CN214238044U

CN214238044U - Percussion bit convenient to disassemble and fix at end of pin shaft

Info

Publication number: CN214238044U
Application number: CN202023310290.XU
Authority: CN
Inventors: 王康博; 吴泽
Original assignee: Wuhan Zhongweideyuan Hydraulic Technology Co ltd
Current assignee: Wuhan Zhongweideyuan Hydraulic Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-21
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to a percussion bit technical field specifically is a conveniently demolish percussion bit who fixes at round pin axle port, including the drill bit body, the upside fixedly connected with connecting block of drill bit body, and the top of connecting block is provided with the installation piece, the inside of installation piece is seted up flutedly, and the inner wall of recess has the screw rod through bearing transverse connection, the swivel nut has been cup jointed to the surface symmetry of screw rod, and the equal fixedly connected with fixed block of downside of swivel nut, the spread groove has been seted up with the corresponding position of fixed block in both ends about the connecting block, the inside central point of screw rod puts the department and is provided with conical gear group. The utility model discloses be provided with screw rod and fixed block to be convenient for demolish the drill bit body from round pin axle port and install, be provided with the protection casing and collect the tooth, can effectively avoid the device to appear the phenomenon that the piece splashes at the in-process that carries out work, thereby can avoid the staff to appear the accidental injury.

Description

Percussion bit convenient to disassemble and fix at end of pin shaft

Technical Field

The utility model relates to a percussion bit technical field specifically is a conveniently demolish and fix percussion bit at round pin axle port.

Background

At the fitment, cement in the building trade, the ceramic tile, in the probing of marble etc., often use percussion bit, it is after permanent work at current percussion bit, wearing and tearing can appear in the drill bit part unavoidably, because the top and the round pin axle port of drill bit are connected through the bolt, therefore need change the drill bit with the help of appurtenance at the in-process of overhauing, the operation is comparatively loaded down with trivial details, and then influence staff's drilling efficiency, current percussion bit is in the in-process that uses in addition, the easy discharged piece appears along with the synchronous pivoted phenomenon of drill bit, and then easily lead to the piece to appear the possibility of splashing at the in-process of drilling, thereby can spatter staff's skin, harm staff's health, there is certain potential safety hazard, for this reason we have proposed one kind and conveniently demolish and fix the percussion bit at round pin axle port and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a conveniently dismantle and fix the percussion bit at round pin axle port to solve the current percussion bit who proposes in the above-mentioned background art and dismantle inconvenient and the not good problem of safety in utilization with round pin axle port.

In order to achieve the above object, the utility model provides a following technical scheme: an impact drill bit which is convenient to disassemble and fix at the end port of a pin shaft comprises a drill bit body, the upper side of the drill bit body is fixedly connected with a connecting block, and the top end of the connecting block is provided with an installation block, the interior of the installation block is provided with a groove, the inner wall of the groove is transversely connected with a screw rod through a bearing, the outer surface of the screw rod is symmetrically sleeved with screw sleeves, the lower sides of the threaded sleeves are fixedly connected with fixed blocks, the left end and the right end of the connecting block are provided with connecting grooves corresponding to the fixed blocks, the center position inside the screw is provided with a conical gear set, the front surface of the conical gear set is fixedly connected with a rotating shaft, the outer side of the rotating shaft is sleeved with a fixed frame, the left end and the right end of the fixing frame are fixedly connected with the inner wall of the groove, the upper side of the fixing block is fixedly connected with a sliding block, and the inside of the sliding block is transversely inserted with a connecting rod, and the outer side of the connecting rod is fixedly connected with the inner wall of the groove.

Preferably, the central position of the lower side of the mounting block is fixedly connected with an inserting block, and the upper side of the connecting block and the position corresponding to the inserting block are provided with clamping grooves.

Preferably, the outer side of the mounting block is sleeved with a first clamping block, the front face of the first clamping block is abutted to a second clamping block, the side, close to each other, of the first clamping block and the second clamping block is provided with a mounting mechanism, and the first clamping block and the second clamping block are fixedly connected with a protective cover on the lower side.

Preferably, the first fixture block and the second fixture block are provided with protruding blocks at one sides close to the mounting block, and the protruding blocks are uniformly distributed at the inner ends of the first fixture block and the second fixture block.

Preferably, the collecting teeth are uniformly distributed in the protective cover, and the longitudinal section of the collecting teeth is of an L-shaped structure.

Preferably, installation mechanism includes the articulated slab, the articulated slab is provided with two sets ofly altogether, and two sets of the articulated slab articulates both ends about the second fixture block respectively, the slotted hole has all been seted up to one side that the second fixture block was kept away from at both ends about the first fixture block, and the inner wall of slotted hole all vertically is connected with the spring, the inside of slotted hole is provided with the stopper, and the inner of stopper and the end fixed connection of spring, the mounting groove has been seted up with the corresponding position of stopper in the inside of articulated slab.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages that by arranging the screw rod and the fixed blocks, in the using process, the opposite movement of the two groups of fixed blocks can be realized by rotating the rotating shaft by workers, so that the drill bit body can be conveniently detached and installed from the pin shaft port, the operation is simple and rapid, other auxiliary tools do not need to be contacted, and the practicability of the device in the using process can be effectively enhanced;

through being provided with the protection casing and collecting the tooth, during the use, the staff can dock first fixture block and second fixture block, and then realizes the installation to the protection casing, can effectively avoid the device to appear the phenomenon that the piece splashes at the in-process that carries out work to can avoid the staff to appear the accidental injury, strengthen the security in this device use.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is a schematic top view of the structure of the present invention;

FIG. 3 is a schematic sectional view of the structure of the present invention from the bottom;

fig. 4 is a partially enlarged schematic view of a in fig. 1 according to the present invention;

fig. 5 is a partially enlarged schematic view of B in fig. 2 according to the present invention.

In the figure: 1. a drill bit body; 2. connecting blocks; 3. mounting blocks; 4. a screw; 5. a threaded sleeve; 6. a fixed block; 7. a slider; 8. a connecting rod; 9. a bevel gear set; 10. a rotating shaft; 11. a fixed mount; 12. inserting a block; 13. a first clamping block; 14. a second fixture block; 15. a protective cover; 16. a hinge plate; 17. a spring; 18. a limiting block; 19. the teeth are collected.

The specific implementation mode is as follows:

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. 1-5, the present invention provides an embodiment: a percussion drill bit convenient to disassemble and fix at a pin shaft port comprises a drill bit body 1, wherein a connecting block 2 is fixedly connected to the upper side of the drill bit body 1, an installation block 3 is arranged at the top end of the connecting block 2, the top end of the installation block 3 is fixedly connected with the pin shaft port, the installation block 3 drives the drill bit body 1 to realize drilling work through the driving of a driving device, a groove is formed in the installation block 3, a screw rod 4 is transversely connected to the inner wall of the groove through a bearing, screw sleeves 5 are symmetrically sleeved on the outer surface of the screw rod 4, fixing blocks 6 are fixedly connected to the lower sides of the screw sleeves 5, the thread directions of the two groups of screw sleeves 5 are opposite, so that the two groups of screw sleeves are driven by the screw rod 4 to move oppositely, connecting grooves are formed in the positions of the left end and the right end of the connecting block 2 corresponding to the fixing blocks 6, a conical gear set 9 is arranged at the central position in the screw rod 4, and a rotating shaft 10 is fixedly connected to the front side of the conical gear set 9, the bevel gear set 9 is composed of two groups of bevel gears, the two groups of bevel gears are respectively fixedly sleeved on the outer side of the back screw rod 4 of the rotating shaft 10, the outer side of the rotating shaft 10 is sleeved with a fixed frame 11, the left end and the right end of the fixed frame 11 are fixedly connected with the inner wall of the groove, the upper side of the fixed block 6 is fixedly connected with a sliding block 7, a connecting rod 8 is transversely inserted into the sliding block 7, and the outer side of the connecting rod 8 is fixedly connected with the inner wall of the groove;

further, as shown in fig. 1 and fig. 3, the central position of the lower side of the mounting block 3 is fixedly connected with the insertion block 12, the upper side of the connecting block 2 is provided with a clamping groove corresponding to the insertion block 12, in use, the lower side of the mounting block 3 can be arranged on the drill bit body 1, so that the connecting block 2 connected with the upper side of the drill bit body 1 is abutted to the lower side of the mounting block 3, the insertion block 12 fixedly connected with the lower side of the mounting block 3 can be inserted into the connecting block 2, the auxiliary positioning of the drill bit body 1 is realized, and the subsequent mounting work of the drill bit body 1 is facilitated.

