CN219710978U - Mould for wall preformed hole - Google Patents
Mould for wall preformed hole Download PDFInfo
- Publication number
- CN219710978U CN219710978U CN202321384289.2U CN202321384289U CN219710978U CN 219710978 U CN219710978 U CN 219710978U CN 202321384289 U CN202321384289 U CN 202321384289U CN 219710978 U CN219710978 U CN 219710978U
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- adjusting shell
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- jacking guide
- fixing
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- 230000002457 bidirectional effect Effects 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000005192 partition Methods 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 8
- 238000009434 installation Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 5
- 239000011449 brick Substances 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- Moulds, Cores, Or Mandrels (AREA)
Abstract
The utility model discloses a mold for a wall preformed hole, which comprises a plurality of fixing plates for abutting against the side wall of the wall preformed hole, wherein the fixing plates are bent; the inside of the fixed plate is provided with a jacking guide rod and an adjusting shell which is hollow in the inside and provided with an opening; the jacking guide rods are arranged in a one-to-one correspondence manner with the fixing plates, one end of each jacking guide rod is fixedly connected with each fixing plate, and the other end of each jacking guide rod penetrates through the adjusting shell and is in sliding connection with the adjusting shell; a pair of connecting plates are arranged in the adjusting shell; the jacking guide rods positioned on two opposite sides of the adjusting shell are divided into two groups and are connected with the two connecting plates in a one-to-one correspondence manner; the two connecting plates are respectively connected with threaded ends of the two-way screw rod in a threaded manner; the adjusting shell is provided with a driving component for driving the bidirectional screw rod to rotate. The utility model has the effects of being convenient for reserving the reserved hole in the wall and improving the working efficiency.
Description
Technical Field
The utility model relates to the technical field of building molds, in particular to a mold for a wall preformed hole.
Background
The wall is required to be provided with reserved holes for the installation of fire-fighting equipment, pipelines and the like in the construction process, so that the installation of the subsequent fire-fighting equipment and pipelines is facilitated; the existing preformed hole is formed by stacking bricks made of different materials from a wall body to form the size of the preformed hole, and removing the bricks for setting the preformed hole in the later period to obtain the preformed hole; however, the stacking and reinforcing of bricks and the subsequent dismantling in the construction process are both labor and material resources, and the working efficiency is low, so that improvement is needed.
Disclosure of Invention
In order to facilitate the reservation of a reserved hole in a wall and improve the working efficiency, the utility model provides a mold for the reserved hole of the wall.
The utility model provides a mold for a wall preformed hole, which adopts the following technical scheme:
the mold for the wall preformed hole comprises a plurality of fixing plates for abutting against the side wall of the wall preformed hole, wherein the fixing plates are bent; the lifting guide rod and the adjusting shell which is hollow in the inside and provided with an opening are arranged in the fixing plate; the jacking guide rods are arranged in a one-to-one correspondence manner with the fixing plates, one end of each jacking guide rod is fixedly connected with each fixing plate, and the other end of each jacking guide rod penetrates through the adjusting shell and is in sliding connection with the adjusting shell; a pair of connecting plates are arranged in the adjusting shell; the jacking guide rods positioned on two opposite sides of the adjusting shell are divided into two groups and are connected with the two connecting plates in a one-to-one correspondence manner; the two connecting plates are connected with threaded ends of the two-way screw rods, which are opposite in threads respectively; the adjusting shell is provided with a driving component for driving the bidirectional screw rod to rotate.
By adopting the technical scheme, the plurality of fixing plates are used for being abutted against the side wall of the reserved hole of the wall so as to leave a space of the reserved hole, and the jacking guide rod is used for jacking and fixing the fixing plates at the position of the reserved hole on the wall; in the actual use process, after a plurality of fixing plates are spliced and combined to form a preformed hole, a worker fixedly fixes the fixing plates on a wall in a limiting and propping way through a jacking guide rod and a bidirectional screw rod, namely, the bidirectional screw rod is driven to rotate through a driving assembly to drive two connecting plates to move in a direction away from each other, the connecting plates drive the jacking guide rod to move so that the jacking guide rod jacks the fixing plates from the positions of two opposite sides of the preformed hole (namely, the inner sides of the fixing plates), and therefore, the plurality of fixing plates, the jacking guide rod, the connecting plates and the driving assembly form a mold for the preformed hole of the wall, and the preformed hole is conveniently reserved in the wall; when the wall mold is disassembled, a worker drives the bidirectional screw rod to rotate along the reverse direction of assembly through the driving assembly, so that the bidirectional screw rod drives the two connecting plates to move towards the direction close to each other, the connecting plates drive the jacking guide rod to move towards the inner side of the reserved hole, the jacking guide rod drives the plurality of fixing plates to be separated from the reserved hole of the wall, and the mold of the reserved hole of the wall is convenient to disassemble; the technical scheme of the utility model has the advantages that the mold for the preformed hole is convenient to assemble and disassemble, and the working efficiency of staff is improved.
Preferably, the fixing plates are symmetrically provided with two fixing plates, and the jacking guide rods are provided with two fixing plates.
Through adopting above-mentioned technical scheme, two fixed plates are assembled from the relative both sides position of preformed hole, and two jacking guide arms remove two fixed plates from the inboard of preformed hole, are convenient for improve staff's equipment and dismantlement efficiency.
Preferably, the device further comprises two support plates which are symmetrically arranged, wherein clamping grooves are formed in the two opposite ends of the fixing plate, and the clamping grooves are located on one side, away from the adjusting shell, of the fixing plate; clamping blocks matched with the clamping grooves are arranged at the opposite ends of the supporting plate, and the clamping blocks are clamped in the clamping grooves.
By adopting the technical scheme, the two support plates are used for providing assembly support function for the two fixing plates, so that the two fixing plates have enough installation strength in an assembled state when the wall is poured with concrete; and when the fixed plate is disassembled and assembled, the two support plates are convenient to disassemble and assemble from the inner side of the fixed plate, and the disassembly and assembly are convenient.
Preferably, the clamping block is connected with a first magnetic attraction piece, the fixing plate is provided with a fixing groove communicated with the clamping groove, a second magnetic attraction piece is arranged in the fixing groove, and the first magnetic attraction piece and the second magnetic attraction piece are attracted.
Through adopting above-mentioned technical scheme, first magnetism is inhaled a and second magnetism is inhaled a and is strengthened the connection effect of fixed plate and backup pad.
Preferably, a limiting baffle and a pair of elastic pieces are arranged in the adjusting shell, the limiting baffle is located at two positions of the connecting plate supports, the elastic pieces are located at two opposite sides of the limiting baffle respectively, the elastic pieces are arranged in one-to-one correspondence with the connecting plates, one end of each elastic piece is connected with each connecting plate, and the other end of each elastic piece is connected with each limiting baffle.
By adopting the technical scheme, the limiting baffle is used for limiting and installing the elastic piece at the appointed position in the adjusting shell; the elastic piece is favorable for improving the jacking and propping effect of the jacking guide rod on the fixed plate, and in the process of disassembling and assembling the die, the connecting plate compresses the spring towards the inner side of the reserved hole so as to provide a space for the jacking guide rod to move towards the inner side of the reserved hole.
Preferably, two bidirectional screw rods are arranged, and the two bidirectional screw rods are respectively positioned at two opposite ends of the connecting plate.
By adopting the technical scheme, the two bidirectional screw rods are beneficial to improving the moving stability of the two connecting plates and the two jacking guide rods and improving the moving effect of the jacking guide rods.
Preferably, the driving assembly comprises two bevel gears, a transmission rod and a rotating handle, the driving wheels of the two bevel gears are respectively sleeved on the two-way screw rod in a one-to-one correspondence mode, the driven wheel of one bevel gear is sleeved on one end of the transmission rod, the driven wheel of the other bevel gear is sleeved on the other end of the transmission rod, and one end of one two-way screw rod penetrates through the outside of the adjusting shell and is connected with the rotating handle.
Through adopting above-mentioned technical scheme, the twist grip drives one of them two-way lead screw rotation in order to drive bevel gear from driving wheel and action wheel rotation to transfer line and another bevel gear rotate in order to drive another two-way lead screw rotation, and two-way lead screws rotate in order to realize driving two connecting plates and two jacking guide arms removal's purpose.
Preferably, the limiting partition plate is provided with a rotation through hole for the rotation of the transmission rod, the limiting partition plate is provided with communication holes for the rotation of the bevel gears corresponding to the two bevel gears, and the communication holes are communicated with the rotation through hole.
Through adopting above-mentioned technical scheme, spacing baffle is used for spacing the assigned position in adjusting the shell with the transfer line, is favorable to maintaining transfer line and bevel gear.
Preferably, the two fixing plates and the two supporting plates are spliced to form a wall preformed hole mold with a square cross section.
By adopting the technical scheme, the mould for the wall preformed hole with the square cross section is suitable for the installation of square fire-fighting equipment.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. the jacking guide rods are used for jacking and fixing the fixing plates at the positions of the reserved holes on the wall; in the actual use process, after a plurality of fixing plates are spliced and combined to form a preformed hole, a worker fixedly fixes the fixing plates on a wall in a limiting and propping way through a jacking guide rod and a bidirectional screw rod, namely, the bidirectional screw rod is driven to rotate through a driving assembly to drive two connecting plates to move in a direction away from each other, the connecting plates drive the jacking guide rod to move so that the jacking guide rod jacks the fixing plates from the positions of two opposite sides of the preformed hole (namely, the inner sides of the fixing plates), and therefore, the plurality of fixing plates, the jacking guide rod, the connecting plates and the driving assembly form a mold for the preformed hole of the wall, and the preformed hole is conveniently reserved in the wall; when the wall mold is disassembled, a worker drives the bidirectional screw rod to rotate along the reverse direction of assembly through the driving assembly, so that the bidirectional screw rod drives the two connecting plates to move towards the direction close to each other, the connecting plates drive the jacking guide rod to move towards the inner side of the reserved hole, the jacking guide rod drives the plurality of fixing plates to be separated from the reserved hole of the wall, and the mold of the reserved hole of the wall is convenient to disassemble; the technical scheme of the utility model has the advantages that the mold for the preformed hole is convenient to assemble and disassemble, and the working efficiency of staff is improved;
2. the two support plates are used for providing assembly support function for the two fixing plates, so that the two fixing plates have enough installation strength in an assembled state when the wall is poured with concrete; when the fixing plate is dismounted, the two support plates are convenient to dismount from the inner side of the fixing plate, and the dismounting is convenient;
3. the limiting baffle is used for limiting and installing the elastic piece at a designated position in the adjusting shell; the elastic piece is favorable for improving the jacking and propping effect of the jacking guide rod on the fixed plate, and in the process of disassembling and assembling the die, the connecting plate compresses the spring towards the inner side of the reserved hole so as to provide a space for the jacking guide rod to move towards the inner side of the reserved hole.
Drawings
Fig. 1 is a schematic view showing the overall installation structure of a mold for wall-preformed holes according to embodiment 1 of the present utility model.
Fig. 2 is a sectional view showing the overall installation structure of a mold for wall-preformed holes according to embodiment 1 of the present utility model.
Fig. 3 is a structural sectional view of a fixing plate and a support plate in a mold for wall-preformed holes of embodiment 1 of the present utility model.
Fig. 4 is a schematic view showing the overall installation structure of a mold for wall-preformed holes according to embodiment 2 of the present utility model.
Reference numerals illustrate:
1. a fixing plate; 11. a clamping groove; 12. a fixing groove; 13. a second magnetic attraction member; 2. lifting the guide rod; 3. an adjustment housing; 31. a connecting plate; 32. a two-way screw rod; 33. a limiting baffle; 331. a rotary through hole; 332. a communication hole; 34. an elastic member; 4. a drive assembly; 41. bevel gears; 42. a transmission rod; 43. rotating the handle; 5. a support plate; 51. a clamping block; 52. the first magnetic attraction piece.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-4.
Example 1
The embodiment of the utility model discloses a mold for a wall preformed hole. Referring to fig. 1 and 2, the mold for wall-preformed holes includes a plurality of fixing plates 1 for abutting against the sidewalls of the wall-preformed holes (not shown), the fixing plates 1 being bent; the inside of the fixed plate 1 is provided with a jacking guide rod 2 and an adjusting shell 3 which is hollow in the inside and provided with openings at two side walls; the jacking guide rods 2 are arranged in a plurality of ways, the jacking guide rods 2 are arranged in one-to-one correspondence with the fixing plates 1, one end of each jacking guide rod 2 is fixedly connected with the fixing plate 1, and the other end of each jacking guide rod 2 penetrates through the adjusting shell 3 and is in sliding connection with the adjusting shell 3; in this embodiment, two fixing plates 1 are symmetrically arranged, two jacking guide rods 2 are arranged, the fixing plates 1 are used for being abutted against the side walls of the reserved holes of the wall to leave spaces of the reserved holes, and the jacking guide rods 2 are used for jacking and fixing the fixing plates 1 at the positions of the reserved holes of the wall.
Referring to fig. 1 and 2, a pair of connection plates 31 parallel to each other are installed in the adjustment housing 3; two jacking guide rods positioned on two opposite sides of the adjusting shell 3 are connected with two connecting plates 31 in a one-to-one correspondence manner; the adjusting shell 3 is rotationally connected with a bidirectional screw rod 32, and the bidirectional screw rod 32 is perpendicular to the connecting plate 31; two bidirectional screw rods 32 are arranged, and the two bidirectional screw rods 32 are respectively positioned at two opposite ends of the connecting plate 31; the two connecting plates 31 are respectively connected with threaded ends of the bidirectional screw rod 32 in a threaded manner; the adjusting shell 3 is provided with a driving component 4 for driving the bidirectional screw rod 32 to rotate, and the adjusting shell 3 has a protective effect on the driving component 4; the driving assembly 4 drives the two connecting plates 31 to drive the jacking guide rods 2 to move in the direction away from each other, so that the jacking guide rods 2 jack the fixing plate 1 from the positions of two opposite sides of the reserved hole (namely the inner side of the fixing plate 1); when the mold for the wall reserved hole is disassembled, the driving assembly 4 drives the bidirectional screw rod 32 to drive the two connecting plates 31 to move in the direction of approaching each other, so that the connecting plates 31 drive the jacking guide rod 2 to move towards the inner side of the reserved hole, and the jacking guide rod 2 drives the plurality of fixing plates 1 to be separated from the reserved hole of the wall; thereby the mould in wall preformed hole is convenient for dismantle, improves work efficiency.
Referring to fig. 1 and 2, the mold for wall preformed holes further comprises two symmetrically arranged support plates 5, the support plates 5 are bent, and the two support plates 5 are respectively positioned at two opposite sides of the fixed plate 1; clamping grooves 11 are formed in the two opposite ends of the fixed plate 1, and the clamping grooves 11 are stepped; the clamping groove 11 is positioned at one side of the fixed plate 1 far away from the adjusting shell 3; the opposite ends of the supporting plate 5 are provided with clamping blocks 51 which are matched with the clamping grooves 11, and the clamping blocks 51 are clamped in the clamping grooves 11; the two support plates 5 are used for providing assembly support for the two fixing plates 1, so that the two fixing plates 1 have enough installation strength in an assembled state when the wall is poured with concrete; and when the fixed plate 1 is disassembled and assembled, the two support plates 5 are convenient to disassemble and assemble from the inner side of the fixed plate 1, and the disassembly and assembly are convenient.
Referring to fig. 3, the clamping block 51 is connected with a first magnetic attraction piece 52, the fixing plate 1 is provided with a fixing groove 12 communicated with the clamping groove 11, a second magnetic attraction piece 13 is arranged in the fixing groove 12, and the first magnetic attraction piece 52 and the second magnetic attraction piece 13 are attracted; the first magnetic attraction piece 52 is a magnet, the second magnetic attraction piece 13 is a magnet or a magnetic attraction metal, and in this embodiment, the second magnetic attraction piece 13 is a magnet; the first magnetic attraction piece 52 and the second magnetic attraction piece 13 enhance the connection effect of the fixing plate 1 and the support plate 5.
Referring to fig. 1 and 2, a limiting partition plate 33 and a pair of elastic members 34 are arranged in the adjusting shell 3, the limiting partition plate 33 is positioned at the bracket positions of the two connecting plates 31, and the elastic members 34 are springs; the two elastic pieces 34 are respectively positioned on two opposite sides of the limiting partition plate 33, the two elastic pieces 34 are arranged in one-to-one correspondence with the two connecting plates 31, one end of each elastic piece 34 is connected with each connecting plate 31, and the other end of each elastic piece 34 is connected with the limiting partition plate 33; the limiting partition plate 33 is used for limiting and installing the elastic piece 34 at a designated position in the adjusting shell 3; the elastic piece 34 is beneficial to improving the jacking and propping effect of the jacking guide rod 2 on the fixed plate 1, and in the process of disassembling and assembling the die, the connecting plate 31 compresses the elastic piece 34 towards the inner side of the reserved hole so as to provide a space for the jacking guide rod 2 to move towards the inner side of the reserved hole.
Referring to fig. 1 and 2, the driving assembly 4 includes two bevel gears 41, a transmission rod 42 and a rotating handle 43, the driving wheels of the two bevel gears 41 are respectively sleeved on the bidirectional screw rod 32 in a one-to-one correspondence manner, the driven wheel of one bevel gear 41 is sleeved on one end of the transmission rod 42, the driven wheel of the other bevel gear 41 is sleeved on the other end of the transmission rod 42, and one end of one bidirectional screw rod 32 passes through the outside of the adjusting shell 3 and is connected with the rotating handle 43; the rotating handle 43 drives one of the two-way screw rods 32 to rotate so as to drive the driven wheel and the driving wheel of the bevel gear 41 to rotate, so that the transmission rod 42 and the other bevel gear 41 rotate so as to drive the other two-way screw rod 32 to rotate, and the two-way screw rods 32 rotate so as to realize the purpose of driving the two connecting plates 31 and the two jacking guide rods 2 to move.
Referring to fig. 1 and 2, the limiting diaphragm 33 is provided with a rotation through hole 331 for the rotation of the transmission rod 42, the limiting diaphragm 33 is provided with communication holes 332 for the rotation of the bevel gears 41 corresponding to the two bevel gears 41, and the communication holes 332 are communicated with the rotation through hole 331; the limiting partition 33 is used for limiting the transmission rod 42 at a designated position in the adjusting shell 3, which is beneficial to maintenance of the transmission rod 42 and the bevel gear 41.
The implementation principle of the mold for the wall preformed hole provided by the embodiment of the utility model is as follows: the staff is with two fixed plates 1 and two backup pads 5 butt in proper order in the preformed hole position of wall for fixed plate 1 and backup pad 5 end to end splice the combination and form preformed hole mould, then fix fixed plate 1 spacing butt at the wall through jacking guide arm 2 and two-way lead screw 32, drive two-way lead screw 32 rotation in order to drive two connecting plates 31 to move in the direction that is away from each other through the manual hand holding twist grip 43 promptly, connecting plate 31 drives jacking guide arm 2 and removes and make jacking guide arm 2 jack up fixed plate 1 from the relative both sides position of preformed hole (i.e. the inboard of fixed plate 1), thereby fixed plate 1, backup pad 5, jacking guide arm 2, connecting plate 31 and drive assembly 4 constitute wall preformed hole mould, be convenient for leave the preformed hole in the wall.
When the mold for the wall reserved hole is disassembled, a worker holds the rotating handle 43 by hand to drive the bidirectional screw rod 32 to rotate along the reverse direction of assembly, so that the bidirectional screw rod 32 drives the two connecting plates 31 to move towards the direction close to each other, the connecting plates 31 drive the jacking guide rod 2 to move towards the inner side of the reserved hole, and the jacking guide rod 2 drives the plurality of fixing plates 1 to be separated from the reserved hole of the wall, thereby facilitating the disassembly of the mold for the wall reserved hole; the technical scheme of the utility model provides the die for the preformed hole, which is convenient to assemble and disassemble and is beneficial to improving the working efficiency of staff.
Example 2
Referring to fig. 4, the embodiment of the present utility model is different from embodiment 1 in that:
the inner side wall of the fixed plate 1 is bent and arranged in a wall reserved hole, and the outer side wall of the fixed plate 1 is arranged straight; the inner side wall of the supporting plate 5 is bent and arranged in the wall reserved hole, and the outer side wall of the supporting plate 5 is arranged straight; the two fixing plates 1 and the two supporting plates 5 are spliced to form a mould for a wall preformed hole with a square cross section; the embodiment of the utility model enables the outer side wall of the assembled mold for the wall preformed hole to be more attached to the side wall of the square wall preformed hole, thereby being applicable to the installation of square fire-fighting equipment.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (9)
1. The mold for the wall preformed hole is characterized by comprising a plurality of fixing plates (1) for abutting against the side wall of the wall preformed hole, wherein the fixing plates (1) are bent; the lifting guide rod (2) and the adjusting shell (3) which is hollow in the inside and provided with an opening are arranged in the fixing plate (1); the jacking guide rods (2) are arranged in a plurality, the jacking guide rods (2) are arranged in one-to-one correspondence with the fixing plates (1), one end of each jacking guide rod (2) is fixedly connected with each fixing plate (1), and the other end of each jacking guide rod (2) penetrates through the adjusting shell (3) and is in sliding connection with the adjusting shell (3); a pair of connecting plates (31) are arranged in the adjusting shell (3); the jacking guide rods (2) positioned on two opposite sides of the adjusting shell (3) are divided into two groups and are connected with the two connecting plates (31) in a one-to-one correspondence manner; the two-way screw rod (32) is rotationally connected to the adjusting shell (3), and the two connecting plates (31) are respectively connected to threaded ends of the two-way screw rod (32) with opposite threads in a threaded manner; the adjusting shell (3) is provided with a driving component (4) for driving the bidirectional screw rod (32) to rotate.
2. A wall preformed hole mould according to claim 1, characterized in that the fixing plate (1) is symmetrically provided with two, and the jacking guide rods (2) are provided with two.
3. The mold for wall preformed holes according to claim 2, further comprising two symmetrically arranged support plates (5), wherein clamping grooves (11) are formed at opposite ends of the fixed plate (1), and the clamping grooves (11) are positioned at one side of the fixed plate (1) away from the adjusting shell (3); clamping blocks (51) matched with the clamping grooves (11) are arranged at the two opposite ends of the supporting plate (5), and the clamping blocks (51) are clamped in the clamping grooves (11).
4. A wall preformed hole mould according to claim 3, characterized in that the clamping block (51) is connected with a first magnetic attraction piece (52), the fixing plate (1) is provided with a fixing groove (12) communicated with the clamping groove (11), a second magnetic attraction piece (13) is arranged in the fixing groove (12), and the first magnetic attraction piece (52) and the second magnetic attraction piece (13) are attracted.
5. The mold for wall preformed holes according to claim 2, wherein a limiting partition plate (33) and a pair of elastic members (34) are arranged in the adjusting shell (3), the limiting partition plate (33) is located at the position of two supports of the connecting plate (31), the two elastic members (34) are located at two opposite sides of the limiting partition plate (33), the two elastic members (34) are arranged in one-to-one correspondence with the two connecting plates (31), one end of each elastic member (34) is connected with the connecting plate (31), and the other end of each elastic member (34) is connected with the corresponding limiting partition plate (33).
6. A mould for wall preformed holes according to claim 5, characterized in that said two-way screw rods (32) are provided in two, two of said two-way screw rods (32) being located at opposite ends of said connecting plate (31), respectively.
7. The wall preformed hole mold according to claim 6, wherein the driving assembly (4) comprises two bevel gears (41), a transmission rod (42) and a rotating handle (43), the driving wheels of the two bevel gears (41) are respectively sleeved on the bidirectional screw rod (32) in a one-to-one correspondence manner, the driven wheel of one bevel gear (41) is sleeved on one end of the transmission rod (42), the driven wheel of the other bevel gear (41) is sleeved on the other end of the transmission rod (42), and one end of one bidirectional screw rod (32) passes through the outside of the adjusting shell (3) and is connected with the rotating handle (43).
8. The wall preformed hole mold according to claim 7, wherein the limiting partition plate (33) is provided with a rotation through hole (331) for the rotation of the transmission rod (42), the limiting partition plate (33) is provided with a communication hole (332) for the rotation of the bevel gears (41) corresponding to the two bevel gears (41), and the communication hole (332) is communicated with the rotation through hole (331).
9. A mould for wall preformed holes according to claim 3, characterized in that two fixing plates (1) and two supporting plates (5) are spliced to form a mould for wall preformed holes with square cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321384289.2U CN219710978U (en) | 2023-06-01 | 2023-06-01 | Mould for wall preformed hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321384289.2U CN219710978U (en) | 2023-06-01 | 2023-06-01 | Mould for wall preformed hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219710978U true CN219710978U (en) | 2023-09-19 |
Family
ID=87997398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321384289.2U Active CN219710978U (en) | 2023-06-01 | 2023-06-01 | Mould for wall preformed hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219710978U (en) |
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2023
- 2023-06-01 CN CN202321384289.2U patent/CN219710978U/en active Active
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