CN214186939U - Adjustable spanner - Google Patents
Adjustable spanner Download PDFInfo
- Publication number
- CN214186939U CN214186939U CN202022927379.4U CN202022927379U CN214186939U CN 214186939 U CN214186939 U CN 214186939U CN 202022927379 U CN202022927379 U CN 202022927379U CN 214186939 U CN214186939 U CN 214186939U
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- China
- Prior art keywords
- head
- spanner
- slide bar
- ejector pin
- nut
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Abstract
The utility model discloses an adjustable spanner, it includes spanner main part, the inside processing of spanner main part has interior cavity, the middle part processing of interior cavity has the drive thread groove, the slide bar structure is installed through sliding fit in the inside of interior cavity, the structural nut seat structure of being used for with drive thread groove matched with of slide bar of installing, spanner main part's head is fixed with the arc head, the inside processing of arc head has the hexagonal through-hole that is used for with nut matched with. The adjustable wrench can be conveniently used for fastening and detaching bolts and nuts which are suitable for different sizes and specifications, and is convenient to use, convenient to operate, simple in structure and high in adaptability.
Description
Technical Field
The utility model relates to an engineering basis installation field, concretely relates to simple structure can adjust the fastening of trepanning size in order to adapt to not unidimensional bolt, nut etc., dismantlement spanner.
Background
A wrench is a common bolt mounting and dismounting tool. Hand tools for turning bolts, screws, nuts and other threaded fasteners for tightening openings or trepanning of bolts or nuts using the principle of leverage. The wrench is generally provided with an opening or a trepan for holding the bolt or the nut at one end or both ends of the handle portion, and when the wrench is used, the bolt or the nut can be screwed by applying an external force to the handle portion along the rotation direction of the thread. The existing spanner is generally only suitable for nuts of one type, and the spanner of different specifications can work if nuts of different types exist, so that the operation is complex and the carrying is inconvenient. Therefore, the existing wrenches bring many problems to users, and further improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an adjustable spanner, this adjustable spanner can be convenient the fastening and the dismantlement of the bolt of adaptation different dimensions and specification and nut, its convenient to use, the simple operation, simple structure moreover, strong adaptability.
In order to realize the technical characteristics, the purpose of the utility model is realized as follows: the utility model provides an adjustable spanner, it includes wrench body, wrench body's inside processing has interior cavity, the middle part processing of interior cavity has the transmission thread groove, the slide bar structure is installed through sliding fit in the inside of interior cavity, the structural nut seat structure of being used for with transmission thread groove matched with of slide bar of installing, wrench body's head is fixed with the arc head, the inside processing of arc head has and is used for with nut matched with hexagonal through-hole.
The utility model discloses a novel slide bar structure, including the slide bar structure, the one end fixed mounting of center connecting rod has the head ejector pin, the other end fixed mounting of center connecting rod has the afterbody ejector pin, head ejector pin and afterbody ejector pin constitute sliding fit, the overhead through-hole of arc is passed on the top of head ejector pin to it has V type draw-in groove to process on its top, V type draw-in groove cooperatees with the hexagon nut of waiting to dismantle.
The head ejector rod and the tail ejector rod are both rectangular rods, and the inner cavity is of a rectangular through hole structure.
The nut seat structure comprises a rotating sleeve, the rotating sleeve is sleeved on a central connecting rod of the sliding rod structure through rotating fit, an external thread is arranged outside the rotating sleeve, and the external thread and a transmission thread groove form thread transmission fit.
The end cover that is used for sealing to the internal cavity is installed to spanner main part's end, the outside central point of end cover installs the arc handle.
And the central connecting rod is provided with a limiting sleeve for limiting two ends of the rotating sleeve.
The utility model discloses there is following beneficial effect:
1. through adopting the regulation spanner of above-mentioned structure, can be used for the dismantlement of different model hexagon head nuts or hexagon head bolt, in the specific use, can adjust the length of stretching out of slide bar structure through nut seat structure, and then adapt to not unidimensional nut.
2. The sliding rod structure with the structure can extend out, and is further suitable for nuts of different models.
3. The nut seat structure can be used for driving the sliding rod structure to extend out, so that the V-shaped clamping groove is matched with the hexagonal through hole, and the nut to be disassembled is locked.
4. Through foretell end cover can be convenient dismantle it, and then made things convenient for the installation of its inside slide bar structure.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a main sectional view of the present invention.
Fig. 2 is a schematic view of the present invention in a particular use process.
Fig. 3 is a left side view of the present invention.
In the figure: hexagonal through-hole 1, arc head 2, spanner main part 3, interior cavity 4, transmission thread groove 5, rotate cover 6, external screw thread 7, afterbody ejector pin 8, V type draw-in groove 9, head ejector pin 10, central connecting rod 11, stop collar 12, end cover 13, arc handle 14, treat to dismantle nut 15.
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1-3, an adjustable wrench comprises a wrench body 3, an inner cavity 4 is processed inside the wrench body 3, a transmission thread groove 5 is processed in the middle of the inner cavity 4, a sliding rod structure is installed inside the inner cavity 4 through sliding fit, a nut seat structure matched with the transmission thread groove 5 is installed on the sliding rod structure, an arc-shaped head 2 is fixed at the head of the wrench body 3, and a hexagonal through hole 1 matched with a nut is processed inside the arc-shaped head 2. Through adopting the regulation spanner of above-mentioned structure, can be used for the dismantlement of different model hexagon head nuts or hexagon head bolt, in the specific use, can adjust the length of stretching out of slide bar structure through nut seat structure, and then adapt to not unidimensional nut.
Further, the slide bar structure includes central connecting rod 11, the one end fixed mounting of central connecting rod 11 has head ejector pin 10, the other end fixed mounting of central connecting rod 11 has afterbody ejector pin 8, head ejector pin 10 and afterbody ejector pin 8 constitute sliding fit, the through-hole on the arc head 2 is passed on the top of head ejector pin 10 to processing has V type draw-in groove 9 on its top, V type draw-in groove 9 cooperatees with the hexagon nut who treats the dismantlement. The sliding rod structure with the structure can extend out, and is further suitable for nuts of different models.
Furthermore, the head ejector rod 10 and the tail ejector rod 8 both adopt rectangular rods, and the inner cavity 4 adopts a rectangular through hole structure. The head ejector rod 10 and the tail ejector rod 8 can be prevented from rotating in the dismounting process by adopting a rectangular through hole structure, and the dismounting reliability is further ensured.
Further, the nut seat structure comprises a rotating sleeve 6, the rotating sleeve 6 is sleeved on a central connecting rod 11 of the sliding rod structure through rotating fit, an external thread 7 is arranged outside the rotating sleeve 6, and the external thread 7 and the transmission thread groove 5 form thread transmission fit. The nut seat structure can be used for driving the sliding rod structure to extend out, so that the V-shaped clamping groove 9 is matched with the hexagonal through hole 1, and the nut to be disassembled is locked. In the working process, the rotating sleeve 6 only needs to be rotated to be matched with the transmission thread groove 5, and then the sliding rod structure extends out.
Further, an end cover 13 for sealing the inner cavity 4 is installed at the end of the wrench body 3, and an arc-shaped handle 14 is installed at the outer center of the end cover 13. The end cover 13 can be conveniently disassembled, so that the installation of the sliding rod structure in the end cover is facilitated.
Furthermore, a limiting sleeve 12 for limiting two ends of the rotating sleeve 6 is mounted on the central connecting rod 11. The rotating sleeve 6 can be limited by the limiting sleeve 12.
The utility model discloses a working process and principle:
in the use of the device, the wrench body 3 and the sliding rod are structurally connected into a whole, and the device comprises the following steps:
the first step is as follows: the wrench main body 3 is connected with a sliding rod structure in a sliding way, and the sliding rod structure can slide in the wrench main body 3 by rotating the external thread 7;
the second step is that: when the external thread 7 is rotated, the sliding rod structure slides outwards, and the size of the middle position between the V-shaped clamping groove 9 and the hexagonal through hole 1 is adjusted to be consistent with the size of the nut 15 to be disassembled;
the third step: when in use, the tail end of the wrench main body 3 is rotated to fasten or disassemble the nut 15 to be disassembled.
Claims (6)
1. An adjustable spanner, its characterized in that: it includes spanner main part (3), the inside processing of spanner main part (3) has interior cavity (4), the middle part processing of interior cavity (4) has transmission thread groove (5), the slide bar structure is installed through sliding fit in the inside of interior cavity (4), the structural nut seat structure of being used for with transmission thread groove (5) matched with of slide bar that installs, the head of spanner main part (3) is fixed with arc head (2), the inside processing of arc head (2) has and is used for with nut matched with hexagonal through-hole (1).
2. An adjustable spanner as claimed in claim 1 wherein: the utility model discloses a novel slide bar structure, including slide bar structure, the one end fixed mounting of center connecting rod (11) has head ejector pin (10), the other end fixed mounting of center connecting rod (11) has afterbody ejector pin (8), head ejector pin (10) and afterbody ejector pin (8) constitute sliding fit, the through-hole on arc head (2) is passed on the top of head ejector pin (10) to it has V type draw-in groove (9) to process on its top, V type draw-in groove (9) cooperate with the hexagon nut of waiting to dismantle.
3. An adjustable spanner as claimed in claim 2 wherein: the head ejector rod (10) and the tail ejector rod (8) both adopt rectangular rods, and the inner cavity (4) adopts a rectangular through hole structure.
4. An adjustable spanner as claimed in claim 1 wherein: the nut seat structure comprises a rotating sleeve (6), the rotating sleeve (6) is sleeved on a central connecting rod (11) of the sliding rod structure in a rotating fit mode, an external thread (7) is arranged outside the rotating sleeve (6), and the external thread (7) and a transmission thread groove (5) form thread transmission fit.
5. An adjustable spanner as claimed in claim 1 wherein: an end cover (13) used for sealing the inner cavity (4) is installed at the tail end of the wrench main body (3), and an arc-shaped handle (14) is installed at the outer center of the end cover (13).
6. An adjustable spanner as claimed in claim 2 wherein: and the central connecting rod (11) is provided with a limiting sleeve (12) used for limiting two ends of the rotating sleeve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022927379.4U CN214186939U (en) | 2020-12-09 | 2020-12-09 | Adjustable spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022927379.4U CN214186939U (en) | 2020-12-09 | 2020-12-09 | Adjustable spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214186939U true CN214186939U (en) | 2021-09-14 |
Family
ID=77650664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022927379.4U Active CN214186939U (en) | 2020-12-09 | 2020-12-09 | Adjustable spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214186939U (en) |
-
2020
- 2020-12-09 CN CN202022927379.4U patent/CN214186939U/en active Active
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