CN214476956U - Bobbin for transformer production convenient for wire replacement - Google Patents

Bobbin for transformer production convenient for wire replacement Download PDF

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Publication number
CN214476956U
CN214476956U CN202120485677.4U CN202120485677U CN214476956U CN 214476956 U CN214476956 U CN 214476956U CN 202120485677 U CN202120485677 U CN 202120485677U CN 214476956 U CN214476956 U CN 214476956U
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CN
China
Prior art keywords
double
supporting arm
convenient
transformer
bobbin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202120485677.4U
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Chinese (zh)
Inventor
李蕾
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baoding Amorphous Power Transmission And Distribution And Control Equipment Manufacturing Co ltd
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Baoding Amorphous Power Transmission And Distribution And Control Equipment Manufacturing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Baoding Amorphous Power Transmission And Distribution And Control Equipment Manufacturing Co ltd filed Critical Baoding Amorphous Power Transmission And Distribution And Control Equipment Manufacturing Co ltd
Priority to CN202120485677.4U priority Critical patent/CN214476956U/en
Application granted granted Critical
Publication of CN214476956U publication Critical patent/CN214476956U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a winding frame for transformer production, which is convenient for wire changing and is connected on the main shaft of the output end of a winding host, comprising a rotary disk, a supporting arm block, a double-end screw and a bearing seat, wherein the rotary disk is coaxially and fixedly connected on the end surface of the main shaft, the outer end surface of the rotary disk is provided with guide rails, and two sections of guide rails are symmetrically arranged along the axis of the rotary disk; the bottom end of the supporting arm block is provided with a sliding block, the sliding block slides on the guide rail in a guiding way, and the side wall of the sliding block is provided with a first jackscrew for locking and positioning; the double-head screw is arranged above the guide rail through two bearing seat frames and arranged in the same direction as the guide rail, the thread turning directions of two ends of the double-head screw are opposite and are respectively in threaded connection with thread sleeves, and the thread sleeves are arranged at the root parts of the cantilever extending out of the supporting arm blocks; two bracing piece cantilevers brace two relative inside walls of coil skeleton tightly. The utility model discloses the convenient bobbin for transformer production of trading line is applicable to the coiling of multiple coil, can improve the board utilization ratio, has saved the time of trading the line.

Description

Bobbin for transformer production convenient for wire replacement
Technical Field
The utility model relates to a transformer production manufacture equipment technical field especially relates to a bobbin is used in transformer production of conveniently trading line.
Background
The transformer winding machine is a special device for winding a transformer coil, and in the coil production process of the transformer, winding devices are divided according to the voltage grade or the capacity of the transformer, and the transformer winding machine comprises an automatic wire arranging winding machine and a foil coil winding machine for winding high-voltage and low-voltage coils of a distribution transformer; the winding machine comprises a vertical winding machine and a horizontal winding machine for winding large-scale power transformer coils.
The traditional winding tool for the transformer and the inductor coil is limited to winding the coil with the same shape and single size, namely, one tool can only assist in winding one type of coil. The tool has the advantages of low application range, low machine utilization rate, increased manufacturing cost of coil tools with multiple specifications, types and shapes, reduced space utilization rate and inconvenience for line replacement in production. The problem that the coil winding tool is limited to winding coils with the same shape and single size is always an unsolved problem.
Therefore, it is necessary to develop a bobbin for transformer production that facilitates wire replacement in view of the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a conveniently trade bobbin for transformer production of line can solve the problem that a frock can only assist coiling a coil, is applicable to the coiling of multiple coil, can improve the board utilization ratio, has saved the time of trading the line.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a conveniently trade transformer production of line and use bobbin connects on the main shaft of winding host output, including rotary disk, brace arm piece, double-end screw and bearing frame, the coaxial fixed connection of rotary disk is in on the main shaft terminal surface, the outer terminal surface of rotary disk is provided with the guide rail, two sections the guide rail along the symmetry setting of rotary disk axis; the bottom end of the supporting arm block is provided with a sliding block, the sliding block slides on the guide rail in a guiding manner, and the side wall of the sliding block is provided with a first jackscrew for locking and positioning; the double-end screw is arranged above the guide rail through the two bearing seat frames and is arranged in the same direction as the guide rail, the thread turning directions of the two ends of the double-end screw are opposite and are respectively in threaded connection with threaded sleeves, and the threaded sleeves are arranged at the root parts of the cantilever extending out of the supporting arm blocks; and two opposite inner side walls of the coil framework are tightly supported by the supporting arm blocks in a cantilever mode.
Furthermore, a flange plate is coaxially arranged at the end part of the main shaft, and the rotating disc is connected to the flange plate through a plurality of bolts uniformly distributed on the circumference.
Further, a circular groove is formed in the outer end face of the flange plate, a boss is coaxially arranged on the assembling face of the rotating disc, and the boss is embedded into the circular groove in a matched mode; the outer end face of the rotating disc is provided with a plurality of countersunk holes which are uniformly distributed on the circumference, the bolts are inner hexagon bolts, and the inner hexagon bolts are arranged in the countersunk holes and are in threaded connection with the flange plate.
Furthermore, the double-end screw is two set up to the light lever section between the bearing frame, be provided with the wrench hole of being convenient for peg graft crowbar on the light lever section.
Furthermore, the number of the wrench holes is two, and the two wrench holes are arranged in a cross manner.
Furthermore, an outer supporting mechanism for auxiliary support is arranged between the two supporting arm blocks extending out of the cantilever, and the outer supporting mechanism is arranged at the far end of each supporting arm block.
Furthermore, the outer supporting mechanism comprises a sleeve, a sliding rod and a second jackscrew, the roots of the sleeve and the sliding rod are respectively and fixedly connected to the inner side faces of the two opposite supporting arm blocks, the sliding rod is sleeved in the sleeve, and the sliding rod can be locked by the second jackscrew.
Furthermore, a cushion layer is arranged on the outer wall of the supporting arm block extending out of the cantilever, and the cushion layer is specifically made of a rubber pad.
Compared with the prior art, the utility model relates to a convenient transformer production of trading line is with beneficial effect of bobbin:
the utility model relates to a conveniently trade bobbin for transformer production of line, through two relative inside walls of two brace piece cantilevers support coil skeleton tightly, carry out the centre gripping location to the coil skeleton in the wire winding, and double-end screw can drive the slider and drive the brace piece along the guide rail to middle or outside removal, according to the support distance of coil skeleton's particular case adjustment brace piece cantilever, can adapt to the coil skeleton of different specifications size, the homoenergetic carries out the centre gripping location, further wire winding operation. Through double-threaded screw's setting, the screw thread at double-threaded screw both ends is revolved to opposite and pitch parameter unanimous, can drive two bracer pieces simultaneously and move in opposite directions or reverse motion, and it is unanimous to remove the displacement, has guaranteed the rotatory centering nature of coil skeleton, when loading and unloading coil skeleton trades the line in addition, only need the rotating double-threaded screw can, need look for bracer in the frock of difference among the prior art, improved the efficiency of trading the line. The utility model discloses conveniently trade bobbin for transformer production of line can solve a frock and can only assist the problem of coiling a coil, is applicable to the coiling of multiple coil, can improve the board utilization ratio, has saved the time of trading the line.
In addition, the main shaft and the rotating disc are connected in a flange mode, so that the dismounting and the maintenance are convenient, and the mode of a flat key shaft in the traditional technology can be replaced; through the arrangement of the circular groove and the boss, the coaxiality of the rotating disc and the flange disc can be guaranteed. The wrench holes are formed in the light lever sections, so that an operator can conveniently use a crowbar to screw the double-end screw, and particularly, pre-tightening force is applied finally; two wrench holes are arranged in a crossed manner, so that flexible operation according to specific screwing conditions is facilitated. The outer supporting mechanism is arranged at the far end of the supporting arm block, the far end of the cantilever can be extended out of the supporting arm block to carry out auxiliary supporting, and the situation that when the double-end screw is screwed to open the cantilever of the supporting arm block, the far end of the cantilever of the supporting arm block inclines inwards to cause unstable clamping is avoided. Through sleeve and the slide bar that cup joints each other, can follow the change of the distance between the brace piece cantilever to through the locking of second jackscrew, the adjustment is nimble reliable. Through the setting of bed course, can increase the frictional resistance between brace piece outer wall and the coil skeleton inner wall, avoid rotatory in-process, the condition that drops appears.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
Fig. 1 is a schematic view of the installation state of the winding frame for transformer production convenient for wire replacement;
fig. 2 is a schematic view of the structure of the winding frame for producing the transformer convenient for changing the wire according to the present invention;
FIG. 3 is a schematic sectional view of the portion A-A in FIG. 2;
fig. 4 is a schematic view of the installation structure of the rotating disk part of the present invention.
Description of reference numerals: 1. a host; 2. a main shaft; 201. a flange plate; 3. rotating the disc; 301. a guide rail; 302. a countersunk hole; 303. a boss; 4. a brace block; 401. a slider; 402. a threaded sleeve; 403. a first jackscrew; 404. a cushion layer; 5. a double-ended screw; 501. a wrench hole; 6. a bearing seat; 7. an outer support mechanism; 701. a sleeve; 702. a slide bar; 703. a second jackscrew; 8. a hexagon socket head cap screw; 9. and a coil framework.
Detailed Description
The core of the utility model is to provide a conveniently trade bobbin for transformer production of line can solve the problem that a frock can only assist coiling a coil, is applicable to the coiling of multiple coil, can improve the board utilization ratio, has saved the time of trading the line.
In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "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 only for convenience of description and 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.
Referring to the attached drawings, fig. 1 is a schematic view of an installation state of a winding frame for transformer production, which facilitates wire replacement according to the present invention; fig. 2 is a schematic view of the structure of the winding frame for producing the transformer convenient for changing the wire according to the present invention; FIG. 3 is a schematic sectional view of the portion A-A in FIG. 2; fig. 4 is a schematic view of the installation structure of the rotating disk part of the present invention.
In a specific embodiment, as shown in fig. 1 and 2, the utility model discloses the transformer production that conveniently trades line is connected on main shaft 2 of winding host 1 output with the bobbin, including rotary disk 3, brace piece 4, double-end screw 5 and bearing frame 6. The rotating disc 3 is coaxially and detachably fixedly connected to the end face of the main shaft 2, guide rails 301 are arranged on the outer end face of the rotating disc 3, and the two sections of guide rails 301 are symmetrically arranged along the axis of the rotating disc 3. The bottom end of the arm supporting block 4 is provided with a sliding block 401, the sliding block 401 slides on the guide rail 301 in a guiding way, and the side wall of one sliding block 401 is provided with a first jackscrew 403 for locking and positioning. The double-headed screw 5 is erected above the guide rail 301 through two bearing blocks 6 and is arranged in the same direction as the guide rail 301, that is, the double-headed screw 5 is positioned right above the guide rail 301. The thread turning directions of the two ends of the double-thread screw 5 are opposite and are respectively in thread transmission connection with thread sleeves 402, and the thread sleeves 402 are welded and installed at the root parts of the cantilever extending out of the supporting arm blocks 4. The two cantilever arms of the two supporting arm blocks 4 can tightly support two opposite inner side walls of the coil framework 9, and the coil framework 9 in the winding is clamped and positioned.
Two relative inside walls of the coil framework 9 are tightly supported through the two supporting arm blocks 4 in a cantilever mode, the coil framework 9 in the winding process is clamped and positioned, the double-threaded screw 5 can drive the sliding block 401 to drive the supporting arm blocks 4 to move towards the middle or outwards along the guide rail 301, the supporting distance of the supporting arm blocks 4 in the cantilever mode is adjusted according to the specific conditions of the coil framework 9, the coil framework 9 can adapt to coil frameworks 9 of different specifications and sizes, and the coil framework 9 can be clamped and positioned in an all-round mode, and further winding operation can be carried out. Through the setting of double-threaded screw 5, the screw thread at 5 both ends of double-threaded screw revolves to opposite and the pitch parameter unanimous, can drive two bracer pieces 4 in opposite directions or reverse motion simultaneously, and removes the displacement unanimous, has guaranteed the rotatory centering nature of coil skeleton 9, and when loading and unloading coil skeleton 9 traded the line in addition, only need rotating double-threaded screw 5 can, need look for bracer in the frock of difference among the prior art, improved the efficiency of trading the line. The utility model discloses conveniently trade bobbin for transformer production of line can solve a frock and can only assist the problem of coiling a coil, is applicable to the coiling of multiple coil, can improve the board utilization ratio, has saved the time of trading the line.
In a specific embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 4, a flange 201 is coaxially disposed at the end of the main shaft 2, and the rotating disk 3 is connected to the flange 201 through a plurality of circumferentially and uniformly distributed bolts.
Specifically, as shown in fig. 4, a circular groove is provided at the center position of the outer end surface of the flange 201, and a boss 303 is coaxially provided on the mounting surface of the rotary disk 3, and the boss 303 is fitted into the circular groove. A plurality of countersunk holes 302 with the circumference uniformly distributed are formed in the outer end face of the rotating disc 3, the bolts are inner hexagon bolts 8, and the inner hexagon bolts 8 are installed in the countersunk holes 302 and are in threaded connection with the flange plate 201.
The main shaft 2 and the rotating disc 3 are connected in a flange mode, so that the disassembly and maintenance are convenient, and the flat key shaft mode in the traditional technology can be replaced; through the arrangement of the circular groove and the boss 303, the coaxiality of the assembly of the rotating disc 3 and the flange 201 can be ensured.
In a specific embodiment of the present invention, as shown in fig. 1 to 3, the double-headed screw 5 is set as a light bar section between two bearing seats 6, and the light bar section is provided with a wrench hole 501 for facilitating the insertion of a crowbar.
Specifically, as shown in fig. 1 to 3, the number of the wrench holes 501 is two, and the two wrench holes 501 are arranged in a cross manner.
The wrench hole 501 is arranged on the polished rod section, so that an operator can conveniently use a crowbar to screw the double-end screw 5, and especially, the operation of applying pre-tightening force is finally carried out; two wrench holes 501 are arranged in a crossed manner, so that flexible operation according to specific screwing conditions is facilitated.
In a specific embodiment of the present invention, as shown in fig. 1 and fig. 2, two supporting arm blocks 4 extend out of the outer supporting mechanism 7 provided with an auxiliary support between the cantilevers, and the outer supporting mechanism 7 is disposed at the far end of the supporting arm block 4.
Specifically, as shown in fig. 1 and fig. 2, the outer support mechanism 7 includes a sleeve 701, a sliding rod 702, and a second jackscrew 703, roots of the sleeve 701 and the sliding rod 702 are respectively and fixedly connected to inner side surfaces of two opposite support arm blocks 4, the sliding rod 702 is sleeved in the sleeve 701, and the second jackscrew 703 can lock the sliding rod 702. It is obvious that the outer support means 7 can also take other forms, such as a staggered overlapping arrangement of strips with a plurality of receptacles.
The supporting arm block 4 is provided with a cantilever far end through an outer supporting mechanism 7, the cantilever far end can be extended out of the supporting arm block 4 for auxiliary supporting, and the phenomenon that when the double-end screw 5 is screwed to open the cantilever of the supporting arm block 4, the cantilever far end of the supporting arm block 4 inclines inwards to cause unstable clamping is avoided. Through the sleeve 701 and the slide bar 702 that cup joint each other, can follow the change of the distance between the cantilever of brace arm piece 4 to through the locking of second jackscrew 703, the adjustment is nimble reliable.
In a specific embodiment of the present invention, as shown in fig. 2 and 3, a cushion layer 404 is bonded on the outer wall of the supporting arm block 4 extending out of the cantilever, and the cushion layer 404 is specifically made of a rubber pad.
Through the setting of bed course 404, can increase the frictional resistance between the outer wall of brace piece 4 and the coil skeleton 9 inner wall, avoid rotatory in-process, the condition that drops appears.
The utility model discloses when convenient transformer production of trading line uses the bobbin: according to the distance between two opposite side walls of the coil framework 9 which needs to be wound, the double-end screw 5 is rapidly rotated to roughly adjust the distance between the cantilevers of the supporting arm blocks 4, so that the distance is slightly smaller than the distance between the two opposite side walls. The coil bobbin 9 is placed on the arm of the arm block 4 and pressed against the cushion 404, and the double-headed screw 5 is rotated using a crowbar to tighten the coil bobbin 9 and lock the first jackscrew 403. The outer supporting mechanism 7 is manually pulled outward slightly, and the second jackscrew 703 is locked, and the winding operation is started. When the wire is changed, the first jackscrew 403 and the second jackscrew 703 are loosened, the double-end screw 5 is rotated by a crowbar, so that the coil framework 9 is loosened by the cantilever of the supporting arm block 4, and the wound coil and the coil framework 9 are taken down.
The utility model discloses convenient bobbin for transformer production of trading line, two relative inside walls through two 4 cantilevers of brace piece prop tight coil skeleton 9, carry out the centre gripping location to coil skeleton 9 in the wire winding, and double-end screw 5 can drive slider 401 and drive brace piece 4 along guide rail 301 to middle or outside removal, according to the support distance of 4 cantilevers of coil skeleton 9's particular case adjustment brace piece, can adapt to the coil skeleton 9 of different specifications size, the homoenergetic carries out the centre gripping location, further wire winding operation. Through the setting of double-threaded screw 5, the screw thread at 5 both ends of double-threaded screw revolves to opposite and the pitch parameter unanimous, can drive two bracer pieces 4 in opposite directions or reverse motion simultaneously, and removes the displacement unanimous, has guaranteed the rotatory centering nature of coil skeleton 9, and when loading and unloading coil skeleton 9 traded the line in addition, only need rotating double-threaded screw 5 can, need look for bracer in the frock of difference among the prior art, improved the efficiency of trading the line. The utility model discloses conveniently trade bobbin for transformer production of line can solve a frock and can only assist the problem of coiling a coil, is applicable to the coiling of multiple coil, can improve the board utilization ratio, has saved the time of trading the line. In addition, the spindle 2 and the rotating disc 3 which are connected in a flange mode are convenient to disassemble and maintain, and can be replaced by a flat key shaft mode in the traditional technology; through the arrangement of the circular groove and the boss 303, the coaxiality of the assembly of the rotating disc 3 and the flange 201 can be ensured. The wrench hole 501 is arranged on the polished rod section, so that an operator can conveniently use a crowbar to screw the double-end screw 5, and especially, the operation of applying pre-tightening force is finally carried out; two wrench holes 501 are arranged in a crossed manner, so that flexible operation according to specific screwing conditions is facilitated. The supporting arm block 4 is provided with a cantilever far end through an outer supporting mechanism 7, the cantilever far end can be extended out of the supporting arm block 4 for auxiliary supporting, and the phenomenon that when the double-end screw 5 is screwed to open the cantilever of the supporting arm block 4, the cantilever far end of the supporting arm block 4 inclines inwards to cause unstable clamping is avoided. Through the sleeve 701 and the slide bar 702 that cup joint each other, can follow the change of the distance between the cantilever of brace arm piece 4 to through the locking of second jackscrew 703, the adjustment is nimble reliable. Through the setting of bed course 404, can increase the frictional resistance between the outer wall of brace piece 4 and the coil skeleton 9 inner wall, avoid rotatory in-process, the condition that drops appears.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims (8)

