CN220850464U - Flexible coupling and impact drill thereof - Google Patents
Flexible coupling and impact drill thereof Download PDFInfo
- Publication number
- CN220850464U CN220850464U CN202322695363.9U CN202322695363U CN220850464U CN 220850464 U CN220850464 U CN 220850464U CN 202322695363 U CN202322695363 U CN 202322695363U CN 220850464 U CN220850464 U CN 220850464U
- Authority
- CN
- China
- Prior art keywords
- central shaft
- flexible coupling
- movable
- fixedly connected
- shaft
- 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
- 230000008878 coupling Effects 0.000 title claims abstract description 41
- 238000010168 coupling process Methods 0.000 title claims abstract description 41
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 41
- 238000009434 installation Methods 0.000 claims abstract description 22
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 238000009527 percussion Methods 0.000 claims description 22
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 230000035515 penetration Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000005553 drilling Methods 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 230000008602 contraction Effects 0.000 abstract description 3
- 239000011449 brick Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Landscapes
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Earth Drilling (AREA)
Abstract
The utility model provides a flexible coupling. The flexible coupling includes: the installation head is installed in one end of one half of the flange plates, the other half of the flange plates are fixedly connected with a connecting shaft, the other end of the connecting shaft is installed at one end of a first central shaft through a connecting bolt, slots are formed in two ends of the first central shaft, a first positioning disc is installed outside the first central shaft through a movable tube, and four fixing rings are installed at one end of the first positioning disc in a penetrating mode. According to the flexible coupling and the impact drill thereof, the first central shaft and the second central shaft can be adjusted at multiple angles through the first connecting block in the working process, so that the drill bit can conveniently perform multi-angle operation, meanwhile, the stability and the supportability of the connecting position of the first central shaft and the second central shaft are improved through the expansion and the contraction of the first telescopic rod and the second telescopic rod, and the device is beneficial to providing enough force for the drill bit and improving the drilling efficiency.
Description
Technical Field
The utility model relates to the technical field of flexible shaft connectors, in particular to a flexible shaft connector and a percussion drill thereof.
Background
The impact electric drill is mainly used for rotary cutting and has an impact mechanism which depends on the thrust of an operator to produce impact force, is used for electric tools for drilling holes on materials such as bricks, building blocks, light walls and the like, can be used for natural stones or concrete, is universal, and is a basic electric tool which is worthy of selection for professionals and operators because the impact electric drill can be used in a single drilling mode or an impact drilling mode.
When the percussion drill is used in a narrow or angled position, a drill bit with a corresponding length is selected according to requirements, and then the percussion drill is installed on the percussion drill, and the drill bit is generally straight, and if the percussion drill works in a narrow and angled position, the percussion drill needs to work with a flexible coupling capable of performing angle adjustment.
The existing flexible coupling is mainly used for disassembling and assembling bolts, the stress is small, the stability and the supportability of the connecting position are poor, the drill bit is inconvenient to carry and extends to a position where drilling is needed, the stress of the drill bit can be affected when the flexible coupling drives the drill bit to rotate, and the drilling efficiency is reduced.
Accordingly, there is a need to provide a flexible coupling and a percussion drill thereof that address the above-described problems.
Disclosure of utility model
The utility model provides a flexible coupling and a percussion drill thereof, which solve the problems that the existing flexible coupling has small stress on a working object, so that the extension distance of a drill bit is limited due to poor connection and stability, and the stress of the drill bit is influenced in the drilling process, so that the drilling efficiency is reduced.
