CN111992770A

CN111992770A - Portable drilling machine

Info

Publication number: CN111992770A
Application number: CN202010852859.0A
Authority: CN
Inventors: 谢琼玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-22
Filing date: 2020-08-22
Publication date: 2020-11-27

Abstract

The invention discloses a portable drilling machine, which structurally comprises a drill bit, an installation head, an auxiliary handle, a machine body, a shoulder support, a main handle and a water inlet pipe, wherein one end of the machine body is connected with the installation head, the drill bit is installed on the installation head, and the other end of the machine body is connected with the shoulder support. The drill bit and the mounting head are firstly and fixedly connected preliminarily through threads, a spring is utilized to apply pressure to the clamping block, the clamping block is matched with the clamping groove, the drill bit is limited and fixed again, the drill bit is effectively prevented from rotating slightly and being excessively meshed with the mounting head, the drill bit is prevented from being cracked, the drill bit is prevented from being thrown away, the safety factor of operation is improved, a spring is utilized again to apply pressure to the liquid storage bag, cooling liquid can further generate pressure on the clamping block, the clamping block is prevented from shrinking inwards, the clamping firmness of the clamping block and the clamping groove can be further improved, the stability of the mounting of the drill bit and the mounting head can be greatly improved, and the drilling quality is improved.

Description

Portable drilling machine

Technical Field

The invention relates to the technical field of automatic special machines, in particular to a portable drilling machine.

Background

The air conditioning hole, the range hood hole, the water supply and drainage pipeline and the like are drilled by adopting a portable water drilling machine with a long pipe shape, a drill bit of the conventional portable water drilling machine and an installing head of the drilling machine are installed by screwing only through threads, and the drill bit is in high-speed rotation in a working state, so that the threaded part for connecting the drill bit and the installing head can be excessively meshed, the problem that the drill bit is easily cracked due to the excessive meshing of the threads under the long-time working is solved, the cracking can lead to the breakage of the drill bit, the drill bit can be thrown away greatly, and the operation risk coefficient is high.

Disclosure of Invention

The invention mainly aims to overcome the defects of the prior art and provide a portable drilling machine.

The invention is realized by adopting the following technical scheme: a portable drilling machine structurally comprises a drill bit, an installing head, an auxiliary handle, a machine body, a shoulder rest, a main handle and a water inlet pipe, wherein one end of the machine body is connected with the installing head, the drill bit is installed on the installing head, the other end of the machine body is connected with the shoulder rest, the auxiliary handle is arranged between the installing head and the shoulder rest and connected with the machine body, and the main handle and the water inlet pipe are arranged at the bottom of the machine body.

As optimization, the drill bit comprises a clamping groove, an internal thread, an installation channel, an installation block and a drill bit body, wherein the installation block which is integrated with the drill bit body is arranged at the top of the drill bit body, the installation channel is arranged on the installation block, the internal thread is arranged on the inner wall surface of the installation channel, and two clamping grooves which are arranged in parallel are arranged on six equal parts of the outer wall of the installation block;

preferably, the mounting head comprises a bottom ring, an outer ring, a top ring, a water inlet channel, a thread head, a first mounting cavity, an inner ring, a second mounting cavity, a clamping mechanism and a conveying ring X, the top ring is connected with the bottom ring through the outer ring and the inner ring, the outer ring and the inner ring are arranged in a concentric ring structure, the thread head which is collinear with the axis of the inner ring is arranged in the inner ring, the thread head is provided with the water inlet channel, the thread head is vertically connected with the inner top surface of the top ring, the first mounting cavity is formed between the thread head and the inner ring, the second mounting cavity is formed between the inner ring and the outer ring, the second mounting cavity is provided with the clamping mechanism and the conveying ring X, and the clamping mechanism is connected with the conveying ring X.

Preferably, the mounting block penetrates through the first mounting cavity, the threaded head penetrates through the mounting channel, and the external thread and the internal thread of the threaded head are in threaded connection.

Preferably, the clamping mechanism comprises a driven gear assembly, a driving gear assembly, a clamping assembly, a spring and a reinforcing assembly, one end of the spring is connected with the driven gear assembly, the other end of the spring is connected with the driving gear assembly, six clamping assemblies which are arranged in an equidistant mode are uniformly distributed on the spring, the reinforcing assembly is arranged below the clamping assemblies, the reinforcing assembly is connected with the driven gear assembly and the driving gear assembly, and the clamping assemblies are connected with the outer ring.

As optimization, the clamping assembly comprises a connecting plate, a clamping block, a liquid cylinder, an inner rod, a returning sleeve and a liquid pipe, wherein the clamping block is fixed at two ends of one surface of the connecting plate, the returning sleeve is connected to the other surface of the connecting plate, the liquid cylinders are arranged at two ends of the returning sleeve and connected with the clamping block through the inner rod, the liquid cylinders are seamlessly communicated with the liquid pipe, and the liquid pipe is connected to the reinforcing assembly.

Preferably, the liquid cylinder and the liquid pipe are fixedly connected with the inner wall surface of the outer ring, and the return sleeve is in clearance fit with the first spring.

Preferably, two through holes arranged in parallel are formed in the six equal dividing positions of the inner ring, and the through holes are in clearance fit with the clamping blocks.

As optimizing, consolidate the subassembly including initiative rolling wheel, driven rolling wheel, C type stopper, reservoir, protruding type piece, clockwork spring No. two, C type stopper, be equipped with ten and establish ties together through the clockwork spring No. two, the one end of clockwork spring links to each other with the initiative rolling wheel, and the other end meets with driven rolling wheel, C type stopper links to each other with reservoir one end, the other end and the C type stopper of reservoir meet, protruding type piece and the cooperation of C type stopper, the liquid outlet that protruding type piece was kept away from to the reservoir is connected with liquid pipe through carrying ring X.

Preferably, the driving reel is mounted on a driving shaft of the driving gear assembly, and the driven reel is mounted on a driven shaft of the driven gear assembly.

Advantageous effects

The installation block passes through the installation cavity I, so that the external thread of the screw head is meshed with the internal thread, the drill bit is rotated, the drill bit is installed on the installation block until the installation block is limited by the ejector ring, the clamping groove corresponds to the through hole, the driving gear assembly is driven to rotate by the micro motor, the driving gear assembly drives the driven gear assembly to rotate, so that the first spring and the second spring are wound inwards, the first spring is wound inwards, the clamping block is driven by the first spring through the return sleeve and the connecting plate to pass through the through hole and enter the clamping groove, the clamping block clamps the clamping groove, clamping and fixing of the installation block are realized, the second spring is wound inwards, the liquid storage bag is pressed by the convex block, so that the cooling liquid in the liquid storage bag is extruded out, the extruded cooling liquid enters the liquid cylinder through the conveying ring X and the liquid pipe, and the inner rod is driven to extend outwards by the clamping block, so that the liquid cylinder, thereby the coolant liquid can further produce pressure to the fixture block for the fixture block can firmly block the draw-in groove, thereby can further improve the installation fastness of drill bit and installation head, effectively prevent taking place to rock in the high-speed rotation of drill bit, perhaps take place the excessive meshing of thread head and internal thread, avoid excessive meshing to make the installation piece burst.

Compared with the prior art, the invention has the beneficial effects that: the invention is combined by a clamping groove, an internal thread, an installation channel, an installation block, a drill bit body, a bottom ring, an outer ring, a top ring, a water inlet channel, a thread head, a first installation cavity, an inner ring, a second installation cavity, a clamping mechanism and a conveying ring X, wherein the drill bit and the installation head are firstly fixedly connected through the thread, a spring is used for pressing the clamping block to ensure that the clamping block is matched with the clamping groove, the drill bit is limited and fixed again, the drill bit is effectively prevented from rotating slightly and being meshed with the mounting head excessively, the drill bit is prevented from cracking, the drill bit is prevented from being thrown out, the operation safety coefficient is improved, the spring II is used for applying pressure to the liquid storage bag, the cooling liquid can further generate pressure on the clamping block, the clamping block is prevented from shrinking inwards, therefore, the clamping performance of the clamping block and the clamping groove can be further improved, the mounting stability of the drill bit and the mounting head can be greatly improved, and the drilling quality can be improved.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of a portable drilling machine according to the present invention.

FIG. 2 is a schematic cross-sectional view of a drill bit according to the present invention.

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

FIG. 4 is a schematic view of the structure of the clamping mechanism of the present invention cooperating with the outer ring and the inner ring.

Fig. 5 is a schematic structural diagram of the card assembly of the present invention.

Fig. 6 is a schematic structural view of a reinforcing member of the present invention.

Fig. 7 is a schematic structural view of the liquid storage bag of the present invention, a C-shaped stopper 953, and a convex block.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

the drill bit comprises a drill bit 1, a mounting head 2, an auxiliary handle 3, a machine body 4, a shoulder rest 5, a main handle 6, a water inlet pipe 7, a clamping groove 1b, an internal thread 2b, a mounting channel 3b, a mounting block 4b, a drill bit body 5b, a bottom ring 1a, an outer ring 2a, a top ring 3a, a water inlet channel 4a, a thread head 5a, a first mounting cavity 6a, an inner ring 7a, a second mounting cavity 8a, a clamping mechanism 9a, a conveying ring X, a driven gear assembly 901, a driving gear assembly 902, a clamping group 903, a first spring 904, a reinforcing assembly 905, a connecting plate 931, a clamping block 932, a liquid barrel 933, an inner rod 934, a clip 935, a liquid pipe 936, a through hole 7a1, a movable winding wheel 951, a driven winding wheel 952, a C-shaped limiting block 953, a liquid storage bag 954, a convex block 955 and a.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a portable drilling machine, which comprises: the structure of the multifunctional combined type water-saving machine comprises a drill bit 1, an installing head 2, an auxiliary handle 3, a machine body 4, a shoulder rest 5, a main handle 6 and a water inlet pipe 7, wherein one end of the machine body 4 is connected with the installing head 2, the drill bit 1 is installed on the installing head 2, the other end of the machine body 4 is connected with the shoulder rest 5, the auxiliary handle 3 is arranged between the installing head 2 and the shoulder rest 5, the auxiliary handle 3 is connected with the machine body 4, and the main handle 6 and the water inlet pipe 7 are arranged at the bottom of the machine body 4.

The drill bit 1 comprises a clamping groove 1b, an internal thread 2b, an installation channel 3b, an installation block 4b and a drill bit body 5b, wherein the installation block 4b which is of an integrated structure with the drill bit body 5b is arranged at the top of the drill bit body 5b, the installation channel 3b is arranged on the installation block 4b, the internal thread 2b is arranged on the inner wall surface of the installation channel 3b, and two clamping grooves 1b which are arranged in parallel are arranged on six equal parts of the outer wall of the installation block 4 b;

the mounting head 2 comprises a bottom ring 1a, an outer ring 2a, a top ring 3a, a water inlet channel 4a, a thread head 5a, a first mounting cavity 6a, an inner ring 7a, a second mounting cavity 8a, a clamping mechanism 9a and a conveying ring X, the top ring 3a is connected with the bottom ring 1a through an outer ring 2a and an inner ring 7a, the outer ring 2a and the inner ring 7a are arranged in a concentric ring structure, a thread head 5a which is collinear with the axis of the inner ring 7a is arranged in the inner ring 7a, the thread head 5a is provided with a water inlet channel 4a, the thread head 5a is vertically connected with the inner top surface of the top ring 3a, a first installation cavity 6a is formed between the thread head 5a and the inner ring 7a, a second installation cavity 8a is formed between the inner ring 7a and the outer ring 2a, the second installation cavity 8a is provided with a clamping mechanism 9a and a conveying ring X, and the clamping mechanism 9a is connected with the conveying ring X.

The mounting block 4b passes through the first mounting cavity 6a and the threaded head 5a passes through the mounting channel 3b, so that the external thread of the threaded head 5a is in threaded connection with the internal thread 2 b.

The first mounting cavity 6a is configured to receive the mounting block 4b, and the mounting channel 3b is configured to receive the screw head 5 a.

The above-described screw head 5a and the female screw 2b are provided in combination in such a manner that the preliminary fixing of the drill 1 and the mounting head 2 can be achieved.

The clamping mechanism 9a comprises a driven gear assembly 901, a driving gear assembly 902, a clamping assembly 903, a first spring 904 and a reinforcing assembly 905, one end of the first spring 904 is connected with the driven gear assembly 901, the other end of the first spring 904 is connected with the driving gear assembly 902, six clamping assemblies 903 which are arranged in an equidistant mode are uniformly distributed on the first spring 904, a reinforcing assembly 905 is arranged below the clamping assembly 903, the reinforcing assembly 905 is connected with the driven gear assembly 901 and the driving gear assembly 902, and the clamping assemblies 903 are connected with the outer ring 2 a.

The driven gear assembly 901 and the driving gear assembly 902 are combined to be able to wind or unwind both ends of a first spring 904 at the same time, thereby improving the adjustment efficiency.

The clamping set 903 comprises a connecting plate 931, a clamping block 932, a liquid cylinder 933, an inner rod 934, a returning sleeve 935 and a liquid pipe 936, two ends of one surface of the connecting plate 931 are fixed with the clamping block 932, the other surface of the connecting plate is connected with the returning sleeve 935, two ends of the returning sleeve 935 are provided with the liquid cylinder 933, the liquid cylinder 933 is connected with the clamping block 932 through the inner rod 934, the liquid cylinder 933 is seamlessly communicated with the liquid pipe 936, the liquid pipe 936 is connected with the reinforcing component 905, the liquid cylinder 933, the liquid pipe 936 and the inner wall surface of the outer ring 2a are fixedly connected, and the returning sleeve 935 and the spring 904 are in clearance fit.

The setting of above-mentioned interior pole 934 lies in can following the fixture block 932 displacement, and it is overhanging along with fixture block 932 to make liquid cylinder 933 have certain space and can hold the coolant liquid when interior pole 934, then interior pole 934 can push out liquid cylinder 933 with the coolant liquid when interior pole 934 contracts along with fixture block 932 for the coolant liquid can be by the high potential in the liquid storage bag 954 that flows into to the low potential.

The arrangement of the swage sleeve 935 enables the first spring 904 to apply force to the swage sleeve 935, so that the swage sleeve 935 can drive the fixture 932 to extend or retract through the connecting plate 931.

The liquid pipe 936 is provided to perform a function of liquid delivery, and the coolant can enter the liquid cartridge 933 and can also enter the reservoir 954 through the liquid pipe 936.

Two through holes 7a1 arranged in parallel are arranged on six equal parts of the inner ring 7a, and the through holes 7a1 are in clearance fit with the clamping blocks 932.

The arrangement of the through hole 7a1 facilitates the movable displacement of the clamping block 932, so that the clamping block 932 is hidden by retraction, the mounting block 4b is connected with the thread head 5a, the through hole 7a1 corresponds to the clamping groove 1b, and the clamping block 932 can penetrate through the through hole 7a1 to be clamped with the clamping groove 1 b.

The reinforcing component 905 comprises a driving winding wheel 951, a driven winding wheel 952, a C-shaped limiting block 953, a liquid storage bag 954, a convex block 955 and a second spring 956, the C-shaped limiting block 953 is provided with ten blocks and is connected in series through the second spring 956, one end of the second spring 956 is connected with the driving winding wheel 951, the other end of the second spring 956 is connected with the driven winding wheel 952, the C-shaped limiting block 953 is connected with one end of the liquid storage bag 954, the other end of the liquid storage bag 954 is connected with the C-shaped limiting block 953, the convex block 955 is matched with the C-shaped limiting block 953, a liquid outlet of the liquid storage bag 954, far away from the convex block 955, is connected with a liquid pipe 936 through a conveying ring X, and cooling liquid is placed in the liquid storage bag 954.

The C-shaped limiting block 953 has a limiting effect on the liquid storage bag 954, so that the liquid storage bag 954 is pressed or reset, and the liquid storage bag 954 is prevented from deviating.

The provision of the male protrusion 955 enables the opening therein to be engaged by the spring 956, so that the spring 956 can displace the protrusion 955, and the protrusion 955 can apply a force to the reservoir 954.

The spring 956 is arranged to press the reservoir 954 by the protrusion 955 so that the cooling of the inside of the reservoir 954 is also pushed out, and to restore the reservoir 954 by the protrusion 955 so that the reservoir 954 has a space to receive the cooling liquid.

The driving winding wheel 951 is mounted on a driving shaft of the driving gear assembly 902, and the driven winding wheel 952 is mounted on a driven shaft of the driven gear assembly 901, so that the first winding spring 904 is wound, the second winding spring 956 is also wound, and the first winding spring 904 is wound, and the second winding spring 956 is also wound.

The working principle of the invention is as follows: the installation block 4b penetrates through the first installation cavity 6a, the external thread of the thread head 5a is meshed with the internal thread 2b, the drill bit 1 is rotated, the drill bit 1 is installed on the installation head 2 until the installation block 4b is limited by the top ring 3a, the clamping groove 1b corresponds to the through hole 7a1, the driving gear assembly 902 is driven to rotate by the micro-motor, the driving gear assembly 902 drives the driven gear assembly 901 to rotate, the first spring 904 and the second spring 956 are curled inwards, the first spring 904 drives the clamping block 932 to penetrate through the through hole 7a1 to enter the clamping groove 1b through the swage sleeve 935 and the connecting plate 931, the clamping block 932 is enabled to clamp the clamping groove 1b, the clamping and fixing of the installation block 4b are achieved, the inner winding of the second spring 956 is enabled to press the liquid storage bag 954 through the convex block 955, cooling liquid inside the liquid storage bag is extruded, and the extruded cooling liquid passes through the conveying ring X, the B, the V, liquid pipe 936 gets into liquid cylinder 933, because fixture block 932 can drive interior pole 934 overhanging, make liquid cylinder 933 have the space and hold the coolant liquid, thereby the coolant liquid can further produce pressure to fixture block 932, make fixture block 932 can firmly block draw-in groove 1b, thereby can further improve the installation fastness of drill bit 1 and installation head 2, effectively prevent to take place to rock in the high-speed rotation of drill bit 1, perhaps take place the excessive meshing of thread head 5a and internal thread 2b, avoid excessive meshing to make installation piece 4b collapse and split.

In summary, the technical progress obtained by the invention compared with the prior art is as follows: the invention is combined by a clamping groove, an internal thread, an installation channel, an installation block, a drill bit body, a bottom ring, an outer ring, a top ring, a water inlet channel, a thread head, a first installation cavity, an inner ring, a second installation cavity, a clamping mechanism and a conveying ring X, wherein the drill bit and the installation head are firstly fixedly connected through the thread, a spring is used for pressing the clamping block to ensure that the clamping block is matched with the clamping groove, the drill bit is limited and fixed again, the drill bit is effectively prevented from rotating slightly and being meshed with the mounting head excessively, the drill bit is prevented from cracking, the drill bit is prevented from being thrown out, the operation safety coefficient is improved, the spring II is used for applying pressure to the liquid storage bag, the cooling liquid can further generate pressure on the clamping block, the clamping block is prevented from shrinking inwards, therefore, the clamping performance of the clamping block and the clamping groove can be further improved, the mounting stability of the drill bit and the mounting head can be greatly improved, and the drilling quality can be improved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a portable drilling machine, its structure is including drill bit (1), installation head (2), supplementary hand (3), organism (4), shoulder support (5), main handle (6), inlet tube (7), organism (4) one end links to each other with installation head (2), and the other end is held in the palm (5) with the shoulder and is met, installation head (2) are equipped with drill bit (1), be equipped with between installation head (2) and the shoulder support (5) supplementary hand (3) of being connected with organism (4), organism (4) still are equipped with main handle (6), inlet tube (7), its characterized in that:

the drill bit (1) comprises a clamping groove (1b), an internal thread (2b), an installation channel (3b), an installation block (4b) and a drill bit body (5b), the drill bit body (5b) is provided with the installation block (4b), the installation channel (3b) and the clamping groove (1b) are formed in the installation block (4b), and the internal thread (2b) is arranged in the installation channel (3 b);

the mounting head (2) comprises a bottom ring (1a), an outer ring (2a), a top ring (3a), a water inlet channel (4a), a threaded head (5a), a first mounting cavity (6a), an inner ring (7a), a second mounting cavity (8a), a clamping mechanism (9a) and a conveying ring (X), wherein the top ring (3a) is connected with the bottom ring (1a) through the outer ring (2a) and the inner ring (7a), the threaded head (5a) is arranged in the inner ring (7a), the threaded head (5a) is provided with the water inlet channel (4a), the threaded head (5a) is connected with the top ring (3a), the first mounting cavity (6a) is formed between the threaded head (5a) and the inner ring (7a), the second mounting cavity (8a) is formed between the inner ring (7a) and the outer ring (2a), and the second mounting cavity (8a) is provided with the clamping mechanism (9a), A delivery ring (X).

2. A hand-held drilling machine according to claim 1, wherein: the mounting block (4b) penetrates through the first mounting cavity (6a) and the thread head (5a) penetrates through the mounting channel (3b), and the thread head (5a) is connected with the internal thread (2 b).

3. A hand-held drilling machine according to claim 1, wherein: the clamping mechanism (9a) comprises a driven gear assembly (901), a driving gear assembly (902), a clamping set (903), a spring (904) and a reinforcing assembly (905), the spring (904) and the reinforcing assembly (905) are connected with the driven gear assembly (901) and the driving gear assembly (902), and the spring (904) is provided with the clamping set (903) connected with the outer ring (2 a).

4. A hand held drilling machine as claimed in claim 3, wherein: the clamping assembly (903) comprises a connecting plate (931), a clamping block (932), a liquid tube (933), an inner rod (934), a clip-shaped sleeve (935) and a liquid tube (936), the connecting plate (931) is fixed with the clamping block (932) and the clip-shaped sleeve (935), the clamping block (932) is connected with the liquid tube (933) through the inner rod (934), the liquid tube (933) is communicated with the liquid tube (936), and the liquid tube (936) is connected with the reinforcing assembly (905).

5. A hand-held drilling machine according to claim 4, wherein: the liquid cylinder (933) and the liquid pipe (936) are connected with the outer ring (2a), and the clip-shaped sleeve (935) is matched with the first spiral spring (904).

6. A hand-held drilling machine according to claim 1, wherein: two through holes (7a1) which are arranged in parallel are formed in the six equal parts of the inner ring (7a), and the through holes (7a1) are in clearance fit with the clamping blocks (932).

7. A hand held drilling machine as claimed in claim 3, wherein: consolidate subassembly (905) including initiative rolling wheel (951), driven rolling wheel (952), C type stopper (953), reservoir (954), protruding type piece (955), No. two clockwork springs (956), C type stopper (953), be equipped with ten and establish ties through No. two clockwork springs (956), No. two clockwork springs (956) meet with initiative rolling wheel (951), driven rolling wheel (952), C type stopper (953) link to each other with reservoir (954), reservoir (954) meet with C type stopper (953), protruding type piece (955) and C type stopper (953) cooperation, reservoir (954) is connected with liquid pipe (936) through carrying ring (X).