CN211307984U - High-performance throttling orifice plate ink adding nozzle - Google Patents

High-performance throttling orifice plate ink adding nozzle Download PDF

Info

Publication number
CN211307984U
CN211307984U CN201920602216.3U CN201920602216U CN211307984U CN 211307984 U CN211307984 U CN 211307984U CN 201920602216 U CN201920602216 U CN 201920602216U CN 211307984 U CN211307984 U CN 211307984U
Authority
CN
China
Prior art keywords
spray head
plate
orifice plate
nozzle
sliding part
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.)
Active
Application number
CN201920602216.3U
Other languages
Chinese (zh)
Inventor
倪传龙
倪君杰
陈娟
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.)
Zhenjiang Chenggong High Tech Co ltd
Original Assignee
Zhenjiang Chenggong High Tech 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 Zhenjiang Chenggong High Tech Co ltd filed Critical Zhenjiang Chenggong High Tech Co ltd
Priority to CN201920602216.3U priority Critical patent/CN211307984U/en
Application granted granted Critical
Publication of CN211307984U publication Critical patent/CN211307984U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Ink Jet (AREA)

Abstract

A high-performance throttling orifice plate ink-adding nozzle comprises a bottom plate, a stand column, a limiting block, a sliding part, an electromagnet, a nozzle and a positioning bolt; the two sides of the side surface of the sliding part are clamped into the grooves of the upright posts, so that the sliding connection between the sliding part and the upright posts is realized; the spray head is arranged at the bottom end of the sliding piece and comprises a spray head body, a connecting pipe, a throttling orifice plate, a pressing plate, a sealing ring, a compressed sponge, a spray head orifice plate and a spray head inner bolt; the orifice plate is arranged in the cavity of the spray head body, and the surface of the orifice plate is provided with an orifice in a penetrating way; the pressure plate is arranged at the bottom end of the spray head body; the compressed sponge is filled in the pressing plate column; the shower nozzle orifice plate sets up in clamp plate post bottom, and shower nozzle orifice plate surface runs through and is equipped with the shower nozzle hole. The utility model designs a nozzle which carries out multi-point ink adding in a pore plate mode, the ink flow velocity is uniform when adding ink, and the ink adding process is smooth; meanwhile, a supportable adjusting support is arranged to fix and support the spray head, so that the ink adding process of the spray head is facilitated.

Description

High-performance throttling orifice plate ink adding nozzle
Technical Field
The utility model relates to a sign indicating number piece and auxiliary assembly field, especially a high performance throttle type orifice plate adds black shower nozzle.
Background
The seal, also known as stamp, is used as stationery for printing on documents to show authentication or signing, and is generally printed with a color after being stained with the color, and is not stained with the color, and is printed with a plane to form concave-convex seal, which is called steel seal, and is printed with wax or lacquer, and wax seal on envelopes. The stamp is generally used for office, coding and the like. After the number of stamping times of the seal is large, the seal ink needs to be added to the seal after the ink in the seal is used up. The ink adding mode of the seal is also divided into various modes according to different seal types, and the ink adding method of the penetrating seal, the ink adding method of the ink returning seal and the ink adding method of the photosensitive seal are respectively adopted. The basic principle of ink adding is that the ink is dripped into the character surface of the seal until the ink is completely separated into the seal, and the seal is added with the ink. When the ink is added to the ink-returning seal, the ink pad is in a form of being arranged in the seal, and after the ink pad is required to be pushed out of the seal, the ink is directly dripped into the ink pad by an ink bottle, so that the ink is added. The method for filling the ink into the seal can be realized by the aid of the ink filling nozzle, namely, the ink pad is placed on the bottom surface of the ink filling nozzle, the ink filling nozzle is contacted with the ink pad, and the ink is separated out from the ink filling nozzle to the surface of the ink pad by the ink filling equipment, so that the ink filling process is completed. The existing ink adding nozzle has the following technical defects: the ink adding nozzle is simple in form, only one nozzle is arranged on the ink adding nozzle, ink is separated from the nozzle too intensively, so that the ink is not uniformly separated into the ink pad, and then the ink pad is not uniformly covered and is unclear when the ink is used.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem of the existence, the utility model discloses a high performance throttle type orifice plate adds black shower nozzle, its concrete technical scheme as follows: a high-performance throttling orifice plate ink-adding nozzle comprises a bottom plate, a stand column, a limiting block, a sliding part, an electromagnet, a nozzle and a positioning bolt; the upright post is arranged on one side of the upper surface of the bottom plate, the upright post is vertically and fixedly connected with the bottom plate and is of an integrated structure, and two sides of the upright post are of groove-shaped structures to form an upright post groove; the limiting block is arranged on the upper surface of the bottom plate, two sides of the limiting block are fixedly connected with the bottom plate through fasteners, and the center of the limiting block is of a groove-shaped structure to form a stamp pad groove; the sliding part is arranged on one side of the upright post, the sliding part is of an L-shaped structure, the bottom of the sliding part is of a groove-shaped structure, and two sides of the side surface of the sliding part are clamped into the grooves of the upright post, so that the sliding connection between the sliding part and the upright post is realized; the electromagnet is arranged on one side of the top surface of the sliding part and is fixedly connected with the sliding part;
the spray head is arranged at the bottom end of the sliding part and comprises a spray head body, a connecting pipe, a throttling orifice plate, a pressing plate, a sealing ring, a compressed sponge, a spray head orifice plate and a spray head inner bolt, the upper surface of the spray head body is attached to the lower surface of the sliding part, and the positioning bolt penetrates through the sliding part and extends into the spray head body to realize the fixed connection of the sliding part and the spray head body; the interior of the spray head body is of a hollow structure, so that a spray head body cavity is formed; the orifice plate is arranged in the spray head body cavity, the orifice plate is fixedly connected with the inner wall of the spray head body cavity, and an orifice hole penetrates through the surface of the orifice plate; the connecting pipe is arranged on the upper surface of the spray head body, is vertically and fixedly connected with the spray head body and is of an integrated structure, and the connecting pipe is communicated with the cavity of the spray head body; the pressure plate is arranged at the bottom end of the spray head body, the top surface and the bottom surface of the pressure plate are of a convex structure to form a pressure plate column, the pressure plate column is of a hollow structure, and the top end of the pressure plate column is of a groove structure to form a sealing ring fixing groove; the compressed sponge is filled in the pressing plate column; the spray nozzle orifice plate is arranged at the bottom end of the pressure plate column, the spray nozzle orifice plate is fixedly connected with the inner wall of the pressure plate column, and spray nozzle holes penetrate through the surface of the spray nozzle orifice plate; the top surface of the pressure plate extends into the cavity of the sprayer body through a pressure plate column, and the sealing ring is clamped into the sealing ring fixing groove to realize the sealing connection of the pressure plate column and the cavity of the sprayer body; and the bolt in the sprayer penetrates through the pressing plate and extends into the sprayer body to realize the fixed connection of the pressing plate and the sprayer body.
Further, the stand is the cuboid structure.
Furthermore, one side of the limiting block is of a groove-shaped structure, so that an overflow groove is formed.
Furthermore, the number of the positioning bolts is two, and each positioning bolt is respectively arranged on two sides of the bottom surface of the sliding part.
Furthermore, the cavity of the nozzle body is of a structure with a narrow top and a wide bottom.
Further, the clamp plate post is the cuboid structure, clamp plate post outer wall size with shower nozzle body cavity inner wall size suits, clamp plate post outer wall paste individual with shower nozzle body cavity inner wall sets up.
Furthermore, the cross section of the sealing ring is of a T-shaped structure, and the bottom end of the sealing ring is clamped into the sealing ring fixing groove.
Further, the diameter of the nozzle hole is smaller than that of the throttle hole.
Furthermore, the number of the spray head inner bolts is eight, and the spray head inner bolts are symmetrically arranged on four sides of the pressing plate.
The structure principle of the utility model is that:
the utility model discloses during the use, place the ink pad in the bottom plate recess of limiting plate, with the slider lapse, the slider both sides slide in the stand recess, and the clamp plate post bottom surface contact of nozzle is in the ink pad surface back, and the electricity is gone up with the electromagnet, and the electromagnet keeps fixed slider and stand through the suction effect this moment, and the shower nozzle keeps static. The connecting pipe on shower nozzle top with add the china ink union coupling, printing ink gets into the shower nozzle body from the connecting pipe, printing ink flows into shower nozzle body cavity in to separate out downwards through each orifice on the orifice plate earlier, flow into in the compression sponge in the clamp plate post, printing ink is fully absorbed by the compression sponge, the even follow compression sponge of printing ink is separated out to the shower nozzle board, the even every shower nozzle hole of follow of printing ink is separated out outside the shower nozzle, printing ink is slowly absorbed by the ink pad, accomplish the process of adding china ink of ink pad.
The utility model has the advantages that:
(1) the utility model discloses a to the redesign that adds the china ink shower nozzle, will add the china ink shower nozzle and carry out the form that the single-point adds china ink by a bit, improvement design shower nozzle department carries out the multiple spot for shower nozzle orifice plate form and adds china ink, prevents that printing ink from appearing to the ink pad from shower nozzle department when, adds the china ink and concentrates and lead to printing ink to spill over the phenomenon from the ink pad department, and the seal cover is inhomogeneous when the ink pad uses, unclear phenomenon. The utility model discloses a set up the orifice plate in the shower nozzle, carry out once throttle effect and reposition of redundant personnel effect in the shower nozzle when making printing ink annotate to adsorb, appear the effect to printing ink through the compression sponge, and through the secondary throttle and the reposition of redundant personnel effect of shower nozzle orifice plate, printing ink flows out from each tiny shower nozzle hole, and the velocity of flow is even when making printing ink flow from shower nozzle department, and the process of inking is smooth and easy.
(2) The utility model discloses supporting simultaneously and adjusting the support with the support when the shower nozzle adds the china ink, fixed, the supporting role is carried out to the shower nozzle, has made things convenient for the shower nozzle to add the china ink process.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the installation structure of the sprinkler head of the present invention.
Fig. 3 is a schematic sectional view of the nozzle of the present invention.
Fig. 4 is a schematic view of the bottom structure of the sprinkler head of the present invention.
List of reference numerals: the device comprises a bottom plate 1, a stand column 2, a stand column groove 2-1, a limiting block 3, a stamp pad groove 3-1, an overflow groove 3-2, a sliding piece 4, an electromagnet 5, a spray head 6, a spray head body 6-1, a spray head body cavity 6-11, a connecting pipe 6-2, a throttling pore plate 6-3, a throttling hole 6-31, a pressing plate 6-4, a pressing plate column 6-41, a sealing ring fixing groove 6-42, a sealing ring 6-5, a compressed sponge 6-6, a spray head pore plate 6-7, a spray head hole 6-71, a spray head internal bolt 6-8 and a positioning bolt 7.
Detailed Description
For making the technical scheme of the utility model clear more clearly and definitely, it is right to combine the drawing below the utility model discloses further describe, any is right the utility model discloses technical scheme's technical characteristic carries out the scheme that equivalent replacement and conventional reasoning reachs and all falls into the utility model discloses protection scope. The fixed connection, the fixed arrangement and the fixed structure mentioned in the embodiment are all known technologies known to those skilled in the art, such as welding, screw connection, bolt-nut connection, riveting and the like.
The high-performance throttling orifice plate ink adding nozzle comprises a bottom plate, an upright post, a limiting block, a sliding piece, an electromagnet, a nozzle and a positioning bolt; the upright post is arranged on one side of the upper surface of the bottom plate, the upright post is vertically and fixedly connected with the bottom plate and is of an integrated structure, and two sides of the upright post are of groove-shaped structures to form an upright post groove; the limiting block is arranged on the upper surface of the bottom plate, two sides of the limiting block are fixedly connected with the bottom plate through fasteners, and the center of the limiting block is of a groove-shaped structure to form a stamp pad groove; the sliding part is arranged on one side of the upright post, the sliding part is of an L-shaped structure, the bottom of the sliding part is of a groove-shaped structure, and two sides of the side surface of the sliding part are clamped into the grooves of the upright post, so that the sliding connection between the sliding part and the upright post is realized; the electromagnet is arranged on one side of the top surface of the sliding part and is fixedly connected with the sliding part;
the spray head is arranged at the bottom end of the sliding part and comprises a spray head body, a connecting pipe, a throttling orifice plate, a pressing plate, a sealing ring, a compressed sponge, a spray head orifice plate and a spray head inner bolt, the upper surface of the spray head body is attached to the lower surface of the sliding part, and the positioning bolt penetrates through the sliding part and extends into the spray head body to realize the fixed connection of the sliding part and the spray head body; the interior of the spray head body is of a hollow structure, so that a spray head body cavity is formed; the orifice plate is arranged in the spray head body cavity, the orifice plate is fixedly connected with the inner wall of the spray head body cavity, and an orifice hole penetrates through the surface of the orifice plate; the connecting pipe is arranged on the upper surface of the spray head body, is vertically and fixedly connected with the spray head body and is of an integrated structure, and the connecting pipe is communicated with the cavity of the spray head body; the pressure plate is arranged at the bottom end of the spray head body, the top surface and the bottom surface of the pressure plate are of a convex structure to form a pressure plate column, the pressure plate column is of a hollow structure, and the top end of the pressure plate column is of a groove structure to form a sealing ring fixing groove; the compressed sponge is filled in the pressing plate column; the spray nozzle orifice plate is arranged at the bottom end of the pressure plate column, the spray nozzle orifice plate is fixedly connected with the inner wall of the pressure plate column, and spray nozzle holes penetrate through the surface of the spray nozzle orifice plate; the top surface of the pressure plate extends into the cavity of the sprayer body through a pressure plate column, and the sealing ring is clamped into the sealing ring fixing groove to realize the sealing connection of the pressure plate column and the cavity of the sprayer body; and the bolt in the sprayer penetrates through the pressing plate and extends into the sprayer body to realize the fixed connection of the pressing plate and the sprayer body.
Further, the stand is the cuboid structure.
Furthermore, one side of the limiting block is of a groove-shaped structure, so that an overflow groove is formed.
Furthermore, the number of the positioning bolts is two, and each positioning bolt is respectively arranged on two sides of the bottom surface of the sliding part.
Furthermore, the cavity of the nozzle body is of a structure with a narrow top and a wide bottom.
Further, the clamp plate post is the cuboid structure, clamp plate post outer wall size with shower nozzle body cavity inner wall size suits, clamp plate post outer wall paste individual with shower nozzle body cavity inner wall sets up.
Furthermore, the cross section of the sealing ring is of a T-shaped structure, and the bottom end of the sealing ring is clamped into the sealing ring fixing groove.
Further, the diameter of the nozzle hole is smaller than that of the throttle hole.
Furthermore, the number of the spray head inner bolts is eight, and the spray head inner bolts are symmetrically arranged on four sides of the pressing plate.
The structure principle of the utility model is that:
the utility model discloses during the use, place the ink pad in the bottom plate recess of limiting plate, with the slider lapse, the slider both sides slide in the stand recess, and the clamp plate post bottom surface contact of nozzle is in the ink pad surface back, and the electricity is gone up with the electromagnet, and the electromagnet keeps fixed slider and stand through the suction effect this moment, and the shower nozzle keeps static. The connecting pipe on shower nozzle top with add the china ink union coupling, printing ink gets into the shower nozzle body from the connecting pipe, printing ink flows into shower nozzle body cavity in to separate out downwards through each orifice on the orifice plate earlier, flow into in the compression sponge in the clamp plate post, printing ink is fully absorbed by the compression sponge, the even follow compression sponge of printing ink is separated out to the shower nozzle board, the even every shower nozzle hole of follow of printing ink is separated out outside the shower nozzle, printing ink is slowly absorbed by the ink pad, accomplish the process of adding china ink of ink pad.
The utility model has the advantages that:
(1) the utility model discloses a to the redesign that adds the china ink shower nozzle, will add the china ink shower nozzle and carry out the form that the single-point adds china ink by a bit, improvement design shower nozzle department carries out the multiple spot for shower nozzle orifice plate form and adds china ink, prevents that printing ink from appearing to the ink pad from shower nozzle department when, adds the china ink and concentrates and lead to printing ink to spill over the phenomenon from the ink pad department, and the seal cover is inhomogeneous when the ink pad uses, unclear phenomenon. The utility model discloses a set up the orifice plate in the shower nozzle, carry out once throttle effect and reposition of redundant personnel effect in the shower nozzle when making printing ink annotate to adsorb, appear the effect to printing ink through the compression sponge, and through the secondary throttle and the reposition of redundant personnel effect of shower nozzle orifice plate, printing ink flows out from each tiny shower nozzle hole, and the velocity of flow is even when making printing ink flow from shower nozzle department, and the process of inking is smooth and easy.
(2) The utility model discloses supporting simultaneously and adjusting the support with the support when the shower nozzle adds the china ink, fixed, the supporting role is carried out to the shower nozzle, has made things convenient for the shower nozzle to add the china ink process.

