CN215430839U - Hot rolling shaped steel fixture - Google Patents
Hot rolling shaped steel fixture Download PDFInfo
- Publication number
- CN215430839U CN215430839U CN202121477331.6U CN202121477331U CN215430839U CN 215430839 U CN215430839 U CN 215430839U CN 202121477331 U CN202121477331 U CN 202121477331U CN 215430839 U CN215430839 U CN 215430839U
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- sliding
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- rod
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Abstract
The utility model provides a hot-rolled section steel clamping mechanism, which comprises: the operation box, first axle sleeve, pull rod, two connecting rods, two splint. A first sliding groove is installed on one side wall of the operation box, and two first sliding blocks are arranged in the first sliding groove. Two splint set up respectively in the control box outside, and the one end of two splint corresponds respectively and is connected with the one end of a first slider. The other end of the first sliding block is hinged to the connecting rods, and one end of the pull rod penetrates through the side wall of the operating box to extend into the operating box and is hinged to the two connecting rods. The pull rod is connected with the side wall of the operation box through a first shaft sleeve, and the other end of the pull rod is connected with a first pull plate. Can drive the pull rod through the first arm-tie of pulling and slide to can make two splint remove through two connecting rods, thereby make things convenient for the workman to carry out the centre gripping to shaped steel.
Description
Technical Field
The utility model belongs to the field of hot rolled section steel detection, and particularly relates to a hot rolled section steel clamping mechanism.
Background
With the development of society, heavy industries have been greatly developed in recent years, and the heavy industries are very important for processing iron, copper and steel. It is necessary to turn the steel during the process of machining the steel so that the other side of the steel can be observed or inspected. The hot rolled section steel has higher temperature after being produced, and workers can easily scald the skin by directly turning the hot rolled section steel by hands. The hot-rolled section steel produced simultaneously is heavy in weight and large in size, and is turned over only by manpower, so that a large amount of manpower can be wasted, the work difficulty of workers can be improved, and the smooth operation of the workers is not facilitated. Therefore, a device capable of clamping high-temperature hot-rolled section steel and assisting workers in overturning the hot-rolled section steel is needed, so that the processing and the detection of the hot-rolled section steel by the workers are assisted.
SUMMERY OF THE UTILITY MODEL
The utility model provides a hot rolled section steel clamping mechanism in order to meet the requirement of workers on detection of hot rolled section steel. Adopt this technical scheme can accomplish stable centre gripping and supplementary upset to hot rolling shaped steel, and the concrete scheme is: a hot-rolled section steel clamping mechanism comprises an operation box, a first shaft sleeve, a pull rod, two connecting rods and two clamping plates;
a first sliding groove is arranged on one side wall of the operation box;
two first sliding blocks are arranged in the first sliding groove;
the two clamping plates are respectively arranged outside the operation box, and one ends of the two clamping plates are respectively correspondingly connected with one end of a first sliding block;
the other end of the first sliding block is hinged with the connecting rod;
one end of the pull rod penetrates through the side wall of the operation box to extend into the operation box and is hinged with the two connecting rods;
the pull rod is connected with the side wall of the operation box through a first shaft sleeve; the other end of the pull rod is connected with a first pull plate.
Preferably, the left side wall and the right side wall of the operation box are both provided with lifting boxes;
a sliding sleeve is clamped on one side wall of the lifting box;
a sliding rod is connected in the sliding sleeve in a sliding manner;
one end of the sliding rod is connected with a second pulling plate;
one side surface of the inner wall of the lifting box is connected with a first telescopic rod;
the outer surface of the first telescopic rod is sleeved with a lifting spring;
both ends of the lifting spring are fixedly connected with the outer surface of the first telescopic rod;
one end of the first telescopic rod is fixedly connected with a roller;
the outer surface of the roller is attached to one side surface of the sliding rod;
the left side surface and the right side surface of the inner wall of the lifting box are respectively clamped with a rotating shaft sleeve;
a first rotating shaft is sleeved in the rotating shaft sleeve;
the outer surface of the first rotating shaft is fixedly connected with a push plate;
the push plate is positioned on the upper side of the slide rod.
Preferably, the operation box is internally provided with a reset plate and at least two reset springs;
the reset plate is sleeved on the outer side wall of the pull rod and is fixedly connected with the pull rod;
the first end of the reset spring is connected with the reset plate;
the second end of the return spring is connected with the inner side wall of the operation box.
Preferably, the two sides of the pull rod are symmetrically provided with a first connecting plate and a second connecting plate;
one end of the first connecting plate and one end of the second connecting plate are respectively connected with the outer side wall of the operation box;
the first connecting plate and the second connecting plate are both provided with third sliding chutes;
the first connecting plate is provided with a plurality of positioning holes;
a positioning plate is arranged between the first connecting plate and the second connecting plate;
one end of the positioning plate is provided with a third sliding block, and the positioning plate is connected into a third sliding groove of the first connecting plate in a sliding manner through the third sliding block;
and a spring pin matched with the positioning hole is arranged in the third sliding block.
Preferably, the lower surface of the first pulling plate is provided with an extension rod;
one end of the extension rod is connected with a hinge;
the left side surface and the right side surface of the extension rod are provided with fixed springs;
one end of the fixed spring is connected with a limiting block;
the two limiting blocks are hinged through hinges;
the middle part of the positioning plate is provided with a fixing groove for inserting the limiting block.
Preferably, the other side wall of the lifting box is provided with a through hole;
one side surface of the first telescopic rod is fixedly connected with a second telescopic rod;
the outer surface of the second telescopic rod is sleeved with a recovery spring;
both ends of the recovery spring are fixedly connected with the outer surface of the second telescopic rod;
one end of the second telescopic rod is fixedly connected with a limiting plate;
a bearing sleeve is clamped on one side surface of the inner wall of the lifting box;
a second rotating shaft is sleeved in the bearing sleeve;
one end of the second rotating shaft is fixedly connected with a handle, and the other end of the second rotating shaft is fixedly connected with a threaded column;
the outer surface of the threaded column is in threaded connection with a nut;
the lower surface of the nut is provided with a limiting hole matched with the limiting plate, and the upper surface of the nut is fixedly connected with a second sliding block;
a second sliding chute is formed in the upper surface of the inner wall of the lifting box;
the second sliding block is connected in the second sliding groove in a sliding manner.
According to the technical scheme, the utility model has the following advantages: through setting up clamping mechanism, utilize fixture to make two splint draw close to the centre, thereby utilize two splint to make the quick clamp to shaped steel tight, made things convenient for processing and the removal of workman to shaped steel, when the workman need press from both sides tightly a certain hot rolling shaped steel all the time, through setting up third slider and spring pin, utilize the slip of third slider in the third spout can slide the fixed slot to suitable position, it inserts into the locating hole to recycle the spring pin, thereby play the effect of restriction third slider removal, the rethread sets up the stopper, the elastic action that utilizes fixed spring can make the stopper insert into the fixed slot, thereby make fixture can be all the time carry out the centre gripping to a certain shaped steel under the effect of the power that does not need the human power, workman's processing and operation have been made things convenient for. The lifting box is arranged, the lifting box is inserted into the bottom of the profile steel to be overturned, so that the profile steel can be overturned, a worker is prevented from directly overturning the profile steel with higher temperature by hands, the safety coefficient is improved, the worker is prevented from being injured, the second pull plate, the slide rod and the lifting box are arranged, the slide rod can be moved by pulling the second pull plate, so that the limit of the slide rod on the roller is relieved, the roller pushes the push plate outwards under the action of the lifting spring and the first telescopic rod, the overturning of the profile steel by the worker is assisted, the labor is saved during the working of the worker, the working difficulty of the worker is reduced, the smooth work of the worker is facilitated, when the first telescopic rod needs to be retracted, the limiting plate is inserted into the limiting hole by arranging the second telescopic rod, the limiting plate, the second rotating shaft and the threaded column through the extension of the second telescopic rod and the recovery spring, the rotation of recycling the second pivot can make the screw thread post rotate, utilizes the rotation of screw thread post to make the nut drive the limiting plate and remove to the lifting incasement to the realization is withdrawed fast to first telescopic link, thereby makes the gyro wheel can get back to again and lift the incasement.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic side sectional view of the lifting device of the present invention;
FIG. 3 is an enlarged schematic view of the structure A of the present invention;
fig. 4 is an enlarged schematic view of the structure B of the present invention.
In the figure: 1-an operation box, 2-a through hole, 3-a fixed groove, 4-a first pulling plate, 5-a first shaft sleeve, 6-a rotating shaft sleeve, 7-a third sliding block, 8-a spring pin, 9-a positioning hole, 10-a limiting block, 11-a first connecting plate, 12-a reset spring, 13-a reset plate, 14-a second pulling plate, 15-a sliding rod, 16-a recovery spring and 17-a through hole; 18-a second telescopic rod, 19-a lifting box, 20-a second sliding block, 21-a nut, 22-a threaded column, 23-a second rotating shaft, 24-a limiting plate, 25-an extension rod, 28-a fixed spring, 29-a third sliding groove, 30-a first sliding groove, 31-a second connecting plate, 32-a second shaft sleeve, 33-a second sliding groove, 34-a positioning plate, 51-a pull rod, 52-a connecting rod, 53-a first sliding block, 54-a clamping plate, 61-a first telescopic rod, 62-a lifting spring, 63-a first rotating shaft, 64-a push plate and 65-a roller.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
The present invention provides a clamping mechanism for hot rolled section steel, as shown in FIGS. 1 to 4,
the operating box 1 is internally provided with a clamping mechanism, the clamping mechanism comprises a pull rod 51 and two first sliding blocks 53, one end of the pull rod 51 is fixedly connected with a first pull plate 4, the other end of the pull rod 51 is respectively hinged with one end of a connecting rod 52 through two pin shafts, the other end of the connecting rod 52 is hinged on one side surface of the first sliding block 53 through a pin shaft, the first sliding block 53 is connected in a first sliding groove 30 arranged on one side wall of the inner wall of the operating box 1 in a sliding manner, the upper surface of the first sliding block 53 is fixedly connected with a clamping plate 54, the clamping plate 54 penetrates through a through hole 2 arranged on the upper surface of the inner wall of the first sliding groove 30 and extends to the outer side of the operating box 1, through the arrangement of the pull rod 51 and the connecting rod 52, the connecting rod 52 can be changed in angle and position under the action of the first pin shaft and the second pin shaft by the sliding of the pull rod 51 in the first shaft sleeve 5, so that the first sliding block 53 can slide in the first sliding groove, the clamping plate 54 can be moved by the sliding of the first sliding block 53, and the clamping of the hot rolled section steel can be realized by the movement of the clamping plate 54, so that the section steel can be conveniently clamped and detected by workers.
The lower surface joint of control box 1 has first axle sleeve 5, and sliding connection has pull rod 51 in first axle sleeve 5, the equal fixedly connected with of the left and right sides face of pull rod 51 resets board 13, and the lower surface that resets board 13 passes through reset spring 12 and the lower fixed surface of control box 1 inner wall is connected, through setting up reset spring 12, when need not press from both sides the steel tightly, loosen first arm-tie 4, utilize reset spring 12's elasticity can make reset board 13 drive pull rod 51 reset, thereby make and remove the centre gripping of splint 54 to hot rolling shaped steel, make things convenient for the workman to carry out centre gripping next time.
First arm-tie 4 of one end fixedly connected with of pull rod 51, the lower surface of first arm-tie 4 passes through extension rod 25 fixedly connected with hinge, extension rod 25's the left and right sides face all is through fixed spring 28 fixedly connected with stopper 10, two stoppers 10 are articulated through the hinge, two connecting plates 11 of lower fixed surface of control box 1, third spout 29 has all been seted up on the opposite face of two connecting plates 11, sliding connection has third slider 7 in third spout 29, two third sliders 7 pass through locating plate 34 fixed connection. The upper surface of the positioning plate 34 is provided with a fixing groove 3, and the fixing groove 3 is a cross groove. The third slide block 7 is internally provided with a spring pin 8 matched with the positioning hole 9, and the spring pin 8 is inserted into the positioning hole 9 arranged on the front surface of the connecting plate 11. Or a mounting plate is fixedly connected to the front side of the third sliding block 7, a sliding sleeve is clamped to the front side of the mounting plate, a positioning rod is connected in the sliding sleeve in a sliding mode, a spring is sleeved on the outer surface of the positioning rod, two ends of the spring are fixedly connected with one side face of the sliding sleeve and the outer surface of the positioning rod respectively, and the positioning rod is inserted into a positioning hole 9 formed in the front side of the connecting plate 11. The number of the positioning holes 9 is multiple, the positioning holes 9 are uniformly distributed on the front face of the connecting plate 11, and the third slider 7 can be limited at different positions by the aid of the positioning holes 9 through the positioning holes 9, so that steel plates with different thicknesses can be fixed.
The left side surface and the right side surface of the operation box 1 are fixedly connected with lifting boxes 19, one side surface of each lifting box 19 is provided with a through hole 17, one side wall of each lifting box 19 is connected with a sliding sleeve 32 in a clamping mode, and the sliding sleeve 32 penetrates through the side wall of each lifting box 19. The sliding sleeve 32 is connected with sliding rods 15 in a sliding manner, and the two sliding rods 15 are fixedly connected through the second pulling plate 14. A rotating shaft sleeve 6 is fixedly connected to one side surface of the inner wall of the lifting box 19, a first telescopic rod 61 is fixedly connected to one side surface of the inner wall of the lifting box 19, a lifting spring 62 is sleeved on the outer surface of the first telescopic rod 61, both ends of the lifting spring 62 are fixedly connected with the outer surface of the first telescopic rod 61, a roller 65 is fixedly connected to one end of the first telescopic rod 61, the outer surface of the roller 65 is attached to one side surface of the sliding rod 15, the rotating shaft sleeve 6 is clamped on both left and right side surfaces of the inner wall of the lifting box 19, a first rotating shaft 63 is sleeved in the rotating shaft sleeve 6, a push plate 64 is fixedly connected to the outer surface of the first rotating shaft 63, the push plate 64 is positioned on the upper side of the sliding rod 15, by arranging the first telescopic rod 61 and the lifting spring 62, the first telescopic rod 61 can drive the roller 65 to move by utilizing the elasticity of the lifting spring 62, and the push plate 64 can rotate under the action of the first rotating shaft 63 by utilizing the movement of the roller 65, therefore, the push plate 64 can assist workers in overturning the section steel, and the working difficulty of the workers is reduced.
A side fixedly connected with second telescopic link 18 of first telescopic link 61, the surface cover of second telescopic link 18 is equipped with retrieves spring 16, retrieve spring 16's both ends all with the surface fixed connection of second telescopic link 18, the one end fixedly connected with limiting plate 24 of second telescopic link 18, 19 a lateral wall joint of lifting case has the bearing housing, the bearing housing endotheca is equipped with second pivot 23, the one end fixedly connected with handle of second pivot 23, the other end of second pivot 23 passes the lifting case 19 lateral wall through the bearing housing. The other end of the second rotating shaft 23 is fixedly connected with a threaded column 22, and the outer surface of the threaded column 22 is in threaded connection with a nut 21. Spacing hole has been seted up to nut 21's lower surface, nut 21's last fixed surface is connected with second slider 20, second slider 20 sliding connection is in lifting the second spout 33 that 19 inner wall upper surfaces were seted up, through setting up second telescopic link 18 and retrieving spring 16, utilize the flexible of second telescopic link 18 and retrieve spring 16's elasticity can make limiting plate 24 insert into spacing downthehole, the rotation that utilizes second pivot 23 can make threaded post 22 rotate, the rotation that utilizes threaded post 22 can make nut 21 remove, thereby can drive gyro wheel 65 through limiting plate 24 and get back to again and lift in the case 19, and is not only convenient but also laborsaving.
The working principle is as follows: when the clamping device is used, when the section steel needs to be clamped, the first pulling plate 4 is pulled downwards, the first pulling plate 4 is utilized to drive the pull rod 51 to slide downwards, the connecting rod 52 is changed in angle and position by utilizing the sliding of the pull rod 51, so that the two first sliding blocks 53 drive the two clamping plates 54 to clamp the hot-rolled section steel, when the hot-rolled section steel needs to be always clamped, the spring pin 8 is pressed according to the thickness of the hot-rolled section steel, the third sliding block 7 slides in the third sliding groove 29, so that the position of the fixing groove 3 is changed, when the proper position is reached, the spring pin 8 is loosened, so that the spring pin 8 is inserted into the corresponding positioning hole 9 under the action of the internal spring, the limit block 10 is inserted into the fixing groove 3 by utilizing the elastic force of the fixing spring 28, so that the continuous clamping of the hot-rolled section steel is realized, when the clamping device does not need to be clamped, a worker draws the two limit blocks 10 together towards the middle from the lower side of the fixing groove 3 and moves out of the fixing groove 3, thereby releasing the clamping of the section steel.
When the section steel needs to be turned over, the lifting box 19 is inserted into the bottom of the section steel, the section steel is turned upwards through manpower, meanwhile, the second pulling plate 14 is pulled to enable the sliding rod 15 to move simultaneously and limit the roller 65 is removed, the roller 65 pushes the pushing plate 64 under the action of the lifting spring 62 and the first telescopic rod 61, the pushing plate 64 is used for assisting a worker in turning the section steel, when the roller 65 needs to be withdrawn again, the worker stretches a hand into the lifting box 19 through the through hole 17 and presses the second telescopic rod 18, the limiting plate 24 is inserted into the limiting hole through the elastic force of the recovery spring 16, the second rotating shaft 23 is rotated simultaneously, the threaded column 22 is rotated through rotation of the second rotating shaft 23, and the nut 21 drives the roller 65 to return to the lifting box 19 again.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a hot rolling shaped steel fixture which characterized in that includes: the device comprises an operation box (1), a first shaft sleeve (5), a pull rod (51), two connecting rods (52) and two clamping plates (54);
a first sliding chute (30) is arranged on one side wall of the operation box (1);
two first sliding blocks (53) are arranged in the first sliding groove (30);
the two clamping plates (54) are respectively arranged outside the operation box (1), and one ends of the two clamping plates (54) are respectively correspondingly connected with one end of a first sliding block (53);
the other end of the first sliding block (53) is hinged with the connecting rod (52);
one end of the pull rod (51) penetrates through the side wall of the operation box (1) to extend into the operation box (1), and is hinged with the two connecting rods (52);
the pull rod (51) is connected with the side wall of the operation box (1) through a first shaft sleeve (5); the other end of the pull rod (51) is connected with a first pulling plate (4).
2. The hot rolled steel section holding mechanism according to claim 1,
the left side wall and the right side wall of the operation box (1) are both provided with lifting boxes (19);
a sliding sleeve (32) is clamped on one side wall of the lifting box (19);
a sliding rod (15) is connected in the sliding sleeve (32) in a sliding way;
one end of the sliding rod (15) is connected with a second pulling plate (14);
one side surface of the inner wall of the lifting box (19) is connected with a first telescopic rod (61);
the outer surface of the first telescopic rod (61) is sleeved with a lifting spring (62);
both ends of the lifting spring (62) are fixedly connected with the outer surface of the first telescopic rod (61);
one end of the first telescopic rod (61) is fixedly connected with a roller (65);
the outer surface of the roller (65) is attached to one side surface of the sliding rod (15);
the left side surface and the right side surface of the inner wall of the lifting box (19) are respectively clamped with a rotating shaft sleeve (6);
a first rotating shaft (63) is sleeved in the rotating shaft sleeve (6);
the outer surface of the first rotating shaft (63) is fixedly connected with a push plate (64);
the push plate (64) is positioned on the upper side of the slide rod (15).
3. The hot rolled steel section holding mechanism according to claim 2,
a reset plate (13) and at least two reset springs (12) are arranged in the operation box;
the reset plate (13) is sleeved on the outer side wall of the pull rod (51) and is fixedly connected with the pull rod (51);
the first end of the reset spring (12) is connected with the reset plate (13);
the second end of the return spring (12) is connected with the inner side wall of the operation box (1).
4. The hot rolled steel section holding mechanism according to claim 1,
a first connecting plate (11) and a second connecting plate (31) are symmetrically arranged on two sides of the pull rod (51);
one end of the first connecting plate (11) and one end of the second connecting plate (31) are respectively connected with the outer side wall of the operation box (1);
the first connecting plate (11) and the second connecting plate (31) are both provided with third sliding chutes (29);
the first connecting plate (11) is provided with a plurality of positioning holes (9);
a positioning plate (34) is arranged between the first connecting plate (11) and the second connecting plate (31);
one end of the positioning plate (34) is provided with a third sliding block (7), and the positioning plate (34) is connected into a third sliding groove (29) of the first connecting plate (11) in a sliding manner through the third sliding block (7);
a spring pin (8) matched with the positioning hole (9) is arranged in the third sliding block (7).
5. The hot rolled steel section holding mechanism according to claim 4,
an extension rod (25) is arranged on the lower surface of the first pulling plate (4);
one end of the extension rod (25) is connected with a hinge;
the left side surface and the right side surface of the extension rod (25) are provided with fixed springs (28);
one end of the fixed spring (28) is connected with a limiting block (10);
the two limiting blocks (10) are hinged through hinges;
the middle part of the positioning plate (34) is provided with a fixing groove (3) for inserting the limiting block (10).
6. The hot rolled steel section holding mechanism according to claim 2,
the other side wall of the lifting box (19) is provided with a through hole (17);
one side surface of the first telescopic rod (61) is fixedly connected with a second telescopic rod (18);
the outer surface of the second telescopic rod (18) is sleeved with a recovery spring (16);
both ends of the recovery spring (16) are fixedly connected with the outer surface of the second telescopic rod (18);
one end of the second telescopic rod (18) is fixedly connected with a limit plate (24);
a bearing sleeve is clamped on one side surface of the inner wall of the lifting box (19);
a second rotating shaft (23) is sleeved in the bearing sleeve;
one end of the second rotating shaft (23) is fixedly connected with a handle, and the other end of the second rotating shaft (23) is fixedly connected with a threaded column (22);
the outer surface of the threaded column (22) is connected with a nut (21) in a threaded manner;
the lower surface of the nut (21) is provided with a limiting hole matched with the limiting plate (24), and the upper surface of the nut (21) is fixedly connected with a second sliding block (20);
a second sliding chute (33) is arranged on the upper surface of the inner wall of the lifting box (19);
the second sliding block (20) is connected in a sliding way in the second sliding groove (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121477331.6U CN215430839U (en) | 2021-06-30 | 2021-06-30 | Hot rolling shaped steel fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121477331.6U CN215430839U (en) | 2021-06-30 | 2021-06-30 | Hot rolling shaped steel fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215430839U true CN215430839U (en) | 2022-01-07 |
Family
ID=79714207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121477331.6U Expired - Fee Related CN215430839U (en) | 2021-06-30 | 2021-06-30 | Hot rolling shaped steel fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215430839U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115892959A (en) * | 2023-01-09 | 2023-04-04 | 苏州锐杰微科技集团有限公司 | Connection table for cooling PCB (printed circuit board) and working method thereof |
-
2021
- 2021-06-30 CN CN202121477331.6U patent/CN215430839U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115892959A (en) * | 2023-01-09 | 2023-04-04 | 苏州锐杰微科技集团有限公司 | Connection table for cooling PCB (printed circuit board) and working method thereof |
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| 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: 20220107 |