CN204053216U - A kind of Novel foot-operated mash welder - Google Patents
A kind of Novel foot-operated mash welder Download PDFInfo
- Publication number
- CN204053216U CN204053216U CN201420495135.5U CN201420495135U CN204053216U CN 204053216 U CN204053216 U CN 204053216U CN 201420495135 U CN201420495135 U CN 201420495135U CN 204053216 U CN204053216 U CN 204053216U
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- pedal
- cylinder body
- elastic component
- dividing plate
- switch fore
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Abstract
The utility model discloses a kind of Novel foot-operated mash welder, its technical essential is: include housing, switch fore-set, pressure arm, microswitch, welding transformer, base plate and pedal, the dividing plate for placing welding transformer is provided with in described housing, described pedal one end in housing is connected with switch fore-set, described switch fore-set is through the pulley connecting microswitch after dividing plate and pressure arm, described switch fore-set is removably connected with adjustable nut, described switch fore-set is installed with the first elastic component between pressure arm and adjustable nut, described switch fore-set is arranged with the second elastic component between pressure arm and pulley, connected by the second elastic component between described pressure arm and pulley, the first rubber blanket is connected with between described pulley and microswitch.Can effectively avoid microswitch to start instantaneously by the second elastic component and the first rubber blanket, ensure that the safe handling of foot-operated spot welder.The utility model is applicable to Novel foot-operated mash welder.
Description
Technical field
The utility model relates to mash welder, relates to kind of an a kind of Novel foot-operated mash welder in particular.
Background technology
Application number be 200420116183.5 patent document discloses a kind of welding switch structure of foot operated spot welding machine, pedal is connected by the movable axis on support column top, support column is fixed on the base plate of mash welder, one end connecting valve fore-set of pedal, switch fore-set connects microswitch pulley through pressure arm, below pressure arm, flexible is enclosed within the periphery of switch fore-set, elastic component bottom has adjusting nut to support, adjusting nut mates with the external screw of switch fore-set, the middle part of pressure arm is connected to the housing of mash welder by axle, microswitch is arranged on mount pad, the contact of microswitch and microswitch pulley contact.
Foot-operated spot welder structure is in the market roughly the same, but when operating this kind of mash welder, operator is by trampling the spot welding work played two pieces of metallic plates to pedal, but some operator can go by very large power to jam on pedal to operate, going down for a long time, this can cause following potential safety hazard: the microswitch being arranged on switch fore-set one end can be made to start instantaneously, the overtension produced between the electrode in microswitch can be caused in very short time, and when mash welder is in work, voltage in microswitch can reduce to be in a lower value, thus it is long-time with after this type of mode operating point welding machine, the spread of voltage that microswitch produces can be caused, unstable voltage can have influence on the normal spot welding of mash welder, thus cause welding quality bad further.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is the foot-operated spot welder providing a kind of handling safety, this kind of foot-operated spot welder can effectively prevent operator from jamming on pedal rapidly, avoid causing and start microswitch instantaneously, ensure that the safe handling of foot-operated spot welder.
For achieving the above object, the utility model provides following technical scheme: a kind of Novel foot-operated mash welder, include housing, switch fore-set, pressure arm, microswitch, welding transformer, base plate and pedal, the dividing plate for placing welding transformer is provided with in described housing, described pedal one end in housing is connected with switch fore-set, described switch fore-set is through the pulley connecting microswitch after dividing plate and pressure arm, described switch fore-set is removably connected with adjustable nut, described switch fore-set is installed with the first elastic component between pressure arm and adjustable nut, described switch fore-set is arranged with the second elastic component between pressure arm and pulley, connected by the second elastic component between described pressure arm and pulley, the first rubber blanket is connected with between described pulley and microswitch.
By adopting technique scheme, jam on rapidly in the process of pedal operator, pedal can be made to rotate rapidly and drive switch fore-set to deviate from pedal to move, the second elastic component be set on switch fore-set can be compressed rapidly, the resistance produced switch fore-set by compressing the second elastic component, thus can the quick movement of effective buffer switch fore-set, simultaneously, by the first rubber blanket arranged between pulley and microswitch, make the moment being rapidly to movement at switch fore-set, pulley can move together along with switch fore-set, but due to the cushioning effect of the first rubber blanket, make in the process of movement instantaneously, microswitch is also in closed condition, and after switch fore-set moment mobile end, switch fore-set just can continue band movable pulley and move up after a period of time, pulley driving microswitch is normally opened, thus the acting in conjunction of the second elastic component and the first rubber blanket is passed through, can effectively prevent operator from jamming on pedal rapidly, and the moment of causing starts microswitch, thus ensure that the safe handling of foot-operated spot welder.
The utility model is set to further: described switch fore-set is arranged with the 3rd elastic component between adjustable nut and dividing plate, and described 3rd elastic component two ends are fixedly installed on the bottom surface of dividing plate and adjustable nut respectively.
The utility model is set to further: described switch fore-set is arranged with the 4th elastic component between dividing plate and pedal, and described 4th elastic component is fixedly installed on dividing plate and pedal respectively.
The utility model is set to further: described base plate is provided with several compression buffers, and described compression buffer is connected by the second rubber blanket with dividing plate, and is fixedly connected with the bottom of pedal.
The utility model is set to further: the first piston that described compression buffer includes the first cylinder body and is arranged in the first cylinder body, described first cylinder body is provided with first piston bar, one end and the first piston of described first piston bar are fixedly connected, the other end is fixedly connected with the bottom of pedal, and described first cylinder body is provided with several micropores for conducting air.
The utility model is set to further: the inwall of described first cylinder body is provided with sealing ring and wear ring.
The utility model is set to further: described dividing plate is provided with several stretching buffers, and described stretching buffer is connected by the 3rd rubber blanket with dividing plate, and is fixedly connected with the top of pedal.
The utility model is set to further: described buffer unit also includes several and is arranged on the stretching buffer be connected on dividing plate and with pedal, described stretching buffer is connected by the 3rd rubber blanket with between dividing plate, described stretching buffer includes the second cylinder body and is arranged on the second piston in the second cylinder body, described second cylinder body is provided with the second piston rod, one end and second piston of described second piston rod are fixedly connected, and the other end is fixedly connected with the bottom of pedal.
The utility model is set to further: the inwall of described second cylinder body is provided with sealing ring and wear ring.
By adopting technique scheme, when jamming on pedal, by the compression buffer that is connected with top in the bottom of pedal and stretching buffer jointly to the drag effect that pedal plays, can user be effectively avoided to jam on pedal rapidly; In the process of simultaneously rotating along with the rotation of pedal at compression buffer and stretching buffer, respectively the second rubber blanket and the 3rd rubber blanket are set respectively at compression buffer and stretching buffer, compression buffer and stretching buffer are being jammed in the process that pedal and pedal rotate, can effectively avoid pedal to the physical hazard of compression buffer and stretching buffer.
Accompanying drawing explanation
Fig. 1 is the structure chart of foot-operated spot welder;
Fig. 2 is the structure chart of the utility model compression buffer;
Fig. 3 is the structure chart of the utility model stretching buffer;
Fig. 4 is A place enlarged drawing in Fig. 2;
Fig. 5 is B place enlarged drawing in Fig. 1.
In figure: 1, housing; 2, switch fore-set; 3, pressure arm; 4, microswitch; 5, welding transformer; 6, base plate; 7, pedal; 8, dividing plate; 9, adjustable nut; 10, the first elastic component; 11, the 3rd elastic component; 12, the 4th elastic component; 13, compression buffer; 14, the second rubber blanket; 15, the first cylinder body; 16, first piston; 17, first piston bar; 18, micropore; 19, sealing ring; 20, wear ring; 21, stretching buffer; 22, the 3rd rubber blanket; 23, the second cylinder body; 24, the second piston; 25, the second piston rod; 26, the second elastic component; 27, pulley; 28, the first elastic component.
Detailed description of the invention
With reference to a kind of Novel foot-operated mash welder shown in Fig. 1 and Fig. 5, include housing 1, switch fore-set 2, pressure arm 3, microswitch 4, welding transformer 5, base plate 6 and pedal 7, the dividing plate 8 for placing welding transformer 5 is provided with in described housing 1, described pedal 7 one end in housing 1 is connected with switch fore-set 2, described switch fore-set 2 is through the pulley 27 connecting microswitch 4 after dividing plate 8 and pressure arm 3, described switch fore-set 2 is removably connected with adjustable nut 9, described switch fore-set 2 is arranged with the first elastic component 10 between pressure arm 3 and adjustable nut 9, described switch fore-set 2 is arranged with the second elastic component 26 between pressure arm 3 and pulley 27, connected by the second elastic component 26 between described pressure arm 3 and pulley 27, described pulley 27 is connected with the first rubber blanket 28 with microswitch 2.
With reference to shown in Fig. 1, described switch fore-set 2 is arranged with the 3rd elastic component 11 between adjustable nut 9 and dividing plate 8, and the two ends of described 3rd elastic component 11 are fixedly installed on the bottom surface of dividing plate 8 and adjustable nut 9 respectively.
With reference to shown in Fig. 1, described switch fore-set 2 is arranged with the 4th elastic component 12 between dividing plate 8 and pedal 7, and described 4th elastic component 12 is fixedly installed on dividing plate 8 and pedal 7 respectively.
With reference to shown in Fig. 2, described base plate 6 is provided with several compression buffers 13, described compression buffer 13 is connected by the second rubber blanket 14 with base plate 6, the first piston 16 that described compression buffer 13 includes the first cylinder body 15 and is arranged in the first cylinder body 15, described first cylinder body 15 is provided with first piston bar 17, one end and the first piston 16 of described first piston bar 17 are fixedly connected, the other end is fixedly connected with the bottom of pedal 7, and described first cylinder body 15 is provided with several micropores 18 for conducting air.
Preferably, micropore 18 in the utility model is the scope of diameter at 0.5 to 1mm, make the air in the first cylinder body 15 can be slow by the speed of micropore 18, make first piston 16 when the first cylinder body 15 compressed air, air in first cylinder body 15 compression start process in still major part be in the first cylinder body 15, thus make compress time can effectively compress for producing corresponding resistance air.
Preferably, sealing ring 19 and wear ring 20 is provided with between described first piston 16 and the first cylinder body 15.
With reference to shown in Fig. 3, described dividing plate 8 is provided with several stretching buffers 21, described stretching buffer 21 is connected by the 3rd rubber blanket 22 with dividing plate 8, described stretching buffer 21 includes the second cylinder body 23 and is arranged on the second piston 24 in the second cylinder body 23, described second cylinder body 23 is provided with the second piston rod 25, one end and second piston 24 of described second piston rod 25 are fixedly connected, and the other end is fixedly connected with the top of pedal 7.
Preferably, sealing ring 19 and wear ring 20 is provided with between described second piston 24 and the second cylinder body 23, (for compression buffer 13) is provided with sealing ring 19 and wear ring 20 in the first cylinder body 15, sealing ring 19 enhances the air-tightness of compression buffer 13, be conducive to first piston 24 in the first cylinder body 15 compressed air, can effectively prevent compressed air in the first cylinder body 15 to external leakage; And wear ring 20 is set on the first cylinder body 15 inwall, when first piston compresses the first cylinder body 15, effectively avoid the physical abrasion in compression process between first piston 16 and the first cylinder body 15.
With reference to shown in Fig. 2 and Fig. 3, compression buffer 13 in the utility model or the operation principle of stretching buffer 21 be (compression buffer 13 or stretching buffer 21 operation principle similar, special for compression buffer 13 for better illustrating): before compression buffer 13 starts compressed air, air in first cylinder body 15 is standard atmospheric pressure, when being moved to the first cylinder body 15 bottom by first piston bar 17, first piston bar 17 drives first piston 16 at the first cylinder body 15 compressed air, in compression process, the air that widget divides outwards can be derived by micropore 18, and most air is still in, and the first cylinder body 15 is interior to be compressed, thus when being compressed to a certain degree, air after compression can form the resistance larger to first piston bar 17, meanwhile, compressed air in the first cylinder body 15 can slowly (because micropore 18 diameter is less, make the air Negotiation speed in the first cylinder body 15 slower) outwards derived by micropore 18, over time, after air in first cylinder body 15 is a certain amount of to place's derivation, after pressure in first cylinder body 15 is reduced to certain value, thus first piston bar 17 can continue to move towards the first cylinder body 15 bottom.
With reference to shown in Fig. 1, described second rubber blanket 14 and the 3rd rubber blanket 22 are all selected as cushion seal pad, the anti-wear performance of cushion seal spacer body excellence, chemical resistance, resiliency, sound absorption properties and superior cementability, after compression buffer 13 or stretching buffer 21 are installed cushion seal pad, effectively can reduce the mutual vibrations between buffer unit and pedal 7, simultaneously, when foot-treadle 7, the compression buffer 13 be fixedly connected with bottom and the top of pedal 7 respectively and stretching buffer 21 can rotate along with the rotation of pedal 7, by being provided with cushion seal pad in the bottom of compression buffer 13 and stretching buffer 21, compression buffer 13 and stretching buffer 21 can be rotated with pedal 7 on housing 1 and dividing plate 8, avoid the physical hazard to compression buffer 13 and stretching buffer 21 when foot-treadle 7.
Preferably, sealing ring 19 and wear ring 20 is provided with between described second piston 24 and the second cylinder body 23.
With reference to shown in Fig. 1, the operation principle of foot-operated spot welder is: operator is by foot-treadle 7, make two metals can form certain contact resistance under the pressure of two electrodes, thus welding current from an electrode stream through another electrode time two contact resistance points formed moment thermal weldings, some operator can go to jam on pedal 7 and operate by very large power, going down for a long time, this can cause potential safety hazard: the microswitch 4 being arranged on switch fore-set 2 one end can be made to start instantaneously, cause interelectrode pressure transient, thus cause welding quality bad.
The utility model, by the first specific embodiment, can effectively prevent operator from jamming on pedal 7 rapidly, avoids causing starting microswitch 4 instantaneously, ensure that the safe handling of foot-operated 7 mash welders; And can better be played a role the first specific embodiment by the second specific embodiment and the 3rd specific embodiment.
In the first specific embodiment, with reference to Fig. 1, shown in Fig. 4 and Fig. 5, jam on rapidly in the process of pedal 7 operator, pedal 7 can be made to rotate and drive switch fore-set 2 to deviate from pedal 7 rapidly move, the second elastic component 26 be set on switch fore-set 2 can be compressed rapidly, the resistance produced switch fore-set 2 by compressing the second elastic component 26, thus can effectively buffer switch fore-set 2 movement fast, simultaneously, by the first rubber blanket arranged between pulley and microswitch, make the moment moved up rapidly at switch fore-set 2, pulley 27 can move together along with switch fore-set 2, but due to the cushioning effect of the first rubber blanket 28, make in the process of movement instantaneously, microswitch 2 is also in closed condition, thus after switch fore-set 2 moment mobile end, switch fore-set 2 can continue band movable pulley 27 and move up a period of time, make pulley 27 that microswitch 2 just can be driven normally to open, thus the acting in conjunction of the second elastic component 26 and the first rubber blanket 28 is passed through, operator is effectively prevented to jam on pedal 7 rapidly, and the moment of causing starts microswitch 4, thus ensure that the safe handling of foot-operated spot welder.
In the second specific embodiment, with reference to shown in Fig. 1, jam on rapidly in the process of pedal 7 operator, pedal 7 one end be arranged on outside housing 1 is rapidly to base plate 6 and rotates, the point action played by support member, make the one end be connected with switch fore-set 2 can deviate from base plate 6 to rotate, thus drive switch fore-set 2 to deviate from base plate 6 to move.In the incipient stage of switch fore-set 2 movement, only be fixedly installed on the 3rd elastic component 11 on switch fore-set 2 and the 4th elastic component 12 can be compressed first jointly, deviate from base plate 6 at switch fore-set 2 to move the 3rd elastic component 11 and the 4th elastic component 12 are compressed to a certain degree, the first elastic component 10 be slidably located on switch fore-set 2 just can be compressed and finally be completed the whole process of opening microswitch 4 under adjustable nut 9 with the acting in conjunction of pressure arm 3, in this whole process, mash welder before the utility model is after jamming on rapidly pedal 7, the first elastic component 10 be set on switch fore-set 2 can be made to be compressed rapidly, and under long effect thus the first elastic component 10 there is inelastic deformation, thus after jamming on the first elastic component 10 can not return to before state, and in the utility model, first be that the 3rd elastic component 11 and the 4th elastic component 12 can be compressed jointly, and then be the first elastic component 10, the 3rd elastic component 11 and the 4th elastic component 12 can be compressed, by increasing the elastic component quantity on switch fore-set 2, effectively can share the active force that pedal 7 drives switch fore-set 2 to produce, make jam on active force that pedal 7 initial stage first elastic component 10 and the 3rd elastic component 11 be subject to be far smaller than before the active force that is subject to of the first elastic component 10, thus effectively prevent operator to jam on pedal 7 rapidly.
In the 3rd specific embodiment, with reference to Fig. 1, shown in Fig. 2 and Fig. 3, the bottom of compression buffer 13 is fixedly installed on base plate 6, and between compression buffer 13 and base plate 6, be installed with the second rubber blanket 14, again the first piston bar 17 on compression buffer 13 is fixedly connected with the bottom of pedal 7, thus when operator uses the process of foot-operated spot welder, jamming on pedal 7 makes pedal 7 can rotate towards compression buffer 13, the first piston bar 17 being arranged on compression buffer 13 top can be moved along with pedal 7, thus first piston bar 17 drives first piston 16, and at the first cylinder body 15 compressed air, (air in the first cylinder body 15 outwards can be derived by micropore 18, but because this micropore 18 diameter is less, make in the first cylinder body 15 with in the compressed air process of fast speed, major part air to be still in the first cylinder body 15 and to be compressed) continue towards in the process of compression buffer 13 movement at pedal 7, along with the increase gradually of air pressure shrinkage, increase the atmospheric pressure in the first cylinder body 15, also can increase with the resistance making the first cylinder body 15 pairs of first piston bars 17 produce, thus then continuing to jam on pedal 7, the resistance that first cylinder body 15 can produce first piston bar 17 is enough large, operator can be allowed when continuing to jam on pedal 7, enough large resistance can produce a prompting to operator, thus it is direct to avoid user, jam on rapidly pedal 7, the air be simultaneously arranged in the first cylinder body 15 can outwards be derived from micropore 18 slowly, after air in the first cylinder body 15 is completely outwards derived, first piston bar 17 is made to continue to compress in the first cylinder body 15, thus after a period of time of outwards deriving of the air in the first cylinder body 15, operator could continue to jam on pedal 7.Same, with reference to shown in figure, while compression buffer 13 works, because the second piston rod 25 on stretching buffer 21 is fixedly connected with the top of pedal 7, the second piston rod 25 be arranged on stretching buffer 21 also can be moved along with pedal 7, thus make the second piston rod 25 drive the second piston 24 to move and the air that stretches in the second cylinder body 23, continue at pedal 7 to deviate from the process of stretching buffer 21 rotation, atmospheric pressure in second cylinder body 23 can reduce gradually, second cylinder body 23 also can be increased gradually to the resistance that the second piston rod 25 produces, thus then continue to jam on foot-operated, the resistance that second cylinder body 23 can produce the second piston rod 25 is enough large, operator can be allowed when continuing to jam on pedal 7, enough large resistance can produce a prompting to operator, thus it is direct to avoid user, jam on rapidly pedal 7, micropore 18 simultaneously owing to not being provided with in the second cylinder body 23 for deriving air, thus after point is soldered metal, the negative pressure of the second cylinder body 23 can make the second piston rod 25 automatically move towards the bottom of the second cylinder body 23, make pedal 7 can return to before state, thus again can carry out spot welding metal by jamming on presser feet pedal 7.
And in order to this practical specific embodiment will be realized, assembling process of the present utility model is: with reference to Fig. 1, shown in Fig. 2 and Fig. 3, first bonding second rubber blanket 14 and the 3rd rubber blanket 22 is distinguished in the bottom of compression buffer 13 and stretching buffer 21, then several compression buffers 13 are arranged on base plate 6, and the orientation of compression buffer 13 is consistent with pedal 7, the second rubber blanket 14 on compression buffer 13 is fixedly connected with base plate 6 by bonding, then by first piston bar 17, the one end be arranged on outside the first cylinder body 15 is fixedly connected with the bottom of pedal 7, same stretching buffer 21 installation process and compression buffer 13 similar, stretching buffer 21 is arranged on dividing plate 8, and be fixedly connected with the top of pedal 7, thus jointly play the Intercepting effects to pedal 7 by stretching buffer 21 and compression buffer 13.
Below be only preferred embodiment of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (9)
1. a Novel foot-operated mash welder, include housing, switch fore-set, pressure arm, microswitch, welding transformer, base plate and pedal, the dividing plate for placing welding transformer is provided with in described housing, described pedal one end in housing is connected with switch fore-set, described switch fore-set is through the pulley connecting microswitch after dividing plate and pressure arm, described switch fore-set is removably connected with adjustable nut, described switch fore-set is installed with the first elastic component between pressure arm and adjustable nut, it is characterized in that: described switch fore-set is arranged with the second elastic component between pressure arm and pulley, connected by the second elastic component between described pressure arm and pulley, the first rubber blanket is connected with between described pulley and microswitch.
2. a kind of Novel foot-operated mash welder according to claim 1, it is characterized in that: described switch fore-set is arranged with the 3rd elastic component between adjustable nut and dividing plate, described 3rd elastic component two ends are fixedly installed on the bottom surface of dividing plate and adjustable nut respectively.
3. a kind of Novel foot-operated mash welder according to claim 2, is characterized in that: described switch fore-set is arranged with the 4th elastic component between dividing plate and pedal, described 4th elastic component is fixedly installed on dividing plate and pedal respectively.
4. a kind of Novel foot-operated mash welder according to claim 3, is characterized in that: described base plate is provided with several compression buffers, and described compression buffer and dividing plate are connected by the second rubber blanket and are fixedly connected with the bottom of pedal.
5. a kind of Novel foot-operated mash welder according to claim 4, it is characterized in that: the first piston that described compression buffer includes the first cylinder body and is arranged in the first cylinder body, described first cylinder body is provided with first piston bar, one end and the first piston of described first piston bar are fixedly connected, the other end is fixedly connected with the bottom of pedal, and described first cylinder body is provided with several micropores for conducting air.
6. a kind of Novel foot-operated mash welder according to claim 5, is characterized in that: the inwall of described first cylinder body is provided with sealing ring and wear ring.
7. a kind of Novel foot-operated mash welder according to claim 1 or 2 or 3 or 4 or 5 or 6, it is characterized in that: described dividing plate is provided with several stretching buffers, described stretching buffer and dividing plate are connected by the 3rd rubber blanket and are fixedly connected with the top of pedal.
8. a kind of Novel foot-operated mash welder according to claim 7, it is characterized in that: described buffer unit also includes several and is arranged on the stretching buffer be connected on dividing plate and with pedal, described stretching buffer includes the second cylinder body and is arranged on the second piston in the second cylinder body, described second cylinder body is provided with the second piston rod, one end and second piston of described second piston rod are fixedly connected, and the other end is fixedly connected with the bottom of pedal.
9. a kind of Novel foot-operated mash welder according to claim 8, is characterized in that: the inwall of described second cylinder body is provided with sealing ring and wear ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420495135.5U CN204053216U (en) | 2014-08-29 | 2014-08-29 | A kind of Novel foot-operated mash welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420495135.5U CN204053216U (en) | 2014-08-29 | 2014-08-29 | A kind of Novel foot-operated mash welder |
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| Publication Number | Publication Date |
|---|---|
| CN204053216U true CN204053216U (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420495135.5U Expired - Fee Related CN204053216U (en) | 2014-08-29 | 2014-08-29 | A kind of Novel foot-operated mash welder |
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| Country | Link |
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| CN (1) | CN204053216U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105252129A (en) * | 2015-10-20 | 2016-01-20 | 安徽鼎聚焊接科技有限公司 | Foot-operated spot welder |
-
2014
- 2014-08-29 CN CN201420495135.5U patent/CN204053216U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105252129A (en) * | 2015-10-20 | 2016-01-20 | 安徽鼎聚焊接科技有限公司 | Foot-operated spot welder |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20170829 |