CN214643203U - Internal hexagonal wrench capable of reversing at right angle for limited operation space - Google Patents
Internal hexagonal wrench capable of reversing at right angle for limited operation space Download PDFInfo
- Publication number
- CN214643203U CN214643203U CN202022481399.3U CN202022481399U CN214643203U CN 214643203 U CN214643203 U CN 214643203U CN 202022481399 U CN202022481399 U CN 202022481399U CN 214643203 U CN214643203 U CN 214643203U
- Authority
- CN
- China
- Prior art keywords
- box body
- transmission mechanism
- fastening
- worm
- shaft end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model relates to a right-angle reversing inner hexagon wrench for limited working space, which comprises a fastening execution end which can be extended into the limited working space and directly acts with an inner hexagon screw, an operation end which is positioned outside the limited working space, an intermediate transmission mechanism and a box body which combines the fastening execution end, the operation end and the intermediate transmission mechanism together; the middle transmission mechanism is arranged in the box body and is provided with an input shaft end and an output shaft end, and the input shaft end and the output shaft end respectively extend out of two side walls of the box body and are vertically arranged; the fastening execution end is arranged outside the box body, the cross section of the fastening execution end is in a regular hexagon shape, and the shape of the fastening execution end is consistent with that of a countersunk hole of a screw head of the socket head cap screw to be fastened; the fastening execution end is coaxially connected with the output shaft end of the intermediate transmission mechanism in a driving way; the operating end is arranged outside the box body and is coaxially connected with the power input shaft end of the transmission mechanism in a driving way; the handle is fixedly arranged outside the side wall of the box body. The inner hexagonal wrench is labor-saving and convenient to operate, and the installation efficiency of the inner hexagonal screw can be improved.
Description
Technical Field
The utility model belongs to precision machinery assembles the field, relates to socket head cap screw's installation fastening technique, concretely relates to but socket head cap spanner that is used for limited operation space right angle switching-over.
Background
In the precision machinery assembly field, for improving space utilization, promotion equipment performance, realization equipment's lightweight design, the cooperation is very inseparable between each spare part of component equipment and probably meets the narrow and small problem in assembly space in the assembling process. The use of socket head cap screws to fasten components together is one of the most common forms of threaded fastening in the field of mechanical assembly. The problem that the socket head cap screw cannot be fastened in a narrow space is particularly prominent in the difficult assembly problem caused by the narrow assembly space, and the socket head cap screw is very difficult to fasten due to the fact that the space is narrow and small, a standard socket head cap wrench cannot enter a limited operation space to perform conventional screwing operation. In the conventional method, the socket head cap screw can be tightened in a limited working space only by combining a socket head cap wrench with other auxiliary tools. The above method is not only inefficient, but also has very high requirements for the technical level of an operator, and therefore, it is necessary to design a special allen key, which should include a fastening execution part that can enter a limited working space, a force application operation part that is located outside the limited working space, and an intermediate transmission mechanism that transmits the power of the force application operation part to the fastening execution part, and the transmission mechanism should have a right-angle reversing function according to the characteristics of the limited working space.
Through retrieval, no special inner hexagon wrench which can be used in limited operation space and can be reversed at right angle is available at home at present.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's weak point, provide an operation laborsaving, convenient, but the hexagon socket head cap spanner that is used for limited operation space right angle switching-over that can improve hexagon socket head cap screw's installation effectiveness.
The utility model discloses a solve the technical scheme who above-mentioned technical problem took and be:
the utility model provides a but be used for limited operation space right angle switching-over allen key which characterized in that: the device comprises a fastening execution end which can extend into a limited operation space and directly acts with an inner hexagon screw, an operation end which is positioned outside the limited operation space, an intermediate transmission mechanism which outputs the power of the operation end to the fastening execution end, and a box body which combines the fastening execution end, the operation end and the intermediate transmission mechanism together;
the middle transmission mechanism is arranged in the box body and is a transmission mechanism capable of realizing right-angle reversing, the middle transmission mechanism is provided with an input shaft end and an output shaft end, and the input shaft end and the output shaft end respectively extend out of two side walls of the box body and are vertically arranged;
the fastening execution end is arranged outside the box body, the cross section of the fastening execution end is in a regular hexagon shape, and the shape of the fastening execution end is consistent with that of a countersunk hole of a screw head of the socket head cap screw to be fastened; the fastening execution end is coaxially connected with the output shaft end of the intermediate transmission mechanism in a driving way;
the operating end is arranged outside the box body and is coaxially connected with the power input shaft end of the transmission mechanism in a driving way;
the box body is characterized by further comprising a handle, wherein the handle is fixedly arranged outside the side wall of the box body.
Further: the middle transmission mechanism adopts a worm gear and worm transmission mechanism, the worm gear and the worm are respectively fixed on a worm shaft and a worm wheel shaft, the worm shaft and the worm wheel shaft are rotatably supported on the side wall of the box body, one end of the worm shaft and one end of the worm wheel shaft respectively extend out of the side wall of the box body and respectively form the input shaft end and the output shaft end.
Further: the operating end adopts an operating rod structure.
Further: the fastening execution end is detachably and fixedly connected with the output shaft end of the intermediate transmission mechanism.
Further: the box body is composed of a box body and a box cover, the box body is of a square box structure with one side provided with an opening end, and the box cover is fixed at the opening end position of the box body through screws.
The utility model has the advantages and positive effect:
1. this hexagon socket spanner's fastening execution end and operation end are designed for the separation form, and the execution end is located limited operation space, can be directly and hexagon socket head cap screw interact, can fasten the operation to the screw, and the operation end is located beyond the limited operation space, and the operator does not receive the restriction in operation space when the operation, and easy operation, convenience, zero-activity can improve the efficiency of work greatly, reduce manual work and time cost.
2. The transmission mechanism of the inner hexagonal wrench is driven in a worm and gear mode, the transmission of motion and right-angle conversion of motion directions are realized by utilizing the transmission characteristics of the worm and gear, the required motion conversion and transmission are realized simply by skillfully utilizing the transmission characteristics of the worm and gear in the patent, and the inner hexagonal wrench has the advantages of simplicity, reliability, low cost and easiness in acquisition in the aspect of mechanical structure, and is beneficial to production and processing and acquisition and purchase of related standard parts. In addition, the worm gear has the characteristic of large transmission ratio, so when a large tightening torque is needed during the screw tightening, the transmission device can ensure that when an operator at the operation end inputs a small torque by hands, the execution end can obtain a large tightening torque, and the torque needed by the screw is ensured.
Drawings
Fig. 1 is a schematic perspective view 1 of the present invention;
fig. 2 is a schematic perspective view of the present invention 2;
fig. 3 is a transmission matching diagram of the worm gear of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following specific embodiments, which are illustrative only and not limiting, and the scope of the present invention should not be limited thereby.
An inner hexagonal wrench which can be used in a limited operation space and can be reversed at right angles is disclosed, please refer to fig. 1-3, and the invention points are as follows: mainly comprises a fastening execution end 9, an operation end 1, an intermediate transmission mechanism, a box body 2 and a handle 4.
The fastening execution end can extend into the limited operation space to directly act with the socket head cap screw, the screw is screwed, the fastening execution end is one of key parts in the whole socket head cap wrench, and the movement transmitted by the operation end can be fully executed.
The operating end is located outside the limited working space, and the movement of the whole socket head wrench is started from the part, and the movement of the part directly determines the movement of the actuating end, and also directly determines the operation, tightening or loosening of the screw.
The middle transmission mechanism outputs the power of the operation end to the fastening execution end, and the transmission of the power and the change of the motion direction are realized.
The box body combines the fastening execution end, the operation end and the intermediate transmission mechanism together.
The handle is used for controlling the position of the wrench when the wrench is used, and is used for determining the position of the whole device and keeping the whole device stable.
The middle transmission mechanism is arranged in the box body and is provided with an input shaft end and an output shaft end which respectively extend out of two side walls of the box body and are vertically arranged, so that the right-angle reversing transmission mechanism can be realized. The utility model discloses in, the preferred worm gear drive that adopts of middle drive mechanism, worm wheel 6 and worm 3 are fixed respectively on worm axle 5 and worm-gear shaft 7, and worm axle and worm-gear shaft pass through the rotatable formula of bearing and support on the box lateral wall, and the lateral wall of box is stretched out respectively to the one end of worm axle and the one end of worm-gear shaft, and forms respectively input axle head and output axle head. In addition, the intermediate transmission mechanism can also adopt common transmission mechanisms such as bevel gears and the like which can realize right-angle reversing.
The fastening execution end is arranged outside the box body, the cross section of the fastening execution end is in a regular hexagon shape, and the shape of the fastening execution end is consistent with that of a countersunk hole of a screw head of the socket head cap screw to be fastened; and the fastening execution end is coaxially and drivingly connected with the output shaft end of the intermediate transmission mechanism. The utility model discloses in, the preferred detachable fixed connection of fastening execution end and intermediate drive mechanism's output shaft end, for example, connect etc. through the screw-thread fit who revolves to unanimity with the socket head cap screw who treats the fastening. Adopt detachable fixed connection's advantage to do: the execution end can be replaced according to the type of the socket head cap screw to adapt to the use requirements of socket head cap screws of different types.
The operating end is arranged outside the box body and is coaxially connected with the power input shaft end of the transmission mechanism in a driving way; the utility model discloses in, the preferred action bars structure that adopts of operation end can carry out processing such as annular knurl to the surface of action bars to increase frictional force.
The handle is fixedly arranged outside the side wall of the box body, and is preferably arranged at the same side position with the operating rod.
The box body is composed of a box body and a box cover, the box body is of a square box structure with one side provided with an opening end, and the box cover is fixed at the opening end position of the box body through screws.
Besides the main functional components, the anti-loose and fastening auxiliary device also comprises other auxiliary devices which are mainly anti-loose and fastening standard devices. Such as a gasket, a screw and the like, and realizes the assembly and connection of the whole internal hexagonal wrench.
The operation instruction of the inner hexagonal wrench is as follows:
1) the execution end of the wrench is inserted into the limited operation space by holding the handle by the left hand and is connected with the head of the socket head cap screw, and the handle is stably and tightly held at the moment;
2) the right hand rotates the operating end, the rotation of the turbine shaft is transmitted to the turbine shaft to rotate, and the operating end connected with the worm gear shaft can further drive the socket head cap screw to rotate, so that the socket head cap screw is screwed down;
3) after the inner hexagon screw is screwed, the wrench can be taken out from the operation space, and the subsequent screwing work of the screw can be continued.
Although the embodiments and figures of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and therefore, the scope of the invention is not limited to the disclosure of the embodiments and drawings.
Claims (5)
1. The utility model provides a but be used for limited operation space right angle switching-over allen key which characterized in that: the device comprises a fastening execution end which can extend into a limited operation space and directly acts with an inner hexagon screw, an operation end which is positioned outside the limited operation space, an intermediate transmission mechanism which outputs the power of the operation end to the fastening execution end, and a box body which combines the fastening execution end, the operation end and the intermediate transmission mechanism together;
the middle transmission mechanism is arranged in the box body and is a transmission mechanism capable of realizing right-angle reversing, the middle transmission mechanism is provided with an input shaft end and an output shaft end, and the input shaft end and the output shaft end respectively extend out of two side walls of the box body and are vertically arranged;
the fastening execution end is arranged outside the box body, the cross section of the fastening execution end is in a regular hexagon shape, and the shape of the fastening execution end is consistent with that of a countersunk hole of a screw head of the socket head cap screw to be fastened; the fastening execution end is coaxially connected with the output shaft end of the intermediate transmission mechanism in a driving way;
the operating end is arranged outside the box body and is coaxially connected with the power input shaft end of the transmission mechanism in a driving way;
the box body is characterized by further comprising a handle, wherein the handle is fixedly arranged outside the side wall of the box body.
2. The allen wrench for right-angle reversing in limited working space of claim 1, wherein: the middle transmission mechanism adopts a worm gear and worm transmission mechanism, the worm gear and the worm are respectively fixed on a worm shaft and a worm wheel shaft, the worm shaft and the worm wheel shaft are rotatably supported on the side wall of the box body, one end of the worm shaft and one end of the worm wheel shaft respectively extend out of the side wall of the box body and respectively form the input shaft end and the output shaft end.
3. The allen wrench for right-angle reversing in limited working space of claim 1, wherein: the operating end adopts an operating rod structure.
4. The allen wrench for right-angle reversing in limited working space of claim 1, wherein: the fastening execution end is detachably and fixedly connected with the output shaft end of the intermediate transmission mechanism.
5. The allen wrench for right-angle reversing in limited working space of claim 1, wherein: the box body is composed of a box body and a box cover, the box body is of a square box structure with one side provided with an opening end, and the box cover is fixed at the opening end position of the box body through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022481399.3U CN214643203U (en) | 2020-10-30 | 2020-10-30 | Internal hexagonal wrench capable of reversing at right angle for limited operation space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022481399.3U CN214643203U (en) | 2020-10-30 | 2020-10-30 | Internal hexagonal wrench capable of reversing at right angle for limited operation space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214643203U true CN214643203U (en) | 2021-11-09 |
Family
ID=78444779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022481399.3U Active CN214643203U (en) | 2020-10-30 | 2020-10-30 | Internal hexagonal wrench capable of reversing at right angle for limited operation space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214643203U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115256287A (en) * | 2022-07-27 | 2022-11-01 | 国家管网集团川气东送天然气管道有限公司 | Multifunctional wrench |
-
2020
- 2020-10-30 CN CN202022481399.3U patent/CN214643203U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115256287A (en) * | 2022-07-27 | 2022-11-01 | 国家管网集团川气东送天然气管道有限公司 | Multifunctional wrench |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113059533B (en) | Linkage spinning device | |
| CN214643203U (en) | Internal hexagonal wrench capable of reversing at right angle for limited operation space | |
| CN211466177U (en) | Open spanner | |
| CN201998114U (en) | Handheld type fixed-torque electric wrench | |
| CN203221440U (en) | All-round wrench | |
| CN104875156B (en) | A kind of along inverse double-action type ratchet spanner | |
| CN210132438U (en) | a grip wrench | |
| CN207206296U (en) | A kind of electric wrench torque transmitter | |
| CN110682241B (en) | A mechanical torque wrench | |
| CN202742273U (en) | Novel bidirectional acting ratchet wrench | |
| CN104175259A (en) | Novel fastener wrench | |
| CN104209912A (en) | Electric auxiliary wrench | |
| CN211029792U (en) | A new type of mechanical torque wrench | |
| CN202528112U (en) | Bi-service screw driver | |
| CN112621637A (en) | Fastening auxiliary tool for small-sized table body semi-closed space screw | |
| WO2019068226A1 (en) | Tool for screwing screws for automobile | |
| CN211992700U (en) | Quick screwdriver | |
| CN208961888U (en) | Spanner | |
| CN203426918U (en) | Spanner | |
| CN210361087U (en) | Direction-changing socket wrench | |
| CN207309820U (en) | A kind of efficient mechanical maintenance unit | |
| CN207901019U (en) | Screwdriver | |
| CN111843901A (en) | Portable electric power transmission tower overhauls device | |
| CN219521937U (en) | Screw screwing device | |
| CN221186305U (en) | Small-space screw fastening device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |