CN214263737U - Hollow guide arm of reaming formula - Google Patents
Hollow guide arm of reaming formula Download PDFInfo
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- CN214263737U CN214263737U CN202120123062.7U CN202120123062U CN214263737U CN 214263737 U CN214263737 U CN 214263737U CN 202120123062 U CN202120123062 U CN 202120123062U CN 214263737 U CN214263737 U CN 214263737U
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- rod
- hollow guide
- spring
- left end
- push
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Abstract
The utility model discloses a reaming type hollow guide rod, which comprises a hollow guide rod, a conical head, an inner rod, a reaming sheet, a push cylinder and a push plate; this hollow guide arm of reaming formula divide into two most in hollow guide arm and the inside, the thread groove has been seted up to the inside of interior pole, and the inside threaded connection of thread groove has the threaded rod, and the left end screw thread of threaded rod runs through in the fixed plate, and the left end of threaded rod is fixed to be equipped with and revolves the brick head, makes interior pole move forward through rotating the rotating head, interior pole left end is neat at ordinary times with the left end of hollow guide arm, and the right-hand member of conical head contacts with push pedal downside inclined plane and the conical head extrudees the push pedal of contact with it forward simultaneously, and the push pedal rebound makes the slide up of pushing away a section of thick bamboo to make the reaming piece remove to the outside of hollow guide arm, and can carry out spacing chucking through the stopper, the spring one of while installation can compress tightly the device with spring two, can provide stability at the during operation.
Description
Technical Field
The utility model relates to a reaming technical field specifically is a hollow guide arm of reaming formula.
Background
Reaming means that the bottom of a borehole or some type of foundation pier is enlarged to increase its load bearing area; and the forging process of reducing the wall thickness of the hollow blank to increase the inner diameter and the outer diameter of the hollow blank. In actual operation, the general aperture needs to be enlarged and then can be used, and most devices in the existing hole expanding device are complicated in structure and low in hole expanding efficiency.
Accordingly, one skilled in the art has provided a reamer-type hollow guide rod to solve the problems set forth in the background art.
Disclosure of Invention
An object of the utility model is to provide a hollow guide arm of reaming formula to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a hole-expanding type hollow guide rod comprises a hollow guide rod, a conical head, an inner rod, a hole-expanding sheet, a push cylinder and a push plate; an inner rod is movably arranged inside the hollow guide rod, a conical head is fixedly arranged at the right end of the inner rod, grooves are formed in the periphery of the hollow guide rod, a first sliding groove is formed in each of the left side and the right side of each groove, a limiting block is embedded inside the first sliding groove, a connecting plate is fixedly arranged between the limiting blocks at the two ends, a hole expanding sheet is fixedly connected to the upper end of the connecting plate, a push cylinder is fixedly arranged at the lower end of the middle of the connecting plate, a second sliding groove is fixedly arranged on each of the left side and the right side inside the push cylinder, a roller is embedded inside the second sliding groove, a limiting rod is fixedly arranged in the middle of the upper end inside the push cylinder, a support rod is arranged at the lower end of the limiting rod, the lower end of the limiting rod extends into the support rod in a penetrating mode, a gasket is fixedly sleeved at the penetrating connection position of the limiting rod and the support rod, a first peripheral spring is sleeved on the limiting rod, the upper end of the spring is fixedly connected with the upper end of the push cylinder, and the lower end of the spring is fixedly connected with the upper end of the support rod, a second fixing rod is fixedly arranged on the left side and the right side of the upper end of the supporting rod, a connecting rod is fixedly connected to the outer side end of the second fixing rod, the other end of the connecting rod is fixedly connected with the roller, a rotating shaft is arranged at the lower end of the supporting rod, a push plate is fixedly arranged at the lower end of the rotating shaft, a second spring is fixedly arranged on the left side of the push plate, and the upper end of the second spring is fixedly connected with the left side of the lower end of the push cylinder; the left end of hollow guide arm is all fixed about both sides and is equipped with the dead lever, and the left end of dead lever is fixed and is equipped with the fixed plate, and the thread groove has been seted up to the inside of interior pole, and the inside threaded connection of thread groove has the threaded rod, and the left end screw thread of threaded rod runs through in the fixed plate, and the left end of threaded rod is fixed and is equipped with the brick head soon.
As a further aspect of the present invention: the middle part of the fixed plate is provided with a threaded opening, and the threaded rod is in through connection with the opening thread.
As a further aspect of the present invention: when the left end of the inner rod is flush with the left end of the hollow guide rod, the right end of the conical head is in contact with the inclined plane at the lower side of the push plate.
As a further aspect of the present invention: the push plate has a certain radian and is attached to the conical head, and four devices are arranged inside the hollow guide rod in an up-down, left-right mode.
As a further aspect of the present invention: when the second spring is in an original state, the lower side of the push plate is at a certain inclination angle and is parallel to the inclined plane of the conical head.
As a further aspect of the present invention: the inside of bracing piece is seted up the width and is slightly greater than the groove of the width of gag lever post.
Compared with the prior art, the beneficial effects of the utility model are that:
1, limiting and clamping are carried out through a limiting block 11, and meanwhile, a first spring 17 and a second spring 25 which are arranged can compress the device and can provide stability during working;
2-the inside of interior pole has seted up the thread groove, and the inside threaded connection of thread groove has the threaded rod, and the left end screw thread of threaded rod runs through in the fixed plate, and the left end of threaded rod is fixed to be equipped with and revolves the brick head, makes interior pole move forward through rotating the rotating head, and the cone extrudees the push pedal rather than the contact forward simultaneously, and the push pedal rebound makes the push cylinder upwards slide to make the reaming piece move to the outside of hollow guide arm, to sum up this guide arm can be controllable to reaming structure, and is rational in infrastructure and prolonged life.
Drawings
Fig. 1 is a schematic front sectional view of a reamer type hollow guide rod.
Fig. 2 is a schematic structural diagram of a reaming sheet in a reaming type hollow guide rod.
Fig. 3 is a schematic front view of the whole reamer hollow guide rod.
Fig. 4 is a schematic side view of a reamer type hollow guide rod.
In the figure: 1-hollow guide rod, 2-conical head, 3-inner rod, 4-thread groove, 5-threaded rod, 6-fixing plate, 7-fixing rod I, 8-rotary brick head, 9-groove, 10-sliding chute I, 11-connecting plate, 12-hole expanding sheet, 13-limiting block, 14-push cylinder, 15-gasket, 16-limiting rod, 17-spring I, 18-sliding chute II, 19-roller, 20-connecting rod, 21-fixing rod II, 22-supporting rod, 23-push plate, 24-rotating shaft and 25-spring II.
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 to 4, in an embodiment of the present invention, a hole-expanding hollow guide rod includes a hollow guide rod 1, a conical head 2, an inner rod 3, a hole-expanding sheet 12, a push cylinder 14, and a push plate 23; an inner rod 3 is movably arranged in the hollow guide rod 1, a conical head 2 is fixedly arranged at the right end of the inner rod 3, grooves 9 are formed in the periphery of the hollow guide rod 1, first sliding grooves 10 are formed in the left side and the right side of each groove 9, limiting blocks 13 are embedded in the first sliding grooves 10, a connecting plate 11 is fixedly arranged between the limiting blocks 13 at two ends, a hole expanding sheet 12 is fixedly connected to the upper end of the connecting plate 11, a push cylinder 14 is fixedly arranged at the lower end of the middle of the connecting plate 11, second sliding grooves 18 are fixedly arranged on the left side and the right side of the inner part of the push cylinder 14, rollers 19 are embedded in the second sliding grooves 18, a limiting rod 16 is fixedly arranged in the middle of the upper end of the inner part of the push cylinder 14, a support rod 22 is arranged at the lower end of the limiting rod 16, the lower end of the limiting rod 16 extends into the support rod, the upper end of the spring 17 is fixedly connected with the upper end of the push cylinder 14, the lower end of the spring 17 is fixedly connected with the upper end of the support rod 22, the left side and the right side of the upper end of the support rod 22 are both fixedly provided with a second fixing rod 21, the outer side end of the second fixing rod 21 is fixedly connected with a connecting rod 20, the other end of the connecting rod 20 is fixedly connected with the roller 19, the lower end of the support rod 22 is provided with a rotating shaft 24, the lower end of the rotating shaft 24 is fixedly provided with a push plate 23, the left side of the push plate 23 is fixedly provided with a second spring 25, and the upper end of the second spring 25 is fixedly connected with the left side of the lower end of the push cylinder 14; both sides are all fixed to be equipped with dead lever 7 about the left end of hollow guide arm 1, and the left end of dead lever 7 is fixed and is equipped with fixed plate 6, and thread groove 4 has been seted up to the inside of interior pole 3, and the internal thread of thread groove 4 is connected with threaded rod 5, and the left end screw thread of threaded rod 5 runs through in fixed plate 6, and the left end of threaded rod 5 is fixed and is equipped with and revolves brick 8.
The middle part of the fixed plate 6 is provided with a threaded opening, and the threaded rod 5 is in through connection with the opening thread.
When the left end of the inner rod 3 is flush with the left end of the hollow guide rod 1, the right end of the conical head 2 is in contact with the lower side inclined plane of the push plate 23.
The push plate 23 has a certain radian and is attached to the conical head 2, and four devices are arranged inside the hollow guide rod 1 in an up-down, left-right mode.
When the second spring 25 is in an original state, the lower side of the push plate 23 is at a certain inclination angle and is parallel to the inclined plane of the conical head 2.
The supporting rod 22 is provided with a groove with a width slightly larger than that of the limiting rod 16.
The utility model discloses a theory of operation is: this hollow guide arm of reaming formula divide into hollow guide arm 1 and two most of 3 in inside, thread groove 4 has been seted up to the inside of interior pole 3, the inside threaded connection of thread groove 4 has threaded rod 5, the left end screw thread of threaded rod 5 runs through in fixed plate 6, and the left end of threaded rod 5 is fixed to be equipped with brick 8 soon, make interior pole 3 forward movement through rotating head 8, the push pedal 23 of conical head 2 extrusion forward with it contact simultaneously, push pedal 23 rebound makes and pushes away 14 upslidings of section of thick bamboo, thereby make reaming piece 12 remove to the outside of hollow guide arm 1, and can carry out spacing chucking through stopper 11, spring 17 and spring two 25 of installing simultaneously can compress tightly the device, can provide stability at the during operation.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A hole-expanding type hollow guide rod comprises a hollow guide rod (1), a conical head (2), an inner rod (3), a hole-expanding sheet (12), a push cylinder (14) and a push plate (23); the hollow guide rod structure is characterized in that an inner rod (3) is movably arranged inside a hollow guide rod (1), a conical head (2) is fixedly arranged at the right end of the inner rod (3), grooves (9) are formed in the periphery of the hollow guide rod (1), sliding chutes (10) are formed in the left side and the right side of each groove (9), limiting blocks (13) are embedded inside the sliding chutes (10), a connecting plate (11) is fixedly arranged between the limiting blocks (13) at the two ends, a hole expanding sheet (12) is fixedly connected to the upper end of the connecting plate (11), a push cylinder (14) is fixedly arranged at the lower end of the middle of the connecting plate (11), sliding chutes (18) are fixedly arranged on the left side and the right side of the inside of the push cylinder (14), rollers (19) are embedded inside the sliding chutes (18), a limiting rod (16) is fixedly arranged in the middle of the upper end of the inside of the push cylinder (14), a support rod (22) is installed at the lower end of the limiting rod (16), and the lower end of the limiting rod (16) penetrates through and extends to the inside of the support rod (22), a gasket (15) is fixedly sleeved at the penetrating connection part of the limiting rod (16) and the supporting rod (22), a first spring (17) is sleeved on the periphery of the limiting rod (16), the upper end of the first spring (17) is fixedly connected with the upper end of the push cylinder (14), the lower end of the first spring (17) is fixedly connected with the upper end of the supporting rod (22), two fixing rods (21) are fixedly arranged on the left side and the right side of the upper end of the supporting rod (22), a connecting rod (20) is fixedly connected with the outer side end of each fixing rod (21), the other end of each connecting rod (20) is fixedly connected with the roller (19), a rotating shaft (24) is arranged at the lower end of the supporting rod (22), a push plate (23) is fixedly arranged at the lower end of the rotating shaft (24), a second spring (25) is fixedly arranged on the left side of the push plate (23), and the upper end of the second spring (25) is fixedly connected with the left side of the lower end of the push cylinder (14); both sides are all fixed dead lever (7) of being equipped with about the left end of hollow guide arm (1), and the left end of dead lever (7) is fixed and is equipped with fixed plate (6), and thread groove (4) have been seted up to the inside of interior pole (3), and the internal thread of thread groove (4) is connected with threaded rod (5), and the left end screw thread of threaded rod (5) runs through in fixed plate (6), and the left end of threaded rod (5) is fixed and is equipped with brick (8) soon.
2. A reamer hollow guide according to claim 1, wherein the middle part of the fixing plate (6) is provided with a threaded opening, and the threaded rod (5) is in threaded connection with the opening.
3. A reamer hollow guide according to claim 1, wherein the right end of the conical head (2) contacts the lower side slope of the push plate (23) when the left end of the inner rod (3) is flush with the left end of the hollow guide (1).
4. A reamer hollow guide according to claim 1, wherein the push plate (23) has a curvature to fit the conical head (2), and four of the devices are provided inside the hollow guide (1).
5. A reamer hollow guide according to claim 1, wherein the second spring (25) is inclined at an angle to the underside of the push plate (23) and parallel to the bevel of the conical head (2) in its initial state.
6. A reamer-type hollow guide rod according to claim 1, wherein the support rod (22) is internally provided with a groove having a width slightly larger than that of the stopper rod (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120123062.7U CN214263737U (en) | 2021-01-18 | 2021-01-18 | Hollow guide arm of reaming formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120123062.7U CN214263737U (en) | 2021-01-18 | 2021-01-18 | Hollow guide arm of reaming formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214263737U true CN214263737U (en) | 2021-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120123062.7U Active CN214263737U (en) | 2021-01-18 | 2021-01-18 | Hollow guide arm of reaming formula |
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| Country | Link |
|---|---|
| CN (1) | CN214263737U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114711997A (en) * | 2022-04-02 | 2022-07-08 | 宁波汉科医疗器械有限公司 | Portable gutta-percha point for dentistry |
-
2021
- 2021-01-18 CN CN202120123062.7U patent/CN214263737U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114711997A (en) * | 2022-04-02 | 2022-07-08 | 宁波汉科医疗器械有限公司 | Portable gutta-percha point for dentistry |
| CN114711997B (en) * | 2022-04-02 | 2023-04-14 | 宁波汉科医疗器械有限公司 | Portable gutta-percha point for dentistry |
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