CN216399461U - Extensible multifunctional bolt fastening tool - Google Patents
Extensible multifunctional bolt fastening tool Download PDFInfo
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- CN216399461U CN216399461U CN202122057793.9U CN202122057793U CN216399461U CN 216399461 U CN216399461 U CN 216399461U CN 202122057793 U CN202122057793 U CN 202122057793U CN 216399461 U CN216399461 U CN 216399461U
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- wrench
- outer sleeve
- conical section
- inner conical
- section
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Abstract
The utility model provides an extensible multifunctional bolt fastening tool, which comprises a wrench with a wrench head, wherein an outer sleeve is sleeved on the wrench, and the wrench is connected with the outer sleeve in a sliding manner; a fastener is connected between the wrench and the outer sleeve. The utility model can be extended or shortened, and can be used for reinforcing the high part of the template or extending into the expansion joint for reinforcing the template when being extended; the telescopic spanner is fixed through the fastening piece, so that the spanner is prevented from being randomly stretched to influence the fastening work; the wrench is provided with the inner conical section with the split, the fastener is internally provided with the outer conical section matched with the inner conical section, the inner conical section can be pressed against the wrench to fix the wrench, and the outer conical section and the inner conical section can be separated from each other by a certain distance and then loosened, so that the tool can be conveniently slid and stretched.
Description
Technical Field
The utility model relates to the field of fastening, in particular to an extensible multifunctional bolt fastening tool.
Background
In the building construction, concrete pouring work is often carried out after templates are arranged and reinforced. However, the bolt reinforcement work at the high position of the template needs to stand on a working stool for operation, so that the operation is inconvenient and has potential safety hazards, and meanwhile, the template reinforcement at the expansion joint is also a difficult problem in the industry.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problem, the utility model provides an extensible multifunctional bolt fastening tool which is used for solving the problem that the high position or the expansion joint of a template in the prior art is inconvenient to reinforce.
In order to achieve the purpose, the technical scheme of the utility model is realized as follows:
an extensible multifunctional bolt fastening tool comprises a wrench with a wrench head, wherein an outer sleeve is sleeved on the wrench, and the wrench is connected with the outer sleeve in a sliding manner; a fastener is connected between the wrench and the outer sleeve.
Preferably, the fastener is a hollow structure, and the fastener is sleeved outside the wrench and the outer sleeve.
Preferably, one end of the outer sleeve close to the wrench head is provided with an inner conical section which is contracted from outside to inside, the wrench penetrates through the inner conical section, and the inner conical section is circumferentially and uniformly provided with the split holes so that the inner conical section can be opened or closed towards the wrench.
Preferably, an outer conical section matched with the inner conical section is arranged in the fastener, and the outer conical section presses the inner conical section towards the wrench.
Preferably, the fastener is provided with a first barrel section which is a sliding fit with a wrench.
Preferably, the fastener is further provided with a second barrel section cooperating with the outer sleeve.
Preferably, the second cylinder section is provided with a fastening part which is fastened and connected with the outer sleeve.
Preferably, the fastening part is an internal thread arranged in the second cylinder section, and the outer sleeve is provided with an external thread matched with the internal thread.
Preferably, the fastening portion is a first connecting flange arranged at the end of the second cylinder section, and the outer sleeve is provided with a second connecting flange fastened and connected with the first connecting flange.
Preferably, one end of the outer sleeve, which is far away from the wrench head, is provided with a prying head.
The utility model has the beneficial effects that: the utility model can be extended or shortened, and can be used for reinforcing the high part of the template or extending into the expansion joint for reinforcing the template when being extended; the telescopic spanner is fixed through the fastening piece, so that the spanner is prevented from being randomly stretched to influence the fastening work; the wrench is provided with the inner conical section with the split, the fastener is internally provided with the outer conical section matched with the inner conical section, the inner conical section can be pressed against the wrench to fix the wrench, and the outer conical section and the inner conical section can be separated from each other by a certain distance and then loosened, so that the tool can be conveniently slid and stretched.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of example 1 of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a schematic view of the construction of an outer sleeve according to embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of embodiment 5 of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1 to 3, an extensible multifunctional bolt fastening tool according to embodiment 1 of the present invention includes a wrench 2 having a wrench head 1, wherein the wrench 2 is sleeved with a coaxial outer sleeve 3, and the wrench 2 is slidably connected to the outer sleeve 3, so that the fastening tool can be extended or shortened. When the template is stretched, the template can be used for reinforcing the high position of the template or can be stretched into the expansion joint for reinforcing the template; a fastening piece 4 is connected between the wrench 2 and the outer sleeve 3, and the wrench 2 and the outer sleeve 3 which are extended or shortened are fixed to prevent the wrench 2 and the outer sleeve 3 from being stretched randomly to influence the fastening work.
Preferably, the fastening member 4 is a hollow structure, and the fastening member 4 is sleeved on the outer sides of the wrench 2 and the outer sleeve 3 and is connected and fixed with the wrench 2 and the outer sleeve 3. Specifically, one end of the outer sleeve 3 close to the wrench head 1 is provided with an inner conical section 31 which is contracted from outside to inside, the inner conical section 31 and the outer sleeve 3 are coaxially arranged, the wrench 2 axially penetrates through the inner conical section 31, and the inner conical section 31 is circumferentially and uniformly provided with opening slits 311 so that the inner conical section 31 can be opened or closed towards the wrench 2, so that the wrench 2 can be loosened or clamped, and correspondingly, the wrench 2 is provided with a rough surface to increase friction force, so that the inner conical section 31 can better clamp the wrench 2. The fastener 4 is internally provided with an outer conical section 41 matched with the inner conical section 31, the outer conical section 41 can press the inner conical section 31 towards the wrench 2 so as to fix the wrench 2, and the outer conical section 41 can also be separated from the inner conical section 31 by a certain distance so as to loosen the inner conical section 31.
Preferably, the fastening member 4 is provided with a first cylindrical section 42 in sliding fit with the wrench 2, the first cylindrical section 42 is connected to the small end of the outer tapered section 41, a smooth through hole is provided in the first cylindrical section 42, and the wrench 2 axially passes through the through hole of the inner tapered section 31.
Preferably, the fastening element 4 is further provided with a second cylindrical section 43 cooperating with the outer sleeve 3, the second cylindrical section 43 being connected to the large end of the outer conical section 41, the outer sleeve 3 axially passing through the second cylindrical section 43. The second cylinder section 43 is provided with a fastening portion for fastening and connecting with the outer sleeve 3.
Specifically, the fastening portion is an internal thread provided in the second cylinder section 43, and the outer sleeve 3 is provided with an external thread matching the internal thread. The wrench 2 can be fixed by pressing the inner tapered section 31 against the wrench 2 by rotating the fastener 4, or the wrench 2 can be slid and extended by loosening the inner tapered section 31 after the inner tapered section 31 is spaced a little distance apart from the inner tapered section 31.
Embodiment 2 differs from embodiment 1 in that the end of the outer sleeve 3 remote from the wrench head 1 is provided with a pry head 5. The formwork can be removed by placing the pry head 5 in the gap between the concrete and the formwork and then pressing the fastening means.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. An extensible multifunctional bolt fastening tool is characterized by comprising a wrench (2) with a wrench head (1), wherein an outer sleeve (3) is sleeved on the wrench (2), and the wrench (2) is connected with the outer sleeve (3) in a sliding manner; a fastener (4) is connected between the wrench (2) and the outer sleeve (3); the fastener (4) is of a hollow structure, and the fastener (4) is sleeved on the outer sides of the wrench (2) and the outer sleeve (3); one end of the outer sleeve (3) close to the box wrench head (1) is provided with an inner conical section (31) which is contracted from outside to inside, the wrench (2) penetrates through the inner conical section (31), and the inner conical section (31) is circumferentially and uniformly provided with opening slits (311) so that the inner conical section (31) can be opened or closed towards the wrench (2); an outer conical section (41) matched with the inner conical section (31) is arranged in the fastener (4), and the inner conical section (31) is pressed towards the wrench (2) by the outer conical section (41).
2. Extensible multifunctional bolt-tightening tool according to claim 1, characterized in that the fastener (4) is provided with a first barrel section (42) which is a sliding fit with the wrench (2).
3. The extensible multi-function bolt tightening tool according to claim 2, characterized in that the fastener (4) is further provided with a second barrel section (43) that engages with the outer sleeve (3).
4. The extensible multifunctional bolt fastening tool according to claim 3, characterized in that the second cylinder section (43) is provided with a fastening portion to which the outer sleeve (3) is fastened.
5. The extensible multifunctional bolt fastening tool according to claim 4, wherein the fastening portion is an internal thread provided in the second barrel section (43), and the outer sleeve (3) is provided with an external thread engaged with the internal thread.
6. The extendable multi-function bolt fastening tool according to claim 4, wherein the fastening portion is a first connecting flange provided at an end of the second cylinder section (43), and the outer sleeve (3) is provided with a second connecting flange fastened to the first connecting flange.
7. The extendable multi-function bolt tightening tool according to any one of claims 1 to 6, wherein an end of the outer sleeve (3) remote from the wrench head (1) is provided with a pry head (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122057793.9U CN216399461U (en) | 2021-08-30 | 2021-08-30 | Extensible multifunctional bolt fastening tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122057793.9U CN216399461U (en) | 2021-08-30 | 2021-08-30 | Extensible multifunctional bolt fastening tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216399461U true CN216399461U (en) | 2022-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122057793.9U Active CN216399461U (en) | 2021-08-30 | 2021-08-30 | Extensible multifunctional bolt fastening tool |
Country Status (1)
| Country | Link |
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| CN (1) | CN216399461U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114809591A (en) * | 2022-06-14 | 2022-07-29 | 中国建筑第七工程局有限公司 | Reinforcing construction method for aluminum alloy templates of wall bodies on two sides of long and narrow expansion joint |
-
2021
- 2021-08-30 CN CN202122057793.9U patent/CN216399461U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114809591A (en) * | 2022-06-14 | 2022-07-29 | 中国建筑第七工程局有限公司 | Reinforcing construction method for aluminum alloy templates of wall bodies on two sides of long and narrow expansion joint |
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