CN210805420U

CN210805420U - Dry-type transformer convenient to clean dust screen dust

Info

Publication number: CN210805420U
Application number: CN201922392323.0U
Authority: CN
Inventors: 曾宪红
Original assignee: Zhangzhou Dongshengda Electronic Technology Co ltd
Current assignee: Zhangzhou Dongshengda Electronic Technology Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-06-19
Anticipated expiration: 2029-12-27

Abstract

The utility model relates to the field of dry-type transformers, in particular to a dry-type transformer convenient for cleaning dust on a dust screen, which comprises a shell, wherein air outlets are arranged on both sides of the shell in a penetrating way, and detachable filter screens are arranged on the air outlets, when the filter screens need to be cleaned, all pull handles are pulled towards the direction far away from the air outlets, a push block is driven by a movable rod to be separated from the filter screens, at the moment, a spring is compressed by the push block, the pull handle is rotated until the external threads are contacted with the threaded holes, the pull handle drives the external threads of the movable rod to be in threaded connection with the threaded holes, at the moment, the push block is fixed on an L-shaped bracket, then the filter screens are pulled towards the direction far away from the frame by a handle, then the filter screens are pulled out towards one side of the air outlets, the filter screens can be dismantled and cleaned, and the, thereby making the dust on the cleaning screen more convenient to guarantee the air exhaust effect of the air outlet.

Description

Dry-type transformer convenient to clean dust screen dust

Technical Field

The utility model relates to a dry-type transformer field especially indicates a dry-type transformer convenient to clean dust screen dust.

Background

The transformer is the device that utilizes electromagnetic induction's principle to change alternating voltage, wherein traditional dry-type transformer is provided with the casing usually, in order to realize the ventilation, the side that its casing corresponds the transformer all can be provided with the hole of airing exhaust, in order to prevent external dust entering casing, generally all can be fixed with the filter screen at the rigidity of air exit, but the setting of filter screen makes the dust pile up on the filter screen easily, can influence the effect of airing exhaust of air exit after piling up a large amount of dust on the filter screen, and the mode of traditional fixed filter screen causes the inconvenience of clearance dust easily.

SUMMERY OF THE UTILITY MODEL

The utility model provides a dry-type transformer convenient to clean dust screen dust to overcome the inconvenient problem that the mode of the fixed filter screen of prior art tradition caused the clearance dust easily.

The utility model adopts the following technical scheme: the utility model provides a dry-type transformer convenient to clean dust screen dust, including casing 1, all run through air exit 11 on the both sides of casing 1, its characterized in that: the air outlet 11 is provided with a detachable filter screen 2, the filter screen 2 covers the air outlet 11, two corresponding edges of the filter screen 2 are respectively clamped on the position of the air outlet 11 through the fixer 3, the fixer 3 comprises an L-shaped bracket 31, the L-shaped bracket 31 is fixed on the shell 1, a threaded hole 32 penetrates through the L-shaped bracket 31 corresponding to the filter screen 2, a movable rod 33 penetrates through the threaded hole 32, a push block 34 is arranged at one end of the movable rod 33 close to the filter screen 2, wherein the push block 34 is jointed with the edge of the filter screen 2, the movable rod 33 is nested with a spring 35, one end of the spring 35 is supported on the pushing block 34, the other end of the spring 35 is supported on the L-shaped bracket 31, and one end of the movable rod 33, which is close to the push block 34, is provided with an external thread 37, and the external thread 37 is in threaded connection with the threaded hole 32.

As a further improvement, a handle 21 is arranged on one side surface of the air outlet 11 far away from the filter screen 2.

As a further improvement, a pull handle 36 is fixed at one end of the movable rod 33 far away from the push block 34, wherein the pull handle 36 is a square rod.

As a further improvement, an L-shaped frame 12 is fixed on the exhaust outlet 11, the cross section of the frame 12 is z-shaped, and the filter screen 2 is embedded in the frame 12.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages: the utility model can push the push block 34 towards the filter screen 2 under the elastic force of the spring 35, so that the push block 34 pushes the filter screen 2 to the frame 12, the filter screen 2 is fixed on the frame 12, and the filter screen 2 is prevented from separating from the frame 12; when filter screen 2 is cleaned, external thread 37 and threaded hole 32 threaded connection are only needed, and then push block 34 can be fixed on L-shaped support 31, so that filter screen 2 can be conveniently pulled up through handle 21, and filter screen 2 is pulled out from between L-shaped support 31, and the filter screen 2 can be more conveniently disassembled, and by adopting the mode for disassembling filter screen 2, dust on filter screen 2 can be more conveniently and quickly cleaned, and the exhaust effect of air outlet 11 can be ensured.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic view of a in fig. 1.

Fig. 3 is a schematic view of the front cut structure of the fixer and the filter screen.

Fig. 4 is an enlarged structural diagram of B in fig. 3.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1 to 2, the dry-type transformer convenient for cleaning dust on a dust screen comprises a housing 1, wherein air outlets 11 penetrate through two sides of the housing 1, a detachable filter screen 2 is arranged on each air outlet 11, an L-shaped frame 12 is fixed on each air outlet 11, the cross section of each frame 12 is z-shaped, the filter screen 2 is embedded in each frame 12, and the frame 12 is matched with the filter screen 2, so that the surface of the filter screen 2 and the outer surface of the housing 1 are smoother, and the housing 1 is prevented from being more attractive after the filter screen 2 is installed; a handle 21 is arranged on one side surface of the air outlet 11, far away from the filter screen 2, and the filter screen 2 can be conveniently pulled out to be separated from the frame 12 through the handle 21, so that the filter screen 2 is more convenient to disassemble; two corresponding edges of the filter screen 2 are respectively clamped on the frame 12 through the retainers 3.

As shown in fig. 2 to 4, the holder 3 includes an L-shaped bracket 31, the L-shaped bracket 31 is fixed on the housing 1, a threaded hole 32 penetrates through the L-shaped bracket 31 corresponding to the filter screen 2, the threaded hole 32 penetrates through a movable rod 33, a push block 34 is disposed at one end of the movable rod 33 close to the filter screen 2, the push block 34 is attached to the edge of the filter screen 2, a spring 35 is nested on the movable rod 33, one end of the spring 35 is supported on the push block 34, the other end of the spring 35 is supported on the L-shaped bracket 31, and under the elastic force of the spring 35, the push block 34 can be pushed toward the filter screen 2, so that the filter screen 2 is pushed onto the frame 12 by the push block 34, the filter screen 2 is fixed on the frame 12, and the filter screen 2 is prevented from being separated from the frame 12; a pull handle 36 is fixed at one end of the movable rod 33 far away from the push block 34, wherein the pull handle 36 is a square rod, and the pull of the movable rod 33 is more convenient through the pull handle 36; one of movable rod 33 is close to ejector pad 34 serves and is equipped with external screw thread 37, external screw thread 37 can with screw hole 32 threaded connection, when external screw thread 37 and screw hole 32 threaded connection, alright make ejector pad 34 fix on L shape support 31 to can conveniently pull up filter screen 2 through hand (hold) 21, pull out filter screen 2 from between L shape support 31 again, make filter screen 2's dismantlement can be more convenient.

As shown in fig. 1 to 4, when mounting, the spring 35 is nested on the movable rod 33, then one end of the movable rod 33, which is far away from the push block 34, faces the threaded hole 32 from the lower side of the L-shaped support 31, then the movable rod 33 passes through the threaded hole 32, then the pull handle 36 is fixed on one end of the movable rod 33, which is far away from the push block 34, through screws, and finally the L-shaped support 31 is fixed on two corresponding edges of the air outlet 11 through screws; when the filter screen 2 is installed, firstly all the pull handles 36 are pulled towards the direction far away from the air outlet 11, the pull handles 36 drive the external threads 37 of the movable rods 33 to move towards the direction of the threaded holes 32, after the external threads 37 are contacted with the threaded holes 32, the pull handles 36 are rotated to enable the pull handles 36 to drive the external threads 37 of the movable rods 33 to be in threaded connection with the threaded holes 32, at the moment, the springs 35 are compressed, then the filter screen 2 is aligned between the L-shaped supports 31, the filter screen 2 is pushed between the L-shaped supports 31 until the filter screen 2 is completely pushed into the air outlet 11, the lower surface of the filter screen 2 can be attached to the upper surface of the frame 12, then the pull handles 36 are unscrewed, the external threads 37 on the movable rods 33 are driven by the pull handles 36 to enable the external threads 37 to be separated from the threaded holes 32, at the moment, the push blocks 34 are pushed towards the direction of the filter screen 2 under the elastic force of the springs, the filter screen 2 is fixed on the air outlet 11.

As shown in fig. 1 to 4, when the filter screen 2 needs to be cleaned, all the pull handles 36 are pulled in a direction away from the air outlet 11, the pull handles 36 drive the external threads 37 of the movable rods 33 to move in a direction towards the threaded holes 32, the movable rods 33 drive the push blocks 34 to separate from the filter screen 2, at this time, the springs 35 are compressed by the push blocks 34, until the external threads 37 contact the threaded holes 32, the pull handles 36 are rotated, the pull handles 36 drive the external threads 37 of the movable rods 33 to be in threaded connection with the threaded holes 32, at this time, the push blocks 34 are fixed on the L-shaped bracket 31, and then the filter screen 2 is pulled in a direction away from the frame 12 by the handles 21, and then the filter screen 2 is pulled out towards one side of the air outlet 11, so that the filter screen 2 can be removed for cleaning.

The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.

Claims

1. The utility model provides a dry-type transformer convenient to clean dust screen dust, including the casing, all run through air exit, its characterized in that on the both sides of casing: be equipped with the detachable filter screen on the air exit, the filter screen covers the air exit, the corresponding both edges of filter screen are tight on the position of air exit through the fixer clamp respectively, the fixer is including L shape support, L shape support is fixed on the casing, threaded hole is run through to the position that L shape support corresponds the filter screen, the threaded hole has passed the movable rod, the one end that the movable rod is close to the filter screen is equipped with the ejector pad, and wherein the ejector pad is laminated with the edge of filter screen mutually, nested spring on the movable rod, the one end of spring is supported on the ejector pad, the other end of spring supports on L shape support, the movable rod is close to one of ejector pad and serves and is equipped with the external screw thread, external screw thread and screw hole threaded connection.

2. A dry-type transformer facilitating the cleaning of dust from a dust screen according to claim 1, wherein: and a handle is arranged on one side surface of the air outlet far away from the filter screen.

3. A dry-type transformer facilitating the cleaning of dust from a dust screen according to claim 1, wherein: and a pull handle is fixed at one end of the movable rod, which is far away from the push block, wherein the pull handle is a square rod.

4. A dry-type transformer facilitating the cleaning of dust from a dust screen according to claim 1, wherein: an L-shaped frame is fixed on the air outlet, the cross section of the frame is Z-shaped, and the filter screen is embedded in the frame.