CN216360906U

CN216360906U - Adapter of concrete vibrator

Info

Publication number: CN216360906U
Application number: CN202122571748.5U
Authority: CN
Inventors: 陈�胜
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-04-22
Anticipated expiration: 2031-10-25

Abstract

The utility model discloses an adapter of a concrete vibrator, which belongs to the field of concrete vibrators and comprises a casing, wherein an inner hole is formed in the casing, an internal thread and a rotary auxiliary part are arranged in the inner hole, a key groove with a socket and a depth is arranged at the position of the rotary axis of the rotary auxiliary part, the depth extending direction of the key groove is parallel to or coincided with the rotary shaft of the rotary auxiliary part, the key groove and the casing can rotate relatively, the socket of the key groove is positioned in the inner hole of the casing, the rotary auxiliary part is connected with an external connecting rod, the external connecting rod is positioned outside the inner hole of the casing, the key groove and the external connecting rod rotate synchronously, and the external connecting rod is connected with an electric drill chuck. The utility model can connect the electric drill chuck to the concrete vibrator, so that the concrete vibrator can be used as an electric drill.

Description

Adapter of concrete vibrator

Technical Field

The utility model relates to the field of concrete vibrators, in particular to an adapter of a concrete vibrator.

Background

In the concrete work progress, in order to prevent the bubble from appearing in the concrete, increase the adhesion degree of concrete and inside reinforcing bar, make the closely knit combination of concrete picture, need vibrate the concrete to improve the intensity of concrete, guarantee the quality of concrete member, and eliminate phenomenons such as the honeycomb pitted surface of concrete. The vibrating spear has the advantages of light weight and convenient movement, so the vibrating spear is widely used for internally vibrating concrete, particularly for concrete pouring parts which have larger thickness and are erected in the air and in walls, and the vibrating spear is most widely used particularly for electric vibrating spears.

For example: the portable charging vibrating spear with the publication number of CN210685435U comprises the following components: the charging device comprises a vibrating rod, a charging motor assembly and a connecting knob, wherein the vibrating rod comprises a vibrating head, a flexible rod and a tail end joint which are sequentially connected; the charging motor assembly comprises a motor, a handle, a battery box for arranging a charging battery to supply power to the motor and a shaft end connector, wherein the motor is connected with the battery box through the handle, and the shaft end connector is arranged on the motor; the connecting knob is sleeved on the vibrating rod and detachably connected with the shaft end connector, so that the vibrating rod is fixed on the charging motor assembly, and the shaft end connector is connected with the tail end connector. The concrete vibrator front end of this patent has the external screw thread and is used for connecting the connection knob, makes flexible stick connect on the main engine body of concrete vibrator, flexible axle structure can be connected with the axle head joint separately, but this concrete vibrator only has the effect of the concrete that vibrates, and the function is comparatively single, just can be idle when not needing the concrete that vibrates.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide the adapter of the concrete vibrator, so that the concrete vibrator can be connected with an electric drill chuck, and the functionality of the concrete vibrator is improved.

The technical scheme of the utility model is as follows: concrete vibrator's adapter, its characterized in that is equipped with the hole including a cover shell on the cover shell, is equipped with internal thread and rotatory auxiliary member in the hole, the rotatory axle center position of rotatory auxiliary member is equipped with the keyway that has the socket and have the degree of depth, and keyway degree of depth extending direction is parallel or the coincidence with rotatory auxiliary member rotation axis, rotation that can be relative between keyway and the cover shell, the socket of keyway is located the hole of cover shell, the extension bar is connected to rotatory auxiliary member, and the extension bar is located outside the hole of cover shell, and keyway and extension bar rotate in step, the electric drill chuck is connected to the extension bar.

The further optimization scheme of the utility model is as follows: the rotating auxiliary part and the internal thread are spaced, and the internal thread and the rotating auxiliary part are arranged at two ends of the casing.

The further optimization scheme of the utility model is as follows: the shell is a cylinder body, and two ends of the cylinder body are communicated.

The further optimization scheme of the utility model is as follows: the external connecting rod is provided with an external thread and a central screw hole, the external thread is in threaded connection with an electric drill chuck, a screw is arranged at the center of the electric drill chuck, and the screw penetrates through the electric drill chuck to be connected with the central screw hole.

The further optimization scheme of the utility model is as follows: the rotation aid comprises a bearing.

The further optimization scheme of the utility model is as follows: the key groove and the external connecting rod are integrated on an integrated transmission rod.

The further optimization scheme of the utility model is as follows: rotatory auxiliary member include the bearing, the keyway is integrated on an integrative transfer line with external pole, the both ends of transfer line are keyway and external pole respectively, the transfer line insert the bearing inner circle, its axial displacement at the bearing is restricted to the joint structure for the transfer line one, its removal in the cover shell hole is restricted to joint structure for the outer lane of bearing two.

The further optimization scheme of the utility model is as follows: the clamping structure I comprises a limiting groove and a clamp spring on the transmission rod, and the clamp spring is used for limiting the relative movement of the bearing and the transmission rod.

The further optimization scheme of the utility model is as follows: the bearing quantity has two, and convex retaining ring in the joint structure two is including the cover shell hole, two bearing clamp are in the both sides of retaining ring.

The further optimization scheme of the utility model is as follows: the space between the two bearings forms an oil storage space.

Compared with the prior art, the utility model has the advantages that the internal thread on the casing is connected with the internal thread joint at the front end of the shell of the concrete vibrator body, the spline shaft connected to the motor shaft of the concrete vibrator motor is inserted into the key groove to be connected with the key groove, the external connecting rod is connected with the electric drill chuck, and the electric drill chuck is connected with different drill bits, so that the concrete vibrator can realize different use functions by driving the drill bits to rotate, and is not limited to the function of only vibrating concrete.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the background art and explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

Figure 1 is a view of the present invention in connection with a drill chuck.

Figure 2 is an exploded view of the present invention and a drill chuck.

Fig. 3 is a cross-sectional view of the present invention.

Fig. 4 is a sectional view of the driving rod of the present invention when detached.

Fig. 5 is a sectional view of the present invention when the whole is disassembled.

Fig. 6 is an overall exploded view of the present invention.

In the figure: 1. a housing; 2. an electric drill chuck; 3. an extension rod; 4. a central screw hole; 5. an external thread; 6. an inner bore; 7. a transmission rod; 8. a bearing; 9. an internal thread; 11. a step; 12. a retainer ring; 13. a keyway; 14. a clamp spring; 15. a limiting groove; 16. and a limiting step.

Detailed Description

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the description is illustrative only, and is not to be construed as limiting the scope of the utility model.

It should be noted that: like reference numerals refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "inside" and "outside" are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the utility model is used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element which is referred to must have a specific orientation, be constructed in a specific orientation and operation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

The first embodiment is as follows:

as shown in fig. 1-6, the adapter of the concrete vibrator includes a housing 1, wherein an inner hole 6 is formed on the housing 1, preferably, the housing 1 is a cylinder, and two ends of the cylinder are through.

As shown in fig. 3-5, the inner hole 6 of the casing 1 is provided with an internal thread 9 and a rotation auxiliary member, the rotation axis position of the rotation auxiliary member is provided with a key groove 13 having a socket and a depth, preferably, the key groove 13 is a hexagon socket, the key groove 13 and the casing 1 can rotate relatively, the socket of the key groove 13 is located in the inner hole 6 of the casing 1, and the socket of the key groove 13 faces to the side of the casing 1 having the internal thread 9. The key groove 13 of the present embodiment is not limited to the hexagon socket key groove, and any other key groove 13 is applicable to the present invention.

The depth extension direction of the key groove 13 is parallel to or coincident with the rotation axis of the rotation auxiliary, preferably, the depth extension direction of the key groove 13 is coincident with the rotation axis of the rotation auxiliary, and the key groove 13 rotates around the rotation axis of the rotation auxiliary relative to the jacket 1.

When the sleeve 1 needs to be installed on the concrete vibrator, the sleeve 1 is sleeved on an external thread joint of a shell of the concrete vibrator and is connected with the external thread joint through an internal thread 9 in an inner hole 6 of the sleeve 1, so that the sleeve 1 and the shell of the concrete vibrator are fixed together, in the process that the sleeve 1 is connected with the external thread joint, a spline shaft connected to a motor shaft of a motor of the concrete vibrator is inserted into the inner hole 6 from an opening of the sleeve 1, the spline shaft can be inserted into a key groove 13 in a pulling manner from an insertion opening of the key groove 13, the shape of the spline shaft is matched with the key groove 13, the spline shaft is inserted into the key groove 13 and is limited in relative rotation with the key groove 13, and when the motor of the concrete vibrator is started, the spline shaft rotates to drive the key groove 13 to rotate relative to the sleeve 1 in the inner hole 6 of the sleeve 1.

Further, the internal thread 9 and the rotation auxiliary are provided at both ends of the shell 1, and a space is provided between the rotation auxiliary and the internal thread 9, which facilitates the connection of the shell 1 with the concrete vibrator.

As shown in fig. 3, an inward convex step 11 is arranged on the inner wall of the casing 1 at the tail end of the internal thread 9, the external thread joint of the concrete vibrator can be abutted against the step 11 when screwed into the inner hole 6 of the casing 1, and the step 11 can limit the external thread joint to continue to be screwed inwards to control the screwing depth of the internal thread joint.

Fig. 1-fig. 4 show, rotatory auxiliary member connects extension rod 3, extension rod 3 connects to be served keeping away from internal thread 9, and outer rod 3 is located outside the hole 6 of cover 1, electric drill chuck 2 is connected to extension rod 3, and is preferred, extension rod 3 is equipped with external screw thread 5 and central screw hole 4, outer rod 3 inserts electric drill chuck 2's internal screw hole through the external screw thread 5 and the 2 threaded connection of electric drill chuck that the surface set up, central screw hole 4 is established at the tip center of extension rod 3, the central point of electric drill chuck 2 puts and is equipped with the screw, the screw pass electric drill chuck 2 with central screw hole 4 is connected, makes electric drill chuck 2 and outer rod 3 fixed connection together. The external connecting rod 3 is connected with the central screw hole 4 on the external connecting rod 3 through a screw, so that the external connecting rod 3 can be limited to be screwed out of the internal thread hole of the electric drill chuck 2 when the external connecting rod 3 rotates forwards or reversely, and the connection is more stable. The electric drill chuck 2 is a conventional electric drill chuck existing in the market, can refer to an electric drill chuck with a brand of herdsman island and a model of 1103, and the electric drill chuck 2 can be used for clamping different drill bits and clamping or loosening the drill bits through forward/reverse rotation.

Fig. 3-6 show, keyway 13 and external pole 3 synchronous rotation, further, rotatory auxiliary member include bearing 8, keyway 13 and external pole 3 integration are on an integrative transfer line 7, the both ends of transfer line 7 are keyway 13 and extension pole 3 respectively, the one end that transfer line 7 was equipped with keyway 13 is inserted in the hole 6 of cover 1, transfer line 7 insert bearing 8 inner circle, its axial displacement at bearing 8 is restricted to transfer line 7 with joint structure one, its removal in cover 1 hole 6 is restricted to joint structure two for the outer lane of bearing 8.

Preferably, the first clamping structure comprises a limiting groove 15 on the transmission rod 7 and a clamping spring 14, the clamping spring 14 is clamped in the limiting groove 15 on the transmission rod 7, and the clamping spring 14 contacts with an inner ring of the bearing 8 to limit the relative movement of the bearing 8 and the transmission rod 7.

Preferably, the second snap-fit structure comprises a retaining ring 12 protruding from the inner bore 6 of the housing 1, the outer ring of the bearing 8 abuts against the retaining ring 12, and the retaining ring 12 limits the movement of the bearing 8 in the inner bore 6 of the housing 1.

The number of the bearings 8 in the inner hole 6 can be one or more.

When the number of the bearings 8 in the inner hole 6 is one, the transmission rod 7 is inserted into the inner ring of the bearing 8 to be tightly matched with the bearing 8, the outer ring of the bearing 8 is tightly matched with the inner wall of the inner hole 6, the transmission rod 7 is rotatably connected into the inner hole 6 of the shell 1, the clamp spring 14 clamped on the transmission rod 7 abuts against the inner ring on the inner side of the bearing 8, the outer ring on the outer side of the bearing 8 abuts against the convex retainer ring 12, the clamp spring 14 limits the relative movement of the bearing 8 and the transmission rod 7, and the retainer ring 12 limits the movement of the bearing 8 in the inner hole 6 of the shell 1.

When the number of the bearings 8 in the inner bore 6 is plural, it is preferable that the number of the bearings 8 is two, two bearings 8 are clamped on both sides of a retainer ring 12, the retainer ring 12 is in contact with outer rings of the two bearings 8, and the retainer ring 12 limits the movement of the bearings 8 in the inner bore 6 of the housing 1. Two clamp springs 14 can be clamped on the transmission rod 7, the two clamp springs 14 are respectively clamped at the left side and the right side of the two bearings 8, the clamp springs 14 are in contact with the inner rings of the bearings 8, and the clamp springs 14 limit the relative movement of the bearings 8 and the transmission rod 7; or the clamp spring 14 is clamped on the transmission rod 7 on one side of the two bearings 8, the clamp spring 14 is in contact with the inner rings of the bearings 8, the transmission rod 7 on the other side of the two bearings 8 is provided with a limiting step 16, the limiting step 16 is in contact with the inner rings of the bearings 8, and the limiting step 16 and the clamp spring 14 are clamped on two sides of the two bearings 8 to limit the relative movement of the bearings 8 and the transmission rod 7.

The retaining ring 12 is clamped between the two bearings 8 to enable a space to be reserved between the two bearings 8, the space between the two bearings 8 forms an oil storage space, the oil storage space can be used for storing lubricating oil, the rotating effect of the bearings 8 is better, and the bearings 8 play a role in reducing the rotating friction force of the transmission rod 7 relative to the shell 1.

When the motor of concrete vibrator started, the motor shaft of motor drove the integral key shaft and rotates, the integral key shaft inserts in the keyway 13 of transfer line 7 one end, and the integral key shaft rotates and drives transfer line 7 and rotate simultaneously, and transfer line 7 is located and is connected with electric drill chuck 2 on the external pole 3 outside the cover shell 1, and transfer line 7 rotates and drives electric drill chuck 2 and rotate simultaneously, and electric drill chuck 2 can be used for the different drill bit of clamping, makes the concrete vibrator can regard as the electric drill to use, makes the concrete vibrator usability stronger.

Example two:

the other structures of the second embodiment are the same as those of the first embodiment, except that the external connecting rod 3 is directly inserted into the jack at the tail end of the electric drill chuck 2, the jack of the electric drill chuck 2 is not provided with threads, and the external connecting rod 3 is tightly matched with the jack of the electric drill chuck 2, so that the external connecting rod 3 and the electric drill chuck 2 are fixed together.

Example three:

the other structures of the third embodiment are the same as those of the first embodiment, and the difference is that the extension rod 3 is directly inserted into the jack at the tail end of the electric drill chuck 2, the jack of the electric drill chuck 2 is not provided with threads, the extension rod 3 is tightly matched with the jack of the electric drill chuck 2, the extension rod 3 is provided with a central screw hole 4, the central screw hole 4 is arranged at the center of the end part of the extension rod 3, a screw is arranged at the center of the electric drill chuck 2, and the screw penetrates through the electric drill chuck 2 to be connected with the central screw hole 4, so that the extension rod 3 and the electric drill chuck 2 are fixed together.

The adapter of the concrete vibrator provided by the utility model is described in detail, a specific example is applied in the description to explain the principle and the implementation mode of the utility model, and the description of the embodiment is only used for helping to understand the utility model and the core idea. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. Concrete vibrator's adapter, its characterized in that is equipped with the hole including a cover shell on the cover shell, is equipped with internal thread and rotatory auxiliary member in the hole, the rotatory axle center position of rotatory auxiliary member is equipped with the keyway that has the socket and have the degree of depth, and keyway degree of depth extending direction is parallel or the coincidence with rotatory auxiliary member rotation axis, rotation that can be relative between keyway and the cover shell, the socket of keyway is located the hole of cover shell, the extension bar is connected to rotatory auxiliary member, and the extension bar is located outside the hole of cover shell, and keyway and extension bar rotate in step, the electric drill chuck is connected to the extension bar.

2. The adapter for a concrete vibrator according to claim 1, wherein said rotation aid is spaced apart from the female screw, and the female screw and the rotation aid are provided at both ends of the housing.

3. The adapter for a concrete vibrator according to claim 1 or 2, wherein said housing is a cylinder body, and both ends of the cylinder body are connected.

4. The adapter of the concrete vibrator of claim 1, wherein said external connecting rod is provided with an external thread and a central screw hole, said external thread is in threaded connection with an electric drill chuck, a screw is provided at the center of said electric drill chuck, and said screw passes through said electric drill chuck and is connected with said central screw hole.

5. The adapter for a concrete vibrator according to claim 1, wherein said rotation aid includes a bearing.

6. The adapter for a concrete vibrator according to claim 1 or 4, wherein said key slot and said extension bar are integrated into a single integral drive bar.

7. The adapter of concrete vibrator according to claim 1 or 4, wherein said rotation aid comprises a bearing, said key slot and said external rod are integrated on an integrated transmission rod, said transmission rod is inserted into the inner ring of said bearing, said transmission rod is limited in its axial movement in said bearing by a first clamping structure, and said bearing is limited in its movement in the inner bore of said housing by a second clamping structure.

8. The adapter for a concrete tamper according to claim 7, wherein said snap-fit structure includes a retaining groove and a snap spring on the drive rod, and wherein the snap spring is adapted to limit relative movement between the bearing and the drive rod.

9. The adapter for a concrete tamper according to claim 7, wherein said number of bearings is two, and wherein said second snap-fit structure includes a retaining ring projecting from an inner bore of said housing, said two bearings being clamped on opposite sides of said retaining ring.

10. The adapter of a concrete vibrator according to claim 9, wherein a space between two bearings forms an oil storage space.