In order to solve the above technical problems, the flexible coupling and the impact drill thereof provided by the present utility model comprise: a flange plate and a percussion drill;
The mounting head is mounted at one end of one half of the flange plate, the other half of the flange plate is fixedly connected with a connecting shaft, the other end of the connecting shaft is mounted at one end of a first central shaft through a connecting bolt, slots are formed in two ends of the first central shaft, a first positioning disc is mounted outside the first central shaft through a movable pipe, four fixing rings are mounted at one end of the first positioning disc in a penetrating manner, mounting pipes are fixedly connected to inner rings of the four fixing rings, first telescopic rods are slidably connected to the inner parts of the four mounting pipes, movable buckles are fixedly connected to the extending ends of the first telescopic rods, and second connecting blocks are mounted at the other ends of the movable buckles through the connecting bolts;
The second center shaft is installed in the position of the other side of the outside of the first connecting block through the connecting bolt, the second positioning disc is installed on the outside of the second center shaft through the movable pipe, one end of the second positioning disc, which is close to the first positioning disc, is connected with four installation pipes in a penetrating manner through four fixing rings, the inside of the four installation pipes is connected with a second telescopic rod in a sliding manner, the extending end of the second telescopic rod is installed at the position of the other side of the outside of the second connecting block through the movable buckle and the connecting bolt, the flange plate is divided into two halves and connected together through bolts, the connecting shaft is folded inside a slot at one end of the first center shaft, the angle adjustment can be performed inside, the structures on the first center shaft and the second center shaft are identical, the extending ends of the first telescopic rod and the second telescopic rod are adjacent and are connected together through the second connecting block, one first center shaft and the second center shaft are in a group, the corresponding groups are installed according to the drilling position requirements, the first center shaft and the second center shaft form a complete flexible connector, and the first center shaft and the second center shaft are folded and the second telescopic rod are all adjustable.
Preferably, the other end of the second central shaft is provided with a drill bit, the other end of the other half of the flange plates is provided with a soft sleeve, the soft sleeve is wrapped on the whole flexible coupling, and the drill bit and the second central shaft can be connected through the flange plates.
Preferably, the soft sleeve comprises connecting rings and folding layers, the folding layers are made of soft rubber materials, one folding layer is arranged between the two connecting rings, and the length of the soft sleeve is spliced according to the requirement.
Preferably, each group of the installation pipes are fixedly connected with a limiting disc outside the installation pipes, the limiting disc is fixedly connected to the outside of the movable pipe, the four installation pipes are in a group, the four installation pipes are respectively installed outside the first central shaft and the second central shaft through the movable pipe, the specific positions can be referred to as fig. 2, and the inside of the movable pipe is hollow and is internally provided with a limiting structure, so that the movable pipe can be matched with the clamping strips and the clamping grooves.
Preferably, each group of installation pipes is provided with a connecting buckle at one end opposite to each other, the two ends of the second central shaft are also provided with slots, the connecting buckle can connect the adjacent group of installation pipes, and the whole flexible shaft connector can vertically drill holes.
Preferably, one end of the first central shaft is fixedly connected with a movable rod, the other end of the movable rod is fixedly connected with a limiting block, and the limiting disc arranged outside the first central shaft and capable of adjusting the length can move but not rotate, so that the limiting disc can move but not rotate outside the mounting pipe and the movable pipe.
Preferably, the outside of stopper has the loop bar through movable groove sliding connection, the outside of stopper is all fixedly connected with fixture block in one side of being on the back mutually, the slot has also been seted up to the other end of loop bar, and movable groove and one end have been seted up to the inside of loop bar are run through.
Preferably, one end fixedly connected with backing plate of movable groove inner wall, the one end fixedly connected with supporting spring of backing plate, the other end fixed connection of supporting spring is in the bottom of stopper.
Preferably, the sliding rails are all provided on one side of the inner wall of the movable groove, the clamping rails are all provided on one side of the sliding rails, the clamping rails are T-shaped, one vertical side of the T-shape is the same as one side of the inner wall of the sliding rail, and referring to fig. 7, the clamping blocks slide in the sliding rails to adjust the extension length of the movable rod.
Preferably, a percussion drill, comprising: a lithium battery, a handle, a rotating head, and the flexible coupling according to any one of claims 1 to 9, wherein the other end of the rotating head is fixed to the mounting head by a mounting buckle.
