CN210755345U

CN210755345U - Portable manual multi-purpose drilling equipment

Info

Publication number: CN210755345U
Application number: CN201921676490.1U
Authority: CN
Inventors: 袁继武
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-06-16
Anticipated expiration: 2029-10-09

Abstract

The utility model relates to a portable manual multi-purpose drilling equipment, including the double-end hob, with drill bit centre gripping component and the drill bit that the lower stalk portion of double-end hob is connected, characterized by: the middle part of a spiral flying block is fixedly connected with the lower handle part of the double-head screw rod, and the spiral flying block is positioned on the drill bit clamping component; a bearing support seat is tightly matched with the lower handle part of the double-head screw rod; a bearing spring seat is arranged in the lower opening part of the sleeve, and the upper ends of two sides of the sleeve are respectively provided with symmetrical connecting blocks; the other two sides of the sleeve are provided with symmetrical chutes; a spiral spring is arranged between the sleeve and the double-end screw rod, and the lower end of the spiral spring is tightly propped against the lower spring seat of the bearing; a manual component is matched with the double-head screw rod, the sleeve and the spiral spring and can move up and down along the sliding groove to enable the double-head screw rod to rotate; an end cap assembly is connected to the upper end of the sleeve. The utility model discloses need not electric drive, can carry out drilling processing to timber, concrete and steel sheet.

Description

Portable manual multi-purpose drilling equipment

Technical Field

The utility model relates to a drilling processing, concretely relates to portable manual multi-purpose drilling equipment.

Background

Drilling is a common machining operation. In the mechanical industry, drilling is mostly completed in workshops by using electrically driven machine tools or special equipment. However, in daily work, it is sometimes necessary to drill in the field without a power supply, and the number of drilled holes is not large, and it is impossible to use a machine tool or a dedicated device driven by electric power, and it is also uneconomical. Therefore, there is a need for an economical and practical drilling apparatus.

CN 208721431U discloses a "portable lever soil compacting type soil drilling device", which comprises a lever soil compacting device for taking out soil samples in a drill bit, a main rod and a drill bit arranged at the lower end of the main rod; the lever soil compacting device comprises a movable plug, a transmission rod and a manual rod; the movable plug is arranged in the drill bit and can move up and down along the inner wall of the drill bit, the lower end of the transmission rod penetrates through the drill bit and is hinged with the movable plug, the end part of the manual rod is hinged with the upper end of the transmission rod, and the middle part of the manual rod is hinged with the main rod; and when the manual rod rotates upwards, the transmission rod can drive the movable plug to move downwards along the inner wall of the drill bit. The device has greatly simplified the complicated process of taking out the soil sample from the drill bit, has saved a large amount of valuable time for field test, and its structure and principle are simple and understandable, convenient operation is nimble, the specification is little, light in weight, can not influence the normal use of soil drill.

CN 109551586a discloses a "manual pulling type workpiece drilling device", which comprises a main shaft and a drill, wherein the drill is fixedly connected with one end of the main shaft. The manual traction type workpiece drilling device further comprises a sleeve, a first bearing and a second bearing. The main shaft is movably connected with the sleeve through the first bearing and the second bearing, and the main shaft and the sleeve are coaxial. The technical scheme has the following beneficial effects: the structure is simple, manual operation is adopted in the whole process, and soft materials such as cork and the like can be drilled manually, so that electric energy is saved.

The above prior art is of course an advantageous attempt in the art.

Disclosure of Invention

The utility model aims at providing a portable manual multipurpose drilling device which can drill wood, concrete and steel plates without electric drive; simple structure and convenient carrying.

A portable manual multi-purpose drilling equipment, drill bit centre gripping component and drill bit, characterized by that be connected including double-end hob, with the lower stalk portion of double-end hob:

the middle part of a spiral flying block is fixedly connected with the lower handle part of the double-head spiral rod, and the spiral flying block is positioned on the drill bit clamping component;

a bearing support seat is tightly matched with the lower handle part of the double-head screw rod, and the bearing support seat is positioned above the spiral flying block;

a bearing spring seat is arranged in the lower opening part of a sleeve, and the upper ends of two sides of the sleeve are respectively provided with symmetrical connecting blocks; the other two sides of the sleeve are provided with symmetrical sliding chutes, the upper ends of the sliding chutes are communicated with the upper opening part of the sleeve, and the lower ends of the sliding chutes are close to the lower opening part of the sleeve; the sleeve is sleeved outside the double-end screw rod, and the lower end of the sleeve is tightly abutted to the bearing support seat;

a spiral spring is arranged between the sleeve and the double-end screw rod, and the lower end of the spiral spring is tightly propped against the lower spring seat of the bearing;

a manual component is matched with the double-head screw rod, the sleeve and the spiral spring and can move up and down along the sliding groove to enable the double-head screw rod to rotate;

an end cap assembly is connected to the upper end of the sleeve.

Furthermore, the manual component comprises a guide sleeve sleeved outside the double-end screw rod, two arc-shaped sliding blocks symmetrically arranged with the outside of the sleeve and two sliding pins; one ends of the two sliding pins transversely penetrate through the arc-shaped sliding block and the guide sleeve and are fixedly connected with the arc-shaped sliding block and the guide sleeve, and the end heads of the two sliding pins are respectively contacted with a spiral groove of the double-end spiral rod; the other ends of the two sliding pins are respectively connected with a handle; the lower end of the guide sleeve is tightly abutted to the upper end of the spiral spring; the parts of the two sliding pins between the guide sleeve and the arc-shaped sliding blocks correspond to the sliding grooves on two sides of the sleeve respectively.

Further, the end cover assembly comprises a guide bearing, a compression connecting piece and an end cover, wherein the guide bearing is arranged at the upper opening part of the sleeve and is matched with the upper handle part of the double-head screw rod; the compression connecting piece is pressed on the guide bearing and is connected and fastened with connecting blocks on two sides of the upper end of the sleeve through threaded fasteners; the end cover is connected to the upper surface of the compression connecting piece in a matching mode.

Furthermore, two parts of the spiral flyweight are respectively provided with two weighted flyweight connecting holes.

Further, the lower end part of the double-end screw rod 1 is provided with an axial threaded hole which is matched with a locking screw.

Further, the angle α of the centre lines of the two handles of the manual member is 160-180.

The utility model has the advantages that:

the double-head screw rod can rotate without a power supply to realize drilling processing, and is particularly suitable for drilling processing in the field without the power supply; the structure is simple and compact, the operation is convenient, and the carrying is convenient.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a view from A-A of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a schematic view of a double-ended screw rod coupled to a screw flyweight;

FIG. 5 is an enlarged view of the upper structure of FIG. 1;

FIG. 6 is a structural schematic of the manual member;

fig. 7 is a top view of fig. 6.

In the figure:

1-double-end screw rod, 11-threaded hole;

2-bit clamping member, 21-locking screw;

3, a drill bit;

4-spiral flyweight, 41-heavy flyweight connecting hole;

5, bearing support seats;

6-sleeve, 61-bearing spring seat, 62-connecting block, 63-chute;

7-a helical spring;

8-manual component, 81-guide sleeve, 82-arc slide block, 83-slide pin, 84-handle;

9-end cover assembly, 91-guide bearing, 92-compression connecting piece, 93-end cover, 94-threaded fastener.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1 to 7, a portable manual multipurpose drilling apparatus includes a double-ended screw rod 1, a bit holding member 2 connected to a lower shank portion of the double-ended screw rod, and a bit 3, wherein the bit holding member is a holding member of an existing bench drill, and is characterized in that:

the middle part of a spiral flyweight 4 is fixedly connected with the lower handle part of the double-head spiral rod 1, and the spiral flyweight 4 is positioned on the drill bit clamping component 2;

a bearing support seat 5 is tightly matched with the lower handle part of the double-head screw rod 1, and the bearing support seat 5 is positioned above the spiral flyweight 4; the bearing support seat is a set of common ball bearings.

A bearing spring seat 61 is arranged in the lower opening part of a sleeve 6, and the upper ends of two sides of the sleeve 6 are respectively provided with symmetrical connecting blocks 62; the other two sides of the sleeve 6 are provided with symmetrical sliding chutes 63, the upper ends of the sliding chutes 63 are communicated with the upper opening part of the sleeve 6, and the lower ends of the sliding chutes 63 are close to the lower opening part of the sleeve 6; the sleeve 6 is sleeved outside the double-head screw rod 1, and the lower end of the sleeve is tightly abutted to the bearing support seat 5;

a helical spring 7 is arranged between the sleeve 6 and the double-end helical rod 1, and the lower end of the helical spring 7 is tightly abutted with the lower spring seat 61 of the bearing; the lower spring seat of the bearing is also a set of common ball bearings.

A manual member 8, which is engaged with the double-ended screw rod 1, the sleeve 6 and the coil spring 7, can move up and down along the sliding groove 63 to rotate the double-ended screw rod 1; and then the drill bit is driven to rotate, and drilling machining is achieved.

An end cap assembly 9 is attached to the upper end of the sleeve 6.

The manual component 8 comprises a guide sleeve 81 sleeved outside the double-end screw rod 1, two arc-shaped sliding blocks 82 symmetrically arranged with the sleeve 6 and two sliding pins 83; one ends of the two sliding pins 83 transversely penetrate through the arc-shaped sliding block 82 and the guide sleeve 81 and are fixedly connected with the arc-shaped sliding block and the guide sleeve, and the end heads of the two sliding pins 83 are respectively contacted with a spiral groove of the double-end screw rod 1; the other ends of the two sliding pins 83 are respectively connected with a handle 84; the lower end of the guide sleeve 81 is tightly abutted with the upper end of the spiral spring 7; the two sliding pins 83 located between the guide sleeve 81 and the arc-shaped sliding block 82 correspond to the sliding grooves 63 on both sides of the sleeve 6. An operator holds the two handles by a handle to apply force downwards, the two sliding pins move downwards along the spiral grooves of the double-head screw rod to rotate the double-head screw rod, and then the drill bit clamping component and the drill bit connected to the lower handle part of the double-head screw rod are driven to rotate, so that drilling processing is realized; when an operator applies force downwards to a proper position, the manual member does not apply force any more, and moves upwards under the action of the spiral spring, so that the rotating direction of the double-head spiral rod is changed, and drilling is eliminated; the drilling operation can be completed by the circulation.

The end cover assembly 9 comprises a guide bearing 91, a compression connecting piece 92 and an end cover 93, wherein the guide bearing 91 is arranged at the upper opening part of the sleeve 6 and is matched with the upper handle part of the double-head screw rod 1; the compression connecting piece 92 is pressed on the guide bearing 91 and is connected and fastened with the connecting blocks 62 on two sides of the upper end of the sleeve 6 through threaded fasteners 94; the end cover 93 is connected on the compression connecting piece 92 in a matching way; so as to avoid the contact of the handle part on the rotating double-head screw rod with the human body and cause accidental injury.

Two parts of the spiral flyweight 4 are respectively provided with two weight flyweight connecting holes 41. When drilling on concrete or steel plates is required, the weighted flyweights can be conveniently installed to increase the rotational inertia.

The lower end part of the double-end screw rod 1 is provided with an axial threaded hole 11, and the threaded hole 11 is matched with a locking screw 21; the lower handle part of the locking double-head screw rod is connected with the drill bit clamping component in a thread fit manner, so that the lower handle part is prevented from falling off in the drilling process.

The angle α of the centre lines of the two handles 84 of the manual member 8 is 160-180.

Claims

1. The utility model provides a portable manual multi-purpose drilling equipment, includes double-end hob (1), drill bit clamping member (2) and drill bit (3) be connected with the lower stalk portion of double-end hob, characterized by:

the middle part of a spiral flyweight (4) is fixedly connected with the lower handle part of the double-head screw rod (1), and the spiral flyweight (4) is positioned on the drill bit clamping component (2);

a bearing support seat (5) is tightly matched with the lower handle part of the double-head screw rod (1), and the bearing support seat (5) is positioned above the spiral flyweight (4);

a bearing spring seat (61) is arranged in the lower opening part of the sleeve (6), and the upper ends of two sides of the sleeve (6) are respectively provided with symmetrical connecting blocks (62); the other two sides of the sleeve (6) are provided with symmetrical sliding chutes (63), the upper ends of the sliding chutes (63) are communicated with the upper opening part of the sleeve (6), and the lower ends of the sliding chutes (63) are close to the lower opening part of the sleeve (6); the sleeve (6) is sleeved outside the double-end screw rod (1), and the lower end of the sleeve is tightly abutted to the bearing support seat (5);

a spiral spring (7) is arranged between the sleeve (6) and the double-head spiral rod (1), and the lower end of the spiral spring (7) is tightly abutted to the bearing spring seat (61);

a manual component (8) is matched with the double-head screw rod (1), the sleeve (6) and the spiral spring (7) and can move up and down along the sliding groove (63) to enable the double-head screw rod (1) to rotate;

an end cap assembly (9) is connected to the upper end of the sleeve (6).

2. A portable hand-operated multipurpose drilling apparatus according to claim 1, wherein: the manual component (8) comprises a guide sleeve (81) sleeved outside the double-head screw rod (1), two arc-shaped sliding blocks (82) and two sliding pins (83), wherein the two arc-shaped sliding blocks are symmetrically arranged with the outer side of the sleeve (6); one ends of the two sliding pins (83) transversely penetrate through the arc-shaped sliding block (82) and the guide sleeve (81) and are fixedly connected with the arc-shaped sliding block and the guide sleeve, and the ends of the two sliding pins (83) are respectively contacted with a spiral groove of the double-end spiral rod (1); the other ends of the two sliding pins (83) are respectively connected with a handle (84); the lower end of the guide sleeve (81) is tightly abutted with the upper end of the spiral spring (7); the parts of the two sliding pins (83) between the guide sleeve (81) and the arc-shaped sliding blocks (82) respectively correspond to the sliding grooves (63) on the two sides of the sleeve (6).

3. A portable hand operated multipurpose drilling apparatus according to claim 1 or 2, wherein: the end cover assembly (9) comprises a guide bearing (91), a compression connecting piece (92) and an end cover (93), wherein the guide bearing (91) is arranged at the upper opening part of the sleeve (6) and is matched with the upper handle part of the double-head screw rod (1); the compression connecting piece (92) is pressed on the guide bearing (91) and is connected and fastened with connecting blocks (62) on two sides of the upper end of the sleeve (6) through threaded fasteners (94); the end cover (93) is connected on the compression connecting piece (92) in a matching way.

4. A portable hand-operated multipurpose drilling apparatus according to claim 1, wherein: two parts of the spiral flyweight (4) are respectively provided with two weighted flyweight connecting holes (41).

5. A portable hand-operated multipurpose drilling apparatus according to claim 1, wherein: the lower end part of the double-end screw rod (1) is provided with an axial threaded hole (11), and the threaded hole (11) is matched with a locking screw (21).

6. The portable manual multipurpose drilling device according to claim 2, characterized in that the included angle α of the center lines of the two handles (84) of the manual member (8) is 160-180 °.