CN214465440U - Quick-release bolt for fixing template - Google Patents
Quick-release bolt for fixing template Download PDFInfo
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- CN214465440U CN214465440U CN202120278684.7U CN202120278684U CN214465440U CN 214465440 U CN214465440 U CN 214465440U CN 202120278684 U CN202120278684 U CN 202120278684U CN 214465440 U CN214465440 U CN 214465440U
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Abstract
A quick-release bolt for fixing a template relates to the field of building construction, and comprises a locking screw rod, a fixing sleeve and a fixing nut; the fixing sleeve is sleeved outside the locking screw rod through threaded connection, and the fixing nut is sleeved at the lower end of the fixing sleeve through threaded connection. The locking screw is an integrated variable-section solid component and comprises a locking end head, a straight rod and a locking knob. The locking end is welded at the top end of the straight rod, and the locking knob is welded at the bottom end of the straight rod. The locking end is of an integrated combined structure and comprises an upper cylindrical section and a lower circular table section; the included angle between the side surface of the lower circular table section and the upper end surface is 45 degrees; the bottom surface of the upper cylindrical section and the upper end surface of the lower circular platform section are aligned and the axes of the upper cylindrical section and the upper end surface of the lower circular platform section are coincident. The straight rod is a solid rod piece, and the bottom end of the straight rod is threaded with straight rod external threads. The utility model discloses simplify the bolt installation and dismantle the flow, solve ordinary split bolt in narrow and small space and face the problem of empty regional installation and dismantlement difficulty.
Description
Technical Field
The utility model relates to a construction field specifically is a quick detach formula bolt for template is fixed.
Background
At present, whether concrete walls, columns and beams of a main body structure or ring beams and constructional columns of a masonry structure, vertical formworks (including but not limited to wood formworks) are mostly fixed by using tie bolts. The split bolt has the advantages of simple structure and reliable stress, but has a plurality of problems in the using process due to the structural characteristics of the split bolt. When the split bolts are installed and disassembled, workers need to respectively tighten and loosen nuts from two sides of the template, the process is relatively complex, and the requirement on the tacit degree of mutual matching of the workers is high. And (II) when the split bolts are installed and disassembled, the two sides of the template need larger operation space. For a narrow space or an area with one side being empty, the difficulty and the danger of installing and disassembling the nut are high. And thirdly, the nut and the screw rod are separated from each other, so that the nut is easy to lose, and great resource waste is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a quick detach formula bolt for template is fixed simplifies the bolt installation and dismantles the flow, solves ordinary split bolt in narrow and small space and faces the problem of empty regional installation and dismantlement difficulty.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a quick-release bolt for fixing a template comprises a locking screw, a fixing sleeve and a fixing nut; the fixing sleeve is sleeved outside the locking screw rod through threaded connection, and the fixing nut is sleeved at the lower end of the fixing sleeve through threaded connection.
The locking screw is an integrated variable-section solid component and comprises a locking end head, a straight rod and a locking knob.
The locking end is welded at the top end of the straight rod, and the locking knob is welded at the bottom end of the straight rod.
The locking end is of an integrated combined structure and comprises an upper cylindrical section and a lower circular table section; the diameter of the upper end surface of the lower circular platform section is the same as that of the bottom surface of the upper cylindrical section; the lower end surface of the lower circular platform section has the same diameter as the straight rod; the included angle between the side surface of the lower circular table section and the upper end surface is 45 degrees; the bottom surface of the upper cylindrical section and the upper end surface of the lower circular platform section are aligned and the axes of the upper cylindrical section and the upper end surface of the lower circular platform section are coincident.
The straight rod is a solid rod piece, and the bottom end of the straight rod is threaded with straight rod external threads.
The locking knob is a solid cylinder, and the side surface of the locking knob is provided with anti-skid stripes.
Further preferred technical solution: the fixed sleeve comprises a steel sleeve, a movable end, a bolt and a restoring spring.
Further preferred technical solution: the steel sleeve is a cylindrical component, and a slope surface of 45 degrees is cut at the top end of the inner wall of the steel sleeve in the circumferential direction; two vertically arranged rectangular notches are symmetrically cut at the top end of the steel sleeve; two side surfaces of the rectangular notch are respectively provided with a first round bolt hole, and a bolt is connected in the first bolt hole in a penetrating manner; the axis of the bolt hole is perpendicular to two side surfaces of the rectangular notch.
Further preferred technical solution: the bottom end of the inner wall of the steel sleeve is threaded with a sleeve internal thread, and the sleeve internal thread is meshed with the straight rod external thread of the locking screw rod.
Further preferred technical solution: the thread is turned at the bottom of the outer wall of the steel sleeve to form a sleeve external thread, and the sleeve external thread is meshed with the thread of the fixing nut.
Further preferred technical solution: the movable end head is a plate-shaped component; the width of the movable end along the diameter direction of the cross section of the steel sleeve is smaller than the wall thickness of the steel sleeve, and the thickness along the width direction of the rectangular notch is smaller than the width of the rectangular notch.
Further preferred technical solution: the upper end and the lower end of the movable end are respectively provided with a 45-degree chamfer at one side facing the inner wall of the steel sleeve; the lower part of the movable end head is provided with a second round bolt hole along the width direction of the rectangular notch, and the diameter of the second bolt hole is the same as that of the first bolt hole on the steel sleeve.
Further preferred technical solution: the bolt is a steel cylindrical component, two ends of the bolt are riveted in a first bolt hole of the steel sleeve, and the movable end is rotatably connected to the rectangular notch of the steel sleeve through the bolt; the diameter of the pin is smaller than the diameter of the first pin hole and the second pin hole.
Further preferred technical solution: the main body of the restoring spring is fixed on the plug pin, and the two straight sections are respectively fixed at the lower end of the movable end head and the bottom surface of the rectangular notch; the restoring spring is a torsion type coil spring.
Compared with the prior art, the utility model has the following characteristics and beneficial effect: the quick-release bolt for fixing the template has simple operation steps, can be installed and disassembled only by workers on one side of the template, has lower requirement on the tacit degree of mutual matching of the workers, and improves the construction efficiency of the workers; (II) the utility model is used for the operating space of the fixed quick detach formula bolt of template is less, is fit for in narrow and small space and faces empty regional use, improves workman's safety guarantee: (III) the utility model is used for the cyclic utilization nature of the fixed quick detach formula bolt of template is strong, and all construct the accessory and need not to tear apart in the work progress, have avoided losing of tiny component, have increased the turnover number of times of bolt, have reduced the waste of resource.
Drawings
Fig. 1 is a three-dimensional section view of the quick-release bolt for fixing the template of the present invention.
Fig. 2 is a structural section view (forward direction) of the quick release bolt for fixing the template of the present invention.
Fig. 3 is a structural section view (side direction) of the quick release bolt for fixing the template of the present invention.
Fig. 4 is a structural elevation (forward direction) of the quick release bolt for fixing the template of the present invention.
Fig. 5 is a structural elevation (lateral) view of the quick release bolt for template fixation of the present invention.
Fig. 6 is a schematic view (forward, bolt inserted along the hole) of the form-changing section of the quick-release bolt for fixing the template according to the present invention.
Fig. 7 is a schematic diagram of a form-changing section of the quick-release bolt for fixing a template according to the present invention (forward, locking active end state).
Fig. 8 is a schematic diagram (forward, fastening state of the fixing nut) of the form conversion section of the quick-release bolt for fixing the template of the present invention.
Fig. 9 is a schematic view of the form conversion section of the quick release bolt for fixing the template of the present invention (forward, bolt state is extracted along the hole).
Fig. 10 is a schematic view of a form-changing vertical plane of the quick-release bolt for fixing a template according to the present invention (forward, bolt inserted along the hole).
Fig. 11 is a schematic view of a form-changing vertical surface of the quick-release bolt for fixing a template according to the present invention (forward, locking movable end state).
Fig. 12 is a schematic view showing a form-changing vertical plane of the quick-release bolt for fixing a template according to the present invention (forward, fastening the fixing nut).
Fig. 13 is a schematic view of the form-changing vertical surface of the quick-release bolt for fixing the template of the present invention (forward, bolt state is extracted along the hole).
Reference numerals: 1-locking end, 2-straight rod, 3-straight rod external thread, 4-locking knob, 5-movable end, 6-bolt, 7-restoring spring, 8-steel sleeve, 9-sleeve internal thread, 10-sleeve external thread, 11-fixing nut and 12-rectangular notch.
Detailed Description
Referring to fig. 1 to 5, the quick release bolt for fixing a formwork includes a locking screw, a fixing sleeve, and a fixing nut 11, wherein the fixing sleeve is sleeved outside the locking screw through a threaded connection, and the fixing nut is sleeved at the lower end of the fixing sleeve through a threaded connection.
The locking screw is an integrated variable-section steel solid component and comprises a locking end 1, a straight rod 2 and a locking knob 4; the locking end 1 is welded at the top end of the straight rod 2, and the locking knob 4 is welded at the bottom end of the straight rod 2.
The locking end head 1 is of an integrated combined structure and comprises an upper cylindrical section and a lower circular table section; the diameter of the upper cylindrical section is the same as the outer diameter of the steel sleeve; the diameter of the upper end surface of the lower circular truncated cone section is the same as that of the bottom surface of the upper cylindrical section; the lower end surface of the lower round platform section has the same diameter as the straight rod 2; the included angle between the side surface of the lower circular truncated cone section and the upper end surface is 45 degrees; the bottom surfaces of the upper cylindrical section and the lower circular table section are aligned and the axes are superposed; the lower circular truncated cone section is used for providing torque for unfolding and maintaining the unfolded state of the movable end 5; the upper cylindrical section is used for preventing the locking end from deforming due to stress or collision.
The straight rod 2 is a solid rod piece made of steel with a circular section; the bottom end of the straight rod 2 is provided with a straight rod external thread 3 which is mutually occluded with a steel sleeve internal thread 9, so that the reliable connection between the locking screw and the fixed sleeve is established; the straight rod 2 is used for bearing the pulling force generated by locking the movable end 5.
The locking knob 4 is a solid cylinder, and the side surface of the locking knob is provided with anti-skid stripes; by rotating the locking knob 4, the locking screw rod can be driven to rotate up and down along the thread so as to adjust the length of the locking end head 1 extending out of the top end of the steel sleeve 8, and further control the expansion and the closing of the movable end head 5.
The component for fixing the sleeve comprises a steel sleeve 8, a movable end 5, a bolt 6 and a restoring spring 7; wherein, the movable end 5 is rotatably connected in a rectangular notch 12 of a steel sleeve 8 by a bolt 6 and a restoring spring 7.
The steel sleeve 8 is a steel cylindrical component, has the same outer diameter as the bottom surface of the locking end 1, and is used for bearing the tensile force generated by fixing the templates at two sides; a slope surface of 45 degrees is cut at the top end of the inner wall of the steel sleeve 8 in the circumferential direction; two vertically arranged rectangular notches 12 are symmetrically cut at the top end of the steel sleeve 8; two side surfaces of the rectangular notch 12 are respectively provided with a first round bolt hole for fixing the bolt 6; the axis of the first bolt hole is vertical to two side surfaces of the rectangular notch 12; a sleeve internal thread 9 is processed at the bottom end of the inner wall of the steel sleeve 8, and the sleeve internal thread 9 is meshed with the straight rod external thread 3 of the locking screw; and a sleeve external thread 10 is processed at the bottom of the outer wall of the steel sleeve 8, and the sleeve external thread 10 is meshed with a thread connected with a fixing nut 11.
The movable end 5 is a steel plate-shaped member, and can be used for fixing the position of the template in the unfolding state; when the movable end 5 is in a closed state, the width of the movable end along the diameter direction of the cross section of the steel sleeve 8 is smaller than the wall thickness of the steel sleeve 8, and the thickness of the movable end along the width direction of the rectangular notch 12 is smaller than the width of the rectangular notch 12; the upper end and the lower end of the movable end 5 are respectively provided with a 45-degree chamfer at one side facing the inner wall of the steel sleeve 8; a second round bolt hole is processed at the lower part of the movable end 5 along the width direction of the rectangular notch 12, and the diameter of the second bolt hole is the same as that of the first bolt hole of the steel sleeve 8.
The bolt 6 is a steel cylindrical component, and two ends of the bolt are riveted in a first bolt hole of the steel sleeve 8 and used for rotatably connecting the movable end 5 to a rectangular notch 12 of the steel sleeve 8; the diameter of the bolt 6 is slightly smaller than the diameters of bolt holes of the steel sleeve 8 and the movable end 5; the position of the bolt 6 (as well as the first bolt hole of the steel sleeve 8 and the second bolt hole of the movable end 5) along the diameter direction of the cross section of the steel sleeve 8 should ensure that the movable end 5 does not protrude out of the inner wall and the outer wall of the steel sleeve 8 in a closed state, so as to avoid influencing the movement of a locking screw rod in the steel sleeve 8 and preventing the steel sleeve 8 from passing through a template bolt hole; the position of the bolt 6 (and the first bolt hole of the steel sleeve 8 and the second bolt hole of the movable end 5) along the axis direction of the steel sleeve 8 should ensure that the chamfer at the lower end of the movable end, the slope at the top end of the inner wall of the steel sleeve 8 and the side surface of the locking end are tightly attached to each other when the movable end is in an unfolded state, so that the relative motion of the movable end 5 and the steel sleeve 8 is locked.
The main body of the restoring spring 7 is fixed on the bolt 6, and the two straight sections are respectively fixed at the lower end of the movable end 5 and the bottom surface of the rectangular notch 12; the restoring spring 7 is a torsion type coil spring for providing a torque for closing the movable tip 5 and maintaining the closed state.
The fixing nut 11 is a common hexagon nut or a butterfly nut and is sleeved on the straight-bar external thread 3 of the steel sleeve 8 by threaded connection; the distance and the clamping degree of the formworks on the two sides can be controlled by adjusting the relative positions of the fixing nut 11 and the steel sleeve 8.
The quick-release bolt for fixing the template can be made of various materials such as common steel, galvanized steel, stainless steel and the like; the size of the component part needs to be determined after being subjected to force analysis in consideration of the actual field requirement.
The utility model is used for fixed quick detach formula bolt of template, the expansion and the closure of activity end 5 on the stroke control fixed sleeve through rotating locking knob 4 regulation locking screw to realize the locking and the unblock of bolt, finally reach the purpose of unilateral quick detach bolt.
The use method of the quick-release bolt for fixing the formworks of the utility model (comprising the installation and removal processes) is described by taking the installation and removal processes of formworks on two sides of the constructional column as an example:
referring to fig. 6 and 10, step one: after the movable end 5 is adjusted to be in a completely closed state by rotating the locking knob 4, the quick-release bolt is inserted into the bolt hole of the template.
Referring to fig. 7 and 11, step two: the length of the locking end head 1 extending out of the upper end of the steel sleeve 8 is shortened by rotating the locking knob 4, and the movable end head 5 is pushed to rotate until the movable end head 5 is completely unfolded and locked.
Referring to fig. 8 and 12, step three: the distance between the formworks on the two sides is controlled by rotating the fixing nut 11 until the formworks are sufficiently clamped.
Referring to fig. 9 and 13, step four: the locking knob 4 is rotated reversely to extend the length of the locking end head 1 extending out of the upper end of the steel sleeve 8 until the movable end head 5 is completely closed under the driving of the recovery spring 7, and then the quick-release bolt is pulled out along the hole.
Compared with the commonly used split bolt in the prior art, the quick-release bolt for fixing the template has the advantage of simple and convenient assembly and disassembly; because the quick detach formula bolt only needs to screw up the nut in template one side to only need the bolt of dismantling in template one side, simplified bolt installation and dismantlement process, be favorable to improving workman work efficiency.
Compared with the commonly used split bolt in the prior art, the quick-release bolt for fixing the template has the advantage of safe operation; because the quick-release bolt only needs to dismantle the bolt on one side of the template, the required operating space is smaller, and the quick-release bolt is particularly suitable for the template fixing operation in narrow space and adjacent areas.
Compared with the commonly used split bolt in the prior art, the quick-release bolt for fixing the template has the advantage of more convenient cyclic utilization; all components of the template fixing bolt do not need to be disassembled in the using process, so that the components are prevented from being lost, and the turnover frequency of the bolt is improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein; any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a quick detach formula bolt for template is fixed which characterized in that: comprises a locking screw, a fixed sleeve and a fixed nut (11); the fixed sleeve is sleeved outside the locking screw rod through threaded connection, and the fixed nut (11) is sleeved at the lower end of the fixed sleeve through threaded connection;
the locking screw is an integrated variable-section solid component and comprises a locking end (1), a straight rod (2) and a locking knob (4);
the locking end (1) is welded at the top end of the straight rod (2), and the locking knob (4) is welded at the bottom end of the straight rod (2);
the locking end head (1) is of an integrated combined structure and comprises an upper cylindrical section and a lower circular table section; the diameter of the upper end surface of the lower circular platform section is the same as that of the bottom surface of the upper cylindrical section; the lower end surface of the lower circular platform section has the same diameter as the straight rod (2); the included angle between the side surface of the lower circular table section and the upper end surface is 45 degrees; the bottom surface of the upper cylindrical section and the upper end surface of the lower circular platform section are aligned and the axes are superposed;
the straight rod (2) is a solid rod piece, and the bottom end of the straight rod is threaded with straight rod external threads (3);
the locking knob (4) is a solid cylinder, and the side surface of the locking knob is provided with anti-skid stripes;
the fixed sleeve comprises a steel sleeve (8), a movable end (5), a bolt (6) and a restoring spring (7).
2. The quick release bolt for template fixation according to claim 1, characterized in that: the steel sleeve (8) is a cylindrical component, and a slope surface of 45 degrees is cut at the top end of the inner wall of the steel sleeve (8) in the circumferential direction.
3. The quick release bolt for template fixation according to claim 2, characterized in that: two vertically arranged rectangular notches (12) are symmetrically cut at the top end of the steel sleeve (8); two side surfaces of the rectangular notch (12) are respectively provided with a first round bolt hole, and the bolt (6) is connected in the first bolt hole in a penetrating way; the axis of the bolt hole is perpendicular to two sides of the rectangular notch (12).
4. The quick release bolt for template fixation according to claim 2, characterized in that: the bottom end of the inner wall of the steel sleeve (8) is threaded with a sleeve internal thread (9), and the sleeve internal thread (9) is meshed with the straight rod external thread (3) of the locking screw rod.
5. The quick release bolt for template fixation according to claim 2, characterized in that: the bottom of the outer wall of the steel sleeve (8) is threaded with a sleeve external thread (10), and the sleeve external thread (10) is meshed with the thread of the fixing nut (11).
6. The quick release bolt for template fixation according to claim 3, characterized in that: the movable end (5) is a plate-shaped member; the width of the movable end (5) along the diameter direction of the cross section of the steel sleeve (8) is smaller than the wall thickness of the steel sleeve (8), and the thickness along the width direction of the rectangular notch (12) is smaller than the width of the rectangular notch (12).
7. The quick release bolt for template fixation according to claim 3, characterized in that: the upper end and the lower end of the movable end (5) are respectively provided with a 45-degree chamfer at one side facing the inner wall of the steel sleeve (8); the lower part of the movable end head (5) is provided with a second round bolt hole along the width direction of the rectangular notch (12), and the diameter of the second bolt hole is the same as that of the first bolt hole on the steel sleeve (8).
8. The quick release bolt for template fixation according to claim 7, wherein: the bolt (6) is a steel cylindrical component, two ends of the bolt are riveted in a first bolt hole of the steel sleeve (8), and the movable end (5) is rotatably connected to a rectangular notch (12) of the steel sleeve (8) through the bolt (6); the diameter of the bolt (6) is smaller than the diameter of the first bolt hole and the second bolt hole.
9. The quick release bolt for template fixation according to any one of claims 3 to 8, wherein: the main body of the restoring spring (7) is fixed on the bolt (6), and the two straight sections are respectively fixed at the lower end of the movable end (5) and the bottom surface of the rectangular notch (12).
10. The quick release bolt for template fixation according to claim 9, characterized in that: the restoring spring (7) is a torsion type spiral spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120278684.7U CN214465440U (en) | 2021-02-01 | 2021-02-01 | Quick-release bolt for fixing template |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120278684.7U CN214465440U (en) | 2021-02-01 | 2021-02-01 | Quick-release bolt for fixing template |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214465440U true CN214465440U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120278684.7U Active CN214465440U (en) | 2021-02-01 | 2021-02-01 | Quick-release bolt for fixing template |
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| CN (1) | CN214465440U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963426A (en) * | 2021-02-01 | 2021-06-15 | 中建三局集团有限公司 | Recyclable quick-release bolt for fixing template and use method thereof |
-
2021
- 2021-02-01 CN CN202120278684.7U patent/CN214465440U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963426A (en) * | 2021-02-01 | 2021-06-15 | 中建三局集团有限公司 | Recyclable quick-release bolt for fixing template and use method thereof |
| CN112963426B (en) * | 2021-02-01 | 2022-06-17 | 中建三局集团有限公司 | Recyclable quick-release bolt for fixing template and use method thereof |
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