Compared with the related art, the flexible coupling and the impact drilling tool thereof provided by the utility model have the following beneficial effects:
The utility model provides a flexible coupling and a percussion drill thereof, when the percussion drill needs to drill a position with smaller space or an angle, a first central shaft is firstly installed together through a movable pipe, a limiting disc and a first positioning disc, the first central shaft can move in the movable pipe, meanwhile, the limiting disc and the first positioning disc can keep a fixed distance through the limit of an installation tube, then a first connecting block is installed in a slot at one end of the first central shaft through a connecting bolt, the other end of the connecting block is installed in a slot at one end of a second central shaft through the connecting bolt, the second central shaft and the first central shaft can be connected together, the structures on the second central shaft and the first central shaft are the same, and only four first telescopic rods and movable buckles at the extending ends of the four second telescopic rods are connected together through the second connecting block, the flexible shaft connector can be assembled into a section, the corresponding length is assembled according to the required length, the other end of the first central shaft is only required to be connected with the connecting shaft provided with the flange plate after the assembly is completed, the flange plate is connected with the mounting head, the mounting head is mounted on the mounting buckle of the impact drill, the drill bit is connected with the other end of the flexible shaft connector, the drill hole can be started, the first central shaft and the second central shaft can be adjusted at multiple angles through the first connecting block in the working process, the drill bit can conveniently perform multiple angle operation, meanwhile, the stability and the supportability of the connecting position of the first central shaft and the second central shaft are increased through the expansion and contraction of the first telescopic rod and the second telescopic rod, the device is favorable for providing enough force for the drill bit, and the drilling efficiency is improved.
Drawings
FIG. 1 is a schematic view of a first embodiment of a flexible coupling and a hammer drill according to the present utility model;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a schematic view of a folding layer movable buckle according to the present utility model;
FIG. 4 is a schematic view of a folded layer structure provided by the present utility model;
FIG. 5 is a schematic view of a second embodiment of a flexible coupling and a hammer drill according to the present utility model;
FIG. 6 is a schematic view of a support spring according to the present utility model;
Fig. 7 is a schematic view of a construction of a percussion drill according to the present utility model.
Reference numerals in the drawings: 1. lithium battery, 2, drill bit, 3, percussion drill, 4, installation head, 5, flange, 6, soft sleeve, 7, installation button, 8, rotation head, 9, handle, 10, movable shaft, 11, first center shaft, 12, installation tube, 13, limit plate, 14, first positioning plate, 15, first telescopic link, 16, second telescopic link, 17, second positioning plate, 18, second center shaft, 19, movable tube, 20, first connecting block, 21, connecting bolt, 22, slot, 23, movable button, 24, second connecting block, 25, connecting button, 26, connecting ring, 27, folding layer, 28, movable rod, 29, loop bar, 30, movable slot, 31, limit block, 32, support spring, 33, support piece, 34, slide rail, 35, clamping rail, 36, clamping block, 37, and fixed ring.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1, fig. 2, fig. 3, and fig. 4 in combination, fig. 1 is a schematic structural diagram of a flexible coupling and a percussion drill thereof according to a first embodiment of the present utility model; FIG. 2 is an enlarged view of FIG. 1 at A; FIG. 3 is a schematic view of a folding layer movable buckle according to the present utility model; fig. 4 is a schematic structural view of a folded layer according to the present utility model. The flexible coupling and the impact drill thereof comprise: a flange 5 and a percussion drill;
The mounting head 4 is mounted at one end of one half of the flange plate 5, the other half of the flange plate 5 is fixedly connected with the connecting shaft 10, the other end of the connecting shaft 10 is mounted at one end of the first central shaft 11 through the connecting bolt 21, the two ends of the first central shaft 11 are provided with the slots 22, the outside of the first central shaft 11 is provided with the first positioning disk 14 through the movable pipe 19, one end of the first positioning disk 14 is provided with four fixed rings 37 in a penetrating manner, the inner rings of the four fixed rings 37 are fixedly connected with the mounting pipes 12, the inner parts of the four mounting pipes 12 are fixedly connected with the first telescopic rods 15 in a sliding manner, the extending ends of the first telescopic rods 15 are fixedly connected with the movable buckles 23, and the other ends of the movable buckles 23 are provided with the second connecting blocks 24 through the connecting bolts 21;
the second center shaft 18 is arranged at the position of the other side of the first connecting block 20 through a connecting bolt 21, a second positioning disc 17 is arranged outside the second center shaft 18 through a movable tube 19, one end of the second positioning disc 17, which is close to the first positioning disc 14, is connected with four mounting pipes 12 in a penetrating manner through four fixing rings 37, the inside of the four mounting pipes 12 is also connected with a second telescopic rod 16 in a sliding manner, the extending end of the second telescopic rod 16 is arranged at the position of the other side of the outside of the second connecting block 24 through a movable buckle 23 and the connecting bolt 21, the flange 5 is divided into two halves and connected together through bolts, the connecting shaft 10 is folded inside a slot 22 arranged at one end of the first center shaft 11, the angle adjustment can be carried out inside the first center shaft 11 and the second center shaft 18, the extending ends of the first telescopic rod 15 and the second telescopic rod 16 are adjacent, the first center shaft 11 and the second center shaft 18 are connected together through a second connecting block 24, the extending ends of the first center shaft 11 and the second center shaft 18 are arranged at the positions corresponding to the first center shaft 11 and the second center shaft 18, the first center shaft 11 and the second center shaft 18 can be adjusted in a multi-angle manner, and the whole flexible center shaft 11 and the second center shaft 18 can be adjusted in a whole set, and the flexible center shaft 11 and the flexible connector can be adjusted along with the first center shaft and the second center shaft 18 are adjusted.
The drill bit 2 is installed at the other end of the second central shaft 18, the other half of the flange plates 5 are provided with soft sleeves 6, the soft sleeves 6 are wrapped on the whole flexible coupling, and the drill bit 2 and the second central shaft 18 can be connected through the flange plates 5 or connected together through the mounting heads 4.
The soft sleeve 6 comprises connecting rings 26 and folding layers 27, the folding layers 27 are made of soft rubber materials, one folding layer 27 is arranged between the two connecting rings 26, the length of the soft sleeve 6 is spliced according to the requirement, and the connecting rings 26 can be connected by magnet adsorption.
Each group of installation pipes 12 is fixedly connected with a limiting disc 13 outside, the limiting discs 13 are fixedly connected to the outside of the movable pipe 19, the four installation pipes 12 are in one group, the four installation pipes are respectively installed outside the first central shaft 11 and the second central shaft 18 through the movable pipe 19, the specific positions can be refer to fig. 2, the inside of the movable pipe 19 is hollow, a limiting structure is arranged inside the movable pipe 19, and the movable pipe can be matched with a clamping strip and a clamping groove, so that the first central shaft 11 and the second central shaft 18 slide left and right but cannot rotate.
The connecting buckles 25 are installed at the opposite ends of each group of installation pipes 12, the slots 22 are also formed at the two ends of the second central shaft 18, the connecting buckles 25 can connect the adjacent groups of installation pipes 12, the whole flexible shaft connector can be vertically drilled, and the connecting buckles 25 can be detached and installed when in use if not required.
The flexible coupling and the impact drill provided by the utility model have the following working principles:
The first central shaft 11 is firstly installed together through the movable pipe 19, the limiting disc 13 and the first positioning disc 14, the first central shaft 11 can move in the movable pipe 19, meanwhile, the limiting disc 13 and the first positioning disc 14 can be kept at a fixed distance through the limitation of the installation pipe 12, then the first connecting block 20 is installed in the slot 22 through the connecting bolt 21 in the slot 22 at one end of the first central shaft 11, the other end of the connecting block 20 is installed in the slot 22 at one end of the second central shaft 18 through the connecting bolt 21, the second central shaft 18 and the first central shaft 11 can be connected together, the movable buckles 23 at the extending ends of the four first telescopic rods 15 and the four second telescopic rods 16 are connected together through the second connecting block 24, a section of the flexible connecting shaft connector can be formed, only the corresponding length is required to be assembled according to the required length, after the assembly is completed, the other end of the first central shaft 11 and the connecting shaft 10 provided with the flange disc 5 are connected together, the flange disc 5 and the mounting head 4 are connected, the mounting head 4 is installed on the connecting block 7, the flexible drill bit 2 can be connected with the first central shaft 2 through the multi-angle impact drill bit 3, and the first drill bit 2 can be conveniently connected with the first central shaft 2 at the first angle.
Compared with the related art, the flexible coupling and the impact drilling tool thereof provided by the utility model have the following beneficial effects:
When the impact drill needs to drill holes in a small space or an angle, the first central shaft 11 is firstly installed together through the movable pipe 19, the limiting disc 13 and the first positioning disc 14, the first central shaft 11 can move in the movable pipe 19, meanwhile, the limiting disc 13 and the first positioning disc 14 can keep a fixed distance through the limit of the installation pipe 12, then the inside of the slot 22 at one end of the first central shaft 11 is provided with the first connecting block 20 in the inside of the slot 22 through the connecting bolt 21, the other end of the connecting block 20 is installed in the inside of the slot 22 at one end of the second central shaft 18 through the connecting bolt 21, the second central shaft 18 and the first central shaft 11 can be connected together, the structures on the second central shaft 18 and the first central shaft 11 are the same, only the movable buckles 23 at the extending ends of the four first telescopic rods 15 and the four second telescopic rods 16 are connected together through the second connecting block 24, the flexible shaft coupler can be formed into a section, the corresponding length is assembled according to the required length, after the assembly is completed, the other end of the first central shaft 11 and the connecting shaft 10 provided with the flange 5 are connected together, the flange 5 is connected with the mounting head 4, the mounting head 4 is mounted on the mounting buckle 7 of the impact drill 3, the drill hole can be started after the other end of the drill bit 2 and the flexible shaft coupler are connected, the first central shaft 11 and the second central shaft 18 can be adjusted at multiple angles through the first connecting block 20 in the working process, the drill bit 2 can conveniently perform multi-angle operation, meanwhile, the stability and the supportability of the connecting position of the first central shaft 11 and the second central shaft 18 are increased through the expansion and the contraction of the first telescopic rod 15 and the second telescopic rod 16, by means of which it is advantageous to provide sufficient force to the drill bit 2, which is advantageous to improve the drilling efficiency.
Second embodiment
Referring to fig. 5-6-7, fig. 5 is a schematic structural view of a flexible coupling and a percussion drill thereof according to a second embodiment of the present utility model; FIG. 6 is a schematic view of a support spring according to the present utility model;
Fig. 7 is a schematic structural view of a percussion drill according to the present utility model, and a second embodiment of the present utility model proposes another flexible coupling and a percussion drill thereof based on the flexible coupling and the percussion drill thereof according to the first embodiment of the present utility model. The second embodiment is merely a preferred manner of the first embodiment, and implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the difference between the flexible coupling and the impact drill thereof according to the second embodiment of the present application is that one end of the first central shaft 11 is fixedly connected with a movable rod 28, the other end of the movable rod 28 is fixedly connected with a limiting block 31, the limiting disc 13 mounted on the outside of the first central shaft 11, which can adjust the length, is movable but not rotatable, so that the limiting disc 13 can move but not rotate outside of the mounting tube 12 and the movable tube 19, and a limiting structure is provided to prevent falling.
The outside of stopper 31 is through movable groove 30 sliding connection having loop bar 29, the outside of stopper 31 is all fixedly connected with fixture block 36 in the one side that is opposite to, slot 22 has also been seted up to the other end of loop bar 29, and movable groove 30 and one end are run through have been seted up to the inside of loop bar 29, and slot 22 is convenient loop bar 29 and the flexible shaft coupling of every group of extension are connected.
One end fixedly connected with backing plate 33 of movable groove 30 inner wall, the one end fixedly connected with supporting spring 32 of backing plate 33, the other end fixed connection of supporting spring 32 is in the bottom of stopper 31, and supporting spring 32 is the holding power.
The sliding rails 34 are provided on opposite sides of the inner wall of the movable slot 30, the clamping rails 35 are provided on one side of the sliding rails 34, the clamping rails 35 are T-shaped, a vertical direction of the T-shape is the same as one side of the inner wall of the sliding rails 34, and referring to fig. 7, the clamping blocks 36 slide in the sliding rails 34 to adjust the extension length of the movable rod 28, and the clamping blocks 36 are clamped in the clamping rails 35 to limit the extension of the movable rod 28.
A percussion drill 3, characterized by comprising: the flexible coupling according to any one of claims 1-9, a lithium battery 1, a handle 9, a swivel head 8, and the other end of the swivel head 8 secures the mounting head 4 by means of a mounting button.
Compared with the related art, the flexible coupling and the impact drilling tool thereof provided by the utility model have the following beneficial effects:
In order to increase the length of the flexible coupling to adapt to environments with different lengths, the movable rod 28 is pulled or pressed firstly to enable the clamping block 36 to move in the clamping rail 35, after the position of the joint of the clamping rail 35 and the sliding rail 34 is reached, the clamping block 36 can slide out of the clamping rail 35 only by rotating the movable rod 28, so that the distance between the first central shaft 11 and the sleeve rod 29 can be adjusted by sliding the clamping block in the sliding rail 34, after the adjustment, the clamping block 36 is clamped into the clamping rail 35 in the corresponding position only by being adjusted, meanwhile, the bottom of the limiting block 31 is provided with the supporting spring 32, the thrust is increased when the movable rod 28 is adjusted, meanwhile, the supporting function is achieved after the adjustment is completed, the clamping block 36 is prevented from falling off the clamping rail 35, the structures of the second central shaft 18 and the first central shaft 11 are the same, and the lengths of the first central shaft 11 and the second central shaft 18 can be adjusted according to requirements by the device.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (10)
1. A flexible coupling, comprising: a flange plate;
The mounting head is mounted at one end of one half of the flange plate, the other half of the flange plate is fixedly connected with a connecting shaft, the other end of the connecting shaft is mounted at one end of a first central shaft through a connecting bolt, slots are formed in two ends of the first central shaft, a first positioning disc is mounted outside the first central shaft through a movable pipe, four fixing rings are mounted at one end of the first positioning disc in a penetrating manner, mounting pipes are fixedly connected to inner rings of the four fixing rings, first telescopic rods are slidably connected to the inner parts of the four mounting pipes, movable buckles are fixedly connected to the extending ends of the first telescopic rods, and second connecting blocks are mounted at the other ends of the movable buckles through the connecting bolts;
The second center shaft is installed in the position of the outside of first connecting block in the opposite side through the connecting bolt, the outside of second center shaft is installed the second positioning disk through the movable pipe equally, the one end that the second positioning disk is close to first positioning disk is connected with four installation pipes through four solid fixed ring penetration equally, the inside of four installation pipes is sliding connection equally has the second telescopic link, the extension end of second telescopic link is installed in the outside of second connecting block and is located the position of opposite side through movable knot and connecting bolt.
2. The flexible coupling according to claim 1, wherein a drill bit is mounted at the other end of the second central shaft, and a soft sleeve is provided at the other end of the other half of the flanges.
3. The flexible coupling according to claim 2, wherein the flexible sleeve comprises a connecting ring and a folding layer, the folding layer being of a soft rubber material.
4. The flexible coupling according to claim 1, wherein each set of mounting tubes is fixedly connected to a limiting disc on the exterior thereof, and wherein the limiting discs are fixedly connected to the exterior of the movable tube.
5. The flexible coupling according to claim 1, wherein the opposite ends of each set of mounting tubes are provided with connecting buckles, and the two ends of the second central shaft are also provided with slots.
6. The flexible coupling according to claim 1, wherein one end of the first central shaft is fixedly connected with a movable rod, and the other end of the movable rod is fixedly connected with a limiting block.
7. The flexible coupling according to claim 6, wherein the outer portion of the stopper is slidably connected with a sleeve rod through a movable slot, two opposite sides of the outer portion of the stopper are fixedly connected with clamping blocks, and the other end of the sleeve rod is also provided with a slot.
8. The flexible coupling according to claim 7, wherein one end of the inner wall of the movable groove is fixedly connected with a supporting plate, and one end of the supporting plate is fixedly connected with a supporting spring.
9. The flexible coupling according to claim 7, wherein the opposite sides of the inner walls of the movable grooves are provided with sliding rails, and one side of each sliding rail is provided with a clamping rail.
10. A percussion drill, comprising: a lithium battery, a handle, a rotating head, and the flexible coupling according to any one of claims 1 to 9, wherein the other end of the rotating head is fixed to the mounting head by a mounting buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322695363.9U CN220850464U (en) | 2023-10-09 | 2023-10-09 | Flexible coupling and impact drill thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322695363.9U CN220850464U (en) | 2023-10-09 | 2023-10-09 | Flexible coupling and impact drill thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220850464U true CN220850464U (en) | 2024-04-26 |
Family
ID=90773231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322695363.9U Active CN220850464U (en) | 2023-10-09 | 2023-10-09 | Flexible coupling and impact drill thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220850464U (en) |
-
2023
- 2023-10-09 CN CN202322695363.9U patent/CN220850464U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2351735C1 (en) | Method of drilling with casing pipes, drilling rig and reducing piece | |
| US5070948A (en) | Directional rod pusher | |
| JP3241747U (en) | Building Prefabricated Wall Panel Installation Structure | |
| CN220850464U (en) | Flexible coupling and impact drill thereof | |
| CN115178960A (en) | Pipeline butt joint frock | |
| CN117267273A (en) | Flexible coupling and impact drill thereof | |
| US3461750A (en) | Drilling apparatus | |
| CN113324102A (en) | Supporting device convenient to dismantle mining mortar pipeline | |
| CN112095598A (en) | A dual-purpose stake machine for building engineering pile foundation construction | |
| CN210034767U (en) | Pipeline repairing device | |
| CN111827898A (en) | Drilling equipment with novel drill rod clamping piece | |
| CN216747138U (en) | Reinforcing bar intensity measuring equipment is used in civil engineering construction | |
| CN111622771B (en) | Top-pull drill pipe and construction equipment comprising same | |
| CN112983491B (en) | Novel TBM steel arch frame automatic assembling device and operation method | |
| CN207728316U (en) | Drilling tool apparatus for adjusting position and drilling machine | |
| CN213869789U (en) | Wellhead positioning and fixing device for production logging | |
| CN217413255U (en) | Bilateral synchronous clamping equipment | |
| CN219426001U (en) | Multi-point welding device for steel structure truss | |
| CN214934417U (en) | Revolve quick-witted accessory production with rolling machine adjustment mechanism soon | |
| CN220331560U (en) | Production and processing device for endless plate tubular pile | |
| CN216974745U (en) | Positioning device for down-the-hole drill | |
| CN219242377U (en) | Assembled pipeline connecting piece of civil engineering | |
| CN218523135U (en) | Non-excavation pipeline construction central line calibrating device | |
| CN220415264U (en) | Down-hole reaming bit | |
| CN219282671U (en) | Engineering fixing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |