CN110153538B - Quick-plug electrode and plasma cutting gun using same - Google Patents
Quick-plug electrode and plasma cutting gun using same Download PDFInfo
- Publication number
- CN110153538B CN110153538B CN201910490150.8A CN201910490150A CN110153538B CN 110153538 B CN110153538 B CN 110153538B CN 201910490150 A CN201910490150 A CN 201910490150A CN 110153538 B CN110153538 B CN 110153538B
- Authority
- CN
- China
- Prior art keywords
- electrode
- quick
- section
- matrix
- wall
- 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
Links
- 238000003780 insertion Methods 0.000 claims abstract description 95
- 230000037431 insertion Effects 0.000 claims abstract description 92
- 239000011159 matrix material Substances 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 8
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims description 6
- 239000000110 cooling liquid Substances 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 230000013011 mating Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K10/00—Welding or cutting by means of a plasma
Abstract
The invention discloses a quick-plug electrode and a plasma cutting gun using the same, wherein the quick-plug electrode is used for connecting a parent body and comprises an electrode body, the electrode body is provided with an insertion section which is suitable for being inserted into the parent body along the axial direction, the insertion section is provided with an insertion type connecting part which is rotated relative to the parent body along the circumferential direction after insertion and is connected with the parent body, the outer wall of the insertion type connecting part is circumferentially provided with a matching outer protruding head which protrudes out of the outer wall along the radial direction at intervals and is at least in abutting fit with the parent body along the axial direction when the insertion is carried out in place so as to stop the electrode body from moving towards the opposite direction of the insertion direction. The invention can be quickly connected to the electrode base, is convenient to replace and maintain, improves the quality and further prolongs the service life.
Description
Technical Field
The invention relates to a quick-plug electrode and a plasma cutting gun using the same, and belongs to the technical field of plasma cutting guns.
Background
At present, an electrode is one of core accessories of a plasma cutting gun, the electrode belongs to a consumable part with the largest consumption of the plasma cutting gun, the plasma cutting gun mainly comprises an inner insulator, an electrode base arranged in the inner insulator, a motor fixed on the electrode base, a central water pipe inserted into a blind hole of the electrode, a nozzle sleeved outside the electrode and a distributor propped between the inner wall of the nozzle and the outer wall of the inner insulator, the distributor is positioned between the electrode and the nozzle, and an ion airflow chamber is formed between the inner wall of the nozzle and the outer wall of the electrode. Because the electrode is usually fixed on the electrode base in a threaded connection way, when the electrode needs to be replaced, the electrode needs to be unscrewed from the electrode base by adopting a wrench, and a new electrode is replaced on the electrode base by adopting the wrench.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the quick-insertion electrode which can be quickly connected to an electrode base, is convenient to replace and maintain, improves the quality and further prolongs the service life.
In order to solve the technical problems, the technical scheme of the invention is as follows: a quick-connect electrode for connecting to a host, comprising:
the electrode body is provided with an insertion section which is suitable for being inserted into a matrix along the axial direction, the insertion section is provided with an insertion type connecting part which is rotated relative to the matrix along the circumferential direction after insertion so as to be connected with the matrix, the outer wall of the insertion type connecting part is circumferentially provided with an external protruding head which protrudes out of the outer wall along the radial direction at intervals and is at least in abutting fit with the matrix along the axial direction when being rotated in place after insertion so as to block the electrode body from moving towards the direction opposite to the insertion direction.
Further, in order to realize firm connection between the parent body and the electrode body, the contact surface of the outer joint convex head, which is arranged back to the insertion direction and is in abutting fit with the parent body, is gradually inclined from the initial end to the terminal end along the opposite direction of the rotation direction.
Further in order to indicate that the electrode body and the matrix rotate in place and prevent the electrode body from rotating excessively, the terminal end of the contact surface is provided with a rotating in-place limiting block which is arranged in a protruding mode in a direction deviating from the insertion direction and is in abutting fit with the matrix so as to indicate that the electrode body rotates in place circumferentially.
Further in order to guide the electrode body in the matrix, the cooperation of the plug-in connection part and the corresponding part of the matrix is facilitated, the coaxiality between the matrix and the electrode body is improved, and therefore the service life and the electrode manufacturing quality are indirectly improved.
Further for achieving a good seal, the insert section is provided with a sealing ring groove adapted to receive a sealing ring.
Further, the electrode body is provided with a stage section located at the rear side of the insertion section in the insertion direction.
Further, the electrode body is provided with a body section, the body section is located at the rear side of the insertion section in the insertion direction, and a hafnium wire is embedded at the bottom end of the body section.
Further for the convenience of rotating the electrode body, a screwing part is arranged on the outer wall of the bottom end part of the body section.
Further, the electrode body is provided with a blind hole with one end open and the other end closed and used for containing cooling liquid, and a hafnium wire is embedded on the closed wall of the blind hole.
The invention also provides a plasma cutting gun, which comprises an electrode base and a quick-plug electrode; wherein,
the electrode base is a parent body, the electrode base is provided with an insertion cavity matched with the insertion section, the inner wall of the insertion cavity is circumferentially provided with an inner protruding head which protrudes inwards in a radial direction and is matched with the outer protruding head in a matching way at intervals, and an insertion groove which is beneficial to the insertion of the outer protruding head in the matching way when the insertion section is inserted into the insertion cavity is formed in an interval area between the adjacent inner protruding heads in the matching way.
After the technical scheme is adopted, the insertion section of the electrode body is provided with the insertion type connecting part with the matched outer protruding head, the insertion type connecting part can be quickly connected and matched with the corresponding part of the parent body (the electrode base) after being inserted into the parent body (the electrode base) and rotated, the electrode body can be connected to the parent body (the electrode base) in a non-detachable mode after being connected in place, when the electrode is required to be replaced and maintained, the electrode body only needs to be rotated reversely, and then the electrode body is separated from the parent body (the electrode base) along the reverse direction of the insertion direction, so that the electrode body is very convenient to connect or separate from the parent body (the electrode base), and the problem of inconvenient replacement caused by using threaded connection is solved.
Drawings
FIG. 1 is a perspective view of a quick-plug electrode according to the present invention;
FIG. 2 is a second perspective view of the quick-plug electrode of the present invention;
FIG. 3 is a cross-sectional view of a quick-insert electrode of the present invention applied to a plasma cutting gun;
FIG. 4 is a schematic view of a portion of an electrode base of a plasma cutting gun of the present invention;
fig. 5 is a perspective view of the fast-inserting electrode of the present invention applied to a plasma cutting gun.
Detailed Description
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
Example 1
As shown in fig. 1 and 2, a quick-insertion electrode for connecting a precursor, comprising:
the electrode body is provided with an insertion section which is suitable for being inserted into a matrix along the axial direction, the insertion section is provided with an insertion type connecting part 1 which rotates relative to the matrix along the circumferential direction after insertion so as to be connected with the matrix, the outer wall of the insertion type connecting part 1 is circumferentially provided with an external protruding wall at intervals along the radial direction, and at least is in abutting fit with the matrix along the axial direction when rotating in place after insertion so as to block the movement of the electrode body along the reverse direction of the insertion direction.
In the embodiment of the invention, the insertion section of the electrode body is provided with the insertion type connecting part 1 with the matched outer protruding head 11, and the insertion type connecting part 1 can be quickly connected and matched with the corresponding part of the parent body (the electrode base 6) after being inserted into the parent body (the electrode base 6) and rotated, so that the electrode body can be connected to the parent body (the electrode base 6) in a non-detachable way after being connected in place, when the electrode needs to be replaced and maintained, the electrode body only needs to be rotated reversely and then separated from the parent body (the electrode base 6) along the reverse direction of the insertion direction, and the electrode body is very convenient to connect or separate from the parent body (the electrode base 6), thereby solving the problem of inconvenient replacement caused by using threaded connection.
In the embodiment of the present invention, the external coupling bosses 11 are, for example, but not limited to, three, and the three external coupling bosses 11 are uniformly distributed at intervals along the circumferential direction of the electrode body.
The contact surface 11a of the outer protruding coupling head 11, which faces away from the insertion direction and is in abutting engagement with the parent body, is inclined in a direction opposite to the rotation direction from the start end toward the end toward a direction away from the insertion direction.
In the embodiment of the present invention, the insertion direction is the direction a in fig. 1, and the rotation direction is the direction B in fig. 1.
As shown in fig. 1 and 2, the terminal end of the contact surface 11a is provided with a rotation-in-place limiting block 11b which is convexly arranged in a direction deviating from the insertion direction and is in abutting fit with the parent body so as to indicate that the electrode body is rotated in place in the circumferential direction.
As shown in fig. 1 and 2, the insertion section is provided with an introduction part 2 which cooperates with the parent body after insertion into place to define a radial movement of the electrode body on the parent body, the introduction part 2 being located on the front side of the plug-in connection 1 in the insertion direction. The insertion section 2 is provided to guide the insertion section into the matrix, so that the plug-in connection 1 can be connected to the matrix in a good manner.
As shown in fig. 1 and 2, the insertion section is provided with a seal ring groove 12 which is suitable for accommodating the seal ring 10; the seal ring 10 is provided to prevent the leakage of the cooling liquid and to increase the sealing performance.
As shown in fig. 1 and 2, the electrode body is provided with a stage 3, and the stage 3 is positioned at the rear side of the insertion section in the insertion direction; the stage 3 can be matched with the matrix after being inserted into position to limit the electrode body to continuously move on the matrix along the insertion direction, and the stage 3 mainly abuts against the matrix when being inserted into position to play the role of axial positioning between the electrode body and the matrix.
As shown in fig. 1 and 2, the electrode body is provided with a body section 4, the body section 4 is positioned at the rear side of the insertion section in the insertion direction, and a hafnium wire 41 is embedded at the bottom end of the body section 4.
The body section 4 can likewise be provided with a sealing groove 42 for receiving a sealing ring, which sealing groove 42 can be provided close to the table stage 3.
As shown in fig. 1, a screwing part 43 is provided on the outer wall of the bottom end of the body section 4. The screw portion 43 may be provided to facilitate rotation of the electrode body, and the screw portion 43 may be a polygonal column structure.
The electrode body is provided with a blind hole 5 with one end open and the other end closed and used for containing cooling liquid, and a hafnium wire 41 is embedded on a closing wall 51 of the blind hole 5. The blind hole 5 is mainly used for being inserted into a central water pipe 100 of the plasma cutting gun, so that cooling liquid can reach the blind hole 5 to cool the electrode body.
Example two
As shown in fig. 3 to 5, a plasma cutting gun comprises an electrode base 6 and a quick-plug electrode in the first embodiment; wherein,
the electrode base 6 is a matrix, and the electrode base 6 is provided with an insertion cavity 61 matched with the insertion section, the inner wall of the insertion cavity 61 is provided with an inner matching convex head 61a which protrudes inwards in a radial direction and is matched with the outer matching convex head 11 at intervals, and an interval area between the adjacent inner matching convex heads 61a forms an insertion groove 61b which facilitates the insertion of the corresponding outer matching convex head 61a when the insertion section is inserted into the insertion cavity 61.
In the embodiment of the present invention, the fitting inner bosses 61a are provided in three, and the insertion grooves 61b are correspondingly provided in three.
Specifically, the mating inner nose 61a is provided with a mating surface 61e that is in abutting engagement with the contact surface 11a, and is also provided with an end surface structure 61c that is in abutting engagement with the rotational-in-place stopper 11b. The insertion chamber 61 has a guide hole 61d fitted in the shaft hole of the introduction portion 2. When the quick-insertion electrode is inserted and rotated into place on the electrode base 6, the contact surface 11a abuts against the matching surface 61e to limit the axial movement of the two in the opposite direction of the insertion direction, the end surface structure 61c abuts against the rotation in-place limiting block 11b to limit the circumferential rotation of the two, the step section 3 abuts against the shaft end of the insertion cavity 61 to limit the axial movement of the two to the insertion direction, and the matching of the lead-in part 2 and the guide hole 61 limits the radial movement of the two, so that the electrode body and the electrode base 6 are firmly connected.
The technical problems, technical solutions and advantageous effects solved by the present invention have been further described in detail in the above-described embodiments, and it should be understood that the above-described embodiments are only illustrative of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the scope of protection of the present invention.
In the description of the present invention, it should be understood that the terms "orientation" or "positional relationship" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present invention, unless expressly stated or limited otherwise, a first feature may include first and second features directly contacting each other, either above or below a second feature, or through additional features contacting each other, rather than directly contacting each other. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.
Claims (7)
1. A quick-connect electrode for connecting to a parent body, comprising:
the electrode body is provided with an insertion section which is suitable for being inserted into a matrix along the axial direction, the insertion section is provided with an insertion type connecting part (1) which rotates relative to the matrix along the circumferential direction after insertion and is connected with the matrix, the outer wall of the insertion type connecting part (1) is provided with a matching outer convex head (11) which protrudes out of the outer wall along the radial direction at intervals along the circumferential direction and is at least in abutting fit with the matrix along the axial direction when rotating in place after insertion so as to block the electrode body from moving towards the opposite direction of the insertion direction;
the contact surface (11 a) which is arranged on the outer protruding head (11) in a matching way and is in abutting fit with the parent body is gradually inclined from the initial end to the terminal end along the opposite direction of the rotating direction in a direction deviating from the inserting direction;
the terminal of the contact surface (11 a) is provided with a rotation in-place limiting block (11 b) which is arranged in a protruding way in a direction deviating from the insertion direction and is in abutting fit with the parent body so as to indicate that the electrode body circumferentially rotates in place;
the electrode body is provided with a body section (4), the body section (4) is positioned at the rear side of the insertion section in the insertion direction, and a hafnium wire (41) is embedded at the bottom end of the body section (4).
2. The quick-connect electrode of claim 1, wherein,
the insertion section is provided with an introduction part (2) which cooperates with the matrix after insertion into place to limit the radial movement of the electrode body on the matrix, the introduction part (2) being located on the front side of the plug-in connection part (1) in the direction of insertion.
3. The quick-connect electrode of claim 1, wherein,
the insertion section is provided with a sealing ring groove (12) which is suitable for accommodating the sealing ring (10).
4. The quick-connect electrode of claim 1, wherein,
the electrode body is provided with a stage (3), the stage (3) being located on the rear side of the insertion section in the insertion direction.
5. The quick-connect electrode of claim 1, wherein,
the outer wall of the bottom end part of the body section (4) is provided with a screwing part (43).
6. The quick-connect electrode of claim 1, wherein,
the electrode body is provided with a blind hole (5) with one end open and the other end closed and used for containing cooling liquid, and a hafnium wire (41) is embedded on a closed wall (51) of the blind hole (5).
7. A plasma cutting gun, characterized in that it comprises an electrode base (6) and a quick-insert electrode according to any one of claims 1 to 6; wherein,
the electrode base (6) is a parent body, the electrode base (6) is provided with an insertion cavity (61) matched with the insertion section, the inner wall of the insertion cavity (61) is circumferentially provided with an inner matching convex head (61 a) which protrudes inwards in a radial direction and is matched with the outer matching convex head (11) at intervals, and an interval area between the adjacent inner matching convex heads (61 a) is formed into an insertion groove (61 b) which is beneficial to the insertion of the outer matching convex head (61 a) when the insertion section is inserted into the insertion cavity (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910490150.8A CN110153538B (en) | 2019-06-06 | 2019-06-06 | Quick-plug electrode and plasma cutting gun using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910490150.8A CN110153538B (en) | 2019-06-06 | 2019-06-06 | Quick-plug electrode and plasma cutting gun using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110153538A CN110153538A (en) | 2019-08-23 |
| CN110153538B true CN110153538B (en) | 2024-02-13 |
Family
ID=67627614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910490150.8A Active CN110153538B (en) | 2019-06-06 | 2019-06-06 | Quick-plug electrode and plasma cutting gun using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110153538B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1182851A (en) * | 1996-06-27 | 1998-05-27 | 弗利亚特克陶瓷及塑料股份公司 | Inserting type pipe joint |
| CN102280756A (en) * | 2010-06-10 | 2011-12-14 | 北京固融科技有限公司 | Rotary type electric connection device, plug thereof, socket thereof and power extension strip thereof |
| CN102588688A (en) * | 2012-03-26 | 2012-07-18 | 金日 | Plug-in pipe joint |
| CN202882785U (en) * | 2012-10-10 | 2013-04-17 | 中国石油集团长城钻探工程有限公司 | Inner inserting-pulling connecting tool on pipe wall |
| CN103133496A (en) * | 2013-03-07 | 2013-06-05 | 安徽江淮汽车股份有限公司 | Buckle-type nut component |
| CN103889322A (en) * | 2011-10-21 | 2014-06-25 | 日本来富恩株式会社 | Electrode catheter |
| CN203868565U (en) * | 2014-05-22 | 2014-10-08 | 天台县富华塑胶有限公司 | Multi-functional integrated quick-insertion check valve connector |
| CN206213290U (en) * | 2016-07-25 | 2017-06-06 | 惠州市吉瑞科技有限公司深圳分公司 | Atomizing component |
| CN207183726U (en) * | 2017-09-22 | 2018-04-03 | 广州视源电子科技股份有限公司 | A kind of screw connector |
| CN207733674U (en) * | 2018-01-09 | 2018-08-17 | 李�杰 | Cigarette heater |
| CN207806860U (en) * | 2018-02-05 | 2018-09-04 | 常州九圣焊割设备有限公司 | The electrode of plasma arc cutting torch |
| CN208496040U (en) * | 2018-06-25 | 2019-02-15 | 上海亿诺焊接科技股份有限公司 | A kind of plasma cutting-torch with Fast Installation electrode |
| CN109773314A (en) * | 2019-02-22 | 2019-05-21 | 上海亿诺焊接科技股份有限公司 | Plasma contacting ignition arc cuts pipette tips |
| CN210132155U (en) * | 2019-06-06 | 2020-03-10 | 常州市武联电气焊割设备有限公司 | Insert formula electrode soon and use its plasma cutting rifle |
-
2019
- 2019-06-06 CN CN201910490150.8A patent/CN110153538B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1182851A (en) * | 1996-06-27 | 1998-05-27 | 弗利亚特克陶瓷及塑料股份公司 | Inserting type pipe joint |
| CN102280756A (en) * | 2010-06-10 | 2011-12-14 | 北京固融科技有限公司 | Rotary type electric connection device, plug thereof, socket thereof and power extension strip thereof |
| CN103889322A (en) * | 2011-10-21 | 2014-06-25 | 日本来富恩株式会社 | Electrode catheter |
| CN102588688A (en) * | 2012-03-26 | 2012-07-18 | 金日 | Plug-in pipe joint |
| CN202882785U (en) * | 2012-10-10 | 2013-04-17 | 中国石油集团长城钻探工程有限公司 | Inner inserting-pulling connecting tool on pipe wall |
| CN103133496A (en) * | 2013-03-07 | 2013-06-05 | 安徽江淮汽车股份有限公司 | Buckle-type nut component |
| CN203868565U (en) * | 2014-05-22 | 2014-10-08 | 天台县富华塑胶有限公司 | Multi-functional integrated quick-insertion check valve connector |
| CN206213290U (en) * | 2016-07-25 | 2017-06-06 | 惠州市吉瑞科技有限公司深圳分公司 | Atomizing component |
| CN207183726U (en) * | 2017-09-22 | 2018-04-03 | 广州视源电子科技股份有限公司 | A kind of screw connector |
| CN207733674U (en) * | 2018-01-09 | 2018-08-17 | 李�杰 | Cigarette heater |
| CN207806860U (en) * | 2018-02-05 | 2018-09-04 | 常州九圣焊割设备有限公司 | The electrode of plasma arc cutting torch |
| CN208496040U (en) * | 2018-06-25 | 2019-02-15 | 上海亿诺焊接科技股份有限公司 | A kind of plasma cutting-torch with Fast Installation electrode |
| CN109773314A (en) * | 2019-02-22 | 2019-05-21 | 上海亿诺焊接科技股份有限公司 | Plasma contacting ignition arc cuts pipette tips |
| CN210132155U (en) * | 2019-06-06 | 2020-03-10 | 常州市武联电气焊割设备有限公司 | Insert formula electrode soon and use its plasma cutting rifle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110153538A (en) | 2019-08-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8297301B2 (en) | Nozzle device for pump | |
| CN110153538B (en) | Quick-plug electrode and plasma cutting gun using same | |
| CN111053470B (en) | Knife tackle spare and cooking machine that has it | |
| CN210132155U (en) | Insert formula electrode soon and use its plasma cutting rifle | |
| CN109119818B (en) | Circular connector and connector assembly | |
| CN208767913U (en) | Motor and main shaft protection construction | |
| CN217177518U (en) | Multi-way valve | |
| CN211208596U (en) | Negative pressure plug pin device, negative pressure plug pin device assembly and negative pressure plug pin system | |
| JP4156614B2 (en) | Internal combustion engine | |
| CN109149308B (en) | Carbon brush with indication replacing device for motor | |
| CN220569965U (en) | Quick locking structure and connector | |
| CN106621538B (en) | Filter flask | |
| CN219892273U (en) | Battery cell | |
| CN213808968U (en) | Double union ball valve | |
| CN220568183U (en) | Hydrogenation port test fixture | |
| CN211039680U (en) | Double-end-face balanced mechanical seal for double-screw pump | |
| CN219125375U (en) | Electronic atomization device and disassembly jig | |
| CN219529997U (en) | Quick detachable case structure | |
| CN210909780U (en) | Assembling and disassembling tool for valve seat of upper assembling valve | |
| CN218942299U (en) | Electronic atomization device and disassembly jig | |
| CN219062459U (en) | One-piece type high-temperature disc valve | |
| CN218790549U (en) | Prevent cigarette bullet and electron atomizing device that atomizing core drops | |
| CN216407858U (en) | Water tap | |
| CN217216837U (en) | Novel smoke-proof oil microphone | |
| CN210107106U (en) | Battery compartment for mobile lighting equipment and mobile lighting equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |