CN114608754B - Multi-variety toilet leak detector - Google Patents
Multi-variety toilet leak detector Download PDFInfo
- Publication number
- CN114608754B CN114608754B CN202210318126.8A CN202210318126A CN114608754B CN 114608754 B CN114608754 B CN 114608754B CN 202210318126 A CN202210318126 A CN 202210318126A CN 114608754 B CN114608754 B CN 114608754B
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- plate
- fixedly connected
- sliding
- lifting cylinder
- water outlet
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- 238000007789 sealing Methods 0.000 claims abstract description 65
- 238000012360 testing method Methods 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000004519 grease Substances 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G13/00—Roller-ways
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a multi-variety toilet leak source detector which comprises a support column, a top plate, support legs, a power carrier roller, an opening, a vacuum pump, a first lifting cylinder, a first sealing plate, a first guide rod, a limiting block, a lower water outlet sealing test device, a top sealing test device, a rear water outlet sealing test device, a bottom plate and the like, wherein the support column is arranged on the top plate; the invention has the sliding conversion function of the split toilet and the upper sealing pressing plate of the conjoined toilet, and the distance adjustment function, thereby being applicable to toilets with different specifications; the distance of the lower water outlet sealing plate can be adjusted, and the rear water outlet sealing plug can be adjusted according to the water outlet angle, so that the water outlet sealing plate is suitable for toilets with different specifications; the invention can be adjusted arbitrarily according to various specifications and models of the toilet bowl, and meets the detection requirement.
Description
Technical Field
The invention relates to the technical field of toilets, in particular to a multi-variety toilet leak detector.
Background
The sanitary ceramic manufacturer toilet seat is fired and then subjected to leakage point inspection test, the types of the toilet seat are divided into a split toilet seat, a lower drainage type, a drain port distance of 300mm type, a 400mm type rear drainage type, a rear drainage level drainage type and a lower inclination of 15 degrees, the types of the connected toilet seat are various, the functions of the toilet seat leakage point inspection equipment in the conventional sanitary ceramic production are single, each detection equipment can only detect one toilet seat, a plurality of toilet seat detection machines matched with a detection workshop can only meet the detection use of a plurality of types, the occupied space is large, and the equipment investment is large.
The multifunctional integrated detection machine for the multiple varieties of the toilet bowl is innovatively developed and designed aiming at the conditions, and can detect leakage points of the toilet bowl (the model of 300-400 mm of lower drainage of the split toilet bowl, the model of 15-30 degrees of rear drainage level and lower inclination of the split toilet bowl) and various models of the split toilet bowl.
Disclosure of Invention
The invention aims to solve the problems and provides a multi-variety toilet leak detector.
In order to solve the problems, the invention provides a technical scheme that: a multi-variety toilet leak source detector comprises a support column, a top plate, support legs, a power carrier roller, an opening, a vacuum pump, a first lifting cylinder, a first sealing plate, a first guide rod, a limiting block, a lower water outlet sealing test device, a top sealing test device, a rear water outlet sealing test device and a bottom plate; a plurality of support columns are fixedly connected to the periphery of the lower surface of the top plate, and support legs are fixedly connected to the tail ends of the support columns; a power idler is arranged between the middle end positions of the support columns, and an opening is arranged at the center position of the power idler; a bottom plate is fixedly connected between the lower end positions of the support columns, and a vacuum pump is fixedly connected to the bottom plate; the left side of the upper surface of the top plate is fixedly connected with a first lifting cylinder; a first sealing plate is fixedly connected to an output shaft of the first lifting cylinder; the two sides of the upper surface of the first sealing plate are fixedly connected with first guide rods, the first guide rods are slidably connected in the top plate, and limiting blocks are fixedly connected to the top ends of the first guide rods; a top sealing test device is arranged at the middle end of the top plate; a rear water outlet sealing test device is arranged at the right end of the top plate; the vacuum pump is communicated with the inside of the first sealing plate through a hose.
Preferably, the specific structure of the lower drain opening sealing test device comprises: the device comprises a concave seat, a first sliding rail, a sliding block, a first cylinder seat, a first electric push rod, a second lifting cylinder and a lower drainage sealing plate; the concave seat is fixedly connected to the center of the lower surface of the power carrier roller; a first sliding rail is fixedly connected in the bottom end inside the concave seat; the first sliding rail is connected with two sliding blocks which are spaced from each other in a sliding manner, and the first cylinder seat is fixedly connected to the sliding blocks; the right side surface of the concave seat is fixedly connected with a first electric push rod, and an output shaft of the first electric push rod is fixedly connected with a first cylinder seat; and the output shaft of the second lifting cylinder is fixedly connected with a lower drainage sealing plate.
Preferably, the specific structure of the top sealing test device comprises: the device comprises a third lifting cylinder, a sliding guide rail, a movable sliding plate, a second guide rod, a sliding plate, a connected sealing pressing plate, a sliding seat, a split sealing pressing plate and a second electric push rod; the third lifting cylinder is fixedly connected to the center of the movable sliding plate; the center position of the lower surface of the top plate is connected with a movable sliding plate in a sliding manner through two sliding guide rails; a sliding plate is fixedly connected to the output end of the third lifting cylinder; the left side of the lower surface of the sliding plate is fixedly connected with a connected sealing pressing plate; the left side of the upper surface of the sliding plate is fixedly connected with two second guide rods which are spaced from each other, and the second guide rods are connected in the movable sliding plate in a sliding way; the right side of the lower surface of the sliding plate is fixedly connected with a second electric push rod; the sliding plate is connected with a sliding seat in a sliding manner, and the sliding seat is fixedly connected with an output shaft of the second electric push rod; the lower surface of the sliding seat is fixedly connected with a split sealing pressing plate.
Preferably, the specific structure of the rear drain opening sealing test device comprises: the device comprises a fourth lifting cylinder, a second sliding rail, a lifting plate, a second cylinder seat, a fifth lifting cylinder, an angle adjusting bolt, a hinge pin shaft, a rear water outlet sealing block and a connecting plate; the fourth lifting cylinder is fixedly connected to the right side of the upper surface of the top plate; the inner side surfaces of the two support columns on the right side are fixedly connected with second slide rails; the lifting plate is connected between the second sliding rails in a sliding manner; the lifting plate is fixedly connected with a second cylinder seat, and the output ends of the second cylinder seat and the fourth lifting cylinder are fixedly connected together; a fifth lifting cylinder is fixedly connected in the second cylinder seat; a connecting plate is fixedly connected to the output shaft of the fifth lifting cylinder; a rear water outlet sealing block is hinged to the top end of the connecting plate through a hinge pin shaft; the bottom end of the connecting plate is connected with an angle adjusting bolt for adjusting the rear water outlet sealing block through threads.
Preferably, the second sliding rail is coated with lubricating grease.
Preferably, the support leg has a disk shape.
The invention has the beneficial effects that:
(1) The invention has the sliding conversion function of the split toilet and the upper sealing pressing plate of the conjoined toilet and the distance adjustment function, thereby being applicable to toilets with different specifications.
(2) The distance of the lower water outlet sealing plate can be adjusted, and the rear water outlet sealing plug can be adjusted according to the water outlet angle, so that the water outlet sealing plate is suitable for toilets with different specifications.
(3) The invention can be adjusted arbitrarily according to various specifications and models of the toilet bowl, and meets the detection requirement.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic top view of the power idler of the present invention.
FIG. 3 is a schematic diagram of a device for testing the closure of a drain outlet.
FIG. 4 is a schematic diagram of a top closure test apparatus according to the present invention.
FIG. 5 is a schematic diagram of a top-sealing test device according to the present invention.
Fig. 6 is a schematic structural view of the rear drain closure testing apparatus according to the present invention.
Fig. 7 is a schematic structural diagram of a rear drain closure testing apparatus according to the present invention.
Fig. 8 is a partial schematic view of the structure of fig. 7 according to the present invention.
Detailed Description
As shown in fig. 1 to 8, the present embodiment adopts the following technical scheme: the multi-variety toilet leak source detector comprises a support column 1, a top plate 2, support legs 3, a power idler roller 4, an opening 5, a vacuum pump 6, a first lifting cylinder 7, a first sealing plate 8, a first guide rod 9, a limiting block 10, a lower water outlet sealing test device 11, a top sealing test device 12, a rear water outlet sealing test device 13 and a bottom plate 14; a plurality of support columns 1 are fixedly connected to the periphery of the lower surface of the top plate 2, and support legs 3 are fixedly connected to the tail ends of the support columns 1; a power idler roller 4 is arranged between the middle end positions of the support columns 1, and an opening 5 is arranged in the center position of the power idler roller 4; a bottom plate 14 is fixedly connected between the lower end positions of the support columns 1, and a vacuum pump 6 is fixedly connected to the bottom plate 14; the left side of the upper surface of the top plate 2 is fixedly connected with a first lifting cylinder 7; a first sealing plate 8 is fixedly connected to the output shaft of the first lifting cylinder 7; the two sides of the upper surface of the first closing plate 8 are fixedly connected with first guide rods 9, the first guide rods 9 are slidably connected in the top plate 2, and the top ends of the first guide rods 9 are fixedly connected with limiting blocks 10; a top sealing test device 12 is arranged at the middle end position of the top plate 2; a rear water outlet sealing test device 13 is arranged at the right end position of the top plate 2; the vacuum pump 6 communicates with the interior of the first closing plate 8 via a hose.
As shown in fig. 1 to 8, the specific structure of the lower drain opening closing test device 11 includes: the device comprises a concave seat 111, a first sliding rail 112, a sliding block 113, a first cylinder seat 114, a first electric push rod 115, a second lifting cylinder 116 and a lower drainage closing plate 117; the concave seat 111 is fixedly connected to the center of the lower surface of the power carrier roller 4; a first sliding rail 112 is fixedly connected in the bottom end inside the concave seat 111; the first sliding rail 112 is slidably connected with two sliding blocks 113 which are spaced from each other, and the first cylinder base 114 is fixedly connected to the sliding blocks 113; a first electric push rod 115 is fixedly connected to the right side surface of the concave seat 111, and an output shaft of the first electric push rod 115 is fixedly connected with a first cylinder seat 114; the output shaft of the second lifting cylinder 116 is fixedly connected with a lower drainage closing plate 117.
As shown in fig. 1 to 8, the specific structure of the top closure test device 12 includes: the third lifting cylinder 121, the sliding guide rail 122, the movable sliding plate 123, the second guide rod 124, the sliding plate 125, the integrated closing pressing plate 126, the sliding seat 127, the split closing pressing plate 128 and the second electric push rod 129; the third lifting cylinder 121 is fixedly connected to the center of the movable sliding plate 123; a movable sliding plate 123 is slidably connected to the central position of the lower surface of the top plate 2 through two sliding guide rails 122; a sliding plate 125 is fixedly connected to the output end of the third lifting cylinder 121; the left side of the lower surface of the sliding plate 125 is fixedly connected with a conjoined closing pressing plate 126; the left side of the upper surface of the sliding plate 125 is fixedly connected with two second guide rods 124 which are spaced from each other, and the second guide rods 124 are slidably connected in the movable sliding plate 123; the right side of the lower surface of the sliding plate 125 is fixedly connected with a second electric push rod 129; the sliding plate 125 is slidably connected with a sliding seat 127, and the sliding seat 127 is fixedly connected with an output shaft of the second electric push rod 129; a split closing pressing plate 128 is fixedly connected to the lower surface of the sliding seat 127.
As shown in fig. 1 to 8, the specific structure of the rear drain closure test device 13 includes: a fourth lifting cylinder 131, a second sliding rail 132, a lifting plate 133, a second cylinder block 134, a fifth lifting cylinder 135, an angle adjusting bolt 136, a hinge pin 137, a rear drain opening closing plug 138 and a connecting plate 139; the fourth lifting cylinder 131 is fixedly connected to the right side of the upper surface of the top plate 2; a second sliding rail 132 is fixedly connected to the inner side surfaces of the two supporting columns 1 on the right side; the lifting plate 133 is slidably connected between the second sliding rails 132; a second cylinder block 134 is fixedly connected to the lifting plate 133, and the output ends of the second cylinder block 134 and the fourth lifting cylinder 131 are fixedly connected together; a fifth lifting cylinder 135 is fixedly connected in the second cylinder block 134; a connecting plate 139 is fixedly connected to the output shaft of the fifth lifting cylinder 135; a rear drain opening closing plug 138 is hinged to the top end of the connecting plate 139 through a hinge pin 137; an angle adjusting bolt 136 for adjusting a rear drain opening closing plug 138 is connected to the bottom end of the connecting plate 139 through threads.
Wherein the second sliding rail 132 is coated with grease; the supporting legs 3 are disc-shaped.
The use state of the invention is as follows: after the toilet to be detected is placed on the power carrier roller 4, the toilet moves to the middle end position of the power carrier roller 4, the first electric push rod 115 and the second lifting cylinder 116 work in a linkage way, the lower drainage sealing plate 117 butts against the lower bottom end of the toilet, the first lifting cylinder 7 drives the first sealing plate 8 to move downwards against the barrel seat of the toilet, then the second electric push rod 129 is started to drive the sliding seat 127 to move left and right according to the type of the toilet to be detected, so that the conjoined sealing pressing plate 126 or the split sealing pressing plate 128 is selected, finally the third lifting cylinder 121 drives the sliding plate 125 to move downwards, the water tank is blocked, the angle adjusting bolt 136 is rotated, the angle of the rear water outlet sealing plug 138 is adjusted, the fourth lifting cylinder 131 and the fifth lifting cylinder 135 work in a linkage way, the rear water outlet sealing plug 138 butts against the rear water outlet of the toilet, and finally the vacuum pump 6 works for leak point detection.
In the description of the invention, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the invention and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or be integrated; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms in the invention will be understood by those of ordinary skill in the art.
While the basic principles and main features of the invention and advantages of the invention have been shown and described, it will be understood by those skilled in the art that the invention is not limited by the foregoing embodiments, which are described in the foregoing description merely illustrate the principles of the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined in the appended claims and their equivalents.
The control mode of the invention is controlled by manually starting and closing the switch, the wiring diagram of the power element and the supply of the power supply are common knowledge in the field, and the invention is mainly used for protecting the mechanical device, so the invention does not explain the control mode and the wiring arrangement in detail.
Claims (4)
1. A multi-variety toilet leak source detector is characterized in that: the device comprises a support column (1), a top plate (2), support legs (3), a power idler roller (4), an opening (5), a vacuum pump (6), a first lifting cylinder (7), a first sealing plate (8), a first guide rod (9), a limiting block (10), a lower water outlet sealing test device (11), a top sealing test device (12), a rear water outlet sealing test device (13) and a bottom plate (14);
a plurality of support columns (1) are fixedly connected to the periphery of the lower surface of the top plate (2), and support legs (3) are fixedly connected to the tail ends of the support columns (1);
a power carrier roller (4) is arranged between the middle end positions of the support columns (1), and an opening (5) is arranged at the center position of the power carrier roller (4);
a bottom plate (14) is fixedly connected between the lower end positions of the support columns (1), and a vacuum pump (6) is fixedly connected to the bottom plate (14);
a first lifting cylinder (7) is fixedly connected to the left side of the upper surface of the top plate (2);
a first sealing plate (8) is fixedly connected to an output shaft of the first lifting cylinder (7);
the two sides of the upper surface of the first sealing plate (8) are fixedly connected with first guide rods (9), the first guide rods (9) are slidably connected in the top plate (2), and limiting blocks (10) are fixedly connected to the top ends of the first guide rods (9);
a top sealing test device (12) is arranged at the middle end position of the top plate (2);
the specific structure of the top sealing test device (12) comprises: the device comprises a third lifting cylinder (121), a sliding guide rail (122), a movable sliding plate (123), a second guide rod (124), a sliding plate (125), a connected sealing pressing plate (126), a sliding seat (127), a separated sealing pressing plate (128) and a second electric push rod (129);
the third lifting cylinder (121) is fixedly connected to the center of the movable sliding plate (123);
a movable sliding plate (123) is connected to the central position of the lower surface of the top plate (2) in a sliding manner through two sliding guide rails (122);
a sliding plate (125) is fixedly connected to the output end of the third lifting cylinder (121);
the left side of the lower surface of the sliding plate (125) is fixedly connected with a conjoined closing pressing plate (126);
the left side of the upper surface of the sliding plate (125) is fixedly connected with two second guide rods (124) which are spaced from each other, and the second guide rods (124) are slidably connected in the movable sliding plate (123);
the right side of the lower surface of the sliding plate (125) is fixedly connected with a second electric push rod (129);
a sliding seat (127) is connected to the sliding plate (125) in a sliding manner, and the sliding seat (127) is fixedly connected with an output shaft of the second electric push rod (129);
the lower surface of the sliding seat (127) is fixedly connected with a split sealing pressing plate (128);
a rear water outlet sealing test device (13) is arranged at the right end of the top plate (2);
the concrete structure of the rear water outlet sealing test device (13) comprises: the lifting device comprises a fourth lifting cylinder (131), a second sliding rail (132), a lifting plate (133), a second cylinder seat (134), a fifth lifting cylinder (135), an angle adjusting bolt (136), a hinge pin (137), a rear water outlet sealing block (138) and a connecting plate (139);
the fourth lifting cylinder (131) is fixedly connected to the right side of the upper surface of the top plate (2);
the inner side surfaces of the two support columns (1) on the right side are fixedly connected with second sliding rails (132);
the lifting plate (133) is connected between the second sliding rails (132) in a sliding manner;
a second cylinder seat (134) is fixedly connected to the lifting plate (133), and the output ends of the second cylinder seat (134) and the fourth lifting cylinder (131) are fixedly connected together;
a fifth lifting cylinder (135) is fixedly connected in the second cylinder seat (134);
a connecting plate (139) is fixedly connected to an output shaft of the fifth lifting cylinder (135);
a rear water outlet closing plug (138) is hinged to the top end of the connecting plate (139) through a hinge pin shaft (137);
an angle adjusting bolt (136) for adjusting a rear water outlet sealing block (138) is connected to the bottom end of the connecting plate (139) through threads;
the vacuum pump (6) is communicated with the inside of the first sealing plate (8) through a hose.
2. The multi-variety toilet leak detector of claim 1, wherein: the concrete structure of the lower water outlet sealing test device (11) comprises: the device comprises a concave seat (111), a first sliding rail (112), a sliding block (113), a first cylinder seat (114), a first electric push rod (115), a second lifting cylinder (116) and a lower drainage closing plate (117);
the concave seat (111) is fixedly connected to the center of the lower surface of the power carrier roller (4);
a first sliding rail (112) is fixedly connected in the inner bottom end of the concave seat (111);
two mutually-spaced sliding blocks (113) are connected to the first sliding rail (112) in a sliding manner, and the first cylinder seat (114) is fixedly connected to the sliding blocks (113);
a first electric push rod (115) is fixedly connected to the right side surface of the concave seat (111), and an output shaft of the first electric push rod (115) is fixedly connected with a first cylinder seat (114);
and a lower drainage sealing plate (117) is fixedly connected to an output shaft of the second lifting cylinder (116).
3. The multi-variety toilet leak detector of claim 1, wherein: the second sliding rail (132) is coated with lubricating grease.
4. The multi-variety toilet leak detector of claim 1, wherein: the supporting legs (3) are disc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210318126.8A CN114608754B (en) | 2022-03-29 | 2022-03-29 | Multi-variety toilet leak detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210318126.8A CN114608754B (en) | 2022-03-29 | 2022-03-29 | Multi-variety toilet leak detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114608754A CN114608754A (en) | 2022-06-10 |
| CN114608754B true CN114608754B (en) | 2024-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210318126.8A Active CN114608754B (en) | 2022-03-29 | 2022-03-29 | Multi-variety toilet leak detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114608754B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101460508B1 (en) * | 2013-10-11 | 2014-11-13 | (주)그린엘리트 | Toilet bowl |
| CN106932149A (en) * | 2017-04-21 | 2017-07-07 | 唐山梦牌瓷业有限公司 | The automatic air leak tester of toilet seat |
| CN209055279U (en) * | 2018-11-03 | 2019-07-02 | 佛山市鑫浩航自动化科技有限公司 | A kind of toilet seat vacuum leak detection machine |
| CN209979153U (en) * | 2019-05-28 | 2020-01-21 | 唐山贺祥机电股份有限公司 | Toilet seat bent pipe detection mechanism |
| CN113442273A (en) * | 2021-08-02 | 2021-09-28 | 唐山贺祥智能科技股份有限公司 | Automatic glazing device for toilet seat elbow on conveying line |
-
2022
- 2022-03-29 CN CN202210318126.8A patent/CN114608754B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101460508B1 (en) * | 2013-10-11 | 2014-11-13 | (주)그린엘리트 | Toilet bowl |
| CN106932149A (en) * | 2017-04-21 | 2017-07-07 | 唐山梦牌瓷业有限公司 | The automatic air leak tester of toilet seat |
| CN209055279U (en) * | 2018-11-03 | 2019-07-02 | 佛山市鑫浩航自动化科技有限公司 | A kind of toilet seat vacuum leak detection machine |
| CN209979153U (en) * | 2019-05-28 | 2020-01-21 | 唐山贺祥机电股份有限公司 | Toilet seat bent pipe detection mechanism |
| CN113442273A (en) * | 2021-08-02 | 2021-09-28 | 唐山贺祥智能科技股份有限公司 | Automatic glazing device for toilet seat elbow on conveying line |
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| Publication number | Publication date |
|---|---|
| CN114608754A (en) | 2022-06-10 |
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