CN218254885U - Narrow and small laborsaving spanner of using in space - Google Patents
Narrow and small laborsaving spanner of using in space Download PDFInfo
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- CN218254885U CN218254885U CN202222015005.4U CN202222015005U CN218254885U CN 218254885 U CN218254885 U CN 218254885U CN 202222015005 U CN202222015005 U CN 202222015005U CN 218254885 U CN218254885 U CN 218254885U
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Abstract
The utility model relates to a labor-saving wrench for narrow space, which comprises an open pipe, a connecting pipe and a force application part; the open pipe is provided with a clamping cavity for clamping a tool; one end of the connecting pipe is connected with the open pipe, the other end of the connecting pipe is connected with the force application part, and an included angle is formed between the connecting pipe and the open pipe so as to form a wrench with a nonlinear structure; the problem of because current spanner all is the linear type structure, when operation in narrow and small space, the spanner receives the restriction in space, is difficult to operate is solved.
Description
Technical Field
The utility model relates to a hardware and tools technical field especially relates to a narrow and small laborsaving spanner that uses in space.
Background
The wrench is a common mounting and dismounting tool, and is a manual tool for screwing bolts, screws, nuts and other threads to tightly hold open or trepanning fasteners of the bolts or nuts by utilizing the lever principle. With the continuous development of wrenches, special tools such as internal hexagonal wrenches and double offset ring wrenches are available.
For example, the utility model with the application number of CN202121222842.3 provides a convenient multipurpose torque wrench, wherein, both ends of the torque wrench are provided with an inner hexagonal flat head and an inner hexagonal ball head, which can fasten and assemble bolt holes with different shapes, and can disassemble and freely disassemble gloves and install the gloves at the end parts, thereby facilitating operation and improving assembly efficiency; for another example, the utility model application No. CN201620781431.0 provides a ring spanner, wherein the ring spanner realizes the directional change of torque output, breaks the limitation that the ring spanner can only transmit torque in the same direction, and increases the applicable space of operation.
However, since all the conventional wrenches have a linear structure, the wrenches are limited in space and difficult to operate in a narrow space.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is desirable to provide a labor-saving wrench for a narrow space, which solves the problem that the conventional wrench is difficult to operate due to the limited space when operating in a narrow space because the wrench is of a linear structure.
The utility model provides a labor-saving wrench for narrow space, which comprises an open pipe, a connecting pipe and a force application part; the open pipe is provided with a clamping cavity for clamping a tool; one end of the connecting pipe is connected with the opening pipe, the other end of the connecting pipe is connected with the force application part, and an included angle is formed between the connecting pipe and the opening pipe so as to form a wrench with a nonlinear structure.
Furthermore, an open slot is formed on the side wall of the open tube, and the open tube is positioned between two lip edges of the open slot and connected through a first connecting piece, so that a clamping cavity with adjustable size is formed inside the open tube.
Furthermore, the tool also comprises a sleeve, the sleeve is clamped and embedded in the clamping cavity, and the inner wall of the sleeve is connected with the outer wall of the tool in a matched mode.
Further, the cross section of the outer wall of the sleeve is circular, and the cross section of the inner wall of the open pipe is circular; or
The cross section of the outer wall of the sleeve is square, and the cross section of the inner wall of the open pipe is square.
Furthermore, the outer wall of the middle part of the connecting pipe is fixedly connected with the open pipe.
Furthermore, an included angle formed between the connecting pipe and the opening pipe is thirty degrees.
Further, the connecting pipe and the force application part are detachably connected through a second connecting piece.
Furthermore, the force application part comprises a main pipe and a force application pipe, one end of the main pipe is detachably connected with the connecting pipe, and the other end of the main pipe is detachably connected with the force application pipe.
Furthermore, the stress application pipe is sleeved on the main pipe, the stress application pipe is connected with the main pipe in a sliding mode, a plurality of first through holes sequentially arranged along the length direction of the main pipe are formed in the main pipe, a plurality of second through holes sequentially arranged along the length direction of the stress application pipe are formed in the stress application pipe, any one of the first through holes can be communicated with any one of the second through holes, and the first through hole of the main pipe can be connected with the second through hole of the stress application pipe through a third connecting piece.
Furthermore, a plurality of first through holes on the main pipe are provided with moment scale marks.
Compared with the prior art, through setting up, including the opening pipe, connecting pipe and application of force portion, the opening pipe has a centre gripping chamber, for the centre gripping instrument, wherein, the length direction of instrument should be unanimous with the extending direction of opening pipe, and simultaneously, the one end and the opening union coupling of connecting pipe, the other end and the application of force portion of connecting pipe are connected, form an contained angle between connecting pipe and the opening pipe, a spanner for can forming a nonlinear structure, specifically, can form an contained angle between instrument and the application of force portion, thereby adaptable in narrow and small space, avoid the spanner can't place in operation position department, perhaps the spanner can't remove in the operation position.
Drawings
FIG. 1 is a schematic view of a force application portion of a labor saving wrench for narrow space, wherein an obtuse angle is formed between a tool held by an open pipe and the force application portion;
fig. 2 is a schematic structural view of an acute angle formed between the tool held by the open pipe and the force application part in an embodiment of the labor saving wrench for narrow space.
Detailed Description
The following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.
As shown in fig. 1, the labor saving wrench for narrow space in this embodiment includes an open pipe 100, a connecting pipe 200 and a force applying portion 300; the open pipe 100 has a holding cavity for holding the tool 400; one end of the connection pipe 200 is connected to the open pipe 100, the other end of the connection pipe 200 is connected to the force application part 300, and an included angle is formed between the connection pipe 200 and the open pipe 100 to form a wrench with a non-linear structure.
Wherein, through setting up, including open pipe 100, connecting pipe 200 and application of force portion 300, open pipe 100 has a centre gripping chamber, be used for centre gripping instrument 400, wherein, the length direction of instrument 400 should be unanimous with the extending direction of open pipe 100, simultaneously, the one end and the open pipe 100 of connecting pipe 200 are connected, the other end and the application of force portion 300 of connecting pipe 200 are connected, form an contained angle between connecting pipe 200 and the open pipe 100, be used for can forming a non-linear structure's spanner, specifically, can form an contained angle between instrument 400 and the application of force portion 300, thereby adaptable in narrow and small space, avoid the spanner can't place in operation position department, perhaps the spanner can't remove in the operation position.
The open pipe 100 in this embodiment is a structure of holding the tool 400, in which a holding cavity is formed for holding the tool 400. It should be noted that the "tool 400" described above is a tool 400 that can be conceived by those skilled in the art, such as an internal hexagonal tool, a torx driver, etc. The gripping chamber may grip the non-working end of the tool 400 with the working end of the tool 400 at a location remote from the open ended tube 100.
To facilitate the exchange of different tools 400 into the open tube 100, in a preferred embodiment, an open slot 110 is formed in the sidewall of the open tube 100, and the open tube 100 is connected between the two lips of the open slot 110 via a first connector 120, so that the interior of the open tube 100 forms a clamping cavity with adjustable size.
The first connector 120 may be a first screw and a first nut, the first screw sequentially penetrates through two lips of the open pipe 100 to be connected with the first screw, and the size of the open groove 110 of the open pipe 100 may be controlled according to the depth of the first screw penetrating through the first nut, so that tools 400 of different sizes may be clamped.
It will be appreciated that the open tube 100 may take other forms of construction to provide a detachable connection to the tool 400.
Because the tools 400 have different shapes, in order to clamp different tools 400, in a preferred embodiment, the tool further comprises a sleeve 130, the sleeve 130 is clamped in the clamping cavity, and the inner wall of the sleeve 130 is in fit connection with the outer wall of the tool 400.
In some embodiments, the sleeve 130 fits the open tube 100 at the outer wall, the shape of the outer wall of the sleeve 130 is not limited, and the sleeve 130 serves as a bearing for the connection between the open tube 100 and the tool 400.
In a preferred embodiment, the cross-section at the outer wall of the sleeve 130 is circular and the cross-section at the inner wall of the open tube 100 is circular.
In another preferred embodiment, the cross-section at the outer wall of the sleeve 130 is square and the cross-section at the inner wall of the open tube 100 is square.
The connection pipe 200 in this embodiment is configured to connect the open pipe 100 and the urging portion 300.
In a preferred embodiment, the connection pipe 200 is fixedly connected to the open pipe 100 at an outer wall of a middle portion thereof.
In a preferred embodiment, the connection tube 200 is formed at an angle of thirty degrees with respect to the open tube 100. It will be appreciated that in other preferred embodiments, the connection tube 200 forms an angle of ten degrees, one hundred seventy degrees, etc. with the open tube 100.
In a preferred embodiment, the connection pipe 200 is detachably connected to the force application part 300 via the second connector 210. The second connector 210 may adopt a second screw and a second nut, specifically, the force application portion 300 is partially sleeved on the connection pipe 200, and the second screw passes through the overlapped portion of the connection pipe 200 and the force application portion 300 and then is connected with the second nut, thereby realizing detachable connection between the connection pipe 200 and the force application portion 300.
It is understood that the second connecting member 210 may also be replaced by other structures, and the embodiments of the present invention are not limited thereto.
The force application part 300 in this embodiment is a structure to apply force, and the external force applied to the force application part 300 can be transmitted to the tool 400 held by the open pipe 100 to force the tool 400 to operate.
In a preferred embodiment, the force application part 300 includes a main tube 310 and a force application tube 320, one end of the main tube 310 is detachably connected to the connection tube 200, and the other end of the main tube 310 is detachably connected to the force application tube 320.
Under the condition of a certain external force, in order to facilitate torque adjustment, that is, to increase the force arm as much as possible to achieve the purpose of saving labor, in a preferred embodiment, the force application pipe 320 is sleeved on the main pipe 310, the force application pipe 320 is slidably connected with the main pipe 310, a plurality of first through holes are sequentially formed in the main pipe 310 along the length direction of the main pipe, a plurality of second through holes are sequentially formed in the force application pipe 320 along the length direction of the force application pipe, any one of the first through holes can be communicated with any one of the second through holes, and the first through hole of the main pipe 310 can be connected with the second through hole of the force application pipe 320 through the third connecting member 330.
The third connecting member 330 may adopt a third screw and a third nut, specifically, the third screw sequentially passes through the first through hole and the second through hole and is connected with the third nut, so as to realize the detachable connection between the forcing pipe 320 and the main pipe 310.
It is understood that the second connecting member 210 may be replaced by other structures, and the embodiment of the present invention is not limited thereto.
To facilitate the adjustment of the length of the moment arm, in a preferred embodiment, a moment graduation mark 311 is provided at each of the plurality of first through holes of the main pipe 310.
As shown in fig. 1-2, in operation, the position of the adjustable open pipe 100 for holding the tool 400, for example, in fig. 1, the left side of the open pipe 100 for holding the tool 400, the connecting pipe 200 and the force application part 300 are inclined toward the right side of the open pipe 100, and an obtuse angle is formed between the tool 400 and the force application part 300, and when the position needs to be adjusted, as shown in fig. 2, the right side of the open pipe 100 for holding the tool 400, the tool 400 and the force application part 300 form an acute angle.
Compared with the prior art: by setting, including open pipe 100, connecting pipe 200 and application of force portion 300, open pipe 100 has a centre gripping chamber, for centre gripping instrument 400, wherein, the length direction of instrument 400 should be unanimous with the extending direction of open pipe 100, simultaneously, the one end and the open pipe 100 of connecting pipe 200 are connected, the other end and the application of force portion 300 of connecting pipe 200 are connected, form an contained angle between connecting pipe 200 and the open pipe 100, be used for can forming the spanner of a nonlinear structure, specifically, can form an contained angle between instrument 400 and the application of force portion 300, thereby adaptable in narrow and small space, avoid the spanner can't place in operation position department, perhaps the spanner can't remove in the operation position.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (10)
1. A labor-saving wrench for narrow space is characterized by comprising an open pipe, a connecting pipe and a force application part;
the open pipe is provided with a clamping cavity for clamping a tool;
one end of the connecting pipe is connected with the opening pipe, the other end of the connecting pipe is connected with the force application part, and an included angle is formed between the connecting pipe and the opening pipe so as to form a wrench with a nonlinear structure.
2. The labor-saving wrench for narrow spaces according to claim 1, wherein an open slot is formed on a side wall of the open tube, and the open tube is positioned between two lips of the open slot and connected through a first connecting member, so that a clamping cavity with an adjustable size is formed inside the open tube.
3. The labor-saving wrench for narrow spaces according to claim 1, further comprising a sleeve, wherein the sleeve is inserted into the clamping cavity, and an inner wall of the sleeve is connected with an outer wall of the tool in a matching manner.
4. The labor-saving wrench for narrow spaces according to claim 3, wherein the cross section of the outer wall of the sleeve is circular, and the cross section of the inner wall of the open pipe is circular; or
The cross section of the outer wall of the sleeve is square, and the cross section of the inner wall of the open pipe is square.
5. The labor-saving wrench for narrow spaces according to claim 1, wherein the outer wall of the middle portion of the connecting pipe is fixedly connected to the open pipe.
6. The labor-saving wrench for narrow spaces according to claim 1, wherein an angle formed between the connecting pipe and the open pipe is thirty degrees.
7. The labor-saving wrench for narrow spaces according to claim 1, wherein the connection pipe and the force application portion are detachably connected via a second connecting member.
8. The labor-saving wrench for narrow and small spaces according to claim 1, wherein the force application portion includes a main tube and a force application tube, one end of the main tube is detachably connected to the connecting tube, and the other end of the main tube is detachably connected to the force application tube.
9. The labor-saving wrench for a narrow space as claimed in claim 8, wherein the force applying pipe is sleeved on the main pipe, the force applying pipe is slidably connected to the main pipe, the main pipe is provided with a plurality of first through holes sequentially formed along a length direction of the force applying pipe, the force applying pipe is provided with a plurality of second through holes sequentially formed along the length direction of the force applying pipe, any one of the first through holes can be communicated with any one of the second through holes, and the first through hole of the main pipe can be connected to the second through hole of the force applying pipe via a third connecting member.
10. The narrow space labor-saving wrench according to claim 9, wherein the main pipe has a plurality of first through holes each having a torque scale line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222015005.4U CN218254885U (en) | 2022-08-01 | 2022-08-01 | Narrow and small laborsaving spanner of using in space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222015005.4U CN218254885U (en) | 2022-08-01 | 2022-08-01 | Narrow and small laborsaving spanner of using in space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218254885U true CN218254885U (en) | 2023-01-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222015005.4U Active CN218254885U (en) | 2022-08-01 | 2022-08-01 | Narrow and small laborsaving spanner of using in space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218254885U (en) |
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2022
- 2022-08-01 CN CN202222015005.4U patent/CN218254885U/en active Active
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