Further, according to fig. 1, fig. 2 and fig. 3, the first fixture block 13 is sleeved on the outer side of the mounting block 3, the front face of the first fixture block 13 abuts against the second fixture block 14, the mounting mechanism is arranged on one side where the first fixture block 13 and the second fixture block 14 are close to each other, the first fixture block 13 and the second fixture block 14 are fixedly connected with the protective cover 15 on the lower side, when the drill bit is used, the second fixture block 14 and the first fixture block 13 can be sequentially sleeved on the outer side of the mounting block 3 and abutted against each other through the mounting mechanism, so that the protective cover 15 connected to the lower sides of the first fixture block 13 and the second fixture block 14 can be mounted, and in the using process of the drill bit body 1, the occurrence of the phenomenon of chipping can be avoided through the arrangement of the protective cover 15.

Further, as shown in fig. 1 and fig. 3, the first latch block 13 and the second latch block 14 are provided with a protruding block at one side close to the mounting block 3, and the protruding blocks are uniformly distributed at the inner ends of the first latch block 13 and the second latch block 14, and during the mounting process of the first latch block 13 and the second latch block 14, the protruding blocks connected with the inner ends of the first latch block 13 and the second latch block 14 can be in contact with the outer surface of the mounting block 3, so that the reliability of the protective cover 15 during the mounting process can be effectively improved.

Further, as shown in the attached drawing 1, the collecting teeth 19 are uniformly distributed in the protective cover 15, the longitudinal section of the collecting teeth 19 is of an L-shaped structure, in the using process, the fragments can enter the collecting teeth 19 arranged in the protective cover 15 to be collected in a centralized mode, the subsequent centralized treatment is facilitated, and the safety of the device in the using process can be further enhanced.

Further, as shown in fig. 1, fig. 2, fig. 3 and fig. 5, the mounting mechanism includes two hinge plates 16, two sets of hinge plates 16 are provided, and the two sets of hinge plates 16 are respectively hinged at the left and right ends of the second fixture block 14, a slot is provided at each of the left and right ends of the first fixture block 13 far from the second fixture block 14, and the inner wall of the slot is vertically connected with a spring 17, a stopper 18 is provided inside the slot, and the inner end of the stopper 18 is fixedly connected with the end of the spring 17, and a mounting groove is provided inside the hinge plate 16 corresponding to the stopper 18, when in use, the stopper 18 is pressed to be embedded in the slot, at this time, the hinge plate 16 is pulled to change the angle to approach the first fixture block 13, and then when the mounting groove provided inside the hinge plate 16 corresponds to the stopper 18, the stopper 18 is reset by the elastic force of the spring 17, thereby, the first latch 13 and the second latch 14 are butted.

The working principle is as follows: during the use, can arrange installation piece 3's downside in drill bit body 1, thereby make connecting block 2 and the 3 downside looks butt of installation piece that 1 upside of drill bit body is connected, make installation piece 3 downside fixed connection's inserted block 12 can insert to the inside of connecting block 2, at this moment, the staff can rotate pivot 10, make screw rod 4 through the drive switching-over rotation of conical gear group 9, thereby make two sets of swivel nut 5 that the screw rod 4 outside cup jointed carry out screw thread effect opposite direction removal with it, and then make swivel nut 5 downside connect fixed block 6 atress block among the spread groove that the connecting block 2 left and right sides was seted up, at the in-process that swivel nut 5 removed, slider 7 of 5 upside connection atress simultaneously, thereby can make slider 7 slide along the surface of connecting rod 8, thereby can effectively avoid swivel nut 5 along with screw rod 4 synchronous rotation.

After accomplishing the installation of drill bit body 1, can cup joint second fixture block 14 and first fixture block 13 in proper order in the outside of installation piece 3, can extrude stopper 18 immediately, make it inlay among the slot hole, accessible pulling articulated slab 16 this moment, make articulated slab 16 take place the angle change and be close to first fixture block 13, when the inside mounting groove of seting up of articulated slab 16 corresponds with stopper 18 position afterwards, stopper 18 is reset by spring 17's elasticity, thereby realize installing the protection casing 15 of first fixture block 13 and the 14 downside connections of second fixture block, at the in-process that drill bit body 1 used, the production of the piece phenomenon of splashing is avoided in the setting of accessible protection casing 15, above does the utility model discloses a whole theory of 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.

Claims

1. The utility model provides a conveniently dismantle and fix percussion bit at round pin axle port, includes drill bit body (1), its characterized in that: the drill bit comprises a drill bit body (1), wherein a connecting block (2) is fixedly connected to the upper side of the drill bit body (1), an installation block (3) is arranged at the top end of the connecting block (2), a groove is formed in the installation block (3), a screw rod (4) is transversely connected to the inner wall of the groove through a bearing, a screw sleeve (5) is symmetrically sleeved on the outer surface of the screw rod (4), a fixed block (6) is fixedly connected to the lower side of the screw sleeve (5), connecting grooves are formed in the left end and the right end of the connecting block (2) corresponding to the fixed block (6), a conical gear set (9) is arranged at the central position in the screw rod (4), a rotating shaft (10) is fixedly connected to the front side of the conical gear set (9), a fixing frame (11) is sleeved on the outer side of the rotating shaft (10), the left end and the right end of the fixing frame (11) are fixedly connected with the inner wall of the groove, a sliding block (7) is fixedly connected to the upper side of the fixed block (6), and a connecting rod (8) is transversely inserted in the sliding block (7), and the outer side of the connecting rod (8) is fixedly connected with the inner wall of the groove.

2. The percussion drill bit of claim 1, wherein the percussion drill bit is removably fixed to a port of the pin shaft, and further comprises: the installation block (3) is characterized in that an inserting block (12) is fixedly connected to the center of the lower side of the installation block, and a clamping groove is formed in the position, corresponding to the inserting block (12), of the upper side of the connecting block (2).

3. The percussion drill bit of claim 1, wherein the percussion drill bit is removably fixed to a port of the pin shaft, and further comprises: the outer side of the mounting block (3) is sleeved with a first clamping block (13), the front face of the first clamping block (13) is abutted to a second clamping block (14), a mounting mechanism is arranged on one side, close to each other, of the first clamping block (13) and the second clamping block (14), and the first clamping block (13) and the second clamping block (14) are fixedly connected with a protective cover (15) to the lower side.

4. The percussion drill bit of claim 3, wherein the percussion drill bit is removably fixed to the end of the pin shaft, and further comprises: the first clamping block (13) and the second clamping block (14) are provided with protruding blocks at one sides close to the mounting block (3), and the protruding blocks are uniformly distributed at the inner ends of the first clamping block (13) and the second clamping block (14).

5. The percussion drill bit of claim 3, wherein the percussion drill bit is removably fixed to the end of the pin shaft, and further comprises: the inside evenly distributed of protection casing (15) has collection tooth (19), and collects the longitudinal section of tooth (19) and set up to L type structure.

6. The percussion drill bit of claim 3, wherein the percussion drill bit is removably fixed to the end of the pin shaft, and further comprises: the installation mechanism comprises hinged plates (16), the hinged plates (16) are provided with two groups, the hinged plates (16) are hinged to the left end and the right end of the second fixture block (14) respectively, a groove hole is formed in one side, away from the second fixture block (14), of the left end and the right end of the first fixture block (13), a spring (17) is vertically connected to the inner wall of the groove hole, a limiting block (18) is arranged inside the groove hole, the inner end of the limiting block (18) is fixedly connected with the end of the spring (17), and an installation groove is formed in the position, corresponding to the limiting block (18), of the inside of the hinged plates (16).