Transformer coil pressing structure

Abstract

The utility model discloses a transformer coil pressing structure, and relates to the field of transformer coil pressing structures. The coil pressing structure comprises the coil, the upper pressing plate and the lower pressing plate, the coil is arranged between the upper pressing plate and the lower pressing plate, the plug-in mechanism and the fixing mechanism are arranged, and the plug-in mechanism and the fixing mechanism are combined, so that the basic functions of a traditional pressing structure are reserved; the key problem that the nut is prone to loosening in the long-term vibration process is further innovatively improved, insertion and locking of the fixing mechanism are allowed through the arrangement of an insertion mechanism, meanwhile, a convenient unlocking mechanism is provided through the combination of a spring sleeve, a first spring and a pop-up pressing rod, and the anti-loosening effect of the nut is improved. The fixing mechanism ensures firm connection between the fixing mechanism and the inserting mechanism through the inserting arrangement of the inserting ring and the inserting groove, the abutting sleeve directly abuts against the nut, additional anti-loosening measures are provided, and the fastening state of the nut can be kept even in the vibration environment.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer coil compression structure field, concretely is a kind of transformer coil compression structure. BACKGROUND

[0002] Transformer coil compression structure is generally referred to as the system of the upper pressing plate, lower pressing plate and bolt column of transformer coil, for fixing and compressing the coil of transformer, to ensure the stability and safety of coil in the process of transformer operation, this structure is tightly connected by bolt column to the upper pressing plate and lower pressing plate, and uniform pressure is applied to the coil, to prevent displacement or deformation of the coil under the action of electromagnetic force or mechanical vibration, so as to ensure the normal operation and prolong the service life of transformer. The bolt column in the existing transformer coil compression structure is mainly tightened by nut, however, due to the vibration of transformer in the process of use, nut may be loose in the long-term vibration process, which may cause the coil compression force to decrease, affect the stability and safety of transformer, and even cause the coil to shift, deform or be damaged, which adversely affects the normal operation of transformer. SUMMARY

[0003] Therefore, the utility model provides a kind of transformer coil compression structure to solve the technical problem that the nut of existing transformer coil compression structure is easy to loosen in the long-term vibration process, which causes the coil compression force to decrease, affects the stability and safety of transformer, and even causes the coil to shift, deform or be damaged.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of transformer coil compression structure, including coil, upper pressing plate lower pressing plate, the coil is arranged between upper pressing plate and lower pressing plate, the outer side of upper pressing plate and lower pressing plate is provided with four side plates, and four side plates are inserted with compression mechanism from top to bottom, the compression mechanism includes bolt column, the outer surface of bolt column is connected with nut below screw thread, two side plates near nut bottom are provided with insertion mechanism, the insertion mechanism includes insertion slot, the inner wall of insertion slot is provided with clamping hole on one side, the side of insertion slot away from clamping hole is provided with spring sleeve, the inside of spring sleeve is provided with first spring, the inside of first spring is provided with ejector rod, and the both ends of ejector rod are respectively inserted through insertion slot and side plate;

[0005] The lower side of insertion mechanism is provided with fixing mechanism, the fixing mechanism includes insertion ring, and insertion ring is inserted with insertion slot, the bottom of insertion ring is provided with abutment sleeve, the bottom of abutment sleeve is provided with through hole, the outer side of insertion ring is provided with two oppositely arranged spring grooves, the inside of spring groove is provided with second spring, and the side of second spring is provided with clamping rod, and one end of clamping rod extends to the outside of abutment sleeve.

[0006] By adopting the technical scheme, the coil is stably compressed through the combination of the upper pressing plate, the lower pressing plate, the side plate, the compression mechanism, the plug-in mechanism and the fixing mechanism.

[0007] Further, after the plug-in ring is plugged into the plug-in slot, one of the clamping rods is plugged into the clamping hole, and the other clamping rod abuts against the pop-up pressing rod and presses one end of the pop-up pressing rod out.

[0008] By adopting the technical scheme, after the plug-in ring is plugged into the plug-in slot, one of the clamping rods is plugged into the clamping hole, and the other clamping rod abuts against the pop-up pressing rod, which ensures the stable connection between the fixing mechanism and the plug-in mechanism and provides a convenient unlocking mode.

[0009] Further, the pop-up pressing rod can be pressed after being popped out, and the fixing mechanism can be effectively unlocked from the plug-in mechanism after the pop-up pressing rod is pressed.

[0010] By adopting the technical scheme, the pop-up pressing rod can be pressed after being popped out, which is convenient for user operation, and the fixing mechanism can be effectively unlocked from the plug-in mechanism after the pop-up pressing rod is pressed, thereby improving the convenience of use.

[0011] Further, the abutting sleeve is used for abutting against the nut to avoid loosening of the nut, and the through hole is used for penetrating the bolt column.

[0012] By adopting the technical scheme, the abutting sleeve is used for abutting against the nut to avoid loosening of the nut, and the through hole is used for penetrating the bolt column, which enhances the stability of the compression mechanism and ensures long-term compression effect.

[0013] Further, the bottom of the upper pressing plate and the top of the upper pressing plate are provided with a plurality of insertion slots, and the coil is provided with three, and the top and bottom of the three coils are respectively provided with three insertion blocks.

[0014] By adopting the technical scheme, the insertion slots on the upper pressing plate and the lower pressing plate are matched with the insertion blocks on the coil, so that the coil is accurately positioned and arranged in layers, and the electromagnetic performance of the transformer is optimized.

[0015] Further, the plurality of insertion blocks are opposite to the plurality of insertion slots, and the plurality of insertion blocks are plugged into the insertion slots.

[0016] By adopting the technical scheme, the plurality of insertion blocks are opposite to the plurality of insertion slots and are plugged in, which ensures the positional stability of the coil during compression and prevents the coil from being deviated or misaligned.

[0017] Further, the compression mechanism is provided with four, and the four compression mechanisms are arranged in a rectangular array.

[0018] By adopting the technical scheme, the four pressing mechanisms are arranged in a rectangular array, which provides uniform pressing force and ensures overall clamping of the coil.

[0019] Further, the four pressing mechanisms are used to press the upper pressing plate and the lower pressing plate, so as to clamp the plurality of coils.

[0020] By adopting the technical scheme, the four pressing mechanisms are used to press the upper pressing plate and the lower pressing plate, so as to clamp the plurality of coils, which improves the pressing efficiency and use effect.

[0021] Further, the top of the bolt column is provided with a bolt head, and the bolt head abuts against the top of the side plate.

[0022] By adopting the technical scheme, the top of the bolt column is provided with a bolt head, and the bolt head abuts against the top of the side plate, which provides additional support and stability and ensures the firmness of the pressing mechanism.

[0023] In summary, the utility model mainly has the following beneficial effects:

[0024] 1. The utility model discloses a plug-in mechanism and a fixing mechanism, wherein the combination of the plug-in mechanism and the fixing mechanism not only retains the basic function of the traditional pressing structure, but also innovatively improves the key problem that the nut is easy to loosen in the long-term vibration process, the plug-in mechanism allows the plug-in and locking of the fixing mechanism, the stability of the structure is increased through the setting of the plug-in groove and the clamping hole, at the same time, the combination of the spring sleeve, the first spring and the pop-up pressing rod provides a convenient unlocking mechanism, so that the fixing mechanism can be easily removed when needed, the fixing mechanism is ensured to be firmly connected with the plug-in mechanism through the plug-in setting of the plug-in ring and the plug-in groove, the abutting sleeve directly abuts against the nut, and additional anti-loosening measures are provided, so that the nut can be kept in a fastened state even in a vibrating environment, in addition, the combination of the second spring and the clamping rod enables the fixing mechanism to be automatically locked on the plug-in mechanism, and the convenience and safety of use are increased, and these improvement measures collectively improve the stability and safety of the transformer coil pressing structure, effectively prevent the risk of coil displacement, deformation or damage.

[0025] 2, the utility model discloses a plug -in block, the slot is set up with the cooperation of plug -in block, and the coil is allowed to pass through the slot of plug -in block and upper pressing plate and lower pressing plate and is inserted accurately and is connected, thereby guarantee the position stability of coil in the process of pressing, effectively prevent the deviation or misplacement of coil, simultaneously, the quick insertion of plug -in block and slot sets up and simplifies the installation and dismounting process of coil, improves the overall use efficiency of the pressing structure, besides, the relative position setting of plug -in block and slot still guarantees that the coil can be accurately aligned in the process of pressing, avoids the pressing uneven or coil damage due to positional deviation, and the insertion setting increases the contact area between coil and upper pressing plate and lower pressing plate, strengthens the stability of whole pressing structure, helps to reduce the risk of loosening or displacement of coil under long -term vibration environment. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0027] Figure 2 It is the front view sectional three-dimensional structure schematic diagram of the utility model;

[0028] Figure 3 It is the side view sectional three-dimensional structure schematic diagram of the utility model;

[0029] Figure 4 It is the utility model Figure 3 The structure schematic diagram of enlarged A place in the utility model.

[0030] In the drawing: 1, coil;2, upper pressing plate;3, lower pressing plate;4, plug -in block;5, slot;6, pressing mechanism;601, bolt column;602, bolt head;603, nut;7, insertion mechanism;701, insertion slot;702, clamping hole;703, spring sleeve;704, spring -out pressing rod;705, first spring;8, fixed mechanism;801, insertion ring;802, abutment sleeve;803, through -hole;804, spring groove;805, second spring;806, clamping rod. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0032] In the description of the utility model, it is necessary to explain that the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relation based on the drawing shown, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model, in addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0033] In the description of the utility model, it is necessary to explain that the terms "mounting", "connecting", "connecting", "setting" should be understood broadly unless otherwise explicitly specified and limited, for example, can be fixedly connected, can also be detachably connected, or integrally connected: can be mechanically connected, can also be electrically connected: can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements, and the above-mentioned terms in the utility model can be understood according to the specific meaning in the utility model for ordinary skilled persons in the art.

[0034] The embodiments will be described below according to the overall structure of the utility model.

[0035] Embodiment one:

[0036] A transformer coil pressing structure, such as Figures 1-4As shown, including coil 1, upper pressing plate 2 lower pressing plate 3, coil 1 is arranged between upper pressing plate 2 and lower pressing plate 3, the outer side of upper pressing plate 2 and lower pressing plate 3 is provided with four side plates, and the four side plates are inserted from top to bottom with pressing mechanism 6, the pressing mechanism 6 includes bolt column 601, the outer surface of bolt column 601 is threadedly connected with nut 603 below, two side plates near nut 603 are provided with insertion mechanism 7 at the bottom, the insertion mechanism 7 includes insertion slot 701, the inner wall of insertion slot 701 is provided with clamping hole 702 on one side, spring sleeve 703 is arranged on the side of insertion slot 701 away from clamping hole 702, first spring 705 is arranged in spring sleeve 703, ejection pressure rod 704 is arranged on the inner side of first spring 705, and the two ends of ejection pressure rod 704 respectively penetrate insertion slot 701 and side plate; The lower side of insertion mechanism 7 is provided with fixing mechanism 8, the fixing mechanism 8 includes insertion ring 801, and the insertion ring 801 is inserted with insertion slot 701, the bottom of insertion ring 801 is provided with abutting sleeve 802, the bottom of abutting sleeve 802 is provided with through hole 803, two opposite spring grooves 804 are formed on the outer side of insertion ring 801, second spring 805 is arranged in spring groove 804, one side of second spring 805 abuts against clamping rod 806, and one end of clamping rod 806 extends to the outer side of abutting sleeve 802, through the combined setting of upper pressing plate 2, lower pressing plate 3, side plate, pressing mechanism 6, insertion mechanism 7 and fixing mechanism 8, a transformer coil pressing structure is provided, which can stably press the coil 1 and ensure the stability and safety during use.

[0037] Referring to Figure 3 , Figure 4 , after the insertion of insertion ring 801 and insertion slot 701, one of the clamping rods 806 is inserted with the clamping hole 702, and the other clamping rod 806 abuts against the ejection pressure rod 704 and presses one end of the ejection pressure rod 704 out, after the insertion of insertion ring 801 and insertion slot 701, the clamping rod 806 is inserted with the clamping hole 702, and the other clamping rod 806 abuts against the ejection pressure rod 704, which ensures the stable connection of the fixing mechanism 8 and the insertion mechanism 7, and provides a convenient unlocking method, which only needs to press the ejection pressure rod 704 to unlock.

[0038] Referring to Figure 1 , Figure 2 , the ejection pressure rod 704 can be used for pressing after ejection, and the fixing mechanism 8 can be effectively unlocked from the insertion mechanism 7 after pressing the ejection pressure rod 704, the ejection pressure rod 704 can be used for pressing after ejection, and the user only needs to simply operate to unlock the fixing mechanism 8 from the insertion mechanism 7, which improves the convenience and efficiency of use.

[0039] Referring to Figure 1 , Figure 3 , Figure 4The abutting sleeve 802 is used for abutting the nut 603 to avoid loosening of the nut, and the through hole 803 is used for penetrating the bolt column 601. The abutting sleeve 802 is used for abutting the nut 603 to avoid loosening of the nut, and the through hole 803 is used for penetrating the bolt column 601. This arrangement enhances the stability of the pressing mechanism 6, ensures long-term pressing effect, and improves the service life of the transformer.

[0040] Embodiment two:

[0041] Referring to Figure 1 , Figure 2 , the bottom of the upper pressing plate 2 and the top of the upper pressing plate 2 are provided with a plurality of insertion slots 5, the coil 1 is provided with three, the top and bottom of the three coils 1 are respectively provided with three insertion blocks 4, and the insertion slots 5 on the bottom of the upper pressing plate 2 and the top of the upper pressing plate 2 are matched with the insertion blocks 4 on the coil 1. The precise positioning and layered arrangement of the coil are realized, the electromagnetic performance of the transformer is optimized, and the working efficiency is improved.

[0042] Referring to Figure 1 , Figure 2 , the plurality of insertion blocks 4 are opposite to the plurality of insertion slots 5, and the plurality of insertion blocks 4 are inserted into the insertion slots 5. The plurality of insertion blocks 4 are opposite to the plurality of insertion slots 5 and are inserted, which ensures the positional stability of the coil 1 during the pressing process, prevents the coil from shifting or mispositioning, and further improves the stability and safety of the transformer.

[0043] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 , the pressing mechanism 6 is provided with four, and the four pressing mechanisms 6 are arranged in a rectangular array. The pressing mechanism 6 is provided with four and arranged in a rectangular array. This layout provides uniform pressing force, ensures comprehensive clamping of the coil 1, and improves the pressing effect and service life.

[0044] Referring to Figure 1 , Figure 2 , the four pressing mechanisms 6 are used for pressing the upper pressing plate 2 and the lower pressing plate 3 to facilitate clamping of the plurality of coils 1. The four pressing mechanisms 6 are used for pressing the upper pressing plate 2 and the lower pressing plate 3 to facilitate clamping of the plurality of coils 1. This arrangement improves the pressing efficiency and use effect, and ensures the stability and safety of the transformer during operation.

[0045] Referring to Figure 1 , Figure 2 , the top of the bolt column 601 is provided with a bolt head 602, and the bolt head 602 abuts the top of the side plate. The top of the bolt column 601 is provided with a bolt head 602, and the bolt head 602 abuts the top of the side plate. This arrangement provides additional support and stability, ensures the firmness of the pressing mechanism 6, and prevents loosening or falling off during use.

[0046] The implementation principle of the utility model is: firstly, ensure that all components are intact, including coil 1, upper pressing plate 2, lower pressing plate 3, side plate, pressing mechanism 6, plug-in mechanism 7 and fixing mechanism 8, install the top and bottom of three coils 1 with plug block 4 respectively;

[0047] Place upper pressing plate 2 and lower pressing plate 3 in proper position, ensure that there is enough space between them to place coil 1, place coil 1 between upper pressing plate 2 and lower pressing plate 3, ensure that the plug block 4 of coil is opposite to the plug slot 5 on upper pressing plate 2 and lower pressing plate 3, install four side plates on the outside of upper pressing plate 2 and lower pressing plate 3, ensure that they are stably perpendicular to the pressing plate;

[0048] Plug four pressing mechanisms 6 from top to bottom on the side plate, ensure that the bolt head 602 of bolt column 601 abuts against the top of the side plate, rotate the nut 603, make it move downward along the outer surface of bolt column 601, gradually exert pressure on upper pressing plate 2 and lower pressing plate 3, so as to clamp coil 1;

[0049] When the nut 603 abuts closely on upper pressing plate 2 or lower pressing plate 3, insert the plug-in ring 801 of fixing mechanism 8 into the plug-in slot 701 of plug-in mechanism 7, ensure that one of the clamping rods 806 is plugged into the clamping hole 702 in the plug-in slot 701, the other clamping rod 806 abuts against the pop-up pressing rod 704, and one end of the pop-up pressing rod 704 is pressed out, the abutting sleeve 802 abuts against the nut 603, avoiding its loosening, at the same time, the through hole 803 penetrates the bolt column 601, ensuring the stability of fixing mechanism 8;

[0050] If it is necessary to unlock fixing mechanism 8, just press the pop-up pressing rod 704, make it pop out from the plug-in slot 701, which can effectively unlock fixing mechanism 8 from plug-in mechanism 7, if it is necessary to disassemble or maintain coil 1, just rotate the nut 603 reversely, make it move upward along the outer surface of bolt column 601, release the pressure on upper pressing plate 2 and lower pressing plate 3, then disassemble the components in turn.