Claims (9)

1. A high-performance throttling orifice plate ink-adding nozzle is characterized by comprising a bottom plate, a stand column, a limiting block, a sliding piece, an electromagnet, a nozzle and a positioning bolt; the upright post is arranged on one side of the upper surface of the bottom plate, the upright post is vertically and fixedly connected with the bottom plate and is of an integrated structure, and two sides of the upright post are of groove-shaped structures to form an upright post groove; the limiting block is arranged on the upper surface of the bottom plate, two sides of the limiting block are fixedly connected with the bottom plate through fasteners, and the center of the limiting block is of a groove-shaped structure to form a stamp pad groove; the sliding part is arranged on one side of the upright post, the sliding part is of an L-shaped structure, the bottom of the sliding part is of a groove-shaped structure, and two sides of the side surface of the sliding part are clamped into the grooves of the upright post, so that the sliding connection between the sliding part and the upright post is realized; the electromagnet is arranged on one side of the top surface of the sliding part and is fixedly connected with the sliding part;
the spray head is arranged at the bottom end of the sliding part and comprises a spray head body, a connecting pipe, a throttling orifice plate, a pressing plate, a sealing ring, a compressed sponge, a spray head orifice plate and a spray head inner bolt, the upper surface of the spray head body is attached to the lower surface of the sliding part, and the positioning bolt penetrates through the sliding part and extends into the spray head body to realize the fixed connection of the sliding part and the spray head body; the interior of the spray head body is of a hollow structure, so that a spray head body cavity is formed; the orifice plate is arranged in the spray head body cavity, the orifice plate is fixedly connected with the inner wall of the spray head body cavity, and an orifice hole penetrates through the surface of the orifice plate; the connecting pipe is arranged on the upper surface of the spray head body, is vertically and fixedly connected with the spray head body and is of an integrated structure, and the connecting pipe is communicated with the cavity of the spray head body; the pressure plate is arranged at the bottom end of the spray head body, the top surface and the bottom surface of the pressure plate are of a convex structure to form a pressure plate column, the pressure plate column is of a hollow structure, and the top end of the pressure plate column is of a groove structure to form a sealing ring fixing groove; the compressed sponge is filled in the pressing plate column; the spray nozzle orifice plate is arranged at the bottom end of the pressure plate column, the spray nozzle orifice plate is fixedly connected with the inner wall of the pressure plate column, and spray nozzle holes penetrate through the surface of the spray nozzle orifice plate; the top surface of the pressure plate extends into the cavity of the sprayer body through a pressure plate column, and the sealing ring is clamped into the sealing ring fixing groove to realize the sealing connection of the pressure plate column and the cavity of the sprayer body; and the bolt in the sprayer penetrates through the pressing plate and extends into the sprayer body to realize the fixed connection of the pressing plate and the sprayer body.
2. The high performance orifice plate ink jet head of claim 1, in which the posts are rectangular parallelepiped in configuration.
3. The high-performance throttling orifice plate inking nozzle of claim 1, wherein one side of the limiting block is of a groove-shaped structure to form an overflow groove.
4. The high-performance orifice plate inking head according to claim 1, wherein the number of the positioning bolts is two, and each positioning bolt is respectively arranged on both sides of the bottom surface of the sliding member.
5. The high-performance orifice plate inking nozzle of claim 1, wherein the nozzle body cavity is narrow at the top and wide at the bottom.
6. The high-performance throttling orifice plate inking sprayer according to claim 1, wherein the pressure plate column is of a cuboid structure, the size of the outer wall of the pressure plate column is matched with the size of the inner wall of the sprayer body cavity, and the outer wall of the pressure plate column is attached to the inner wall of the sprayer body cavity.
7. The high-performance throttling orifice plate inking nozzle according to claim 1, wherein the cross-section of the sealing ring is of a "T" shape, and the bottom end of the sealing ring is clamped into the sealing ring fixing groove.
8. A high performance orifice plate ink jet head as claimed in claim 1, wherein said head orifice diameter is smaller than said orifice hole.
9. The high-performance throttling orifice plate inking nozzle of claim 1, wherein the number of the spray head internal bolts is eight, and the spray head internal bolts are symmetrically arranged on four sides of the pressure plate.
CN201920602216.3U 2019-04-29 2019-04-29 High-performance throttling orifice plate ink adding nozzle Active CN211307984U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920602216.3U CN211307984U (en) 2019-04-29 2019-04-29 High-performance throttling orifice plate ink adding nozzle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920602216.3U CN211307984U (en) 2019-04-29 2019-04-29 High-performance throttling orifice plate ink adding nozzle

