correspondence with the iron cores (200), the two opposite limiting clamping grooves on the two clamping assemblies (1) form the limiting portions, and each iron core (200) can be clamped in the corresponding limiting portion.

3. The core fixture according to claim 2, characterized in that it further comprises a first adjusting screw (2) and a first nut, the first end of the first adjusting screw (2) being arranged on one of the clamping assemblies (1), the second end of the first adjusting screw (2) being capable of passing through the other clamping assembly (1) and being screw-fitted in the first nut.

4. The iron core fixing device according to claim 2, wherein the clamping assembly (1) comprises two clamping members (11) arranged at intervals along the third direction, each clamping member (11) is provided with a plurality of L-shaped grooves (111), the plurality of L-shaped grooves (111) and the plurality of iron cores (200) are arranged in a one-to-one correspondence manner, two opposite L-shaped grooves (111) on the two clamping members (11) form the limiting clamping grooves, and each iron core (200) can be clamped in the corresponding limiting clamping groove.

5. Iron core fixing device according to claim 4, characterized in that the clamping assembly (1) further comprises a second adjusting screw (12) and a second nut, a first end of the second adjusting screw (12) being arranged on one of the clamping members (11), a second end of the second adjusting screw (12) being able to pass through the other clamping member (11) and being screw-fitted to the second nut.

6. A core fixation device according to claim 4, characterized in that the inner wall of the L-shaped slot (111) is provided with a buffer.

7. The iron core fixing device according to claim 4, characterized in that, a first reinforcing member (13) is provided at each end of the two clamping members (11) away from each other, the first reinforcing member (13) extends along the second direction, and the first reinforcing member (13) can abut against a plurality of iron cores (200).

8. The iron core fixing device according to claim 4, characterized in that the clamping member (11) is provided with a through hole (112), and the iron core fixing device further comprises a connecting member which can pass through the through hole (112) and be fixed to the housing (300).

9. The iron core fixing device according to claim 8, characterized in that the through hole (112) is a bar-shaped hole, and the bar-shaped hole extends in the first direction or the third direction.

10. A transformer comprising a housing and a plurality of cores spaced apart in a first direction, characterized in that the transformer comprises a core fixation device according to any of claims 1-9 for fixing the plurality of cores (200) to the housing (300).

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