[0051] The parts not involved in the utility model are the same as the prior art or can be realized by using the prior art, which will not be described in detail here.

[0052] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, and the person skilled in the art can make the modification, replacement and change of the embodiments without the creative contribution after reading the specification without departing from the principles and the purpose of the utility model, but as long as in the claim range of the utility model, it is protected by the patent law.

Claims

1. A transformer coil clamping structure, characterized in that: The device includes a coil (1), an upper pressure plate (2), and a lower pressure plate (3). The coil (1) is positioned between the upper pressure plate (2) and the lower pressure plate (3). The upper pressure plate (2) and the lower pressure plate (3) each have four side plates on their outer sides, and a clamping mechanism (6) is inserted into each of the four side plates from top to bottom. The clamping mechanism (6) includes a bolt post (601), and a nut (603) is threaded onto the lower outer surface of the bolt post (601). Two side plates near the nut (603) have insertion mechanisms at their bottom. (7) The insertion mechanism (7) includes an insertion groove (701), a locking hole (702) is provided on one side of the inner wall of the insertion groove (701), a spring sleeve (703) is provided on the side of the insertion groove (701) away from the locking hole (702), a first spring (705) is provided inside the spring sleeve (703), a pop-out pressure rod (704) is provided on the inner side of the first spring (705), and the two ends of the pop-out pressure rod (704) pass through the insertion groove (701) and the side plate respectively; A fixing mechanism (8) is provided below the insertion mechanism (7). The fixing mechanism (8) includes an insertion ring (801) and the insertion ring (801) is inserted into the insertion groove (701). A contact sleeve (802) is provided at the bottom of the insertion ring (801). A through hole (803) is provided at the bottom of the contact sleeve (802). Two opposing spring grooves (804) are provided on the outer side of the insertion ring (801). A second spring (805) is provided inside the spring groove (804). A locking rod (806) is abutted on one side of the second spring (805). One end of the locking rod (806) extends to the outside of the contact sleeve (802).

2. The transformer coil clamping structure according to claim 1, characterized in that: After the insertion ring (801) is inserted into the insertion slot (701), one of the locking rods (806) will be inserted into the locking hole (702), and the other locking rod (806) will abut against the pop-out pressure rod (704) and press out one end of the pop-out pressure rod (704).

3. The transformer coil clamping structure according to claim 1, characterized in that: The pop-out lever (704) can be pressed after popping out, and pressing the pop-out lever (704) can effectively unlock the fixing mechanism (8) from the plugging mechanism (7).

4. The transformer coil clamping structure according to claim 1, characterized in that: The abutting sleeve (802) is used to abut the nut (603) to prevent the nut from loosening, and the through hole (803) is used to pass through the bolt post (601).

5. The transformer coil clamping structure according to claim 1, characterized in that: Multiple slots (5) are provided at the bottom and top of the upper pressure plate (2), and three coils (1) are provided. Three plugs (4) are provided at the top and bottom of the three coils (1).

6. The transformer coil clamping structure according to claim 5, characterized in that: The plurality of said plugs (4) are positioned opposite to the plurality of slots (5), and the plurality of plugs (4) are plugged into the slots (5).

7. The transformer coil clamping structure according to claim 1, characterized in that: There are four clamping mechanisms (6), and the four clamping mechanisms (6) are arranged in a rectangular array.

8. The transformer coil clamping structure according to claim 1, characterized in that: The four clamping mechanisms (6) are used to apply pressure to the upper pressure plate (2) and the lower pressure plate (3) in order to clamp the multiple coils (1).

9. The transformer coil clamping structure according to claim 1, characterized in that: The top of the bolt column (601) is provided with a bolt head (602), which abuts against the top of the side plate.

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