CN217572685U - Spanner for narrow space - Google Patents
Spanner for narrow space Download PDFInfo
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- CN217572685U CN217572685U CN202221586829.0U CN202221586829U CN217572685U CN 217572685 U CN217572685 U CN 217572685U CN 202221586829 U CN202221586829 U CN 202221586829U CN 217572685 U CN217572685 U CN 217572685U
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- head
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- shell
- track groove
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Abstract
The utility model provides a spanner that narrow and small space was used, it includes main part shell, nut rotating part, actuating lever and transmission, and the main part shell includes cavity and has upper and lower open-ended head and handle portion along the axis, and the nut rotating part is including establishing the regular hexagon hole on the axis, and the nut rotating part is established in the head, and the actuating lever pin joint stretches out in handle portion and one end follow handle portion, and the actuating lever passes through transmission drive nut rotating part and rotates. The distance that the head part and the handle part extend into the narrow space is large, the distance that the head part and the handle part extend into the narrow space is controlled by an operator, and the use is convenient.
Description
Technical Field
The utility model relates to a wrench.
Background
In the prior art, in chinese patent 201810358182.8, a gap special nut wrench includes a wrench control device, a rotary transmission device, a wrench positioning link assembly, a wrench angle adjusting assembly and a wrench seat assembly, wherein the wrench control device includes a rectangular fixed sliding sleeve, a driving motor, a driving flexible shaft, a rotating shaft and a driving gear; the rectangular fixed sliding sleeve is provided with a front rectangular slideway and a rear rectangular slideway, the left side surface of the rectangular fixed sliding sleeve is connected with a front positioning bolt and a rear positioning bolt through threads, and the inner sides of the two positioning bolts are respectively inserted into the inner sides of the front rectangular slideway and the rear rectangular slideway; the driving motor is fixedly connected to the rear side face of the rectangular fixed sliding sleeve, an output shaft of the driving motor is connected with the upper end of the transmission flexible shaft through a coupler, the lower end of the transmission flexible shaft is connected with the rotating shaft through a coupler, and the lower end of the rotating shaft is fixedly connected with the driving gear. There are problems in that: the wrench socket component has small depth extending into the gap.
Chinese patent 201821138222.X, a wrench, comprising: a wrench body having a mounting cavity that is open in a circumferential direction; the clamp jaws are movably arranged in the mounting cavity and are provided with clamp jaws used for being clamped with threaded fasteners; and the driving mechanism is arranged on the wrench body and is used for driving the jaw to rotate. The utility model discloses a spanner sets up mobile jaw in the installation cavity of spanner body, and accessible actuating mechanism realizes that the drive jaw rotates. There are problems in that: the rotation angle of the clamp claws is small and needs to be changed continuously.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: a wrench for a narrow space is provided, which has a feature of extending into the narrow space by a large distance.
The utility model discloses a realize like this: a spanner for narrow space is characterized in that: it comprises a main body shell, a nut rotating part, a driving rod and a transmission device,
the main body shell comprises a head part and a handle part which are hollow and provided with upper and lower openings along an axis,
the nut rotating portion includes a regular hexagonal hole provided on the axis,
the nut rotating part is arranged in the head part, the driving rod is pivoted in the handle part, one end of the driving rod extends out of the handle part, and the driving rod drives the nut rotating part to rotate through the transmission device.
The spanner that narrow and small space used, its special character lies in: the head part also comprises a transmission cavity tangent to the head part, the transmission cavity is communicated with the handle part, and the transmission cavity and the handle part are on the same straight line;
the transmission device comprises worm gear teeth and a worm which are arranged on the outer circumferential surface of the nut rotating part,
the worm is pivoted in the transmission cavity, the worm is meshed with the worm gear teeth, and the worm is fixed with the driving rod.
The spanner for narrow space is characterized in that: the upper end and the lower end of the nut rotating part are respectively provided with an upper circular guide rail and a lower circular guide rail,
the head includes a head shell and a head cover,
the head shell comprises a rotating cavity part and a transmission cavity part, a bottom plate of the rotating cavity part is provided with a lower opening and a lower annular track groove which are positioned on an axis, and two ends of the transmission cavity part are provided with lower half pivoting seats;
the head cover comprises a rotary cavity cover and a transmission cavity cover, the rotary cavity cover is provided with an upper opening and an upper circular track groove, and the transmission cavity cover is provided with two upper half pivoting seats;
rotatory chamber lid and transmission chamber lid respectively with rotatory chamber portion and transmission chamber portion lock, upper and lower ring guide respectively with last ring shape track groove and lower ring shape track groove sliding fit, the spindle nose of worm cooperates with first pin joint seat and second pin joint seat first respectively.
The spanner for narrow space is characterized in that: the handle portion and the head portion intersect;
the transmission device comprises a conical gear part and a driving conical gear which are arranged on the outer circumferential surface of the nut rotating part;
the shaft head of the driving bevel gear is connected with the driving rod, and the driving bevel gear is meshed with the conical gear part.
The spanner for narrow space is characterized in that: the handle part is provided with a hinge cavity;
the head comprises a head shell and a head cover, the head shell comprises a lower opening and a lower circular track groove which are arranged on the axis,
the head cover comprises a cover shell, a frustum-shaped avoidance sleeve, a shaft sleeve, an upper opening and an end cover,
the nut rotating part comprises an upper circular track groove arranged at the upper end and a lower circular guide rail arranged at the lower end;
the cover shell is buckled with the upper opening of the head shell, the shaft sleeve is in sliding fit with the upper circular track groove, the lower circular guide rail is embedded with the lower circular track groove, the end cover is buckled with the upper opening of the hinged cavity, and the shaft head is hinged with the hinged cavity and the end cover.
The spanner for narrow space is characterized in that: the head shell, the hinge cavity and the handle part are integrally formed;
the spanner that narrow and small space used, its special character lies in: the head includes a head shell and a head cover,
the head shell comprises a lower opening arranged on the axis, a lower circular track groove and two hinged base plates, the gap between the hinged base plates is communicated with the inner cavity of the head shell,
the head cover comprises a cover shell, a frustum-shaped avoiding sleeve, a shaft sleeve, an upper opening arranged on the cover shell and a stop groove arranged on the cover shell,
the handle part is provided with a hinge joint which is provided with a hinge groove,
the nut rotating part comprises an upper circular track groove arranged at the upper end and a circular guide rail arranged at the lower end;
also comprises a hinging block which is arranged on the upper part of the frame,
the cover shell is buckled with the head shell, the shaft sleeve is in sliding fit with the upper circular track groove, and the circular guide rail is in sliding fit with the circular track groove; the hinge joint is hinged with the hinge seat plate, the hinge block is embedded with the upper opening of the hinge groove, the shaft head of the driving frustum-shaped gear is in running fit with the hinge cavity and the hinge block, and the end part of the hinge block corresponds to the stop groove.
The spanner for narrow space is characterized in that: and a limiting plate is arranged at the upper end of the regular hexagonal hole of the nut rotating part.
The spanner that narrow and small space used, its special character lies in: the limiting plate comprises a plane side surface part and an arc circumferential part, the limiting plate is fixed with the nut rotating part, and one side of the plane side surface part covers one corner of the regular hexagonal hole.
The spanner for narrow space is characterized in that: the limiting plate is annular, and the inner diameter of the limiting plate is smaller than the diameter of an inscribed circle of the regular hexagonal hole.
The utility model relates to a spanner that narrow and small space was used owing to adopt such structure, head and handle portion stretch into the distance in narrow and small space big, stretch into apart from operator control, convenient to use's characteristics.
Drawings
Fig. 1 is a sectional view of the present invention.
Fig. 2 is a view a-a of fig. 1.
Fig. 3 is one of the exploded perspective views of the present invention.
Fig. 4 is a second exploded perspective view of the present invention.
Fig. 5 is a sectional view of a second embodiment of the present invention.
Fig. 6 is a view B-B of fig. 5.
Fig. 7 is a front view of a second embodiment of the present invention.
Fig. 8 is one of exploded perspective views of a second embodiment of the present invention.
Fig. 9 is a second exploded perspective view of the second embodiment of the present invention.
Fig. 10 is a sectional view of a second embodiment of the present invention.
Fig. 11 is a view from C-C of fig. 10.
Fig. 12 is an exploded perspective view of a third embodiment of the present invention.
Fig. 13 is a second exploded perspective view of the third embodiment of the present invention.
Fig. 14 is a third exploded perspective view of the third embodiment of the present invention.
Fig. 15 is a fourth exploded perspective view of the third embodiment of the present invention.
Fig. 16 is a perspective view of an improvement of the present invention.
Fig. 17 is a second perspective view of the improvement of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
Example 1
As shown in fig. 1 and 2, a wrench for a narrow space includes a main body housing 1, a nut rotating part 2, a driving rod 3 and a transmission device,
the body case 1 includes a head portion 11 and a handle portion 12 which are hollow and have upper and lower openings along an axis,
the nut rotating part 2 comprises a regular hexagonal hole arranged on an axis, and the regular hexagonal hole can be matched with a hexagonal nut and also can be a hexagonal head of a screw;
the nut rotating part 2 is arranged in the head part 11, the axes of the head parts of the axes of the regular hexagonal holes are overlapped, and the diameter of a circumscribed circle of the regular hexagonal hole is smaller than that of the opening; the driving rod 3 is pivoted in the handle part 12 and one end of the driving rod extends out of the handle part 12, and the driving rod 3 drives the nut rotating part 2 to rotate through a transmission device. The end of the driving rod 3 extending out of the handle part 12 is provided with a regular hexagon head part, and when the electric rotary tool is used, the electric rotary tool is detachably connected with the regular hexagon head part; the head 11 extends into a narrow space, the handle 12 is held by hand, the nut extends into the regular hexagonal hole, and the nut rotating part 2 rotates by using the nut;
the head part 11 further comprises a transmission cavity 13 tangent to the head part, the transmission cavity 13 is communicated with the handle part 12, and the transmission cavity 13 and the handle part 12 are in a straight line;
the transmission means includes worm gear teeth (not shown) provided on an outer circumferential surface of the nut rotating portion 2 and a worm 4,
the worm 4 is pivoted in the transmission cavity 13, the worm 4 is meshed with the gear teeth of the worm, the worm 4 is fixed with the driving rod 3, and the worm rotates along with the driving rod 3.
As a further improvement of the utility model: the upper end and the lower end of the nut rotating part 2 are respectively provided with an upper circular guide rail 21 and a lower circular guide rail 22,
the head 11 includes a head housing 111 and a head cover 112,
the head shell 111 comprises a rotating cavity part 113 and a transmission cavity part 114, a lower opening and a lower circular track groove 117A which are positioned on the axis are arranged on the bottom plate of the rotating cavity part 113, and lower half pivoting seats (not marked in the figure) are arranged at two ends of the transmission cavity part 114;
the head cover 112 comprises a rotary cavity cover 115 and a transmission cavity cover 116, the rotary cavity cover 115 is provided with an upper opening and an upper circular track groove 117B, and the transmission cavity cover 116 is provided with two upper half pivoting seats (not marked in the figure); upper and lower openings, i.e., upper and lower ends of the opening;
the rotating cavity cover 115 and the transmission cavity cover 116 are buckled with the rotating cavity part 113 and the transmission cavity part 114 respectively, the upper circular ring guide rail 21 and the lower circular ring guide rail 22 are in sliding fit with the upper circular ring track groove 117B and the lower circular ring track groove 117A respectively, and the shaft heads of the worm 4 are matched with the upper half pivoting seat and the lower half pivoting seat respectively;
the following steps are also possible: the hollow both ends of worm 4 are opened, and the tip of actuating lever 3 is equipped with the axis body, and the axis body inserts in the worm 4 and fixed.
Example 2
As shown in fig. 5, 6 and 7, the handle portion 12 intersects the head portion 11, and the handle portion 12 is along a diameter line of the head portion 11;
the transmission device comprises a conical gear part 2A and a driving conical gear 2B which are arranged on the outer circumferential surface of the nut rotating part 2;
the shaft head of the driving bevel gear 2B is connected with the driving rod 3, and the driving bevel gear 2B is meshed with the conical gear part 2A.
The handle part 12 is provided with a hinge cavity 121;
the head 11 includes a head housing 111 and a head cover 112, the head housing 111 includes a lower opening provided on an axis and a lower circular rail groove 117A,
the head cover 112 includes a cover shell 1121, a frustum-shaped clearance sleeve 1122, a shaft sleeve 1123 and an end cover 1124,
the nut rotating portion 2 includes an upper circular track groove 117B provided at an upper end and a lower circular guide rail 22 provided at a lower end;
the cover shell 1121 is buckled with the upper opening of the head shell 111, the shaft sleeve 1123 is in sliding fit with the upper circular track groove 117B, the lower circular guide rail 22 is embedded with the lower circular track groove 117A, the end cover 1124 is buckled with the upper opening of the hinge cavity 121, and the shaft head of the driving bevel gear 2B is hinged with the hinge cavity 121 and the end cover 1124;
the head shell 111, hinge cavity 121 and handle portion 12 are integrally formed.
As shown in fig. 16, as a further improvement of the present invention: a limiting plate 6 is arranged at the upper end of the regular hexagonal hole of the nut rotating part 2;
the limiting plate 6 comprises a plane side surface part and an arc-shaped circumferential part, the limiting plate 6 is fixed with the nut rotating part 2, and one side of the plane side surface part covers one corner part of the regular hexagonal hole;
the utility model discloses can also realize like this: the limiting plate 6 is annular, and the inner diameter of the limiting plate 6 is smaller than the diameter of an inscribed circle of the regular hexagonal hole;
by adopting the structure, the nut can be prevented from being separated from the regular hexagonal hole of the nut rotating part 2; or prevent the head of the screw from being separated from the regular hexagonal hole of the nut rotating portion 2.
Example 3
As shown in fig. 10, 11, 12 and 13, the head 11 includes a head housing 111 and a head cover 112,
the head shell 111 comprises a lower opening arranged on the axis, a lower circular track groove 117A and two hinged base plates 111A, the gap between the hinged base plates 111A is communicated with the inner cavity of the head shell 111,
the head cover 112 comprises a cover shell, a frustum-shaped escape sleeve, a shaft sleeve and a stop groove 1125 arranged on the cover shell,
the handle part 12 is provided with a hinge joint 122, the hinge base is provided with a hinge groove 123,
the nut rotating part 2 comprises an upper circular track groove arranged at the upper end and a lower circular guide rail arranged at the lower end;
it also comprises a hinging block (5) which,
the cover shell is buckled with the head shell 112, the shaft sleeve is in sliding fit with the upper circular track groove, and the circular guide rail is in sliding fit with the circular track groove; the hinged seat is hinged to the hinged seat plate, the hinged block 5 is embedded into the upper opening of the hinged groove 123, the shaft head of the driving frustum-shaped gear 2B is matched with the hinged groove 123 and the hinged block 5 in a rotating mode, and the end portion of the hinged block 5 corresponds to the stop groove 1125.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The utility model provides a spanner that narrow and small space was used which characterized in that: it comprises a main body shell, a nut rotating part, a driving rod and a transmission device,
the main body shell comprises a head part and a handle part which are hollow and provided with upper and lower openings along an axis,
the nut rotating portion includes a regular hexagonal hole provided on the axis,
the nut rotating part is arranged in the head part, the driving rod is pivoted in the handle part, one end of the driving rod extends out of the handle part, and the driving rod drives the nut rotating part to rotate through the transmission device.
2. The wrench for small spaces according to claim 1, wherein: the head part also comprises a transmission cavity tangent to the head part, the transmission cavity is communicated with the handle part, and the transmission cavity and the handle part are on the same straight line;
the transmission device comprises worm gear teeth and a worm which are arranged on the outer circumferential surface of the nut rotating part,
the worm is pivoted in the transmission cavity, the worm is meshed with the gear teeth of the worm, and the worm is fixed with the driving rod.
3. The wrench for small spaces according to claim 2, wherein: the upper end and the lower end of the nut rotating part are respectively provided with an upper circular guide rail and a lower circular guide rail,
the head includes a head shell and a head cover,
the head shell comprises a rotating cavity part and a transmission cavity part, a bottom plate of the rotating cavity part is provided with a lower opening and a lower annular track groove which are positioned on an axis, and two ends of the transmission cavity part are provided with lower half pivoting seats;
the head cover comprises a rotary cavity cover and a transmission cavity cover, the rotary cavity cover is provided with an upper opening and an upper annular track groove, and the transmission cavity cover is provided with two upper half pivoting seats;
the rotary cavity cover and the transmission cavity cover are buckled with the rotary cavity part and the transmission cavity part respectively, the upper and lower circular guide rails are in sliding fit with the upper circular track groove and the lower circular track groove respectively, and the shaft heads of the worm are matched with the upper half pin-joint seat and the lower half pin-joint seat respectively.
4. The wrench as claimed in claim 1, wherein: the handle portion and the head portion intersect;
the transmission device comprises a conical gear part and a driving conical gear which are arranged on the outer circumferential surface of the nut rotating part;
the shaft head of the driving bevel gear is connected with the driving rod, and the driving bevel gear is meshed with the conical gear part.
5. The wrench as claimed in claim 4, wherein: the handle part is provided with a hinge cavity;
the head comprises a head shell and a head cover, the head shell comprises a lower opening and a lower circular track groove which are arranged on the axis,
the head cover comprises a cover shell, a frustum-shaped avoidance sleeve, a shaft sleeve, an upper opening and an end cover,
the nut rotating part comprises an upper annular track groove arranged at the upper end and a lower annular guide rail arranged at the lower end;
the cover shell is buckled with the upper opening of the head shell, the shaft sleeve is in sliding fit with the upper circular track groove, the lower circular guide rail is embedded with the lower circular track groove, the end cover is buckled with the upper opening of the hinged cavity, and the shaft head is hinged with the hinged cavity and the end cover.
6. The wrench as claimed in claim 5, wherein: the head shell, the hinge cavity and the handle part are integrally formed.
7. The wrench for small spaces according to claim 4, wherein: the head includes a head shell and a head cover,
the head shell comprises a lower opening arranged on the axis, a lower annular track groove and two hinged seat plates, the gap between the hinged seat plates is communicated with the inner cavity of the head shell,
the head cover comprises a cover shell, a frustum-shaped avoidance sleeve, a shaft sleeve, an upper opening arranged on the cover shell and a stop groove arranged on the cover shell,
the handle part is provided with a hinge joint which is provided with a hinge groove,
the nut rotating part comprises an upper circular track groove arranged at the upper end and a circular guide rail arranged at the lower end;
also comprises a hinging block which is arranged on the upper part of the frame,
the cover shell is buckled with the head shell, the shaft sleeve is in sliding fit with the upper annular track groove, and the annular guide rail is in sliding fit with the annular track groove; the hinge joint is hinged with the hinge seat plate, the hinge block is embedded with the upper opening of the hinge groove, the shaft head of the driving frustum-shaped gear is in running fit with the hinge cavity and the hinge block, and the end part of the hinge block corresponds to the stop groove.
8. A cramp wrench according to claim 1, 2, 3, 4, 5, 6 or 7, wherein: and a limiting plate is arranged at the upper end of the regular hexagonal hole of the nut rotating part.
9. The wrench as claimed in claim 8, wherein: the limiting plate includes plane side portion and circular arc circumference portion, and the limiting plate is fixed with the nut rotating part, and plane side portion one side covers a bight in regular hexagonal hole.
10. The wrench for small spaces according to claim 8, wherein: the limiting plate is annular, and the inner diameter of the limiting plate is smaller than the diameter of an inscribed circle of the regular hexagonal hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221586829.0U CN217572685U (en) | 2022-06-22 | 2022-06-22 | Spanner for narrow space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221586829.0U CN217572685U (en) | 2022-06-22 | 2022-06-22 | Spanner for narrow space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217572685U true CN217572685U (en) | 2022-10-14 |
Family
ID=83531225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221586829.0U Active CN217572685U (en) | 2022-06-22 | 2022-06-22 | Spanner for narrow space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217572685U (en) |
-
2022
- 2022-06-22 CN CN202221586829.0U patent/CN217572685U/en active Active
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