Publications (1)

Publication Number Publication Date
CN211307984U true CN211307984U (en) 2020-08-21

Family

ID=72067256

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920602216.3U Active CN211307984U (en) 2019-04-29 2019-04-29 High-performance throttling orifice plate ink adding nozzle

Country Status (1)

Country Link
CN (1) CN211307984U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117282677A (en) * 2023-11-21 2023-12-26 中亿腾模塑科技(苏州)有限公司 Three-dimensional duplex position mark detection device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117282677A (en) * 2023-11-21 2023-12-26 中亿腾模塑科技(苏州)有限公司 Three-dimensional duplex position mark detection device
CN117282677B (en) * 2023-11-21 2024-02-13 中亿腾模塑科技(苏州)有限公司 Three-dimensional duplex position mark detection device

Similar Documents

Publication Publication Date Title
CN211307984U (en) High-performance throttling orifice plate ink adding nozzle
CN207628999U (en) A kind of binder flange body
CN208136365U (en) Fixing tool is used in a kind of plating of automobile die
CN214489339U (en) High-precision multi-iron-sheet quick clamping and welding device
CN211805885U (en) Thrust rod automatic assembly frock
CN208772541U (en) A kind of auxiliary positioning device for drilling
CN208682353U (en) A kind of print head, print cartridge integration and the piezoelectric type ink jet numbering machine that spelling can be folded
CN208374098U (en) A kind of hexagonal double-ended bolt squeeze riveter
CN206936764U (en) Oil storage cylinder component press-loading apparatus
CN211764274U (en) Ink fixing device for printer
CN211924454U (en) Gear pump convenient to installation
CN209912146U (en) Chinese character teaching support frame for mould convenient to adjust
CN216689787U (en) A novel support for rack jacking
CN206953461U (en) A kind of upper plate of automotive wire bundle and plug connector waterproof bolt mould
CN210110233U (en) LED unit plate and die-casting box body structure
CN220497432U (en) Fin bending die assembly
CN217892230U (en) Shell printing equipment for electronic product
CN211191614U (en) Porous plate processing die
CN217494095U (en) Heavy truck air receiver installation location assembly fixture
CN214081121U (en) Auxiliary device for installing oil sprayer seat
CN220007540U (en) Base type tool for pump body machining
CN215848154U (en) Quick marking tool in resilience survey district
CN219338026U (en) Connecting tool for prefabricated wallboard combined die
CN212801185U (en) Anticorrosive type high-speed railway support with graphite alkene coating
CN212494758U (en) Metal winding gasket forming device with inner ring

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant