CN113618901A - Spatula for concrete - Google Patents
Spatula for concrete Download PDFInfo
- Publication number
- CN113618901A CN113618901A CN202110769123.1A CN202110769123A CN113618901A CN 113618901 A CN113618901 A CN 113618901A CN 202110769123 A CN202110769123 A CN 202110769123A CN 113618901 A CN113618901 A CN 113618901A
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- China
- Prior art keywords
- plate
- positioning
- rod
- connecting rod
- limiting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/0806—Details; Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention relates to a trowel for concrete, which comprises a bottom plate, a connecting mechanism and a positioning mechanism, wherein the connecting mechanism comprises a connecting assembly and a fixing assembly, the positioning mechanism comprises a first positioning plate, a second positioning plate, a positioning assembly and a supporting assembly, the trowel for concrete is enabled to better abut against a fixed plate through the connecting mechanism, a gap between a first nut and a screw rod is reduced, the first nut is prevented from loosening, the firmness is improved, a connecting rod and the bottom plate are in a vertical state through the rotation of a connecting block, so that the concrete in a mixer is conveniently scraped and cleaned, the safety is improved, the positioning of the connecting rod is realized through the positioning mechanism, the connecting rod and the bottom plate are parallel, the stability during the movement of the bottom plate is improved, the positioning of the abutting plate is realized through the limiting assembly, and meanwhile, a reverse thrust to the abutting plate is realized through a second spring, so that the abutting plate is abutted better with the first nut, thereby improving the fixing effect.
Description
Technical Field
The invention particularly relates to a trowel for concrete.
Background
Current concrete spatula is mostly the integral type, can not dismantle, and the fixed not extension of handle, holds the spatula and stretches into remaining concrete in the inside clearance mixer of mixer when needing, adopts current concrete spatula to cause the incident very easily at the operation process this moment, and the practicality is not strong.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, a trowel for concrete is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a trowel for concrete comprises a bottom plate, a connecting mechanism and a positioning mechanism, wherein the bottom plate is horizontally arranged, and the connecting mechanism and the positioning mechanism are arranged on the bottom plate;
the connecting mechanism comprises a connecting component and a fixing component, the connecting component is arranged above the bottom plate, the connecting component comprises a connecting block, a support plate, a first nut, a screw rod, a connecting rod, a bearing and a first spring, the screw rod is horizontally arranged above the bottom plate, the connecting rod is arranged on one side of the screw rod, the connecting block is arranged at one end of the screw rod far away from the connecting rod, one end of the screw rod is connected with the connecting rod, the other end of the screw rod is connected with the connecting block, the screw rod is coaxially arranged with the connecting rod, the first nut is sleeved on the screw rod, the first nut is in threaded connection with the screw rod, the support plate is sleeved on the screw rod, the support plate is positioned at one end of the screw rod far away from the connecting rod, the support plate is in sliding connection with the screw rod, the bearing sleeve is arranged at one end of the connecting rod close to the screw rod, and the inner ring of the bearing is connected with the outer ring of the connecting rod, the first spring is arranged between the first nut and the bearing, the first spring is sleeved on the screw rod, one end of the first spring is connected with the end face of the first nut, which is far away from one end of the abutting plate, the other end of the first spring is connected with the end face of the bearing outer ring, and one end of the first nut, which is far away from the first spring, is abutted against the abutting plate;
the fixing assembly is arranged on the bottom plate and comprises two fixing plates and a bolt, the two fixing plates are vertically arranged on the bottom plate and are respectively positioned on two sides of the connecting block, the connecting block is provided with a communicating hole, the bolt penetrates through the communicating hole, and the connecting block is connected with the fixing plates through the bolt;
the positioning mechanism is arranged at one end, far away from the screw rod, of the connecting rod and comprises a first positioning plate, a second positioning plate, a positioning assembly and a supporting assembly, the first positioning plate and the second positioning plate are arranged on two sides of the connecting rod respectively, the positioning assembly is arranged between the first positioning plate and the second positioning plate, and the supporting assembly is arranged between the connecting rod and the bottom plate.
In order to limit the connecting rod, the positioning assembly comprises a positioning rod, a connecting plate, a magnet and an elastic rope, one side of the second positioning plate, which is close to the first positioning plate, is provided with a cylindrical groove, the magnet is arranged at the bottom end inside the groove, the connecting plate is arranged on one side of the first positioning plate far away from the second positioning plate, the positioning rod is arranged between the connecting plate and the magnet, one end of the positioning rod passes through the first positioning plate and is connected with the connecting plate, the other end of the positioning rod extends into the groove and is abutted against the magnet, the positioning rod is attracted with the magnet, passes through the connecting rod and is connected with the connecting rod in a sliding way, the two elastic ropes are respectively arranged at the two sides of the positioning rod and are positioned between the first positioning plate and the connecting plate, one end of the elastic rope is connected with the first positioning plate, and the other end of the elastic rope is connected with the connecting plate.
In order to realize leaning on the connecting rod, prevent rocking of connecting rod, supporting component includes telescopic link and backup pad, the backup pad sets up the below at the connecting rod, the telescopic link sets up between backup pad and bottom plate, the backup pad passes through the telescopic link and is connected with the bottom plate.
In order to increase the contact area and improve the supporting effect, the supporting plate is arc-shaped, and the circle center of the supporting plate is positioned on the connecting rod.
In order to realize the limit of the abutting plate and prevent the movement of the abutting plate, so that the first nut can better limit the lead screw and the connecting rod through the abutting plate, and prevent the lead screw and the connecting rod from moving, so that the use process is more stable, two ends of one side of the abutting plate, which is close to the fixed plate, are respectively provided with a limit component, one end of the fixed plate, which is close to the abutting plate, is provided with a limit groove, the limit component is positioned in the limit groove, the limit component comprises a second spring, a sealing ring, a limit rod, a limit block and a positioning pin, the limit rod is horizontally arranged in the limit groove, one end of the limit rod is connected with the bottom end inside the limit groove, the sealing ring is sleeved on the limit rod, the limit rod is provided with a strip-shaped positioning groove, the limit block is arranged between the limit rod and the sealing ring, and one end of the limit block is connected with the inner ring of the sealing ring, the other end of stopper is located the constant head tank, the sealing ring passes through stopper and constant head tank sliding connection, the locating pin sets up at the sealing ring and supports and lean on between the board, the one end of locating pin with support to lean on the board to be connected, the other end of locating pin stretches into the terminal surface of spacing groove and sealing ring and supports and lean on, locating pin and spacing groove sliding connection, the one end that supports the board is kept away from to the locating pin is equipped with the spread groove, the gag lever post is located the spread groove, gag lever post and spread groove sliding connection, the one end of locating pin is kept away from at the sealing ring to the second spring setting, the second spring housing is established on the gag lever post, the one end and the sealing ring of second spring are connected, the other end and the bottom of spacing inslot portion of second spring are connected.
The invention has the advantages that the trowel for concrete realizes the fixation of the bottom plate through the connecting mechanism, the abutting plate is better abutted against the fixed plate through the restoring force of the first spring, the gap between the first screw cap and the screw rod is reduced, the first screw cap is prevented from loosening, the firmness is improved, the connecting rod and the bottom plate are in a vertical state through the rotation of the connecting block, the scraping and cleaning of the concrete in the mixer are conveniently realized, the safety is improved, the arm scratch of an operator is prevented, the connecting rod is positioned through the positioning mechanism and is parallel to the bottom plate, the stability of the connecting rod when the bottom plate is driven to move is improved, the trowel for concrete is smoother in use, the abutting plate is positioned through the limiting component, meanwhile, the reverse thrust to the abutting plate is realized through the second spring, and the abutting plate is better abutted against the first screw cap, thereby promoting the fixing effect and improving the practicability of use.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of a trowel for concrete according to the present invention;
fig. 2 is a schematic view showing a connection structure of a trowel base plate, a link and a positioning mechanism for concrete according to the present invention;
fig. 3 is a schematic view showing a connection structure of a trowel link and a positioning mechanism for concrete according to the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 1;
FIG. 5 is a schematic view of a connection structure of a trowel sealing ring and a stopper for concrete according to the present invention;
in the figure: 1. the novel anti-theft device comprises a base plate, 2 parts of a connecting block, 3 parts of a support plate, 4 parts of a first nut, 5 parts of a screw rod, 6 parts of a connecting rod, 7 parts of a bearing, 8 parts of a first spring, 9 parts of a fixing plate, 10 parts of a bolt, 11 parts of a first positioning plate, 12 parts of a second positioning plate, 13 parts of a positioning rod, 14 parts of a connecting plate, 15 parts of a magnet, 16 parts of an elastic rope, 17 parts of a telescopic rod, 18 parts of a supporting plate, 19 parts of a second spring, 20 parts of a sealing ring, 21 parts of a limiting rod, 22 parts of a limiting block and 23 parts of a positioning pin.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, a trowel for concrete comprises a bottom plate 1, a connecting mechanism and a positioning mechanism, wherein the bottom plate 1 is horizontally arranged, and the connecting mechanism and the positioning mechanism are both arranged on the bottom plate 1;
the connecting mechanism comprises a connecting component and a fixing component, the connecting component is arranged above the bottom plate 1, the connecting component comprises a connecting block 2, a supporting plate 3, a first screw cap 4, a screw rod 5, a connecting rod 6, a bearing 7 and a first spring 8, the screw rod 5 is horizontally arranged above the bottom plate 1, the connecting rod 6 is arranged on one side of the screw rod 5, the connecting block 2 is arranged at one end of the screw rod 5 far away from the connecting rod 6, one end of the screw rod 5 is connected with the connecting rod 6, the other end of the screw rod 5 is connected with the connecting block 2, the screw rod 5 is coaxially arranged with the connecting rod 6, the first screw cap 4 is sleeved on the screw rod 5, the first screw cap 4 is in threaded connection with the screw rod 5, the supporting plate 3 is sleeved on the screw rod 5, the supporting plate 3 is positioned at one end of the screw rod 5 far away from the connecting rod 6, the supporting plate 3 is in sliding connection with the screw rod 5, the bearing 7 is sleeved on one end of the connecting rod 6 close to the screw rod 5, the inner ring of the bearing 7 is connected with the outer ring of the connecting rod 6, the first spring 8 is arranged between the first screw cap 4 and the bearing 7, the first spring 8 is sleeved on the screw rod 5, one end of the first spring 8 is connected with the end face of one end, far away from the abutting plate 3, of the first screw cap 4, the other end of the first spring 8 is connected with the end face of the outer ring of the bearing 7, and one end, far away from the first spring 8, of the first screw cap 4 is abutted against the abutting plate 3;
the fixing assembly is arranged on the base plate 1 and comprises two fixing plates 9 and bolts 10, the two fixing plates 9 are vertically arranged on the base plate 1, the two fixing plates 9 are respectively located on two sides of the connecting block 2, communication holes are formed in the connecting block 2, the bolts 10 penetrate through the communication holes, and the connecting block 2 is connected with the fixing plates 9 through the bolts 10.
When concrete is required to be smoothed, the connecting block 2 is fixed through the bolt 10, then the connecting rod 6 is rotated, the connecting rod 6 drives the screw rod 5 to move, the screw rod 5 drives the connecting block 2 to rotate on the bolt 10, the connecting rod 6 is continuously moved at this time, the connecting rod 6 is positioned in the positioning mechanism, the positioning of one end, far away from the screw rod 5, of the connecting rod 6 is realized through the positioning mechanism, the connecting rod 6 is parallel to the bottom plate 1, at this time, the first nut 4 is moved on the screw rod 5 towards the direction of the fixing plate 9 by rotating the first nut 4, the first nut 4 is moved to drive the abutting plate 3 to abut against, the abutting plate 3 is abutted against one side of the fixing plate 9, so that the limiting of the abutting plate 3 is realized, the first spring 8 is always in a compressed state, the abutting against of the first nut 4 is realized through the restoring force of the first spring 8, and the gap between the first nut 4 and the screw rod 5 is reduced, the contact area is increased, so that the first nut 4 is prevented from loosening, the fixing effect is improved, the first spring 8 is connected through the bearing 7, so that when the first nut 4 rotates, the first spring 8 is not affected, and the bolt 10 is used for limiting the left and right of the connecting block 2 and is not required to be screwed tightly.
Here when the concrete on the mixer inner wall needs to be cleaned, only need the pine to add first nut 4, make first nut 4 remove towards the direction of connecting rod 6, realize not hard up connecting rod 6 through positioning mechanism simultaneously, then unscrew bolt 10, at this moment, rotate connecting rod 6, make connecting rod 6 and bottom plate 1 be in the vertically state, at this moment screw up first nut 4 once more, thereby make the top of leaning on board 3 and fixed plate 9 support and lean on, at this moment can realize spacing to connecting rod 6, make connecting rod 6 and bottom plate 1 be in the vertically state, at this moment can realize the cleanness to concrete on the churn inner wall, need not stretch into the mixer with the hand, realize the protection to the operative employee, avoid unexpected emergence, the security is improved.
As shown in fig. 2-3, the positioning mechanism is disposed at an end of the connecting rod 6 far from the lead screw 5, the positioning mechanism includes a first positioning plate 11, a second positioning plate 12, a positioning assembly and a supporting assembly, the first positioning plate 11 and the second positioning plate 12 are respectively disposed at two sides of the connecting rod 6, the positioning assembly is disposed between the first positioning plate 11 and the second positioning plate 12, and the supporting assembly is disposed between the connecting rod 6 and the bottom plate 1.
In order to limit the connecting rod 6, the positioning assembly comprises a positioning rod 13, a connecting plate 14, a magnet 15 and elastic ropes 16, a cylindrical groove is formed in one side, close to the first positioning plate 11, of the second positioning plate 12, the magnet 15 is arranged at the bottom end inside the groove, the connecting plate 14 is arranged on one side, far away from the second positioning plate 12, of the first positioning plate 11, the positioning rod 13 is arranged between the connecting plate 14 and the magnet 15, one end of the positioning rod 13 penetrates through the first positioning plate 11 and is connected with the connecting plate 14, the other end of the positioning rod 13 extends into the groove and abuts against the magnet 15, the positioning rod 13 and the magnet 15 attract each other, the positioning rod 13 penetrates through the connecting rod 6, the positioning rod 13 is connected with the connecting rod 6 in a sliding manner, the elastic ropes 16 are two, the two elastic ropes 16 are respectively arranged on two sides of the positioning rod 13, and the elastic ropes 16 are arranged between the first positioning plate 11 and the connecting plate 14, one end of the elastic rope 16 is connected with the first positioning plate 11, and the other end of the elastic rope 16 is connected with the connecting plate 14.
In order to realize the abutting of the connecting rod 6 and prevent the connecting rod 6 from shaking, the supporting component comprises a telescopic rod 17 and a supporting plate 18, the supporting plate 18 is arranged below the connecting rod 6, the telescopic rod 17 is arranged between the supporting plate 18 and the bottom plate 1, and the supporting plate 18 is connected with the bottom plate 1 through the telescopic rod 17.
In order to increase the contact area and improve the supporting effect, the supporting plate 18 is arc-shaped, and the center of the supporting plate 18 is located on the connecting rod 6.
Here through pulling connecting plate 14, connecting plate 14 drive locating lever 13 removes, make locating lever 13 and the separation of magnet 15, make the one end that connecting plate 14 was kept away from to locating lever 13 be located first locating plate 11 simultaneously, at this moment continue to move connecting rod 6, make connecting rod 6 support with backup pad 18 and lean on, then continue to move connecting rod 6, make connecting rod 6 remove to preset the position, at this moment loosen connecting plate 14, the restoring force through stretch cord 16 realizes the removal to locating lever 13, make locating lever 13 pass connecting rod 6 and be located the recess, then inhale mutually with magnet 15, at this moment can realize spacing to connecting rod 6, reply through telescopic link 17 simultaneously, make the better realization of backup pad 18 to the support of connecting rod 6, thereby reduce the clearance between connecting rod 6 and locating lever 13, thereby improve the stability of connecting rod 6, it is more smooth and easy during the use.
As shown in fig. 4-5, in order to limit the position of the support plate 3 and prevent the support plate 3 from moving, so that the first nut 4 can limit the position of the screw rod 5 and the connecting rod 6 through the support plate 3, and prevent the movement of the screw rod 5 and the connecting rod 6, so that the use process is more stable, two ends of the support plate 3 near one side of the fixing plate 9 are respectively provided with a limiting component, one end of the fixing plate 9 near the support plate 3 is provided with a limiting groove, the limiting component is located in the limiting groove, the limiting component comprises a second spring 19, a sealing ring 20, a limiting rod 21, a limiting block 22 and a positioning pin 23, the limiting rod 21 is horizontally arranged in the limiting groove, one end of the limiting rod 21 is connected with the bottom end inside the limiting groove, the sealing ring 20 is sleeved on the limiting rod 21, the limiting rod 21 is provided with a strip-shaped positioning groove, the limiting block 22 is arranged between the limiting rod 21 and the sealing ring 20, one end of the limiting block 22 is connected with the inner ring of the sealing ring 20, the other end of the limiting block 22 is positioned in the positioning groove, the sealing ring 20 is connected with the positioning groove in a sliding way through a limiting block 22, the positioning pin 23 is arranged between the sealing ring 20 and the abutting plate 3, one end of the positioning pin 23 is connected with the abutting plate 3, the other end of the positioning pin 23 extends into the limiting groove to abut against the end face of the sealing ring 20, the positioning pin 23 is connected with the limiting groove in a sliding manner, one end of the positioning pin 23 far away from the leaning plate 3 is provided with a connecting groove, the limiting rod 21 is positioned in the connecting groove, the limiting rod 21 is connected with the connecting groove in a sliding manner, the second spring 19 is arranged at one end of the sealing ring 20 far away from the positioning pin 23, the second spring 19 is sleeved on the limiting rod 21, one end of the second spring 19 is connected with the sealing ring 20, and the other end of the second spring 19 is connected with the bottom end of the limiting groove.
When the support plate 3 moves, the positioning pin 23 is driven to move simultaneously, so that the positioning pin 23 is positioned in the limiting groove, the limiting rod 21 positioned in the limiting groove extends into the connecting groove on the positioning pin 23, so that the limiting rod 21 is connected with the connecting groove in a sliding manner, and the positioning pin 23 is connected with the limiting groove in a sliding manner, wherein the positioning pin 23 drives the sealing ring 20 to move towards the direction away from the first positioning plate 11, the sealing ring 20 drives the limiting block 22 to slide in the positioning groove, the limiting block 22 is used for limiting the sealing ring 20 when the second spring 19 is in a compressed state, so that when the support plate 3 is separated from the fixing plate 9, the resetting of the sealing ring 20 is realized through the restoring force of the second spring 19, at the moment, the end surface of one end, away from the second spring 19, of the sealing ring 20 is positioned on the same horizontal plane with one side of the fixing plate 9, so as to prevent garbage from entering the limiting groove, thereby make locating pin 23 better be located the spacing inslot for locating pin 23 removes more smoothly in the spacing inslot, realizes here through second spring 19 a reverse thrust to the backup plate 3, makes the backup plate 3 better support with first nut 4 and supports, thereby promotes fixed effect, has improved the practicality of using.
When concrete is required to be smoothed, the connecting block 2 is fixed through the bolt 10, then the connecting rod 6 is rotated, the connecting rod 6 drives the screw rod 5 to move, the screw rod 5 drives the connecting block 2 to rotate on the bolt 10, the connecting rod 6 is continuously moved at this time, the connecting rod 6 is positioned in the positioning mechanism, the positioning of one end, far away from the screw rod 5, of the connecting rod 6 is realized through the positioning mechanism, the connecting rod 6 is parallel to the bottom plate 1, at this time, the first nut 4 is moved on the screw rod 5 towards the direction of the fixing plate 9 by rotating the first nut 4, the first nut 4 is moved to drive the abutting plate 3 to abut against, the abutting plate 3 is abutted against one side of the fixing plate 9, so that the limiting of the abutting plate 3 is realized, the first spring 8 is always in a compressed state, the abutting against of the first nut 4 is realized through the restoring force of the first spring 8, and the gap between the first nut 4 and the screw rod 5 is reduced, the contact area is increased, so that the first nut 4 is prevented from loosening, the fixing effect is improved, the first spring 8 is connected through the bearing 7, so that when the first nut 4 rotates, the first spring 8 is not affected, and the bolt 10 is used for limiting the left and right of the connecting block 2 and is not required to be screwed tightly.
Here when the concrete on the mixer inner wall needs to be cleaned, only need the pine to add first nut 4, make first nut 4 remove towards the direction of connecting rod 6, realize not hard up connecting rod 6 through positioning mechanism simultaneously, then unscrew bolt 10, at this moment, rotate connecting rod 6, make connecting rod 6 and bottom plate 1 be in the vertically state, at this moment screw up first nut 4 once more, thereby make the top of leaning on board 3 and fixed plate 9 support and lean on, at this moment can realize spacing to connecting rod 6, make connecting rod 6 and bottom plate 1 be in the vertically state, at this moment can realize the cleanness to concrete on the churn inner wall, need not stretch into the mixer with the hand, realize the protection to the operative employee, avoid unexpected emergence, the security is improved.
Here through pulling connecting plate 14, connecting plate 14 drive locating lever 13 removes, make locating lever 13 and the separation of magnet 15, make the one end that connecting plate 14 was kept away from to locating lever 13 be located first locating plate 11 simultaneously, at this moment continue to move connecting rod 6, make connecting rod 6 support with backup pad 18 and lean on, then continue to move connecting rod 6, make connecting rod 6 remove to preset the position, at this moment loosen connecting plate 14, the restoring force through stretch cord 16 realizes the removal to locating lever 13, make locating lever 13 pass connecting rod 6 and be located the recess, then inhale mutually with magnet 15, at this moment can realize spacing to connecting rod 6, reply through telescopic link 17 simultaneously, make the better realization of backup pad 18 to the support of connecting rod 6, thereby reduce the clearance between connecting rod 6 and locating lever 13, thereby improve the stability of connecting rod 6, it is more smooth and easy during the use.
When the support plate 3 moves, the positioning pin 23 is driven to move simultaneously, so that the positioning pin 23 is positioned in the limiting groove, the limiting rod 21 positioned in the limiting groove extends into the connecting groove on the positioning pin 23, so that the limiting rod 21 is connected with the connecting groove in a sliding manner, and the positioning pin 23 is connected with the limiting groove in a sliding manner, wherein the positioning pin 23 drives the sealing ring 20 to move towards the direction away from the first positioning plate 11, the sealing ring 20 drives the limiting block 22 to slide in the positioning groove, the limiting block 22 is used for limiting the sealing ring 20 when the second spring 19 is in a compressed state, so that when the support plate 3 is separated from the fixing plate 9, the resetting of the sealing ring 20 is realized through the restoring force of the second spring 19, at the moment, the end surface of one end, away from the second spring 19, of the sealing ring 20 is positioned on the same horizontal plane with one side of the fixing plate 9, so as to prevent garbage from entering the limiting groove, thereby make locating pin 23 better be located the spacing inslot for locating pin 23 removes more smoothly in the spacing inslot, realizes here through second spring 19 a reverse thrust to the backup plate 3, makes the backup plate 3 better support with first nut 4 and supports, thereby promotes fixed effect, has improved the practicality of using.
Compared with the prior art, the trowel for concrete realizes the fixation of the bottom plate 1 through the connecting mechanism, the restoring force of the first spring 8 ensures that the abutting plate 3 is better abutted against the fixed plate 9, the gap between the first screw cap 4 and the screw rod 5 is reduced, the looseness of the first screw cap 4 is prevented, the firmness is improved, the connecting rod 6 and the bottom plate 1 are in a vertical state through the rotation of the connecting block 2, the scraping and cleaning of concrete in the mixer are convenient to realize, the safety is improved, the arm scratch of an operator is prevented, the positioning of the connecting rod 6 is realized through the positioning mechanism, the connecting rod 6 is parallel to the bottom plate 1, the stability of the connecting rod 6 when the bottom plate 1 is driven to move is improved, the trowel for concrete is smoother in use, the positioning of the abutting plate 3 is realized through the limiting component, and meanwhile, the reverse thrust of the abutting plate 3 is realized through the second spring 19, make 3 better support with first nut 4 of support plate and support to promote fixed effect, improved the practicality of using.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. The trowel for concrete is characterized by comprising a bottom plate (1), a connecting mechanism and a positioning mechanism, wherein the bottom plate (1) is horizontally arranged, and the connecting mechanism and the positioning mechanism are both arranged on the bottom plate (1);
the connecting mechanism comprises a connecting assembly and a fixing assembly, the connecting assembly is arranged above the bottom plate (1), the connecting assembly comprises a connecting block (2), a supporting plate (3), a first nut (4), a screw rod (5), a connecting rod (6), a bearing (7) and a first spring (8), the screw rod (5) is horizontally arranged above the bottom plate (1), the connecting rod (6) is arranged on one side of the screw rod (5), the connecting block (2) is arranged at one end of the screw rod (5) far away from the connecting rod (6), one end of the screw rod (5) is connected with the connecting rod (6), the other end of the screw rod (5) is connected with the connecting block (2), the screw rod (5) and the connecting rod (6) are coaxially arranged, the first nut (4) is sleeved on the screw rod (5), the first nut (4) is in threaded connection with the screw rod (5), the supporting plate (3) is sleeved on the screw rod (5), the support plate (3) is located at one end, far away from the connecting rod (6), of the lead screw (5), the support plate (3) is connected with the lead screw (5) in a sliding mode, the bearing (7) is sleeved at one end, close to the lead screw (5), of the connecting rod (6), the inner ring of the bearing (7) is connected with the outer ring of the connecting rod (6), the first spring (8) is arranged between the first nut (4) and the bearing (7), the first spring (8) is sleeved on the lead screw (5), one end of the first spring (8) is connected with the end face, far away from the support plate (3), of the first nut (4), the other end of the first spring (8) is connected with the end face of the outer ring of the bearing (7), and one end, far away from the first spring (8), of the first nut (4) is abutted against the support plate (3);
the fixing assembly is arranged on the bottom plate (1) and comprises two fixing plates (9) and bolts (10), the two fixing plates (9) are vertically arranged on the bottom plate (1), the two fixing plates (9) are respectively positioned on two sides of the connecting block (2), communication holes are formed in the connecting block (2), the bolts (10) penetrate through the communication holes, and the connecting block (2) is connected with the fixing plates (9) through the bolts (10);
positioning mechanism sets up the one end of keeping away from lead screw (5) in connecting rod (6), positioning mechanism includes first locating plate (11), second locating plate (12), locating component and supporting component, first locating plate (11) and second locating plate (12) set up the both sides in connecting rod (6) respectively, locating component sets up between first locating plate (11) and second locating plate (12), the supporting component sets up between connecting rod (6) and bottom plate (1).
2. The trowel for concrete according to claim 1, wherein the positioning assembly includes a positioning rod (13), a connecting plate (14), a magnet (15) and an elastic rope (16), a cylindrical groove is formed in one side of the second positioning plate (12) close to the first positioning plate (11), the magnet (15) is arranged at the bottom end inside the groove, the connecting plate (14) is arranged on one side of the first positioning plate (11) far away from the second positioning plate (12), the positioning rod (13) is arranged between the connecting plate (14) and the magnet (15), one end of the positioning rod (13) penetrates through the first positioning plate (11) and is connected with the connecting plate (14), the other end of the positioning rod (13) extends into the groove and abuts against the magnet (15), the positioning rod (13) is attracted with the magnet (15), and the positioning rod (13) penetrates through the connecting rod (6), the positioning rod (13) is connected with the connecting rod (6) in a sliding mode, the number of the elastic ropes (16) is two, the two elastic ropes (16) are arranged on two sides of the positioning rod (13) respectively, the elastic ropes (16) are located between the first positioning plate (11) and the connecting plate (14), one end of each elastic rope (16) is connected with the first positioning plate (11), and the other end of each elastic rope (16) is connected with the connecting plate (14).
3. A spatula for concrete according to claim 1, wherein the support assembly comprises a telescopic rod (17) and a support plate (18), the support plate (18) being disposed below the connecting rod (6), the telescopic rod (17) being disposed between the support plate (18) and the base plate (1), the support plate (18) being connected to the base plate (1) by the telescopic rod (17).
4. A trowel for concrete according to claim 3, characterized in that said supporting plate (18) is arc-shaped, the centre of the supporting plate (18) being located on the connecting rod (6).
5. The trowel for concrete according to claim 1, wherein two ends of one side of the abutting plate (3) close to the fixing plate (9) are respectively provided with a limiting component, one end of the fixing plate (9) close to the abutting plate (3) is provided with a limiting groove, the limiting components are located in the limiting grooves, the limiting components comprise second springs (19), sealing rings (20), limiting rods (21), limiting blocks (22) and positioning pins (23), the limiting rods (21) are horizontally arranged in the limiting grooves, one ends of the limiting rods (21) are connected with the bottom ends inside the limiting grooves, the sealing rings (20) are sleeved on the limiting rods (21), the limiting rods (21) are provided with strip-shaped positioning grooves, the limiting blocks (22) are arranged between the limiting rods (21) and the sealing rings (20), one ends of the limiting blocks (22) are connected with the inner rings of the sealing rings (20), the other end of stopper (22) is located the constant head tank, sealing ring (20) passes through stopper (22) and constant head tank sliding connection, locating pin (23) set up sealing ring (20) and support and lean on between board (3), the one end and the backup plate (3) of locating pin (23) are connected, the other end of locating pin (23) stretches into the terminal surface of spacing groove and sealing ring (20) and supports and lean on, locating pin (23) and spacing groove sliding connection, the one end that keeps away from backup plate (3) of locating pin (23) is equipped with the spread groove, gag lever post (21) are located the spread groove, gag lever post (21) and spread groove sliding connection, second spring (19) set up the one end of keeping away from locating pin (23) at sealing ring (20), second spring (19) cover is established on gag lever post (21), the one end and the sealing ring (20) of second spring (19) are connected, the other end of the second spring (19) is connected with the bottom end in the limiting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110769123.1A CN113618901A (en) | 2021-07-07 | 2021-07-07 | Spatula for concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110769123.1A CN113618901A (en) | 2021-07-07 | 2021-07-07 | Spatula for concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113618901A true CN113618901A (en) | 2021-11-09 |
Family
ID=78379228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110769123.1A Pending CN113618901A (en) | 2021-07-07 | 2021-07-07 | Spatula for concrete |
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| Country | Link |
|---|---|
| CN (1) | CN113618901A (en) |
Citations (7)
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|---|---|---|---|---|
| AU5711873A (en) * | 1973-06-20 | 1975-01-09 | Lincoln C J | Trowels trowels |
| US5545287A (en) * | 1994-07-27 | 1996-08-13 | Carl A. Carlson | Finishing tool for completing a taped wallboard joint |
| WO2009056523A2 (en) * | 2007-10-29 | 2009-05-07 | Nd Secret | Composition that forms, on mixing with water, a paste for producing a decorative coating on a support and tools used for this purpose |
| TWM471483U (en) * | 2013-08-21 | 2014-02-01 | Xu Kai Di | Improved adjustment structure of large spatula and trowel |
| CN204728656U (en) * | 2015-06-02 | 2015-10-28 | 中建商品混凝土西安有限公司 | A kind of concrete special spatula |
| CN212743273U (en) * | 2020-07-25 | 2021-03-19 | 欧典建设有限公司 | Trowel for decoration |
| CN213288914U (en) * | 2020-04-28 | 2021-05-28 | 高邮市龙华机械有限公司 | Deburring equipment for plates |
-
2021
- 2021-07-07 CN CN202110769123.1A patent/CN113618901A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU5711873A (en) * | 1973-06-20 | 1975-01-09 | Lincoln C J | Trowels trowels |
| US5545287A (en) * | 1994-07-27 | 1996-08-13 | Carl A. Carlson | Finishing tool for completing a taped wallboard joint |
| WO2009056523A2 (en) * | 2007-10-29 | 2009-05-07 | Nd Secret | Composition that forms, on mixing with water, a paste for producing a decorative coating on a support and tools used for this purpose |
| TWM471483U (en) * | 2013-08-21 | 2014-02-01 | Xu Kai Di | Improved adjustment structure of large spatula and trowel |
| CN204728656U (en) * | 2015-06-02 | 2015-10-28 | 中建商品混凝土西安有限公司 | A kind of concrete special spatula |
| CN213288914U (en) * | 2020-04-28 | 2021-05-28 | 高邮市龙华机械有限公司 | Deburring equipment for plates |
| CN212743273U (en) * | 2020-07-25 | 2021-03-19 | 欧典建设有限公司 | Trowel for decoration |
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Application publication date: 20211109 |