CN115972360A - Well lid mould of easily drawing of patterns - Google Patents
Well lid mould of easily drawing of patterns Download PDFInfo
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- CN115972360A CN115972360A CN202211669510.9A CN202211669510A CN115972360A CN 115972360 A CN115972360 A CN 115972360A CN 202211669510 A CN202211669510 A CN 202211669510A CN 115972360 A CN115972360 A CN 115972360A
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- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000003287 optical effect Effects 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000005266 casting Methods 0.000 abstract description 17
- 239000000463 material Substances 0.000 abstract description 8
- 239000004568 cement Substances 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 208000034189 Sclerosis Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The invention relates to the technical field of well lid casting, in particular to a well lid mold easy to demould. The well lid mould easy to demould provided by the invention solves the technical problem that the mould for casting the well lid in the prior art is difficult to demould. A well lid mould easy to demould comprises supports, wherein the supports are provided with at least two sliding frames, and the supports are provided with driving mechanisms for driving all the sliding frames to synchronously move; the sliding frames are provided with an upper module and a lower module which is positioned below the upper module, and the well lid mould also comprises a mould core; the driving mechanism enables the sliding frames to move towards the direction far away from the mold core, and at the moment, because different sliding frames move towards different directions, the casting materials solidified in the upper mold cavity and the lower mold cavity can be conveniently demoulded.
Description
Technical Field
The invention relates to the technical field of well lid casting, in particular to a well lid mold easy to demould.
Background
The existing well covers generally comprise cast iron well covers, resin well covers and cement well covers. Cement mortar is poured in the mould when the cement well lid is prepared, and the cement well lid is cured, so that the shape and size of the well lid can be adjusted by adjusting the size of the mould.
Well lid mould among the prior art is at cement well lid sclerosis shaping back, and it is very inconvenient that cement well lid takes out from this internal, or when the well lid takes out, need overturn for the body back-off, so that the cement well lid drawing of patterns, this mode is not only intensity of labour great, also very easily causes cement well lid damage or fracture, seriously influences the life of cement well lid.
Simultaneously, current cement well lid need cooperate the apron to use, and current cement well lid is pour for separately with the apron, through mutually independent mould preparation, leads to when wearing and tearing or deformation appear in the mould, and the matching degree is poor in well lid and apron appearance, or the condition that the apron can't be put into smoothly to the well lid for the cooperation precision when well lid and apron use is poor.
Disclosure of Invention
The well lid mould easy to demould provided by the invention solves the technical problem that the mould for casting the well lid in the prior art is difficult to demould.
Some embodiments adopted to solve the above technical problems include:
a well lid mould easy to demould comprises supports, wherein the supports are provided with at least two sliding frames, and the supports are provided with driving mechanisms for driving all the sliding frames to synchronously move;
the sliding frames are provided with an upper module and a lower module which is positioned below the upper module, and the well lid mould also comprises a mould core;
all the sliding frames are displaced towards the direction close to the mold cores, all the upper mold blocks are matched to form an upper mold cavity for manufacturing the well cover, all the lower mold blocks are matched to form a lower mold cavity for limiting the shape of the outer wall of the cover ring, the mold cores are positioned in the lower mold cavity, and the mold cores limit the shape of the inner wall of the cover ring;
the mold core is provided with a support column for supporting the upper module;
the upper die block comprises an upper side plate and an upper bottom plate, the upper side plate defines the shape of the side wall of the upper die cavity, the upper bottom plate defines the shape of the bottom wall of the upper die cavity, the upper side plate and the upper bottom plate are of an integrated structure, and the support columns support the upper die block through the upper bottom plate;
the lower die block comprises a lower side plate and a lower bottom plate, the lower side plate limits the shape of the outer wall of the cover ring, the lower bottom plate limits the shape of the bottom wall of the lower die cavity, the lower bottom plate is provided with a recess for the die core to penetrate through, and the recess is matched with the through hole matched with the die core.
Preferably, the support comprises a top plate, the driving mechanism comprises a drive bevel gear rotatably arranged on the top plate, the driving mechanism further comprises screw rods rotatably arranged on the top plate, the number of the screw rods is equal to that of the sliding frames, each screw rod is provided with a driven bevel gear meshed with the drive bevel gear, the axis of each screw rod is perpendicular to that of the drive bevel gear, and each sliding frame is provided with a screw hole matched with the screw rod.
Preferably, the upper end of balladeur train is contradicted the lower extreme of roof, the lower extreme of roof is provided with fixedly the solid fixed ring of screw rod, gu fixed ring includes inner ring and outer loop, the screw rod includes the screw thread section and is located the optical axis section at screw thread section both ends, the inner ring with the outer loop all be provided with optical axis section complex unthreaded hole, the optical axis section with be provided with the centripetal thrust bearing between the unthreaded hole.
Preferably, the driving bevel gear comprises a gear body and a wheel shaft, the wheel shaft penetrates through the top plate, and a handle convenient for rotating the bevel gear is arranged at one end, far away from the gear body, of the wheel shaft.
Preferably, the wheel shaft and the wheel body are of an integrated structure, the wheel shaft is provided with a limiting block for limiting the axial position of the wheel body relative to the top plate, the limiting block comprises an upper limiting block and a lower limiting block, the top plate is located between the upper limiting block and the lower limiting block, an end face bearing is arranged between the upper limiting block and the top plate, and an end face bearing is arranged between the lower limiting block and the top plate.
Preferably, the diameter of the supporting column is smaller than that of the mold core, one end, far away from the supporting column, of the mold core is provided with a ring groove for supporting the lower bottom plate, and after the lower bottom plate moves in place in the direction close to the mold core, one part of the lower bottom plate is located in the ring groove.
Preferably, the upper end of the supporting column is provided with a groove for reducing the contact area between the supporting column and the upper module, and the groove is uniformly formed in the upper end face of the supporting column.
Preferably, the carriage comprises a vertical rod of which the lower module is of an integrated structure, the cross section of the vertical rod is arc-shaped, the screw hole is formed in the vertical rod, the upper module is fixed on the vertical rod through the connecting plate, the upper module and the connecting plate are of an integrated structure, and the connecting plate and the vertical rod are of an integrated structure.
Preferably, the upper module is provided with an upper counterweight part, the upper counterweight part and the upper module are of an integrated structure, the vertical rod is located between the upper counterweight part and the upper module, the lower module is provided with a lower counterweight part, the lower counterweight part and the lower module are of an integrated structure, and the vertical rod is located between the lower module and the lower counterweight part.
Preferably, the support further comprises a support leg arranged on the top plate, a foot pad is arranged at one end, far away from the top plate, of the support leg, and the foot pad and the support leg are of an integrated structure.
Compared with the prior art, the well lid mould easy to demould provided by the invention has the following advantages:
1. through setting up balladeur train and actuating mechanism, set up module and lower module on the balladeur train, the lower die cavity that the lower module formed is provided with the mold core, actuating mechanism drive balladeur train to the mold core direction move the back that targets in place, all go up the module and cooperate and form the die cavity together, go up the die cavity and be used for casting the well lid, simultaneously, all lower module cooperate and form the die cavity down together, the die cavity is used for casting the lid circle with the mold core cooperation down.
The upper die cavity and the lower die cavity are filled with casting materials respectively, after the casting materials in the upper die cavity and the lower die cavity are solidified, the sliding frame is enabled to move towards the direction far away from the die core through the driving mechanism, and at the moment, because different sliding frames move towards different directions, the casting materials after the upper die cavity and the lower die cavity are solidified can be conveniently demoulded.
2. The upper module and the lower module are connected together by arranging the sliding frame, when the casting material is filled, even if the upper die cavity is deformed, the upper module and the lower module are connected together by the sliding frame, at the moment, the lower die cavity is also deformed, and therefore the cast well cover and the cast cover ring can be conveniently assembled together.
Drawings
For purposes of explanation, several embodiments of the present technology are set forth in the following figures. The following drawings are incorporated herein and constitute a part of the detailed description. In some instances, well-known structures and components are shown in block diagram form in order to avoid obscuring the concepts of the subject technology.
FIG. 1 is a schematic view of a first angle for forming an upper mold cavity according to the present invention.
FIG. 2 is a schematic diagram of a second angle for forming an upper mold cavity according to the present invention.
FIG. 3 is an isometric view of the upper mold cavity at a first angle when it is opened and demolded.
FIG. 4 is an isometric view of the upper mold cavity at a second angle when opened for demolding.
FIG. 5 is a schematic view of the formation of the upper mold cavity.
Fig. 6 is a schematic view of the upper cavity being opened for demolding. The top plate and the legs are omitted in fig. 4 and 5.
FIG. 7 is a cross-sectional view of the upper mold cavity as it is formed.
Fig. 8 is a sectional view when the upper cavity is opened and demolded.
Fig. 9 is a schematic view of the top plate.
Fig. 10 is a schematic view of a handle.
FIG. 11 is a schematic view of a screw.
Fig. 12 is a schematic view of a mold core.
Fig. 13 is a schematic view of the carriage.
In the figure:
1. support, 11, roof, 12, landing leg, 13, the foot pad.
2. A carriage, 21, an upper module, 211, an upper side plate, 212 and an upper bottom plate.
22. Lower module 221, lower side plate 222, lower bottom plate 223, recess.
23. Mold core 231, support column 232 and ring groove.
24. Vertical rod, 25, connecting plate, 26, upper counter weight portion, 27, lower counter weight portion.
3. The driving mechanism 31, the driving bevel gear 311, the wheel body 312, the wheel shaft 313, the handle 314, the upper limiting block 315 and the lower limiting block.
32. Screw 33, driven bevel gear 34, screw hole 35, inner ring 36 and outer ring.
Detailed Description
The specific embodiments illustrated below are intended as descriptions of various configurations of the subject technology and are not intended to represent the only configurations in which the subject technology may be practiced. Specific embodiments include specific details for the purpose of providing a thorough understanding of the subject technology. It will be apparent, however, to one skilled in the art that the subject technology is not limited to the specific details shown herein and may be practiced without these specific details.
Referring to fig. 1 to 13, the well lid mold easy to demold comprises a support 1, wherein the support 1 is provided with at least two sliding frames 2, and the support 1 is provided with a driving mechanism 3 for driving all the sliding frames 2 to move synchronously;
the support 1 may be directly fixed to the ground, and the support 1 may also be fixed to the ground through other structures, and since the casting material has a long curing time during the casting process, the support 1 should be effectively fixed to the ground to improve stability.
The carriages 2 are provided with an upper module 21 and a lower module 22 positioned below the upper module 21, and the well lid mould further comprises a mould core 23;
the mould core 23 can be fixed directly to the ground, the axis of the upper mould cavity should coincide with the axis of the lower mould cavity, and the axis of the lower mould cavity should coincide with the axis of the mould core 23.
All the carriages 2 are displaced towards the direction close to the mould core 23, all the upper mould blocks 21 are matched to form an upper mould cavity of the manufacturing well lid, all the lower mould blocks 22 are matched to form a lower mould cavity which defines the shape of the outer wall of the cover ring, the mould core 23 is positioned in the lower mould cavity, and the mould core 23 defines the shape of the inner wall of the cover ring;
the mold core 23 is provided with a support column 231 for supporting the upper mold block 21; support column 231 is used for supporting module 21, goes up the die cavity and fills after the casting material, goes up the weight of die cavity and becomes heavy, and at this moment, balladeur train 2 probably atress is inhomogeneous, consequently, through making support column 231 support module 21, goes up the one end of module 21 and the contact of balladeur train 2 and the one end of going up module 21 and the contact of support column 231 and all bears the effort, and at this moment, the cavity atress is even on, and balladeur train 2 non-deformable.
The upper mold block 21 comprises an upper side plate 211 defining the shape of the side wall of the upper mold cavity and an upper bottom plate 212 defining the shape of the bottom wall of the upper mold cavity, the upper side plate 211 and the upper bottom plate 212 are of an integral structure, and the support columns 231 support the upper mold block 21 through the upper bottom plate 212;
the lower mold block 22 comprises a lower side plate 221 defining the shape of the outer wall of the cap ring and a lower bottom plate 222 defining the shape of the bottom wall of the lower mold cavity, the lower bottom plate 222 is provided with a recess 223 for the mold core 23 to pass through, and the recess 223 is matched to form a through hole matched with the mold core 23.
The synchronous movement means that when the driving mechanism 3 drives the sliding frames 2 to displace along the first direction, all the sliding frames 2 simultaneously move in the same direction and at the same speed along the first direction, and when the driving mechanism 3 drives the sliding frames 2 to displace along the second direction, all the sliding frames 2 simultaneously move in the same direction and at the same speed along the second direction, and the first direction is opposite to the second direction.
If the sliding frame 2 moves towards the first direction, the sliding frame 2 is close to the mold core 23, and after all the sliding frame 2 are displaced in place, all the upper mold blocks 21 are matched to form an upper mold cavity for casting the well lid. All of the lower mold blocks 22 cooperate to form a lower mold cavity and cooperate with the mold core 23 for casting the cap rim.
After well lid and cover circle solidification, make balladeur train 2 to the first direction motion, at this moment, go up module 21 and keep away from each other, lower module 22 keeps away from each other, can conveniently with well lid and cover circle drawing of patterns.
Referring to fig. 1 to 13, in some embodiments, the support 1 includes a top plate 11, the driving mechanism 3 includes a drive bevel gear 31 rotatably disposed on the top plate 11, the driving mechanism 3 further includes screw rods 32 rotatably disposed on the top plate 11, the number of the screw rods 32 is equal to the number of the carriages 2, each of the screw rods 32 is provided with a driven bevel gear 33 engaged with the drive bevel gear 31, the axis of the screw rod 32 is perpendicular to the axis of the drive bevel gear 31, and the carriage 2 is provided with a screw hole 34 engaged with the screw rod 32.
Each carriage 2 cooperates with a separate screw 32. The screw 32 and the driven bevel gear 33 may be of an integral structure.
Conflict in the upper end of balladeur train 2 the lower extreme of roof 11, the lower extreme of roof 11 is provided with fixedly the solid fixed ring of screw rod 32, gu fixed ring includes inner ring 35 and outer loop 36, screw rod 32 includes the screw thread section and is located the optical axis section at screw thread section both ends, inner ring 35 with outer loop 36 all be provided with optical axis section complex unthreaded hole, the optical axis section with be provided with radial thrust bearing between the unthreaded hole.
The upper end of the carriage 2 abuts against the lower end of the top plate 11, and the carriage 2 and the top plate 11 come into surface contact with each other to guide the carriage 2. That is, when the screw 32 rotates, the carriage 2 does not rotate around the screw 32 because the carriage 2 is in surface contact with the top plate 11, so that the carriage 2 is easy to operate, and the stability of the manhole cover mold is improved.
Referring to fig. 1 to 13, in some embodiments, the drive bevel gear 31 includes a wheel body 311 and an axle 312, the axle 312 penetrates through the top plate 11, and a handle 313 for rotating the bevel gear is disposed at an end of the axle 312 away from the wheel body 311.
A driving machine, such as a motor or an electric motor, may be provided on the top plate 11 to drive the drive bevel gear 31 to rotate for automatic operation.
Referring to fig. 1 to 13, in some embodiments, the axle 312 and the wheel body 311 are formed as a single body, the axle 312 is provided with a limiting block that defines an axial position of the wheel body 311 relative to the top plate 11, the limiting block includes an upper limiting block 314 and a lower limiting block 315, the top plate 11 is located between the upper limiting block 314 and the lower limiting block 315, an end surface bearing is provided between the upper limiting block 314 and the top plate 11, and an end surface bearing is provided between the lower limiting block 315 and the top plate 11.
Referring to fig. 1 to 13, in some embodiments, the diameter of the supporting column 231 is smaller than that of the mold core 23, an annular groove 232 for supporting the lower plate 222 is disposed at an end of the mold core 23 away from the supporting column 231, and a portion of the lower plate 222 is located in the annular groove 232 after the lower plate 222 is moved to a position close to the mold core 23.
In the demolding process, the cover ring can be demolded upwards, namely, after the lower module 22 is far away from the mold core 23, the cover ring is displaced upwards, and at this time, as the diameter of the support column 231 is smaller than that of the mold core 23, the cover ring can be demolded upwards conveniently.
In addition, when the mold core 23 is fixed to the ground by a support structure, for example, a pad or the like may be used, and the pad may be easily moved to demold the cover ring downward. When the cover ring is demolded downwards, the position of the mold core 23 may be moved, and therefore, the mold core 23 needs to be repositioned after the cover ring is demolded downwards.
The upper end of the supporting column 231 is provided with a groove for reducing the contact area between the supporting column 231 and the upper module 21, and the groove is uniformly arranged on the upper end surface of the supporting column 231.
The grooves may be several in order to provide a smaller contact area between the support posts 231 and the upper base plate 212 to facilitate sliding movement of the upper module 21.
In some embodiments, the carriage 2 comprises a vertical rod 24 integrally formed with the lower module 22, the vertical rod 24 has an arc-shaped cross section, the screw hole 34 is disposed on the vertical rod 24, the upper module 21 is fixed to the vertical rod 24 through a connecting plate 25, the upper module 21 and the connecting plate 25 are integrally formed, and the connecting plate 25 and the vertical rod 24 are integrally formed.
The cross-sectional shape of the stem 24 may also be other shapes, such as polygonal, etc. The vertical rod 24 is required to withstand a large shearing force, and therefore, the cross-sectional shape of the vertical rod 24 is not suitable for being made circular.
Referring to fig. 1-13, in some embodiments, the upper module 21 is provided with an upper counterweight portion 26 that is of unitary construction with the upper module 21, and the vertical rod 24 is located between the upper counterweight portion 26 and the upper module 21, the lower module 22 is provided with a lower counterweight portion 27, the lower counterweight portion 27 is of unitary construction with the lower module 22, and the vertical rod 24 is located between the lower module 22 and the lower counterweight portion 27.
The main function of the upper weight portion 26 and the lower weight portion 27 is to make the stress on the vertical rod 24 uniform, that is, after the casting material is filled in the upper mold cavity and the lower mold cavity, the stress on the vertical rod 24 is not uniform, therefore, the upper weight portion 26 and the lower weight portion 27 need to be arranged to make the stresses on both sides of the vertical rod 24 uniform, and further make the vertical rod 24 not easy to bend.
In some embodiments, the support frame 1 further includes a leg 12 disposed on the top plate 11, and a foot pad 13 is disposed at an end of the leg 12 away from the top plate 11, where the foot pad 13 and the leg 12 are of an integral structure.
The top plate 11 and the legs may be of a unitary construction.
While the subject matter of the present invention has been described with reference to the accompanying drawings and details, it is to be understood that the above description is merely illustrative of some embodiments of the subject matter of the present invention and that certain details may be omitted from the description.
In addition, in some embodiments of the above invention, there is a possibility that a plurality of embodiments may be combined and implemented, and various combinations are not listed at length. The above embodiments can be freely combined and implemented by those skilled in the art according to the requirements in the specific implementation so as to obtain a better application experience.
While practicing the subject matter of the present invention, it will be apparent to those skilled in the art that other arrangements of details or figures can be made in accordance with the subject matter of the present invention and the accompanying drawings, and that such details are within the scope of what is encompassed by the subject matter of the present invention without departing from the subject matter of the present invention.
Claims (10)
1. The utility model provides a well lid mould of easy drawing of patterns which characterized in that: the device comprises a support (1), wherein the support (1) is provided with at least two sliding carriages (2), and the support (1) is provided with a driving mechanism (3) for driving all the sliding carriages (2) to move synchronously;
the sliding frames (2) are respectively provided with an upper module (21) and a lower module (22) positioned below the upper module (21), and the well lid mould further comprises a mould core (23);
all the carriages (2) are displaced towards the direction close to the mould core (23), all the upper mould blocks (21) are matched to form an upper mould cavity of the manufacturing well lid, all the lower mould blocks (22) are matched to form a lower mould cavity which limits the shape of the outer wall of the cover ring, the mould core (23) is positioned in the lower mould cavity, and the mould core (23) limits the shape of the inner wall of the cover ring;
the mold core (23) is provided with a support pillar (231) for supporting the upper mold block (21);
the upper module (21) comprises an upper side plate (211) defining the shape of the side wall of the upper cavity and an upper bottom plate (212) defining the shape of the bottom wall of the upper cavity, the upper side plate (211) and the upper bottom plate (212) are of an integral structure, and the support columns (231) support the upper module (21) through the upper bottom plate (212);
the lower die block (22) comprises a lower side plate (221) defining the shape of the outer wall of the cover ring and a lower bottom plate (222) defining the shape of the bottom wall of the lower die cavity, the lower bottom plate (222) is provided with a recess (223) for the die core (23) to penetrate through, and the recess (223) is matched to form a through hole matched with the die core (23).
2. The easy-to-demold manhole cover mold of claim 1, wherein: the support (1) comprises a top plate (11), the driving mechanism (3) comprises a driving bevel gear (31) which is rotatably arranged on the top plate (11), the driving mechanism (3) further comprises a screw rod (32) which is rotatably arranged on the top plate (11), the number of the screw rods (32) is equal to that of the sliding frame (2), each screw rod (32) is provided with a driven bevel gear (33) which is meshed with the driving bevel gear (31), the axis of each screw rod (32) is perpendicular to that of the driving bevel gear (31), and the sliding frame (2) is provided with a screw hole (34) which is matched with the screw rod (32).
3. The well lid mold easy to demold according to claim 2, wherein: conflict in the upper end of balladeur train (2) the lower extreme of roof (11), the lower extreme of roof (11) is provided with fixedly the solid fixed ring of screw rod (32), gu fixed ring includes inner ring (35) and outer loop (36), screw rod (32) include the screw thread section and are located the optical axis section at screw thread section both ends, inner ring (35) with outer loop (36) all be provided with optical axis section complex unthreaded hole, the optical axis section with be provided with radial thrust bearing between the unthreaded hole.
4. The well lid mold easy to demold according to claim 3, wherein: the driving bevel gear (31) comprises a gear body (311) and a gear shaft (312), the gear shaft (312) penetrates through the top plate (11), and a handle (313) facilitating rotation of the bevel gear is arranged at one end, far away from the gear body (311), of the gear shaft (312).
5. The easy-to-demold manhole cover mold of claim 4, wherein: the wheel shaft (312) and the wheel body (311) are of an integrated structure, the wheel shaft (312) is provided with a limiting block which limits the axial position of the wheel body (311) relative to the top plate (11), the limiting block comprises an upper limiting block (314) and a lower limiting block (315), the top plate (11) is located between the upper limiting block (314) and the lower limiting block (315), an end face bearing is arranged between the upper limiting block (314) and the top plate (11), and an end face bearing is arranged between the lower limiting block (315) and the top plate (11).
6. The easy-to-demold manhole cover mold of claim 1, wherein: the diameter of support column (231) is less than the diameter of mold core (23), the mold core (23) is kept away from the one end of support column (231) is provided with the support annular groove (232) of lower plate (222), after lower plate (222) moved to the direction that is close to mold core (23) and targets in place, a part of lower plate (222) is located in annular groove (232).
7. The easy-to-demold manhole cover mold of claim 6, wherein: the upper end of the supporting column (231) is provided with a groove for reducing the contact area of the supporting column (231) and the upper module (21), and the grooves are uniformly formed in the upper end face of the supporting column (231).
8. The easy-to-demold manhole cover mold of claim 1, wherein: the balladeur train (2) include with montant (24) of module (22) formula structure as an organic whole down, the shape of cross section of montant (24) is the arc, screw (34) set up in montant (24), it is fixed in through connecting plate (25) to go up module (21) montant (24), go up module (21) with connecting plate (25) formula structure as an organic whole, connecting plate (25) with montant (24) formula structure as an organic whole.
9. The easy-to-demold manhole cover mold of claim 8, wherein: go up module (21) and be provided with counter weight portion (26), go up counter weight portion with go up module (21) formula structure as an organic whole, and, montant (24) are located go up counter weight portion (26) with go up between module (21), lower module (22) are provided with down counter weight portion (27), counter weight portion (27) with module (22) formula structure as an organic whole down, and, montant (24) are located module (22) down with between counter weight portion (27) down.
10. The easy-to-demold manhole cover mold of claim 2, wherein: the support (1) further comprises supporting legs (12) arranged on the top plate (11), foot pads (13) are arranged at one ends, far away from the top plate (11), of the supporting legs (12), and the foot pads (13) and the supporting legs (12) are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211669510.9A CN115972360A (en) | 2022-12-23 | 2022-12-23 | Well lid mould of easily drawing of patterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211669510.9A CN115972360A (en) | 2022-12-23 | 2022-12-23 | Well lid mould of easily drawing of patterns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115972360A true CN115972360A (en) | 2023-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211669510.9A Pending CN115972360A (en) | 2022-12-23 | 2022-12-23 | Well lid mould of easily drawing of patterns |
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| CN (1) | CN115972360A (en) |
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Application publication date: 20230418 |