1. A winding frame convenient for wire replacement and used for transformer production is connected to a main shaft (2) at the output end of a winding host (1), and is characterized by comprising a rotating disk (3), a supporting arm block (4), a double-end screw (5) and a bearing seat (6), wherein the rotating disk (3) is coaxially and fixedly connected to the end face of the main shaft (2), guide rails (301) are arranged on the outer end face of the rotating disk (3), and the two sections of guide rails (301) are symmetrically arranged along the axis of the rotating disk (3); the bottom end of the supporting arm block (4) is provided with a sliding block (401), the sliding block (401) slides on the guide rail (301) in a guiding manner, and the side wall of the sliding block (401) is provided with a first jackscrew (403) for locking and positioning; the double-head screw (5) is erected above the guide rail (301) through two bearing seats (6) and arranged in the same direction as the guide rail (301), the thread turning directions of two ends of the double-head screw (5) are opposite and are respectively in threaded connection with thread sleeves (402), and the thread sleeves (402) are arranged at the root parts of the cantilever extending out of the supporting arm blocks (4); and the two opposite inner side walls of the coil framework (9) are tightly supported by the support arm blocks (4) in a cantilever manner.
2. The winding frame convenient for line replacement for transformer production of claim 1, wherein: the end part of the main shaft (2) is coaxially provided with a flange plate (201), and the rotating disc (3) is connected to the flange plate (201) through a plurality of bolts uniformly distributed on the circumference.
3. The bobbin for producing the transformer convenient for wire replacement as claimed in claim 2, wherein: a round groove is formed in the outer end face of the flange plate (201), a boss (303) is coaxially arranged on the assembling face of the rotating disc (3), and the boss (303) is embedded into the round groove in a matched mode; a plurality of countersunk holes (302) with uniformly distributed circumferences are formed in the outer end face of the rotating disc (3), the bolts are inner hexagonal bolts (8), and the inner hexagonal bolts (8) are installed in the countersunk holes (302) and are in threaded connection with the flange plate (201).
4. The winding frame convenient for line replacement for transformer production of claim 1, wherein: the double-end screw (5) is two set up to the light lever section between bearing frame (6), be provided with wrench hole (501) of being convenient for peg graft crowbar on the light lever section.
5. The bobbin for producing the transformer convenient for wire replacement as claimed in claim 4, wherein: the number of the wrench holes (501) is two, and the two wrench holes (501) are arranged in a cross manner.
6. The winding frame convenient for wire replacement for transformer production according to any one of claims 1 to 5, wherein: two outer supporting mechanism (7) that are provided with auxiliary stay are stretched out to brace arm piece (4) and are provided with between the cantilever, outer supporting mechanism (7) set up brace arm piece (4) distal end.
7. The bobbin for producing the transformer convenient for wire replacement as claimed in claim 6, wherein: the outer supporting mechanism (7) comprises a sleeve (701), a sliding rod (702) and a second jackscrew (703), the roots of the sleeve (701) and the sliding rod (702) are respectively and fixedly connected to the inner side faces of the two opposite supporting arm blocks (4), the sliding rod (702) is sleeved in the sleeve (701), and the second jackscrew (703) can lock the sliding rod (702).
8. The bobbin for producing the transformer convenient for wire replacement as claimed in claim 7, wherein: and a cushion layer (404) is arranged on the outer wall of the supporting arm block (4) extending out of the cantilever, and the cushion layer (404) is specifically made of a rubber pad.
CN202120485677.4U 2021-03-08 2021-03-08 Bobbin for transformer production convenient for wire replacement Expired - Fee Related CN214476956U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120485677.4U CN214476956U (en) 2021-03-08 2021-03-08 Bobbin for transformer production convenient for wire replacement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120485677.4U CN214476956U (en) 2021-03-08 2021-03-08 Bobbin for transformer production convenient for wire replacement

Publications (1)

Publication Number Publication Date
CN214476956U true CN214476956U (en) 2021-10-22

Family

ID=78153601

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120485677.4U Expired - Fee Related CN214476956U (en) 2021-03-08 2021-03-08 Bobbin for transformer production convenient for wire replacement

Country Status (1)

Country Link
CN (1) CN214476956U (en)

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Granted publication date: 20211022