CN218533458U - Sealing and sealing seat assembling device - Google Patents
Sealing and sealing seat assembling device Download PDFInfo
- Publication number
- CN218533458U CN218533458U CN202223171907.3U CN202223171907U CN218533458U CN 218533458 U CN218533458 U CN 218533458U CN 202223171907 U CN202223171907 U CN 202223171907U CN 218533458 U CN218533458 U CN 218533458U
- Authority
- CN
- China
- Prior art keywords
- sealing
- seat
- pressing
- base
- extrusion
- 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
Images
Landscapes
- Bag Frames (AREA)
Abstract
The utility model discloses a sealing and sealing seat assembling device, wherein the extruding mechanism comprises an extruding pressing cylinder and an extruding base, and the pressing mechanism comprises a pressing cylinder and a pressing base; the top of the extrusion base is provided with a bearing groove for bearing the sealing seat, and the bottom of the sealing seat is communicated with the inside of the extrusion base; the bottom of the extrusion pressing cylinder is provided with an extrusion bulge so as to be abutted against the hard side wall at the top of the sealing part; an embedded groove is formed in the top of the press-in base, and an avoidance cavity communicated with the embedded groove is formed in the bottom of the press-in base; the bottom edge of the pressing cylinder is provided with a pressing bulge along the circumferential direction, the outer side wall is provided with a limiting bulge along the circumferential direction, the bottom of the pressing cylinder stretches into the sealing seat and abuts against the hard side wall of the sealing bottom through the pressing bulge, and the limiting bulge abuts against the bottom edge of the sealing seat. The utility model discloses can avoid the condition of manual operation difficulty, smooth impress, the seat of obturating of extrusion of obturating, simple structure, easy to operate has better practicality.
Description
Technical Field
The utility model belongs to the technical field of the assembly fixture that obturages, concretely relates to seat assembly quality obturages and obturages.
Background
In the field of aeromechanical equipment, sealing and sealing seats are required to be used for sealing assembly, so that oil leakage is prevented. In the industrial production process, the sealing and the sealing seat are inevitably required to be disassembled and assembled, however, the sealing and the sealing seat are tightly matched, and the sealing seat are difficult to put in and take out under the general condition. At present, most of the existing tools which are simply spliced are used for multi-person cooperation operation, assembly devices for sealing and sealing seats are rarely sold in the market, and the existing disassembling and assembling method is low in efficiency and high in cost for large-batch industrial production, so that the problem needs to be solved urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a seal and seat assembly quality of sealing aims at solving above-mentioned problem. The utility model discloses can avoid the condition of manual operation difficulty, smooth impress, the seat of obturating of extrusion of obturating, simple structure, easy to operate has better practicality.
The utility model discloses mainly realize through following technical scheme:
a sealing and sealing seat assembling device comprises an extruding mechanism and a pressing-in mechanism, wherein the extruding mechanism comprises an extruding pressing cylinder and an extruding base, and the pressing-in mechanism comprises a pressing-in pressing cylinder and a pressing-in base; the top of the extrusion base is provided with a bearing groove which is used for bearing the sealing seat and is communicated with the internal cavity, and the bottom of the sealing seat is communicated with the internal cavity of the extrusion base; the bottom of the extrusion pressing cylinder is provided with an extrusion bulge corresponding to the sealed hard side wall, and the bottom of the extrusion pressing cylinder extends into the sealing seat and is abutted against the sealed top hard side wall through the extrusion bulge; an embedded groove is formed in the top of the pressing-in base, an avoiding cavity communicated with the embedded groove is formed in the bottom of the pressing-in base, the inverted limiting block of the sealing seat is clamped in the embedded groove, and a protrusion on the top of the sealing seat is located in the avoiding cavity; the bottom edge of the pressing cylinder of impressing is provided with the bulge of impressing along circumference, and the lateral wall is provided with spacing arch along circumference, the bottom of the pressing cylinder of impressing stretches into the seat of obturating inside and through the bulge of impressing and the hard lateral wall butt in bottom of obturating, spacing arch be used for with the spacing butt in bottom edge of the seat of obturating.
In order to realize better the utility model discloses, furtherly, accept the top in groove and the top support butt of the seat of obturating, and the inside of accepting the seat is provided with along circumference and accepts the step, it accepts the bottom edge of step and the seat of obturating.
In order to better realize the utility model, furthermore, the left side and the right side of the bottom of the extrusion pressing cylinder are respectively provided with a sliding side wall corresponding to the top of the sealing seat, and the bottom of the sliding side wall is provided with an arc-shaped avoiding groove for avoiding the sealed inner side wall; protruding support seats are symmetrically arranged on the front side and the rear side of the bottom of the extruding pressing cylinder respectively, and extruding protrusions are arranged at the bottoms of the protruding support seats.
In order to realize better the utility model discloses, furtherly, the embedded groove is inside to be provided with the step terminal surface along circumference, the step terminal surface and the top support butt of the seat of obturating, and the bottom edge of the seat of obturating upwards extends the setting of the base of impressing.
In order to better realize the utility model discloses, furtherly, the bottom of the pressure section of thick bamboo of impressing is provided with the recess, the bottom edge of recess is for impressing the arch, the lateral wall of recess is provided with bellied spacing arch along circumference.
In order to realize better the utility model discloses, furtherly, spacing bellied external diameter is less than or equal to the internal diameter of embedded groove.
The utility model has the advantages as follows:
the utility model discloses in the use, when needs assembly seal and the seat of obturating, adopt the mechanism of impressing to impress the seat of obturating, during the operation, at first will seal the seat of placing of invering in the embedded groove of the base of impressing, then will seal and place in the seat of obturating in advance, will impress the bottom of a pressing section of thick bamboo and impress the hard lateral wall edge in bottom that protruding butt is obturated, exert pressure to the pressing section of thick bamboo of impressing, make the seat of obturating of impressing. When the sealing pre-sealing seat needs to be detached, the sealing and the sealing seat in an assembly state are integrally placed in a bearing groove at the top of the extrusion base, then the extrusion pressing barrel slides to stretch into the sealing seat, the extrusion protrusion is abutted against the hard side wall of the sealed top, pressure is applied to the extrusion pressing barrel, the sealing extrusion seat is sealed, and the interior of the extrusion base is guided out. The utility model discloses can avoid the condition of manual operation difficulty, smooth impress, the seat of obturaging of extrusion of obturating, simple structure, easy to operate has better practicality.
Drawings
FIG. 1 is a schematic view of a connection structure of an extruding mechanism;
FIG. 2 is a diagram of the operation of the extruding mechanism;
FIG. 3 is a top view of FIG. 2;
FIG. 4 isbase:Sub>A sectional view A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 6 is a schematic view of the configuration of an extrusion press cylinder;
FIG. 7 is a schematic view of the connection structure of the press-in mechanism;
FIG. 8 is a view showing an operation state of the press-in mechanism;
FIG. 9 is a cross-sectional view taken at C-C of FIG. 8;
FIG. 10 is a schematic view of the connection structure of the seal and the seal holder;
FIG. 11 is a top view of FIG. 10;
fig. 12 is a cross-sectional view taken along line D-D of fig. 10.
Wherein: 1. the method comprises the steps of extruding a pressing cylinder, 2 extruding a base, 3 pressing the pressing cylinder, 4 pressing the pressing cylinder into the base, 5 sealing and 6 sealing a base.
Detailed Description
Example 1:
a sealing and sealing seat assembling device is shown in figures 1-9 and comprises an extruding mechanism and a pressing-in mechanism, wherein the extruding mechanism comprises an extruding pressing cylinder 1 and an extruding base 2, and the pressing-in mechanism comprises a pressing-in pressing cylinder 3 and a pressing-in base 4; the top of the extrusion base 2 is provided with a bearing groove which is used for bearing the sealing seat 6 and is communicated with the internal cavity, and the bottom of the sealing seat 6 is communicated with the internal cavity of the extrusion base 2; the bottom of the extrusion pressing barrel 1 is provided with an extrusion bulge corresponding to the hard side wall of the seal 5, and the bottom of the extrusion pressing barrel 1 extends into the seal seat 6 and is abutted against the hard side wall at the top of the seal 5 through the extrusion bulge; an embedded groove is formed in the top of the press-in base 4, an avoidance cavity communicated with the embedded groove is formed in the bottom of the press-in base, the inverted limiting clamp of the sealing seat 6 is arranged in the embedded groove, and a protrusion on the top of the sealing seat 6 is located in the avoidance cavity; the bottom edge of the pressing cylinder 3 that impresses is provided with the arch of impressing along circumference, and the lateral wall is provided with spacing arch along circumference, the bottom of the pressing cylinder 3 that impresses stretches into inside 6 seats of obturating and through the arch of impressing 5 hard bottom lateral walls butts of obturating, spacing arch is used for the spacing butt in bottom edge with 6 seats of obturating.
Preferably, as shown in fig. 1 to 5, the top of the receiving groove abuts against the top seat of the sealing seat 6, and a receiving step is circumferentially arranged inside the receiving seat and is received by the bottom edge of the sealing seat 6.
Preferably, as shown in fig. 1 to 6, sliding side walls are respectively arranged on the left and right sides of the bottom of the extruding cylinder 1 corresponding to the top of the sealing seat 6, and an arc-shaped avoiding groove is arranged at the bottom of each sliding side wall for avoiding the inner side wall of the seal 5; protruding supports are symmetrically arranged on the front side and the rear side of the bottom of the extruding cylinder 1 respectively, and extruding protrusions are arranged at the bottoms of the protruding supports.
Preferably, the outer diameter of the limiting protrusion is smaller than or equal to the inner diameter of the embedding groove.
Preferably, as shown in fig. 7 to 9, a step end face is circumferentially arranged inside the embedded groove, the step end face abuts against a top support of the sealing seat 6, and the bottom edge of the sealing seat 6 extends upwards to be arranged on the press-in base 4.
Preferably, as shown in fig. 7-9, a groove is provided at the bottom of the press-in press cylinder 3, the bottom edge of the groove is a press-in protrusion, and a protruding limit protrusion is provided on the outer side wall of the groove along the circumferential direction.
The utility model discloses in the use, when needing assembly 5 of obturating and the seat 6 of obturating, adopt the mechanism of impressing 5 seat 6 of obturating of impressing, during the operation, at first place the placing of 6 inversions of the seat of obturating in the embedded groove of the base 4 of impressing, then will obturating 5 and place in seat 6 of obturating in advance, will impress the bottom of a 3 section of thick bamboo 3 and impress the hard lateral wall edge in bottom of protruding butt 5 of obturating, to impressing a 3 pressure of exerting, make 5 of obturating impress seat 6. When the sealing 5 pre-sealing seat 6 needs to be disassembled, the sealing 5 and the sealing seat 6 in an assembling state are integrally placed in a bearing groove at the top of the extrusion base 2, then the extrusion pressing barrel 1 is slid into the sealing seat 6, the extrusion protrusion is abutted against the hard side wall at the top of the sealing 5, pressure is applied to the extrusion pressing barrel 1, the sealing 5 is extruded out of the sealing seat 6, and the sealing seat 6 is led out of the extrusion base 2. The utility model discloses can avoid the condition of manual operation difficulty, smooth 5 impresses, extrudes the seat of obturating 6 of obturating, simple structure, easy to operate has better practicality.
Example 2:
a sealing and sealing seat assembling device is shown in figures 1-6 and comprises an extruding mechanism, wherein the extruding mechanism comprises an extruding pressing barrel 1 and an extruding base 2. Extrusion base 2 is the tubular structure, and the top is provided with accepts the groove, the bottom of seat 6 of obturating with accept the groove joint, and the bottom of seat 6 of obturating link up with the inside of extrusion base 2, the inside internal diameter of extrusion base 2 is more than or equal to the external diameter of 5 of obturating to the convenience is with 5 extrusion of obturating, derive. The bottom of the extrusion pressing barrel 1 is convexly provided with extrusion bulges corresponding to the sealing 5, and the bottom of the extrusion pressing barrel 1 extends into the sealing seat 6 and is abutted against the hard side wall at the top of the sealing 5 through the extrusion bulges.
Preferably, the top of the bearing groove abuts against the edge of the top support of the sealing seat 6, a bearing step is arranged inside the bearing seat along the circumferential direction, and the bearing step is in bearing connection with the edge of the bottom of the sealing seat 6. Preferably, the left side and the right side of the bottom of the extrusion pressing cylinder 1 are respectively provided with a sliding side wall corresponding to the top of the sealing seat 6, and the bottom of the sliding side wall is provided with an arc-shaped avoiding groove for avoiding the inner side wall of the seal 5; protruding support seats are symmetrically arranged on the front side and the rear side of the bottom of the extruding pressing cylinder 1 respectively, and extruding protrusions are arranged at the bottoms of the protruding support seats.
Preferably, as shown in fig. 7-9, the device further comprises a pressing mechanism, wherein the pressing mechanism comprises a pressing cylinder 3 and a pressing base 4. An embedded groove is formed in the top of the press-in base 4, an avoidance cavity communicated with the embedded groove is formed in the bottom of the press-in base, the inverted limiting clamp of the sealing seat 6 is arranged in the embedded groove, and a protrusion on the top of the sealing seat 6 is located in the avoidance cavity; the bottom edge of the pressing cylinder 3 that impresses is provided with the arch of impressing along circumference, and the lateral wall is provided with spacing arch along circumference, the bottom of the pressing cylinder 3 that impresses stretches into inside the seat of obturating 6 and through the arch of impressing 5 hard bottom lateral walls butts, spacing arch and the bottom edge butt of the seat of obturating 6.
Preferably, the outer diameter of the limiting protrusion is smaller than or equal to the inner diameter of the embedding groove. Reduce the interference of spacing arch and embedded groove.
Preferably, the inside step terminal surface that is provided with along circumference of embedded groove, the step terminal surface supports the butt with the top support of the seat of obturating 6, and the bottom edge of the seat of obturating 6 upwards extends the base 4 of impressing and presses the spacing arch butt of a section of thick bamboo 3 with impressing. The bottom of the press cylinder 3 is provided with a groove, the bottom edge of the groove is an press protrusion, and the outer side wall of the groove is provided with a raised limiting protrusion along the circumferential direction.
The utility model discloses in the use, when needing assembly 5 of obturating and the seat 6 of obturating, adopt the mechanism of impressing 5 seat 6 of obturating of impressing, during the operation, at first place the placing of 6 inversions of the seat of obturating in the embedded groove of the base 4 of impressing, then will obturating 5 and place in seat 6 of obturating in advance, will impress the bottom of a 3 section of thick bamboo 3 and impress the hard lateral wall edge in bottom of protruding butt 5 of obturating, to impressing a 3 pressure of exerting, make 5 of obturating impress seat 6. When the sealing 5 pre-sealing seat 6 needs to be disassembled, the sealing 5 and the sealing seat 6 in an assembling state are integrally placed in a bearing groove at the top of the extrusion base 2, then the extrusion pressing barrel 1 is slid into the sealing seat 6, the extrusion protrusion is abutted against the hard side wall at the top of the sealing 5, pressure is applied to the extrusion pressing barrel 1, the sealing 5 is extruded out of the sealing seat 6, and the sealing seat 6 is led out of the extrusion base 2. The utility model discloses can avoid the condition of manual operation difficulty, smooth 5 impresses, extrudes the seat of obturating 6 of obturating, simple structure, easy to operate has better practicality.
Example 3:
a sealing and sealing seat assembling device is shown in figures 1-9 and comprises an extruding mechanism and a pressing-in mechanism, wherein the extruding mechanism comprises an extruding pressing barrel 1 and an extruding base 2, and the pressing-in mechanism comprises a pressing-in pressing barrel 3 and a pressing-in base 4.
As shown in fig. 1-6, the bottom of the pressing cylinder 1 slides into the sealing seat 6, and the two sides of the pressing cylinder are provided with pressing protrusions corresponding to the outer side walls of the sealing 5, and the other two side walls are slidably connected with the sealing seat 6, and the bottom edge of the pressing cylinder is provided with an arc-shaped avoiding groove corresponding to the inner side wall of the sealing 5. The extrusion base 2 is of a step-shaped through tubular structure, and the inner hole diameter of the extrusion base is larger than or equal to the diameter of the sealing member 5. The top of the extrusion base 2 is provided with a receiving groove communicated with the inside corresponding to the sealing seat 6, and the inner diameter of the receiving groove is smaller than that of the inside of the extrusion base 2, so that the sealing 5 can be conveniently extruded and guided out. The top edge of the bearing groove is abutted against the bottom of the top side wall of the sealing 5 groove, an annular bearing step is arranged inside the bearing groove along the circumferential direction, and the bearing step is supported by the bottom edge of the sealing seat 6.
As shown in fig. 7-9, an embedded groove is formed at the top of the press-in base 4, and an avoiding cavity communicated with the embedded groove is formed at the bottom of the press-in base for accommodating a protruding mechanism at the top of the sealing seat 6. The inside of embedded groove is provided with annular step terminal surface along circumference, and the top lateral wall butt of step terminal surface and the seat of obturating 6 for accept the seat of obturating 6. The sealing seat 6 is integrally placed in the embedded groove in the top of the press-in base 4 in an inverted mode, then the sealing 5 is placed in the sealing seat 6 in advance, and the sealing 5 is pressed into the sealing seat 6 through the press-in bulge of the press-in pressing cylinder 3. The bottom of the pressing cylinder 3 is provided with an annular pressing bulge, the outer side wall is provided with a limiting bulge along the circumferential direction, and the limiting bulge is abutted against the edge of the bottom of the sealing seat 6. Preferably, the bottom edge of the sealing seat 6 extends upwards to form an embedded groove and is supported by a limiting protrusion of the pressing cylinder 3, so that the operation interference is reduced.
As shown in fig. 7 to 9, when the seal 5 and the seal holder 6 are separated, the seal holder 6 is placed in the press-in base 4, then the seal 5 is placed above the seal holder 6, the press-in press cylinder 3 is used to hold the seal 5 above the hard material (outer sidewall), and then the press-in press cylinder 3 can be pressed downward by a manual press machine, so that the pressure is transmitted to the seal 5 through the press-in press cylinder 3, and the seal 5 is pressed into the seal holder 6. As shown in fig. 10-12, the seal 5 and the seal holder 6 are in a coupled state. As shown in fig. 1-5, the two are put into the extrusion base 2, the extrusion cylinder 1 is placed above (outside wall) the hard material of the seal 5, the extrusion cylinder 1 is pressed downward by a hand-operated press, and pressure is applied to the seal 5 through the extrusion cylinder 1, so that the seal 5 is extruded out of the seal holder 6. The utility model discloses can avoid the condition of manual operation difficulty, smooth 5 impresses, extrudes the seat 6 of obturating, simple structure, easy to operate has better practicality.
The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention in any form, and all the technical matters of the present invention are all within the protection scope of the present invention for any simple modification and equivalent change of the above embodiments.
Claims (6)
1. The sealing and sealing seat assembling device is characterized by comprising an extruding mechanism and a pressing-in mechanism, wherein the extruding mechanism comprises an extruding pressing cylinder (1) and an extruding base (2), and the pressing-in mechanism comprises a pressing-in pressing cylinder (3) and a pressing-in base (4); the top of the extrusion base (2) is provided with a bearing groove which is used for bearing the sealing seat (6) and is communicated with the inner cavity, and the bottom of the sealing seat (6) is communicated with the inner cavity of the extrusion base (2); the bottom of the extrusion pressing cylinder (1) is provided with extrusion bulges corresponding to the hard side wall of the seal (5), and the bottom of the extrusion pressing cylinder (1) extends into the seal seat (6) and is abutted against the hard side wall at the top of the seal (5) through the extrusion bulges; an embedded groove is formed in the top of the pressing-in base (4), an avoiding cavity communicated with the embedded groove is formed in the bottom of the pressing-in base, the inverted limiting block of the sealing seat (6) is clamped in the embedded groove, and a protrusion on the top of the sealing seat (6) is located in the avoiding cavity; the bottom edge of a pressure section of thick bamboo (3) of impressing is provided with along circumference and impresses the arch, and the lateral wall is provided with spacing arch along circumference, the bottom of a pressure section of thick bamboo (3) of impressing stretches into inside the seat of obturating (6) and through the arch of impressing and the hard lateral wall butt in (5) bottom of obturating, spacing arch is used for the bottom edge spacing butt with seat of obturating (6).
2. A sealing and obturating seat assembling device according to claim 1, characterized in that the top of the receiving groove abuts against the top support of the sealing seat (6), and a receiving step is circumferentially arranged inside the receiving seat and is received by the bottom edge of the sealing seat (6).
3. The sealing and obturating seat assembling device according to claim 1 or 2, characterized in that the left side and the right side of the bottom of the extruding cylinder (1) are respectively provided with a sliding side wall corresponding to the top of the obturating seat (6), and the bottom of the sliding side wall is provided with an arc-shaped avoiding groove for avoiding the inner side wall of the seal (5); protruding supports are symmetrically arranged on the front side and the rear side of the bottom of the extruding pressing cylinder (1) respectively, and extruding protrusions are arranged at the bottoms of the protruding supports.
4. The sealing and sealing seat assembling device according to claim 1, wherein a step end face is arranged inside the embedded groove along the circumferential direction, the step end face is abutted against a top support of the sealing seat (6), and the bottom edge of the sealing seat (6) extends upwards to form a press-in base (4).
5. The assembly device of the sealing and sealing seat according to claim 1 or 4, characterized in that the bottom of the pressing cylinder (3) is provided with a groove, the bottom edge of the groove is a pressing protrusion, and the outer side wall of the groove is circumferentially provided with a protruding limiting protrusion.
6. The assembly device of claim 5, wherein the outer diameter of the limiting protrusion is smaller than or equal to the inner diameter of the insertion groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223171907.3U CN218533458U (en) | 2022-11-29 | 2022-11-29 | Sealing and sealing seat assembling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223171907.3U CN218533458U (en) | 2022-11-29 | 2022-11-29 | Sealing and sealing seat assembling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218533458U true CN218533458U (en) | 2023-02-28 |
Family
ID=85265391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223171907.3U Active CN218533458U (en) | 2022-11-29 | 2022-11-29 | Sealing and sealing seat assembling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218533458U (en) |
-
2022
- 2022-11-29 CN CN202223171907.3U patent/CN218533458U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218533458U (en) | Sealing and sealing seat assembling device | |
| CN106584349A (en) | Assembling tool for crankshaft rear oil seal | |
| CN102914434A (en) | Rapid pluggable sealing inflation mechanism | |
| CN211915990U (en) | Rubber joint's overcoat extrusion die | |
| CN212330364U (en) | Clamping device for drilling of duplicate gears | |
| CN206981549U (en) | Spring eye is pressed into the mould of composite bush | |
| CN209919128U (en) | Synchronous welding assembly for new energy battery shell | |
| CN213388325U (en) | Bottle end mould of assembling fast | |
| CN107891113B (en) | Welding-free triangular arc rib integrated drill rod clamping device and processing method thereof | |
| CN217315702U (en) | Riveting assembly jig | |
| CN216632333U (en) | Heat pipe degassing and sealing device | |
| CN116900147B (en) | Multi-cavity cup falling stamping device capable of quickly replacing die | |
| CN221003819U (en) | Constant-current structure and lighter air outlet seat with same | |
| CN216462883U (en) | Device compatible with press mounting of bearing, oil seal, cylindrical pin and bushing | |
| CN115790987B (en) | Pressure test plug for open end of conduit | |
| CN220726745U (en) | Clamping structure of tail cover and inner support of electric toothbrush | |
| CN210435986U (en) | Pipe clamping device | |
| CN220007990U (en) | Sealing gasket punching tool applicable to water valve of automobile thermal management system | |
| CN220166136U (en) | Combined PCR plate structure | |
| CN214576888U (en) | High-pressure water injection self-sealing tool | |
| CN111660780B (en) | Rubber and plastic sealing assembly for automobile door | |
| CN212442960U (en) | Gasket punch forming equipment | |
| CN219130471U (en) | Water swelling machine adopting mechanical mode locking | |
| CN218844131U (en) | Novel hollow glass | |
| CN216731514U (en) | Motor worm press-fitting tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |