CN214615042U - Fixed combined cushion block device for controlling thickness of concrete protective layer - Google Patents
Fixed combined cushion block device for controlling thickness of concrete protective layer Download PDFInfo
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- CN214615042U CN214615042U CN202121005630.XU CN202121005630U CN214615042U CN 214615042 U CN214615042 U CN 214615042U CN 202121005630 U CN202121005630 U CN 202121005630U CN 214615042 U CN214615042 U CN 214615042U
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Abstract
The utility model belongs to the cushion block field, in particular to a fixed combined cushion block device for controlling the thickness of a concrete protective layer, which comprises a first cushion block and a second cushion block, and is characterized by also comprising an automatic adjusting device, wherein two ends of the automatic adjusting device are respectively connected with the first cushion block and the second cushion block through transverse steel bars for adjusting the distance between the first cushion block and the second cushion block; one end of the first cushion block or the second cushion block, which is far away from the automatic adjusting device, is respectively arranged on the two templates; connect first cushion and second cushion through automatic regulating apparatus, can guarantee that template and reinforcing bar interval are neat, structural surface unevenness, phenomenon such as exposed rib can not appear after the form removal, make the reinforcing bar be in the best stress position of design, prolong the life of reinforcing bar simultaneously, prevent too early corrosion.
Description
Technical Field
The utility model belongs to the cushion field especially relates to a fixed combination cushion device for controlling concrete protective layer thickness.
Background
The concrete protective layer is used for ensuring that the reinforcing steel bars and the concrete around the reinforcing steel bars can work together and enabling the reinforcing steel bars to fully exert the strength required by calculation; the reinforcing steel bar is prevented from being corroded, so that the reinforcing steel bar is prevented from being corroded to reduce the structural reliability within the designed service life of the member; the thickness of the concrete protective layer is strictly required in various reinforced concrete structures, and poor control can cause rib leakage, thus leading to the oxidation, rusting and expansion of the reinforcing steel bar, greatly reducing the mechanical property of the structure and possibly leading to the cracking of the concrete; when an accidental fire occurs, the strength of the steel bar is reduced due to overheating, so that the whole structure is damaged; when the traditional method uses the steel bar inner support, the wall surface after the form removal is uneven due to improper operation, the steel bar is exposed on the wall surface, and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide one kind and can guarantee that reinforcing bar protective layer thickness is even, prolong the life of reinforcing bar simultaneously, prevent the cushion of the control concrete protective layer thickness of too early corruption, specifically be a fixed combination cushion device for controlling concrete protective layer thickness.
The utility model provides a fixed combination cushion block device for controlling the thickness of a concrete protective layer, which comprises a first cushion block and a second cushion block, and is characterized by also comprising an automatic adjusting device, wherein two ends of the automatic adjusting device are respectively connected with the first cushion block and the second cushion block through transverse steel bars and are used for adjusting the distance between the first cushion block and the second cushion block; one end of the first cushion block or one end of the second cushion block, which is far away from the automatic adjusting device, are respectively arranged on the two templates.
Preferably, the automatic regulating device comprises a threaded sleeve, threads are arranged inside the threaded sleeve, threads matched with the threaded sleeve are arranged at one end, away from the first cushion block or the second cushion block, of the transverse steel bar, and the threaded sleeve is connected with the first cushion block or the second cushion block through the threaded transverse steel bar.
Preferably, the threads at the two ends of the threaded sleeve have opposite directions of rotation.
Preferably, the automatic adjusting device comprises a first sleeve, a second sleeve, a third sleeve, a first bolt and a second bolt, wherein the first sleeve is provided with a plurality of first through holes, the second sleeve is provided with a plurality of second through holes, the third sleeve is provided with a third through hole, one end of the first sleeve is connected with the first cushion block through a transverse steel bar, and the other end of the first sleeve extends into the second sleeve; the first bolt is inserted into the first through hole and the second through hole and used for fixing the first sleeve and the second sleeve; one end of the second sleeve, which is far away from the first sleeve, extends into the third sleeve; the second bolt is inserted into the second through hole and the third through hole and used for fixing the second sleeve and the third sleeve; one end of the third sleeve, far away from the second sleeve, is connected with the second cushion block through a transverse steel bar.
Preferably, the first cushion block or the second cushion block is coated with a fireproof paint.
Preferably, the light reflecting paste is pasted at one end, far away from the template, of the first cushion block or the second cushion block.
Has the advantages that:
1. connect first cushion and second cushion through automatic regulating apparatus, can guarantee that template and reinforcing bar interval are neat, structural surface unevenness, phenomenon such as exposed rib can not appear after the form removal, make the reinforcing bar be in the best stress position of design, prolong the life of reinforcing bar simultaneously, prevent too early corrosion.
2. Have the reflection of light subsides through first cushion or second cushion upper berth for the position that the cushion was located can be quick found during the inspection, and first cushion or second cushion skin have painted the fire prevention lacquer, can protect the reinforcing bar that is heated relatively easily and softens.
3. Because the cushion blocks with equal structural strength are adopted, the structure is not greatly influenced, and compared with a steel bar cushion block and a plastic cushion block, the cushion block has stable quality, is not easy to damage, has low manufacturing cost and is easy to obtain materials; and the cushion block has a certain volume, so that a certain amount of concrete can be saved when the using amount is enough.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a concrete protective layer thickness control chart in the practice of the present invention.
Fig. 2 is a top view of a spacer block assembly in accordance with an embodiment of the present invention.
Fig. 3 is a cross-sectional view of a spacer block assembly in accordance with an embodiment of the present invention.
Fig. 4 is a schematic view of a first automatic adjusting device in the implementation of the present invention.
Fig. 5 is a schematic view of a second automatic adjusting device in the practice of the present invention.
Description of reference numerals:
1-a first cushion block; 2-a second cushion block; 3-automatic regulating means; 4-template; 5-a threaded sleeve; 6-transverse steel bars; 7-a first sleeve; 8-a second sleeve; 9-a third sleeve; 10-a first bolt; 11-a second bolt; 12-a first via; 13-a second via; 14-a third via; 15-fireproof paint; 16-reflective sticker; 17-a steel bar groove; and 18-steel wire fixing port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 is a concrete protective layer thickness control diagram according to the present invention, which includes a fixed type combined cushion block device for controlling the thickness of the concrete protective layer, the device includes a first cushion block 1 and a second cushion block 2, and an automatic adjusting device 3, two ends of the automatic adjusting device 3 are respectively connected with the first cushion block 1 and the second cushion block 2 through a transverse steel bar 6, and are used for adjusting the distance between the first cushion block 1 and the second cushion block 2; the ends, far away from the automatic adjusting device 3, of the first cushion block 1 and the second cushion block 2 are respectively installed on the two templates 4.
Connect first cushion 1 and second cushion 2 through automatic regulating apparatus 3, can guarantee that template 4 and reinforcing bar interval are neat, structural surface unevenness, phenomenon such as exposed bar can not appear after the form removal, make the reinforcing bar be in the best stress position of design, prolong the life of reinforcing bar simultaneously, prevent too early corrosion.
Fig. 2 is a top view of a cushion block device in the implementation of the present invention, as shown in the figure, a fireproof paint 15 is coated on both the first cushion block 1 and the second cushion block 2, and a reflective sticker 16 is attached to one end of the first cushion block 1 or the second cushion block 2 away from the template 4; the first cushion block 1 or the second cushion block 2 is further provided with a steel bar groove 17, and steel bars are placed in the steel bar groove 17.
Paste through first cushion 1 or second cushion 2 and have reflection of light subsides 16 for can be quick during the inspection find the position that the cushion was located, and first cushion 1 or 2 skin of second cushion are brushed with fire prevention paint 15, can protect the reinforcing bar that is heated relatively easily and softens.
Fig. 3 is the utility model discloses the cushion device cross-sectional view in the implementation, as shown in the figure, first cushion 1 or the inside steel wire fixed port 18 that still is provided with of second cushion 2, the steel wire passes steel wire fixed port 18 and will place the reinforcement in steel bar groove 17 on first cushion 1 or second cushion 2.
Fig. 4 is a schematic view of a first automatic adjustment device in the implementation of the present invention, as shown in the figure, the automatic adjustment device 3 is a threaded sleeve 5, a thread is provided inside the threaded sleeve 5, and a thread adapted to the threaded sleeve 5 is provided at an end of the transverse steel bar 6 away from the first cushion block 1 or the second cushion block 2, and the threaded sleeve 5 is connected to the first cushion block 1 or the second cushion block 2 through the threaded transverse steel bar 6; by rotating the threaded sleeve 5, the adjustment of the distance between the first cushion block 1 and the second cushion block 2 is achieved.
Fig. 5 is a schematic view of a second automatic adjusting device in the implementation of the present invention, as shown in the figure, the automatic adjusting device 3 is a multi-section sleeve, and includes a first sleeve 7, a second sleeve 8, a third sleeve 9, a first bolt 10 and a second bolt 11, a plurality of first through holes 12 are opened on the first sleeve 7, a plurality of second through holes 13 are opened on the second sleeve 8, a third through hole 14 is opened on the third sleeve 9, one end of the first sleeve 7 is connected to the first cushion block 1 through a transverse steel bar 6, and the other end extends into the second sleeve 8; a first bolt 10 is inserted into the first through hole 12 and the second through hole 13 for fixing the first sleeve 7 and the second sleeve 8; one end of the second sleeve 8, which is far away from the first sleeve 7, extends into the third sleeve 9; the second bolt 11 is inserted into the second through hole 13 and the third through hole 14 and is used for fixing the second sleeve 8 and the third sleeve 9; one end of the third sleeve 9, which is far away from the second sleeve 8, is connected with the second cushion block 2 through a transverse steel bar 6; the pitches of the first through holes 12 and the second through holes 13 are not consistent; the distance between the first cushion block 1 and the second cushion block 2 is controlled by the extension, contraction and fixation of the first sleeve 7 and the second sleeve 8.
The utility model provides a pair of a fixed combination cushion device for controlling concrete protective layer thickness has following beneficial effect:
1. connect first cushion 1 and second cushion 2 through automatic regulating apparatus 3, can guarantee that template 4 and reinforcing bar interval are neat, structural surface unevenness, phenomenon such as exposed bar can not appear after the form removal, make the reinforcing bar be in the best stress position of design, prolong the life of reinforcing bar simultaneously, prevent too early corrosion.
2. Paste through first cushion 1 or second cushion 2 and have reflection of light subsides 16 for can be quick during the inspection find the position that the cushion was located, and first cushion 1 or 2 skin of second cushion are brushed with fire prevention paint 15, can protect the reinforcing bar that is heated relatively easily and softens.
3. Because the cushion blocks with equal structural strength are adopted, the structure is not greatly influenced, and compared with a steel bar cushion block and a plastic cushion block, the cushion block has stable quality, is not easy to damage, has low manufacturing cost and is easy to obtain materials; and the cushion block has a certain volume, so that a certain amount of concrete can be saved when the using amount is enough.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A fixed combined cushion block device for controlling the thickness of a concrete protective layer comprises a first cushion block (1) and a second cushion block (2), and is characterized by further comprising an automatic adjusting device (3), wherein two ends of the automatic adjusting device (3) are respectively connected with the first cushion block (1) and the second cushion block (2) through transverse steel bars (6) and used for adjusting the distance between the first cushion block (1) and the second cushion block (2); one end of the first cushion block (1) or one end of the second cushion block (2) far away from the automatic adjusting device (3) are respectively arranged on the two templates (4).
2. A fixed combination spacer device for controlling the thickness of a concrete covering according to claim 1, characterized in that the automatic adjustment means (3) comprise a threaded sleeve (5), wherein threads are provided inside the threaded sleeve (5), and wherein the end of the transverse reinforcement (6) remote from the first spacer (1) or the second spacer (2) is provided with threads adapted to the threaded sleeve, and wherein the threaded sleeve (5) is connected to the first spacer (1) or the second spacer (2) by means of the threaded transverse reinforcement (6), respectively.
3. A fixed modular block assembly for controlling the thickness of a concrete covering according to claim 2, characterized in that the threads of the two ends of the threaded sleeve (5) are of opposite hand.
4. The fixed combined cushion block device for controlling the thickness of the concrete protective layer according to claim 1, further comprising an automatic adjusting device (3) which comprises a first sleeve (7), a second sleeve (8), a third sleeve (9), a first bolt (10) and a second bolt (11), wherein the first sleeve (7) is provided with a plurality of first through holes (12), the second sleeve (8) is provided with a plurality of second through holes (13), the third sleeve (9) is provided with a third through hole (14), one end of the first sleeve (7) is connected with the first cushion block (1) through the transverse steel bar (6), and the other end of the first sleeve extends into the second sleeve (8); the first bolt (10) is inserted into the first through hole (12) and the second through hole (13) and is used for fixing the first sleeve (7) and the second sleeve (8); one end of the second sleeve (8) far away from the first sleeve (7) extends into the third sleeve (9); the second bolt (11) is inserted into the second through hole (13) and the third through hole (14) and is used for fixing the second sleeve (8) and the third sleeve (9); one end, far away from the second sleeve (8), of the third sleeve (9) is connected with the second cushion block (2) through the transverse steel bar (6).
5. A fixed modular block assembly for controlling the thickness of a concrete covering according to claim 1, characterized in that the first block (1) or the second block (2) is coated with a fire retardant paint (15).
6. A fixed modular block assembly for controlling the thickness of a concrete covering according to claim 1, wherein the first (1) or second (2) block is affixed with a reflective sticker (16) at the end remote from the formwork (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121005630.XU CN214615042U (en) | 2021-05-12 | 2021-05-12 | Fixed combined cushion block device for controlling thickness of concrete protective layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121005630.XU CN214615042U (en) | 2021-05-12 | 2021-05-12 | Fixed combined cushion block device for controlling thickness of concrete protective layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214615042U true CN214615042U (en) | 2021-11-05 |
Family
ID=78407487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121005630.XU Active CN214615042U (en) | 2021-05-12 | 2021-05-12 | Fixed combined cushion block device for controlling thickness of concrete protective layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214615042U (en) |
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2021
- 2021-05-12 CN CN202121005630.XU patent/CN214615042U/en active Active
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