CN210848496U - Anti-loosening device for tapping tool - Google Patents
Anti-loosening device for tapping tool Download PDFInfo
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- CN210848496U CN210848496U CN201921937743.6U CN201921937743U CN210848496U CN 210848496 U CN210848496 U CN 210848496U CN 201921937743 U CN201921937743 U CN 201921937743U CN 210848496 U CN210848496 U CN 210848496U
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- device body
- cutter
- gear
- gear ring
- fastening screw
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Abstract
The utility model provides a trompil cutter locking device belongs to pipeline maintenance technical field, including the drilling rod, the embedding of drilling rod left side is provided with the locating part, and the drilling rod lower extreme outside is cup jointed and is provided with the joint handle, connects the handle lower surface to pass through screw fixedly connected with cutter body, and the inside embedding in drilling rod below is provided with central brill, and central brill runs through cutter body center, and the central brill outside is cup jointed and is provided with the device body, and is connected between device body and the cutter body, and the device body includes ring gear, outer gear and fastening screw. The device body in this kind of trompil cutter anti-loosening device lives the center through the outer gear screens and bores the surface, and fastening screw fixes the device body in the cutter body simultaneously, and then effectively prevents that the situation of droing from appearing in center brill and cutter body when rotating, improves the stability that the cutter used greatly, and the simple installation of device body assembly is convenient.
Description
Technical Field
The utility model relates to a pipeline maintenance technical field, more specifically the theory relates to a trompil cutter.
Background
The gas pipe has the characteristics of convenient installation, reliable connection, corrosion resistance, no gas blockage, good flexibility, long service life, free bending without deformation, no gas blockage and the like, and the tapping tool is required to be utilized in gas pipeline maintenance and rush-repair construction operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical problem that proposes in the above-mentioned background art, provide a trompil cutter locking device.
In order to achieve the above object, the utility model provides a following technical scheme: a locking device for a tapping tool comprises a drill rod, wherein a limiting piece is embedded in the left side of the drill rod, a connecting handle is sleeved on the outer side of the lower end of the drill rod, a tool body is fixedly connected to the lower surface of the connecting handle through a screw, a central drill is embedded in the lower portion of the drill rod and penetrates through the center of the tool body, a device body is sleeved on the outer side of the central drill, and the device body is connected with the tool body;
the device body includes ring gear, external gear and fastening screw, the embedding is provided with the ring gear in the device body, the ring gear left side is run through the embedding and is had the external gear, the activity embedding in ring gear right side has fastening screw, and runs through fastening screw between device body, connecting handle and the cutter body and be connected, the fastening screw top is provided with the nut through the screw thread nestification.
Further preferred embodiments: the locating part cross section is big end down slope setting, and the drilling rod and connect the handle the two and all be equipped with locating part junction and be the opening that the supporting set up.
Further preferred embodiments: the connecting part of the gear ring and the outer side of the outer gear is provided with 5-6 teeth, and the outer side teeth of the outer gear and the inner side teeth of the gear ring are arranged in a matched and meshed mode.
Further preferred embodiments: the ring gear right side is equipped with circular-arc opening, and ring gear opening cross section is big end down setting, be supporting setting between fastening screw nut department and the ring gear opening.
Further preferred embodiments: the outer gear is characterized in that a regular hexagon opening is formed in the inner side of the outer gear, the outer surface of the cross section of the central drill is in a regular hexagon shape, and the size of the regular hexagon opening in the inner side of the outer gear is perfectly matched with the cross section of the central drill.
Has the advantages that:
1. the anti-loosening device for the hole drilling tool is provided with the limiting part, and the limiting part forms a certain inclination angle, so that the limiting part locks the drill rod and the connecting handle when the drill rod and the connecting handle are connected, and the safety of the tool is greatly improved.
2. Set up the external gear, the device body lives the center through the external gear screens and bores the surface, and fastening screw fixes the device body in the cutter body simultaneously, and then effectively prevents that the situation that drops from appearing in center brill and cutter body when rotating, improves the stability that the cutter used greatly, and the simple installation of device body assembly is convenient.
Drawings
Fig. 1 is a schematic sectional view and a schematic top view of the anti-loosening device for a tapping tool.
FIG. 2 is a schematic sectional view of the anti-loosening device for a tapping tool, a tool body and a drill rod.
In FIGS. 1-2: 1-a gear ring; 2-an external gear; 3-fastening screws; 4-central drilling; 5-a limiting part; 6-a drill rod; 7-connecting a handle; 8-a nut; 9-a cutter body; 11-device body.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, in the embodiment of the present invention, a locking device for a tapping tool comprises a gear ring 1, an outer gear 2, a fastening screw 3, a center drill 4, a limiting member 5, a drill rod 6, a connecting handle 7, a nut 8, a cutter body 9 and a device body 11, wherein the limiting member 5 is embedded in the left side of the drill rod 6, the connecting handle 7 is sleeved on the outer side of the lower end of the drill rod 6, the cutter body 9 is fixedly connected to the lower surface of the connecting handle 7 through a screw, the center drill 4 is embedded in the lower portion of the drill rod 6, the center drill 4 penetrates through the center of the cutter body 9, the device body 11 is sleeved on the outer side of the center drill 4, the device body 11 is connected to the cutter body 9, the device body 11 comprises the gear ring 1, the outer gear 2 and the fastening screw 3, the gear ring 1 is embedded in the device, the device body 11, the connecting handle 7 and the cutter body 9 are connected in a penetrating way through the fastening screw 3, and the top of the fastening screw 3 is provided with a nut 8 in a nesting way through threads.
In this embodiment, the cross section of the limiting part 5 is inclined in a large-scale manner and a small-scale manner, the connecting part between the drill rod 6 and the connecting handle 7 and the limiting part 5 is provided with an opening which is matched with the limiting part, and the limiting part 5 with a large-scale manner and a small-scale manner forms a certain inclination angle, so that the limiting part 5 locks the drill rod 6 and the connecting handle 7 when the drill rod 6 and the connecting handle 7 are connected, and the safety of the cutter is greatly improved.
In the embodiment, the connecting part of the gear ring 1 and the outer side of the outer gear 2 is provided with 5-6 teeth, and the outer side teeth of the outer gear 2 and the inner side teeth of the gear ring 1 are arranged in a matched and meshed manner, so that the gear ring 1 and the outer gear 2 are stably connected, and the slipping condition of the outer gear 2 cannot occur.
In this embodiment, ring gear 1 right side is equipped with circular-arc opening, and ring gear 1 opening cross section is big end down and sets up, is supporting setting between 3 nut departments of fastening screw and the ring gear 1 opening for fastening screw 3 can carry out short distance position control, and then makes fastening screw 3 link together device body 11, connect handle 7 and cutter body 9 that more agree with.
In this embodiment, 2 inboard of outer gear are equipped with the regular hexagon opening, 4 cross sections of central brill surface are regular hexagon, and 2 inboard regular hexagon opening sizes of outer gear are the perfect agree with setting with 4 cross sections of central brill, device body 11 lives 4 surfaces of central brill through 2 screens of outer gear, fastening screw 3 fixes device body 11 in cutter body 9 simultaneously, and then effectively prevent that the situation of droing from appearing when rotating central brill 4 and cutter body 9, improve the stability that the cutter used greatly, and the simple installation of device body 11 is convenient.
Use the utility model relates to a during trompil cutter locking device, at first be connected device body 11 with the trompil cutter, device body 11 cup joints in central brill 4 top through outer gear 2, utilize fastening screw 3 to pass device body 11 simultaneously, connect handle 7 and cutter body 9 to make it link together, cup joint nut 8 on fastening screw 3 immediately, make nut 8 cooperation fastening screw 3 fix device body 11 in cutter body 9, when drilling rod 6 drives cutter body 9 rotary cutting afterwards, effectively prevent central brill 4 and cutter body 9 from appearing the situation of droing when rotating, the stability that the cutter used improves greatly, and device body 11 simple assembly simple to operate is convenient, and device body 11 wholly only contains ring gear 1, outer gear 2 and fastening screw 3 three structural component, and the equal processing requirement of three is low, make device body 11 simple structure possess the maintenance of being convenient for, Light weight, low processing cost and the like.
The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (5)
1. A tapping tool anti-loosening device comprises a drill rod (6), and is characterized in that: a limiting part (5) is embedded into the left side of the drill rod (6), a connecting handle (7) is sleeved on the outer side of the lower end of the drill rod (6), a cutter body (9) is fixedly connected to the lower surface of the connecting handle (7) through a screw, a central drill (4) is embedded into the lower portion of the drill rod (6), the central drill (4) penetrates through the center of the cutter body (9), a device body (11) is sleeved on the outer side of the central drill (4), and the device body (11) is connected with the cutter body (9);
the device body (11) comprises a gear ring (1), an external gear (2) and a fastening screw (3), the gear ring (1) is embedded into the device body (11), the external gear (2) penetrates through and is embedded into the left side of the gear ring (1), the fastening screw (3) is movably embedded into the right side of the gear ring (1), the device body (11), the connecting handle (7) and the cutter body (9) are connected through the fastening screw (3), and the top of the fastening screw (3) is provided with a nut (8) through thread nesting.
2. The tapping tool retainer as claimed in claim 1, wherein: the cross section of the limiting part (5) is inclined in a large-size manner and a small-size manner, and openings which are arranged in a matched manner are arranged at the connecting positions of the drill rod (6) and the connecting handle (7) and the limiting part (5).
3. The tapping tool retainer as claimed in claim 1, wherein: the gear ring is characterized in that 5-6 teeth are arranged at the connecting position of the gear ring (1) and the outer side of the outer gear (2), and the outer side teeth of the outer gear (2) and the inner side teeth of the gear ring (1) are arranged in a matched and meshed mode.
4. The tapping tool retainer according to any one of claims 1 or 3, wherein: the gear ring is characterized in that the right side of the gear ring (1) is provided with an arc-shaped opening, the cross section of the opening of the gear ring (1) is arranged in a large-end-up mode, and the nut of the fastening screw (3) is matched with the opening of the gear ring (1).
5. The tapping tool retainer as claimed in claim 1, wherein: the inner side of the outer gear (2) is provided with a regular hexagon opening, the outer surface of the cross section of the central drill (4) is in a regular hexagon shape, and the size of the regular hexagon opening on the inner side of the outer gear (2) is perfectly matched with the cross section of the central drill (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921937743.6U CN210848496U (en) | 2019-11-12 | 2019-11-12 | Anti-loosening device for tapping tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921937743.6U CN210848496U (en) | 2019-11-12 | 2019-11-12 | Anti-loosening device for tapping tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210848496U true CN210848496U (en) | 2020-06-26 |
Family
ID=71305501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921937743.6U Active CN210848496U (en) | 2019-11-12 | 2019-11-12 | Anti-loosening device for tapping tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210848496U (en) |
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2019
- 2019-11-12 CN CN201921937743.6U patent/CN210848496U/en active Active
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