CN214214063U

CN214214063U - Hole digger with adjustable aperture

Info

Publication number: CN214214063U
Application number: CN202023333162.7U
Authority: CN
Inventors: 程晓亮
Original assignee: Dongguan Sanbanfu Machinery Tool Co ltd
Current assignee: Dongguan Sanbanfu Machinery Tool Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-09-17
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a hole digger in adjustable aperture belongs to trompil instrument field, including first support, the dead lever is installed to the one end of first support, and the one end of dead lever installs the second support, the draw-in groove has been seted up on one side outer wall of second support, the installation head is installed to the one end of second support, and the externally mounted of second support has sliding connection piece. The utility model discloses be provided with sliding connection piece, with two ejector pad relative motion, make two fixture block relative motion, the spring shrink, remove sliding connection piece to suitable position, loosen the ejector pad, make fixture block and first support, the draw-in groove on the second support looks in opposite directions is connected, remove same distance with all the other three removal sliding connection piece with the same reason, wherein the scale can help the user to look for sliding connection piece's suitable displacement, sliding connection piece removes different distances, will open the hole in different apertures, the effect of adjusting aperture has been played.

Description

Hole digger with adjustable aperture

Technical Field

The utility model belongs to trompil instrument field specifically is a hole digger in adjustable aperture.

Background

The hole digger is also called as a hole digger or a hole saw, which refers to a saw cutting type special circular saw for processing circular holes in modern industry or engineering, has simple and flexible operation, convenient carrying, safety and wide application, and can conveniently cut circular holes, square holes, triangular holes, straight lines and curves on any curved surfaces such as planes and spherical surfaces of various plates such as copper, iron, stainless steel, organic glass and the like by installing the hole digger on a common electric drill.

The hole digger drives the hole digger to rotate through external equipment, so that a circular hole is marked on a work object, but the hole digger on the market cannot well adjust the hole diameter of the hole digger in the actual use process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hole digger in adjustable aperture can solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a perforator in adjustable aperture, includes first support, the dead lever is installed to the one end of first support, and the one end of dead lever installs the second support, the draw-in groove has been seted up on the one side outer wall of second support, and is provided with the scale on the opposite side outer wall of second support, the installation head is installed to the one end of second support, and the externally mounted of second support has sliding connection piece, sliding connection piece's one end is installed and is twisted tooth, and installs the ejector pad on sliding connection piece's the outer wall, the spout is installed to the bottom of ejector pad, and one side of spout has seted up the through-hole, the fixture block is installed to the one end of ejector pad, and the spring is installed to the one end of fixture block, the fixed block is installed to the one end of spring, the location drill bit is installed to the other end of first support.

Preferably, the first bracket is in a cross-shaped structure, and the first bracket is matched with the second bracket in size.

Preferably, a scale is arranged on the outer wall of the other side of the second support and corresponds to the clamping groove.

Preferably, the sliding connection blocks, the first support and the second support form a sliding connection, the sliding connection blocks and the twisting teeth form a fixing structure, and four groups of the fixing structure are arranged.

Preferably, the push block is in sliding connection with the sliding groove, and the moving distance of the push block is equal to the deformation amount of the spring.

Preferably, the clamping block is matched with the clamping groove, and a fixing structure is arranged between the clamping block and the pushing block.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses be provided with sliding connection piece, with two ejector pad relative motion, make two fixture block relative motion, the spring shrink, remove sliding connection piece to suitable position, loosen the ejector pad, make fixture block and first support, the draw-in groove on the second support looks in opposite directions is connected, remove same distance with all the other three removal sliding connection piece with the same reason, wherein the scale can help the user to look for sliding connection piece's suitable displacement, sliding connection piece removes different distances, will open the hole in different apertures, the effect of adjusting aperture has been played.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic structural view of a second bracket according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a chute according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a spring according to an embodiment of the present invention.

In the figure: 1. a first bracket; 2. fixing the rod; 3. a second bracket; 4. a card slot; 5. a scale; 6. a mounting head; 7. a sliding connection block; 8. twisting teeth; 9. a push block; 10. a chute; 11. a through hole; 12. a clamping block; 13. a spring; 14. a fixed block; 15. and positioning the drill bit.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment of an adjustable aperture hole opener: an aperture-adjustable hole digger comprises a first bracket 1, wherein one end of the first bracket 1 is provided with a fixed rod 2, and one end of the fixed rod 2 is provided with a second bracket 3, the outer wall of one side of the second bracket 3 is provided with a clamping groove 4, and the outer wall of the other side of the second bracket 3 is provided with a scale 5, one end of the second bracket 3 is provided with an installation head 6, and a sliding connecting block 7 is arranged outside the second bracket 3, one end of the sliding connecting block 7 is provided with a twisting tooth 8, and the outer wall of the sliding connecting block 7 is provided with a push block 9, the bottom of the push block 9 is provided with a sliding chute 10, and one side of the sliding groove 10 is provided with a through hole 11, one end of the push block 9 is provided with a clamping block 12, and a spring 13 is installed at one end of the clamping block 12, a fixing block 14 is installed at one end of the spring 13, and a positioning drill bit 15 is installed at the other end of the first bracket 1.

In this implementation: move two ejector pad 9 in opposite directions, make two fixture blocks 12 move in opposite directions, spring 13 contracts, remove sliding connection piece 7 to suitable position, loosen ejector pad 9, make fixture block 12 and first support 1, draw-in groove 4 on the second support 3 facies in opposite directions is connected, remove all the other three sliding connection piece 7 and remove same distance with other reason, wherein suitable displacement distance that the user can be helped to seek sliding connection piece 7 to scale 5, sliding connection piece 7 removes different distances, will open the hole in different apertures, the effect of adjusting aperture has been played.

Specifically, the first support 1 is in a cross-shaped structure, and the first support 1 is matched with the second support 3 in size, so that four groups of sliding connection blocks 7 can be well matched, the sliding connection blocks 7 can better move between the first support 1 and the second support 3, and the sliding connection blocks 7 respectively penetrate through the first support 1 and the second support 3, so that two points are provided for supporting the sliding connection blocks 7, and the equipment is more stable and firm when moving at high speed.

Specifically, be provided with scale 5 on the opposite side outer wall of second support 3, and scale 5 is corresponding with draw-in groove 4, and scale 5 can help the user to look for the suitable displacement of sliding connection piece 7.

Specifically, the sliding connection blocks 7 are in sliding connection with the first support 1 and the second support 3, the sliding connection blocks 7 and the twisting teeth 8 form a fixed structure, four groups of the fixed structures are arranged, and the sliding connection blocks 7 respectively penetrate through the first support 1 and the second support 3, so that two points are provided for supporting the sliding connection blocks 7, and the equipment is more stable and firm when moving at a high speed.

Specifically, be sliding connection between ejector pad 9 and the spout 10, and the displacement of ejector pad 9 equals the deformation volume of spring 13, thereby moves through ejector pad 9 and drives fixture block 12 and remove, reaches fixture block 12 and spout 10 and is connected or the separation effect for sliding connection piece 7 moves at first support 1 and second support 3.

Specifically, the clamping block 12 is matched with the clamping groove 4, and a fixed structure is arranged between the clamping block 12 and the pushing block 9, so that the function of fixing the sliding connection block 7 with the adjusted position is achieved.

The utility model discloses a theory of operation: in the using process, the mounting head 6 of the device is connected with the motor output end of the external device, the center of a hole-opened object is marked, under the action of the sliding groove 10 and the through hole 11, the two pushing blocks 9 move oppositely, the two clamping blocks 12 move oppositely, the spring 13 contracts, the sliding connecting block 7 is moved to a proper position, the pushing blocks 9 are released, the clamping blocks 12 are connected with the clamping grooves 4 on the opposite surfaces of the first bracket 1 and the second bracket 3, the other three moving sliding connecting blocks 7 move for the same distance in the same way, wherein the scale 5 can help a user to find the proper moving distance of the sliding connecting block 7, the sliding connecting block 7 moves for different distances, holes with different apertures can be opened, the effect of adjusting the aperture is achieved, the positioning drill bit 15 is aligned with the center of the hole-opened object to be marked, the motor of the external device drives the device to rotate, so that the positioning drill bit 15 passes through the object to be drilled, the twisting tooth 8 can draw a circle on the object to be drilled, and the pressing device of external equipment is matched, so that the twisting tooth 8 cuts a circle on the object to be drilled, the hole drilling effect is achieved, the sliding connection block 7 respectively passes through the first bracket 1 and the second bracket 3, and two points are provided for supporting the sliding connection block 7, so that the equipment is more stable and firm when moving at high speed.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An adjustable aperture hole opener, comprising a first bracket (1), characterized in that: the fixing device is characterized in that a fixing rod (2) is installed at one end of a first support (1), a second support (3) is installed at one end of the fixing rod (2), a clamping groove (4) is formed in the outer wall of one side of the second support (3), a scale (5) is arranged on the outer wall of the other side of the second support (3), an installing head (6) is installed at one end of the second support (3), a sliding connecting block (7) is installed outside the second support (3), a twisting tooth (8) is installed at one end of the sliding connecting block (7), a pushing block (9) is installed on the outer wall of the sliding connecting block (7), a sliding groove (10) is installed at the bottom of the pushing block (9), a through hole (11) is formed in one side of the sliding groove (10), a clamping block (12) is installed at one end of the pushing block (9), a spring (13) is installed at one end of the clamping block (12), and a fixing block (14) is installed at one end of the spring (13), and a positioning drill bit (15) is arranged at the other end of the first bracket (1).

2. An adjustable aperture tap as claimed in claim 1 wherein: the first support (1) is in a cross-shaped structure, and the first support (1) is matched with the second support (3) in size.

3. An adjustable aperture tap as claimed in claim 1 wherein: and a scale (5) is arranged on the outer wall of the other side of the second support (3), and the scale (5) corresponds to the clamping groove (4).

4. An adjustable aperture tap as claimed in claim 1 wherein: the sliding connection block (7) is connected with the first support (1) and the second support (3) in a sliding mode, the sliding connection block (7) and the twisting teeth (8) form a fixing structure, and four groups of the fixing structure are arranged.

5. An adjustable aperture tap as claimed in claim 1 wherein: the push block (9) is in sliding connection with the sliding groove (10), and the moving distance of the push block (9) is equal to the deformation of the spring (13).

6. An adjustable aperture tap as claimed in claim 1 wherein: the clamping block (12) is matched with the clamping groove (4), and a fixing structure is arranged between the clamping block (12) and the pushing block (9).