CN211220450U - Adjustable hook-shaped wrench - Google Patents
Adjustable hook-shaped wrench Download PDFInfo
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- CN211220450U CN211220450U CN201921156332.3U CN201921156332U CN211220450U CN 211220450 U CN211220450 U CN 211220450U CN 201921156332 U CN201921156332 U CN 201921156332U CN 211220450 U CN211220450 U CN 211220450U
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Abstract
The utility model provides an adjustable hook-shaped spanner, which comprises a spanner body, a hook head, a pin shaft, a mandril and an adjusting knob, wherein the spanner body comprises a handle part and a crescent part used for clamping parts, the free end of the crescent part is provided with the hook head with an adjustable angle relative to the handle part, the handle part is provided with a square hole and a round hole which can not rotate along the axial direction from the crescent part along the axial direction, the round hole is provided with a mounting groove matched with the adjusting knob near the square hole end, the mandril comprises a square part and a round part, one section of the end head of the square part is provided with the mandril head, the round part is provided with an external thread, the mandril penetrates the square hole in a clearance fit manner, the external thread of the round part is screwed into the internal thread hole of the adjusting knob to enter the round hole, the square hole, the internal thread hole of the adjusting knob and the round hole are coaxial, the adjusting knob adjusts the mand, the universality of the tool and the production, assembly and maintenance efficiency are greatly improved.
Description
Technical Field
The invention belongs to the field of mechanical design, and relates to a size-adjustable hook-shaped wrench.
Background
Parts such as a grooved nut and a nut are used as main connecting components of a product, and play important roles in fixing, connecting and the like in product design. The assembly is usually completed by a hook-shaped wrench, the existing hook-shaped wrench generally adopts the structural form specified in HB3043-1989 hook-shaped wrench, the size of the slotted nut which can be applied to the hook-shaped wrench is mainly determined by the outer diameter r of the nut, and the hook-shaped wrench can only be applied to the slotted nut with the value of the outer diameter r of the nut, nuts with different outer diameters need to use the wrenches with different specifications and the same specification, and the maximum applicable nut outer diameter range of HB3043-1989 hook-shaped wrench on the market is only 10mm, and is usually in the range of 2 mm-5 mm. And the external diameter of the nut suitable for the spanner with the structure is not continuous, and the nut with a certain external diameter can not be used by a suitable spanner.
In summary, the prior art hook-type wrenches for adapting nuts and nuts have the following disadvantages:
nuts and nuts with different outer diameters are required to be provided with different specifications, and the hook-shaped spanner is replaced for many times during working, so that the working efficiency is reduced, and the cost is increased; the adjustment range of the hook-shaped wrench is limited, and only nuts and nuts within 10mm can be adjusted; adjusting the nut with the groove; the outer diameters of the nut and the nut are not continuous, and part of the nut cannot be adjusted.
Disclosure of Invention
The technical purpose is as follows: the utility model provides a hook-type spanner with adjustable, this hook-type spanner size can be adjusted according to the external diameter of nut, all can use the nut, the nut of different external diameters, reduces hook-type spanner's specification, has improved the instrument commonality.
The technical scheme is as follows: the utility model provides a hook-type spanner with adjustable, includes spanner body, gib head, round pin axle, ejector pin and adjust knob, the spanner body includes handle portion and the crescent portion that is used for the chucking part, and crescent portion free end is provided with angle regulation's gib head with handle portion relative position handle portion is opened along the axial in proper order from crescent portion has along the axial can not pivoted quad slit and round hole, is close to the quad slit end at the round hole and opens and have and adjust knob looks adaptation quad slit, the ejector pin includes square portion and circular portion, and one section end of square portion has the ejector pin head, and circular portion system has the external screw thread, ejector pin clearance fit penetrates the quad slit, makes the external screw thread precession adjust knob's internal thread hole entering round hole, and quad slit, adjust knob's internal thread hole and round hole are coaxial, and adjust knob adjust ejector pin stretches out required distance L from handle portion.
In the above scheme, hook head one end is opened has the mounting groove, and the mounting groove is opened and is corresponded first hole and second hole from top to bottom, and the other end is provided with the rib that is used for pressing from both sides tight part with the ejector pin opposite direction.
In the above scheme, the mounting groove size is slightly smaller than the crescent width of the crescent part.
In the scheme, the outer side of the end head of the crescent part is provided with a through hole along the width direction, and the through hole is coaxial with the first hole and the second hole.
In the above scheme, the pin shaft is sequentially inserted into the first hole, the through hole and the second hole, is in interference connection with the crescent part and is in clearance connection with the hook head mounting groove.
In the above scheme, the square hole and the round hole are coaxial through holes or blind holes.
In the above scheme, the square hole and the round hole are separated by the square through groove along the width direction.
In the above scheme, the ejector pin is provided with the ejector pin head near crescent moon portion, and the external diameter of this ejector pin head is greater than the quad slit external diameter.
In the scheme, the shape of the part of the ejector rod head, which is contacted with the part needing to be clamped, is matched with the shape of the crescent part.
In the scheme, the angle between the rib and the ejector rod along the horizontal direction is 135-160 degrees.
Has the advantages that: the utility model provides a hook-type spanner with adjustable size through the motion position of adjusting the ejector pin, realizes trough of belt nut and nut connection structure's installation and fixed. The invention effectively reduces the specification of the hook-shaped wrench and the preparation time for production and assembly, and greatly improves the universality of the tool and the production, assembly and maintenance efficiency.
Drawings
FIG. 1 is a schematic view of a prior art hook-type wrench of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a schematic structural view of the wrench body 1 of the present invention;
fig. 4 is a schematic structural view of the hook head 2 of the present invention;
fig. 5 is a schematic view of the usage state of the present invention.
The novel multifunctional hook comprises a body 1, a circular through hole 1a, a square through hole 1b, a square through hole 1c, a circular hole 1d, a hook head 2, a rib 2a, a mounting groove 2b, a first hole 2c, a second hole 2d, a rivet 3, a push rod 4, an adjusting knob 5, a handle 6 and a crescent 7.
Detailed Description
The present invention will be described in further detail below by way of specific embodiments:
the invention relates to a size-adjustable hook-shaped wrench which is used as a using and maintaining tool and is mainly applied to installation, fixation and disassembly of a slotted nut and nut connecting structure. The wrench comprises a wrench body 1, a hook head 2, a pin shaft 3, a push rod 4 and an adjusting knob 5, wherein the wrench body 1 comprises a handle part 6 and a crescent part 7 used for clamping parts, the free end of the crescent part 7 is provided with the hook head 2 with an adjustable angle relative to the handle part 6, the handle part 6 is provided with a square hole 1b and a round hole 1d which cannot rotate along the axial direction from the crescent part 7 in sequence along the axial direction, the round hole 1d is provided with a square through hole 1c which is matched with the adjusting knob 5 and close to the square hole 1b, the push rod 4 comprises a square part and a round part, one end of the square part is provided with a push rod head, the round part is provided with an external thread, the push rod 4 penetrates through the square hole 1b in a clearance fit manner, the external thread of the round part is screwed into the internal thread hole of the adjusting knob 5 to enter the round hole 1d, the square hole 1, the adjusting knob 5 adjusts the push rod 4 to extend out of the end of the handle part 7 by a required distance L.
the outer side of the end head of the crescent part 7 is provided with a through hole 1a along the width direction, and the through hole 1a is coaxial with the first hole 2c and the second hole 2d on the mounting groove 2 b.
The pin shaft 3 is sequentially inserted into the first hole 2c, the through hole 1a and the second hole 2d, is in interference connection with the crescent end part 7 and is in clearance connection with the hook head 2 installation groove 2 b. The hook head 2 can also be fixed at the end of the crescent by a rivet.
The square hole 1b and the round hole 1d are coaxial through holes or blind holes. The square hole 1b and the circular hole 1d are separated in the middle by a square through hole 1c in the width direction.
The ejector rod 4 is provided with an ejector rod head close to the crescent part 7, and the outer diameter of the ejector rod head is larger than that of the square hole 1 b. The shape of the part of the ejector rod head contacted with the part needing to be clamped is matched with the shape of the crescent part 7.
The angle between the rib 2a and the jack 4 in the horizontal direction is preferably 135 to 160 degrees.
In the present embodiment, in the production assembly and maintenance of the nut and nut connecting structure product with a grooved nut, the rib of the hook head 2 is fitted into the groove of the grooved nut. Through rotatory adjust knob 5, adjust knob 5's rotation turns into the motion of ejector pin 4 along handle hole axis direction through its inside screw for the ejector pin moves to suitable position, contacts with grooved nut external diameter, thereby has realized the quick adjustment of not unidimensional, and wherein length dimension L possesses the control range of broad. The installation, fixation and disassembly of the nut with the slot nut are completed by rotating the body 1.
Claims (10)
1. The utility model provides a hook-type spanner with adjustable, includes spanner body (1), gib head (2), round pin axle (3), ejector pin (4) and adjust knob (5), spanner body (1) includes handle portion (6) and crescent part (7) that are used for the chucking part, crescent part (7) free end and handle portion (6) relative position are provided with angle regulation's gib head (2), its characterized in that: handle portion (6) are followed crescent portion (7) and are opened in proper order along the axial and have square hole (1b) and round hole (1d) that can not rotate along the axial, and it has square hole (1c) with adjust knob (5) looks adaptation square hole to hold to open to be close to square hole (1b) in round hole (1d), ejector pin (4) are including square portion and circular portion, and one section end of square portion has the ejector pin head, and circular portion system has the external screw thread, ejector pin (4) clearance fit penetrates square hole (1b), makes the internal thread hole that the external screw thread of circular portion screwed into adjust knob (5) get into round hole (1d), and square hole (1b), the internal thread hole and round hole (1d) of adjust knob (5) are coaxial, and adjust knob (5) adjust ejector pin (4) and stretch out required distance L from handle portion (6) end.
2. An adjustable hook wrench as claimed in claim 1, wherein the hook head (2) has an attachment slot (2b) at one end, the attachment slot (2b) having a first hole (2c) and a second hole (2d) corresponding up and down to each other, and a rib (2a) at the other end opposite to the stem (4) for clamping the parts.
3. An adjustable hook wrench according to claim 2, in which the mounting slot (2b) is dimensioned to be smaller than the width of the crescent (7).
4. An adjustable hook wrench according to claim 2, wherein the outside of the end of the crescent (7) is formed with a through hole (1a) in the width direction, the through hole (1a) being coaxial with the first hole (2c) and the second hole (2 d).
5. An adjustable hook wrench as claimed in claim 4, wherein the pin (3) is inserted sequentially through the first hole (2c), the through hole (1a) and the second hole (2d), and is interference-connected with the crescent portion (7) and clearance-connected with the mounting groove (2b) of the hook head (2).
6. Adjustable hook wrench according to claim 1, characterised in that the square (1b) and round (1d) holes are coaxial through or blind holes.
7. An adjustable hook wrench according to claim 1 or 5, characterised in that the square hole (1b) and the round hole (1d) are separated in the middle by a square through hole (1c) in the width direction.
8. The adjustable hook wrench as claimed in claim 1, wherein the pin (4) is provided with a pin head near the crescent (7), the pin head having an outer diameter larger than that of the square hole (1 b).
9. An adjustable hook wrench as claimed in claim 1, characterised in that the part of the head which contacts the part to be fastened is shaped to match the shape of the crescent (7).
10. An adjustable hook wrench as claimed in claim 1, wherein the angle between the rib (2a) and the ram (4) in the horizontal direction is 135-160 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921156332.3U CN211220450U (en) | 2019-07-22 | 2019-07-22 | Adjustable hook-shaped wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921156332.3U CN211220450U (en) | 2019-07-22 | 2019-07-22 | Adjustable hook-shaped wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211220450U true CN211220450U (en) | 2020-08-11 |
Family
ID=71941733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921156332.3U Active CN211220450U (en) | 2019-07-22 | 2019-07-22 | Adjustable hook-shaped wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211220450U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114571409A (en) * | 2022-04-15 | 2022-06-03 | 重庆建设工业(集团)有限责任公司 | Magazine bottom cover dismounting tool and method |
-
2019
- 2019-07-22 CN CN201921156332.3U patent/CN211220450U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114571409A (en) * | 2022-04-15 | 2022-06-03 | 重庆建设工业(集团)有限责任公司 | Magazine bottom cover dismounting tool and method |
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