CN211916715U - Dismounting device of nut in confined space - Google Patents
Dismounting device of nut in confined space Download PDFInfo
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- CN211916715U CN211916715U CN202020496549.5U CN202020496549U CN211916715U CN 211916715 U CN211916715 U CN 211916715U CN 202020496549 U CN202020496549 U CN 202020496549U CN 211916715 U CN211916715 U CN 211916715U
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- transmission
- limited space
- dismounting
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- 230000001105 regulatory effect Effects 0.000 claims description 16
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 240000009087 Crescentia cujete Species 0.000 description 1
- 235000005983 Crescentia cujete Nutrition 0.000 description 1
- 235000009797 Lagenaria vulgaris Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
A dismounting device for a nut in a limited space comprises a gear completion device and a gear driving device; the gear completion device comprises more than two splicing bodies with grooves and/or bulges, the radial outer side surfaces of the splicing bodies are in a gear shape after the splicing bodies are connected, and hexagonal prism-shaped through holes matched with nuts to be disassembled are formed at the axial centers of the radial inner sides of the splicing bodies after the splicing bodies are connected in a matching way through the grooves and the bulges; the gear driving device comprises a speed reducing motor, a transmission rod and a transmission gear, wherein one end of the transmission rod is connected to the speed reducing motor, the speed reducing motor is used for driving the transmission rod to rotate, and the other end of the transmission rod is coaxially connected with the center of the transmission gear and drives the transmission gear to rotate; the transmission gear is meshed with the radial outer side face of the spliced gear completion device. The utility model has the advantages of simple and reasonable structure, long service life, low in manufacturing cost, it is easy and simple to handle, can improve the handling efficiency of fast loading and unloading nut in restricted space by a wide margin.
Description
Technical Field
The utility model belongs to the technical field of the nut handling instrument, concretely relates to dismounting device of nut in restricted space.
Background
When the nut is replaced in a narrow and limited space, the conventional nut assembling and disassembling tool is difficult to complete due to the limitation of the operation space, the size, the angle and the like of the nut assembling and disassembling tool.
If on the fire extinguisher commonly used, the nut of connecting manometer and jar body is in the slit that manometer and fire extinguisher handle formed, and this position space is very narrow, and current nut handling instrument is difficult to operate here. When the pressure gauge of the fire extinguisher is replaced, the sleeve cannot be used, and the space is narrow, so that the existing hexagonal nut assembling and disassembling tool such as a common wrench is difficult to enter the area due to the large size of the head of the wrench. And the existing tool has longer handle, when the nut is assembled and disassembled, the rotation of the handle can be blocked by the fire extinguisher tank body and the handle, and the rotation angle is very limited. Therefore, when such a nut in a limited space is attached and detached by using the conventional nut attaching and detaching tool, the implementation difficulty is large and the work efficiency is low.
Patent document CN201520530988.2 discloses a separate hexagonal nut dismounting device. The device has solved the problem that general hexagon nut spanner can not change hose or hose interface in narrow space. The device comprises two symmetrical splicing bodies, each splicing body is provided with a joint plane, clamping grooves with inverted trapezoidal sections are axially arranged on the joint plane, and the clamping grooves jointly form a hexagonal cavity after the two splicing bodies are spliced. The utility model discloses an advantage has satisfied the needs of changing hexagon nut in flat narrow structure object space, uses when changing hexagon nut operation on the flat narrow space between the water tank of specially adapted kitchen, bathroom wait position and the wall body, but its work efficiency is low, to the completion that the dismouting in batches can not be fine.
Therefore, a new dismounting device for the nut in the limited space needs to be designed.
Disclosure of Invention
An object of the utility model is to provide a dismounting device of nut in restricted space to solve the problem that the general nut spanner that provides in the background art can not change the nut in narrow space.
In order to achieve the purpose, the utility model provides a dismounting device of a nut in a limited space, which comprises a gear complementing device and a gear driving device; the gear completion device comprises more than two splicing bodies with grooves and/or bulges, the radial outer side surfaces of the splicing bodies are in a gear shape after being connected, and hexagonal prism-shaped through holes matched with nuts to be disassembled are formed at the axial centers of the radial inner sides of the splicing bodies after the splicing bodies are connected in a matching way through the grooves and the bulges; the gear driving device comprises a speed reducing motor, a transmission rod and a transmission gear, wherein one end of the transmission rod is connected to the speed reducing motor, the speed reducing motor is used for driving the transmission rod to rotate, and the other end of the transmission rod is coaxially connected with the center of the transmission gear and drives the transmission gear to rotate; the transmission gear is meshed with the radial outer side face of the spliced gear completion device.
In a specific embodiment, each split body is provided with two through connecting holes along the axial direction, and the gear completion device further comprises a connecting piece which is used for penetrating through the connecting holes and used for reinforcing the connection relationship between the fixed split bodies.
In a specific implementation mode, the dismounting device of the nut in the limited space is a dismounting device of the nut for the fire extinguisher, the dismounting device of the nut in the limited space further comprises a position fixing device, the position fixing device comprises a support, a clamping ring and a fastening knob, the support is arranged below the gear driving device and used for supporting the gear driving device, the clamping ring is arranged between the upper end and the lower end of the support and used for fixing a fire extinguisher tank body, and the fastening knob is arranged on the clamping ring and used for fastening the clamping ring.
In a specific embodiment, the position fixing device further comprises a base, wherein the base is arranged below the bracket, is used for being fixedly connected with the bracket and is also used for bearing a fire extinguisher tank body; the base and the support are made of metal materials.
In a specific embodiment, the gear driving device further comprises a speed regulating switch for regulating the output rotation speed of the gear driving device, and the speed regulating switch is arranged on the speed reducing motor.
In a specific embodiment, the speed regulating switch is a knob speed regulating switch.
In a particular embodiment, the gear drive further comprises a battery for powering the gear motor.
In a specific embodiment, the battery is a lithium battery.
In a specific embodiment, the transmission gear is meshed with the spliced gear completion device to form a conical gear transmission or a staggered shaft helical gear transmission; when the transmission of the conical gear is formed, the transmission gear and the spliced gear completion device are both conical gears; when the transmission of the crossed shaft helical gear is formed, the transmission gear and the spliced gear completion device are helical gears.
In a specific embodiment, the number of teeth of the transmission gear is smaller than the number of teeth of the assembled gear completion device.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model has the advantages of simple and reasonable structure, long service life, low in manufacturing cost, it is easy and simple to handle, can improve the handling efficiency of fast loading and unloading nut in restricted space by a wide margin.
The utility model discloses a stable relative position between gear completion device 1 and gear drive 2 has been built to position fixing device 3 to make the nut dismantle the atress that in-process gear drive 2 can be better.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic cross-sectional view of a composite body according to an embodiment of the present invention;
fig. 2 is a schematic view of a gear completion apparatus according to an embodiment of the present invention;
FIG. 3 is a connector according to an embodiment of the present invention;
fig. 4 is a front view of a gear drive and position fixing device according to an embodiment of the present invention;
fig. 5 is a left side view of the gear drive and position fixing device of an embodiment of the present invention;
fig. 6 is a top view of a gear drive and position fixing device according to an embodiment of the present invention;
wherein, 1, a gear completion device; 2. a gear drive; 3. a position fixing device; 11. a piecing body; 12. a connecting member; 111. connecting holes; 21. a reduction motor; 22. a transmission rod; 23. a transmission gear; 24. a speed regulating switch; 25. a battery; 31. a support; 32. a snap ring; 33. fastening a knob; 34. a base.
Detailed Description
The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Example 1
The utility model provides a dismounting device for a nut in a limited space, which comprises a gear completion device 1 and a gear driving device 2; the gear completion device 1 comprises more than two split bodies 11 with grooves and/or bulges, the radial outer side surfaces of the split bodies 11 are in a gear shape after being connected, and after the more than two split bodies 11 are connected in a matching way through the grooves and the bulges, hexagonal prism-shaped through holes matched with nuts to be disassembled are formed at the axial centers of the radial inner sides of the split bodies 11; the gear driving device 2 comprises a speed reducing motor 21, a transmission rod 22 and a transmission gear 23, one end of the transmission rod 22 is connected to the speed reducing motor 21, the speed reducing motor 21 is used for driving the transmission rod 22 to rotate, and the other end of the transmission rod 22 is coaxially connected with the center of the transmission gear 23 and drives the transmission gear 23 to rotate; the transmission gear 23 is meshed with the radial outer side surface of the spliced gear completion device 1. The splicing bodies are spliced into a whole due to the grooves and the bulges which are designed in a matching way and the friction force of the splicing between the grooves and the bulges. The thickness of the groove and the bulge on the split body is smaller than that of the split body.
The utility model discloses in, the external diameter that is used for connecting the nut of the manometer on the fire extinguisher and jar body to treat the nut of dismantling promptly is less than the diameter of manometer, leads to manometer and nut junction to be the calabash shape of deformation, therefore gear completion device 1 must set up to the form of the body 11 of piecing together more than two, just can make its hexagonal prism form through-hole cover establish on the nut.
The utility model has the advantages of simple and reasonable structure, long service life, low in manufacturing cost, it is easy and simple to handle, can improve the handling efficiency of fast loading and unloading nut in restricted space by a wide margin. The mode that the motor drives the gear and then drives the nut to rotate is not only effective and reliable but also time-saving and labor-saving.
In a specific embodiment, each of the split bodies is provided with two through connection holes 111 along the axial direction, and the gear completion device 1 further comprises a connecting member 12 for passing through the connection holes 111 and for reinforcing the connection relationship between the fixed split bodies. When two splicing bodies are adopted, two connecting pieces are arranged, the bolt of each connecting piece is inserted into the connecting holes 111 of the two different splicing bodies respectively, and the connection between the splicing bodies is reinforced. The connecting piece can also be replaced by a metal wire, and an iron wire is preferred, so that the cost performance is higher.
In a specific embodiment, the dismounting device of the nut in the limited space is a dismounting device of the nut for the fire extinguisher, the dismounting device of the nut in the limited space further comprises a position fixing device 3, the position fixing device 3 comprises a support 31, a clamping ring 32 and a fastening knob 33, the support 31 is arranged below the gear driving device 2 and is used for supporting the gear driving device 2, the clamping ring 32 is arranged between the upper end and the lower end of the support 31 and is used for fixing a fire extinguisher tank body, and the fastening knob 33 is arranged on the clamping ring 32 and is used for fastening the clamping ring 32. The stable relative position between the gear completion device 1 and the gear driving device 2 is established through the position fixing device 3, so that the gear driving device 2 can be stressed better in the nut dismounting process. Especially, the nut is arranged in a flat and narrow space aiming at the connecting position of a fire extinguisher pressure gauge and a fire extinguisher tank body on a fire extinguisher, the gear driving device 2 can conveniently drive the gear supplementing device 1 by fixing the fire extinguisher tank body through the snap ring 32, and then the nut is disassembled.
In a specific embodiment, the position fixing device 3 further comprises a base 34, wherein the base 34 is arranged below the bracket 31 and is used for being fixedly connected with the bracket 31 and also used for carrying a fire extinguisher tank; the base 34 and the bracket 31 are made of metal materials. The metal base can make the dismounting device gravity center of the nut in the whole limited space more stable, and reduces the influence of the operation environment on the dismounting process.
In a specific embodiment, the gear driving device 2 further comprises a speed regulating switch 24 for regulating the output rotation speed of the gear driving device 2, and the speed regulating switch 24 is arranged on the speed reducing motor 21. Similar to the speed regulation switch of the fan, the output rotating speed of the speed reduction motor 21 is controlled, so that an operator can flexibly operate the gear driving device 2 to disassemble and assemble the nut, and the conditions that the efficiency is influenced by too slow rotating speed and the gear complementing device 1 is damaged by too fast rotating speed can be avoided.
In one specific embodiment, the speed control switch 24 is a rotary speed control switch.
In a particular embodiment, the gear drive 2 further comprises a battery 25 for powering the gear motor. The battery power supply mode can effectively reduce the requirements of the use environment and improve the application range.
In one specific embodiment, the battery 25 is a lithium battery.
In a specific embodiment, the transmission gear 23 is meshed with the spliced gear completion device 1 to form a conical gear transmission or a staggered shaft helical gear transmission; when the conical gear transmission is formed, the transmission gear 23 and the spliced gear completion device 1 are both conical gears; when the staggered shaft helical gear transmission is formed, the transmission gear 23 and the spliced gear completion device 1 are helical gears. The direction of the rotation stress can be changed by adopting conical gear transmission or staggered shaft helical gear transmission, so that convenience is provided for operation in a narrow space, and the force transmission is more reasonable.
In a specific embodiment, the number of teeth of the transmission gear 23 is smaller than the number of teeth of the completed gear wheel 1. The design ensures that the rotating speed of the spliced gear completion device 1 is lower than that of the transmission gear 23, and the operation and the control are more convenient.
Taking the example of disassembling a nut of a pressure gauge of a dry powder fire extinguisher, the specification of the nut on the pressure gauge of the fire extinguisher is generally M10X1, the standard size thickness of the nut is 6mm, the length of the opposite side is 16mm, the length of the opposite side is 17.6mm, the diameter of the thread bottom is 10mm, the inner diameter is 8.25-8.3 mm, and the screwing torque range of the nut of the specification is 46-79 Nm. The two split bodies are split together from the two sides of the pressure gauge nut, so that the hexagonal prism-shaped through hole in the middle of the split bodies clamps the hexagonal nut. And then, the connecting piece penetrates through the connecting holes in the two different splicing bodies respectively to reinforce the connection between the two splicing bodies, so that the two splicing bodies are connected together, and the firm connection is ensured. Then the fire extinguisher is placed on the base, the bottle body is hooped by the snap ring, the fastening knob is screwed, the speed reducing motor is started, the speed regulating switch is used for regulating the rotating speed of the speed reducing motor to a proper rotating speed, the speed reducing motor drives the transmission gear at the top end of the transmission rod to rotate, and the quick assembly and disassembly of the nut of the fire extinguisher pressure gauge can be realized by engaging the gear completion device.
The foregoing is a more detailed description of the invention, taken in conjunction with the specific preferred embodiments, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions and replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (10)
1. The dismounting device for the nut in the limited space is characterized by comprising a gear completion device (1) and a gear driving device (2); the gear completion device (1) comprises more than two splicing bodies (11) with grooves and/or bulges, the radial outer side surfaces of the splicing bodies (11) are in a gear shape after being connected, and after the more than two splicing bodies (11) are connected in a matching way through the grooves and the bulges, hexagonal prism-shaped through holes matched with nuts to be disassembled are formed in the axial centers of the radial inner sides of the splicing bodies (11); the gear driving device (2) comprises a speed reducing motor (21), a transmission rod (22) and a transmission gear (23), one end of the transmission rod (22) is connected to the speed reducing motor (21), the speed reducing motor (21) is used for driving the transmission rod (22) to rotate, and the other end of the transmission rod (22) is coaxially connected with the center of the transmission gear (23) and drives the transmission gear (23) to rotate; the transmission gear (23) is meshed with the radial outer side surface of the spliced gear completion device (1).
2. The dismounting device for the nut in the limited space according to claim 1, wherein each split body is provided with two through connection holes (111) along the axial direction, and the gear completion device (1) further comprises a connecting piece (12) for passing through the connection holes (111) and for strengthening the connection relationship between the fixed split bodies.
3. The dismounting device of the nut in the limited space according to claim 1, characterized in that the dismounting device of the nut in the limited space is a dismounting device of the nut for the fire extinguisher, the dismounting device of the nut in the limited space further comprises a position fixing device (3), the position fixing device (3) comprises a bracket (31), a snap ring (32) and a fastening knob (33), the bracket (31) is arranged below the gear driving device (2) and used for supporting the gear driving device (2), the snap ring (32) is arranged between the upper end and the lower end of the bracket (31) and used for fixing a tank body of the fire extinguisher, and the fastening knob (33) is arranged on the snap ring (32) and used for fastening the snap ring (32).
4. The dismounting device of the nut in the confined space according to claim 3, characterized in that the position fixing device (3) further comprises a base (34), the base (34) is arranged below the bracket (31) for being fixedly connected with the bracket (31) and is also used for carrying a fire extinguisher tank; the base (34) and the bracket (31) are both made of metal materials.
5. The dismounting device of the nut in the limited space according to claim 1, wherein the gear driving device (2) further comprises a speed regulating switch (24) for regulating the output rotating speed of the gear driving device (2), and the speed regulating switch (24) is arranged on the speed reducing motor (21).
6. The dismounting device for the nut in the limited space according to claim 5, wherein the speed regulating switch (24) is a knob speed regulating switch.
7. Device for the removal of a nut from a confined space according to claim 1, characterised in that said gear drive (2) also comprises a battery (25) for powering a reduction motor.
8. The dismounting device for nuts in confined spaces according to claim 7, characterized in that said battery (25) is a lithium battery.
9. The dismounting device for the nut in the limited space according to claim 1, wherein the transmission gear (23) is meshed with the spliced gear completion device (1) to form a conical gear transmission or a crossed helical gear transmission; when the conical gear transmission is formed, the transmission gear (23) and the spliced gear completion device (1) are both conical gears; when the staggered shaft helical gear transmission is formed, the transmission gear (23) and the spliced gear completion device (1) are helical gears.
10. The dismounting device for the nut in the limited space according to claim 1, wherein the number of teeth of the transmission gear (23) is less than that of the assembled gear complementing device (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020496549.5U CN211916715U (en) | 2020-04-08 | 2020-04-08 | Dismounting device of nut in confined space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020496549.5U CN211916715U (en) | 2020-04-08 | 2020-04-08 | Dismounting device of nut in confined space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211916715U true CN211916715U (en) | 2020-11-13 |
Family
ID=73374624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020496549.5U Expired - Fee Related CN211916715U (en) | 2020-04-08 | 2020-04-08 | Dismounting device of nut in confined space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211916715U (en) |
-
2020
- 2020-04-08 CN CN202020496549.5U patent/CN211916715U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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Granted publication date: 20201113 |