CN219520541U

CN219520541U - Diameter-adjustable hole digger

Info

Publication number: CN219520541U
Application number: CN202320619513.5U
Authority: CN
Inventors: 张云华; 邬云周; 黄松; 柴文荣
Original assignee: Zhejiang Jinnuo Tools Co ltd
Current assignee: Zhejiang Jinnuo Tools Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-08-15
Anticipated expiration: 2033-03-27

Abstract

The utility model provides a diameter-adjustable hole digger, which relates to the technical field of hole digger instruments and aims to solve the problem that when the existing hole digger is used, an operator is required to keep a vertical state when the hole digger is used for opening holes, and the error exists in the size of the hole digger due to the deviation of the hole digger, and the diameter-adjustable hole digger comprises the following components: the drill bit is arranged at the bottom of the main body, two slots are formed in the outer side of the main body, the main body comprises a movable piece, the drill bit is arranged at the bottom of the movable piece, the movable piece is positioned at two sides of the outer part of the main body, and a vertical rod is arranged at the top of the main body; the top of the vertical rod is provided with a mounting rod, the vertical rod comprises a vertical groove, and the vertical groove is arranged on the side surface of the vertical rod; the locating rod, two connecting plates are installed in the outside of locating rod, and the locating rod passes through the connecting plate in the outside and installs in the outside of moving part. Through using the locating lever to keep the levelness of trompil ware, prevent the circumstances that the position of trompil takes place the skew in the rotatory time, guarantee the degree of accuracy of trompil diameter size.

Description

Diameter-adjustable hole digger

Technical Field

The utility model belongs to the technical field of tapping instruments, and particularly relates to a diameter-adjustable tapping device.

Background

The hole puncher refers to a bimetal hole saw for processing circular holes in industry, the operation is simple and flexible, the carrying is convenient and safe, the application is wide, the hole puncher is divided into two types of fixed diameter and variable diameter according to different apertures, the hole puncher with adjustable diameter can adjust the hole punching diameter according to the requirement, and the application range is wide.

When the existing hole digger is used, the hole digger needs an operator to keep in a vertical state, the hole digger needs to be supported for a long time, the operation is complicated, the hole digger is offset in the hole digger process to influence the rotating speed of the hole digger, and the size of the hole digger is error due to the offset of the hole digger to influence the diameter of the hole digger.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a diameter-adjustable hole digger, which solves the problems that when the existing hole digger is used, the rotation speed of the hole digger is influenced by the deviation of the hole digger in the hole digger process, and the error exists in the hole digger size caused by the deviation of the hole digger.

The purpose and the efficacy of the diameter-adjustable hole digger are achieved by the following specific technical means:

an adjustable diameter hole opener comprising: the main body is of a cylindrical structure, the bottom of the main body is provided with a drill bit, two slots are formed in the outer side of the main body, the main body comprises a movable piece, the drill bit is arranged at the bottom of the movable piece, the movable piece is positioned at two sides of the outer part of the main body, and the top of the main body is provided with a vertical rod; the vertical rod is of a cylindrical structure, the top of the vertical rod is provided with a mounting rod, the vertical rod comprises a vertical groove, and the vertical groove is arranged on the side face of the vertical rod; the locating rod, two connecting plates are installed in the outside of locating rod, and the locating rod passes through the connecting plate in the outside and installs in the outside of moving part.

Further, the main body includes: the fixing piece is arranged on the outer side of the main body; the outside of horizontal pole is marked with the scale, and the side of horizontal pole is installed in the outside of moving part, and horizontal pole still slidable mounting is in the fluting in the main part outside.

Further, the main body further includes: the guide hole is of a hexagonal structure, the guide hole is formed in the outer side of the movable piece, and the side end of the other cross rod is mounted in the guide hole.

Further, the montant still includes: the sliding plate is slidably arranged in the vertical groove; the backup pad, the backup pad is rectangular structure, and the side of backup pad is installed in the outside of slide through the pivot.

Further, the montant still includes: the guide groove is arranged on the side surface of the supporting plate; the internally mounted of fixed orifices has fixing bolt, and the fixed orifices is established at the top and the bottom of backup pad, and the inboard and the guide way of fixed orifices are linked together.

Further, the montant still includes: the two sides of the inner end of the extension plate are provided with protruding blocks, the extension plate is slidably arranged in the guide groove, and the outer end of the extension plate is arranged at the top of the movable piece through the rotating shaft; the inner hole is formed in the top of the extension plate, and the inner end of the fixing bolt in the fixing hole is arranged in the inner hole.

Further, the positioning rod includes: the sliding rod is of a cylindrical structure with a protruding top, the bottom of the sliding rod is slidably arranged on the inner side of the positioning rod, and the top of the sliding rod is connected with the top of the positioning rod through a spring; the bottom plate is provided with balls at the bottom and is arranged at the bottom of the sliding rod; the guide plate is of an arc-shaped structure, and the inner side of the guide plate is arranged on the outer side of the bottom plate through a spring.

Compared with the prior art, the utility model has the following beneficial effects:

1. in the device, the positioning rod is arranged, the levelness of the hole digger is kept by using the positioning rod, when the hole digger is used, the positioning rod is positioned at the outer side of the movable part through the connecting plate, and the positioning rod drives the slide rod to be placed on a material needing to be perforated, so that the positioning rod keeps the verticality of the hole digger everywhere, the situation that the position of the hole digger is deviated when the positioning rod rotates is prevented, and the slide rod is positioned at the inner side of the positioning rod along with the downward movement of the main body to open the hole, so that the horizontal verticality of the main body is kept in real time, the accuracy of the hole opening is further improved, and the accuracy of the diameter of the hole opening is ensured;

2. in this device, set up the slide, through the removal that uses the slide to adjust the position of two moving parts simultaneously, the trompil ware of adjustable diameter is when carrying out trompil diameter adjustment, the slide is along perpendicular groove drive two backup pads simultaneously removal, make two backup pads drive the extension board and drive the regulation that the moving part carries out the position simultaneously, make the moving part accomplish the regulation of diameter fast, accomplish the regulation of diameter through the scale on a horizontal pole, adjust for the distance of singly to the drill bit, it is more convenient to operate like this, the degree of accuracy is higher.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic perspective view of a movable member according to the present utility model.

Fig. 3 is a schematic cross-sectional view of a vertical rod according to the present utility model.

Fig. 4 is a schematic cross-sectional structure of the support plate of the present utility model.

Fig. 5 is a schematic perspective view of a slide bar according to the present utility model.

In the figure, the correspondence between the component names and the drawing numbers is:

1. a main body; 101. a fixing member; 102. a cross bar; 103. a movable member; 104. a guide hole; 2. a vertical rod; 201. a vertical groove; 202. a slide plate; 203. a support plate; 204. a guide groove; 205. a fixing hole; 206. an extension plate; 207. an inner bore; 3. a positioning rod; 301. a slide bar; 302. a bottom plate; 303. and a guide plate.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.

Examples:

as shown in fig. 1 to 5:

the utility model provides an adjustable diameter hole digger, comprising: the main body 1 is of a cylindrical structure, the bottom of the main body 1 is provided with a drill bit, two slots are formed in the outer side of the main body 1, the main body 1 comprises a movable piece 103, the drill bit is arranged at the bottom of the movable piece 103, the movable piece 103 is positioned at two sides of the outer part of the main body 1, and the top of the main body 1 is provided with a vertical rod 2; the vertical rod 2 is of a cylindrical structure, the top of the vertical rod 2 is provided with a mounting rod, the vertical rod 2 comprises a vertical groove 201, and the vertical groove 201 is arranged on the side surface of the vertical rod 2; the locating lever 3, two connecting plates are installed in the outside of locating lever 3, and locating lever 3 passes through the connecting plate in the outside and installs in the outside of moving part 103.

Wherein the main body 1 comprises: a fixing member 101, the fixing member 101 being mounted on the outside of the main body 1; the transverse rod 102 is marked with scales on the outer side of the transverse rod 102, the side end of the transverse rod 102 is arranged on the outer side of the movable piece 103, and the transverse rod 102 is also slidably arranged in a groove on the outer side of the main body 1; the guide hole 104, the guide hole 104 is the hexagon structure, and the guide hole 104 is established in the outside of moving part 103, and the side of another horizontal pole 102 is installed to the internally mounted of guide hole 104, the hole digger of adjustable diameter is when using, adjust the position of two moving parts 103 according to the diameter of trompil, make moving part 103 drive horizontal pole 102 move in the fluting of main part 1 outside, then the side of a horizontal pole 102 moves in the guide hole 104 of relative position moving part 103 side, make the distance that horizontal pole 102 adjusted longer, thereby make two moving parts 103 be in suitable position, rotate the position of mounting 101 fixing two horizontal poles 102 at the side of main part 1, thereby fix the distance between the moving parts 103, when not using, then two horizontal poles 102 are in equal parallel state, reduce the volume when accomodating.

Wherein, montant 2 still includes: a sliding plate 202, the sliding plate 202 being slidably mounted inside the vertical groove 201; the supporting plate 203, the supporting plate 203 is of a rectangular structure, and the side end of the supporting plate 203 is arranged on the outer side of the sliding plate 202 through a rotating shaft; a guide groove 204, the guide groove 204 being provided on a side surface of the support plate 203; the fixing hole 205, the fixing bolt is installed in the fixing hole 205, the fixing hole 205 is arranged at the top and the bottom of the supporting plate 203, and the inner side of the fixing hole 205 is communicated with the guide groove 204; the extension plate 206, two sides of the inner end of the extension plate 206 are provided with protruding blocks, the extension plate 206 is slidably mounted in the guide groove 204, and the outer end of the extension plate 206 is mounted on the top of the movable piece 103 through a rotating shaft; the inner hole 207 is arranged at the top of the extension plate 206, the inner end of a fixing bolt is arranged in the fixing hole 205 in the inner hole 207, when the adjustable diameter tapper is adjusted, the sliding plate 202 is moved in the vertical groove 201 on the side face of the vertical rod 2, the outer side of the sliding plate 202 drives the supporting plate 203 to move, when the larger distance between two movable pieces 103 is adjusted, the inner end of the extension plate 206 is moved in the guide groove 204, the length of the supporting plate 203 is increased, the inner end of the fixing bolt in the fixing hole 205 is inserted in the inner hole 207 to fix the position of the extension plate 206, the supporting plate 203 drives the extension plate 206 to move, the outer end of the extension plate 206 drives the movable pieces 103 to move, the positions of the movable pieces 103 can be determined through the scale on the transverse rod 102, and the operation is convenient.

Wherein, locating lever 3 includes: the sliding rod 301 is of a cylindrical structure with a protruding top, the bottom of the sliding rod 301 is slidably arranged on the inner side of the positioning rod 3, and the top of the sliding rod 301 is connected with the top of the positioning rod 3 through a spring; a bottom plate 302, the bottom of the bottom plate 302 is provided with balls, and the bottom plate 302 is arranged at the bottom of the slide bar 301; the deflector 303, the deflector 303 is arc structure, and the inboard of deflector 303 passes through the outside of spring mounting at bottom plate 302, the hole puncher of adjustable diameter is to the material when trompil, the bottom drill bit of main part 1 is the center rotation, then the ball of bottom plate 302 bottom rolls on the material, the piece that produces outwards stirs when deflector 303 is to the trompil under the effect of spring, guarantee the ball of bottom plate 302 bottom rolls on the material, the top of slide bar 301 passes through spring slidable mounting in the inboard of locating lever 3, make main part 1 keep vertical state to trompil, along with the drill bit down of moving part 103 bottom, then slide bar 301 upwards moves in the inboard of locating lever 3, make main part 1 remain balanced state throughout, guarantee the degree of accuracy of trompil diameter.

Specific use and action of the embodiment:

in the utility model, when the diameter-adjustable hole digger is used, firstly, the distance between two movable pieces 103 is adjusted according to the diameter of a hole, a sliding plate 202 drives a supporting plate 203 to move along a vertical groove 201, when the distance between the two movable pieces 103 is adjusted to be larger, the inner end of an extension plate 206 moves in a guide groove 204, the inner end of a fixing bolt in a fixing hole 205 is inserted into an inner hole 207 to fix the position of the extension plate 206, so that the supporting plate 203 drives the outer end of the extension plate 206 to drive the movable piece 103 to move, the two movable pieces 103 simultaneously drive a cross rod 102 to move in a slot on the outer side of a main body 1, the two movable pieces 103 are positioned at proper positions, a fixing piece 101 is rotated on the side surface of the main body 1 to fix the positions of the two cross rods 102, so that the distance between the movable pieces 103 is fixed, then, a bottom drill bit at the bottom of the main body 1 is rotated as the center, balls at the bottom of a bottom plate 302 roll on materials, chips generated during hole dig outwards under the action of a spring, the guide plate 303 is glidingly arranged on the inner side of a positioning rod 3 through a spring, so that the main body 1 keeps a vertical state, and the bottom of the movable piece 103 moves downwards along with the movement of the movable piece 103, and the drill bit is always in a balanced state of the positioning rod 3.

Claims

1. An adjustable diameter hole digger, characterized in that: the diameter-adjustable hole digger comprises: the drill bit is arranged at the bottom of the main body (1), two grooves are formed in the outer side of the main body (1), the main body (1) comprises a movable piece (103), the drill bit is arranged at the bottom of the movable piece (103), the movable piece (103) is located at two sides of the outer part of the main body (1), and a vertical rod (2) is arranged at the top of the main body (1); the vertical rod (2), the top of the vertical rod (2) is provided with a mounting rod, the vertical rod (2) comprises a vertical groove (201), and the vertical groove (201) is arranged on the side surface of the vertical rod (2); the locating rod (3), two connecting plates are installed in the outside of locating rod (3), and locating rod (3) are installed in the outside of moving part (103) through the connecting plate in the outside.

2. An adjustable diameter hole opener according to claim 1, characterized in that: the main body (1) comprises: a fixing member (101), the fixing member (101) being mounted on the outside of the main body (1); the transverse rod (102) is marked with scales on the outer side of the transverse rod (102), the side end of the transverse rod (102) is arranged on the outer side of the movable piece (103), and the transverse rod (102) is further slidably arranged in a groove on the outer side of the main body (1).

3. An adjustable diameter hole opener according to claim 1, characterized in that: the main body (1) further comprises: the guide hole (104) is formed in the outer side of the movable piece (103), and the side end of the other cross rod (102) is arranged in the guide hole (104).

4. An adjustable diameter hole opener according to claim 1, characterized in that: the vertical rod (2) further comprises: a slide plate (202), wherein the slide plate (202) is slidably arranged in the vertical groove (201); the support plate (203), the support plate (203) is rectangular structure, and the side end of support plate (203) is installed in the outside of slide (202) through the pivot.

5. An adjustable diameter hole opener according to claim 1, characterized in that: the vertical rod (2) further comprises: a guide groove (204), wherein the guide groove (204) is arranged on the side surface of the supporting plate (203); the fixing hole (205), the internally mounted of fixing hole (205) has fixing bolt, and fixing hole (205) are established at the top and the bottom of backup pad (203), and the inboard of fixing hole (205) is linked together with guide way (204).

6. An adjustable diameter hole opener according to claim 1, characterized in that: the vertical rod (2) further comprises: the extension plate (206) is provided with protruding blocks at two sides of the inner end of the extension plate (206), the extension plate (206) is slidably arranged in the guide groove (204), and the outer end of the extension plate (206) is arranged at the top of the movable piece (103) through a rotating shaft; an inner hole (207), the inner hole (207) is arranged at the top of the extension plate (206), and the inner end of a fixing bolt in the fixing hole (205) is arranged in the inner hole (207).

7. An adjustable diameter hole opener according to claim 1, characterized in that: the positioning rod (3) comprises: the bottom of the sliding rod (301) is slidably arranged on the inner side of the positioning rod (3), and the top of the sliding rod (301) is connected with the top of the positioning rod (3) through a spring; the bottom plate (302), the bottom of the bottom plate (302) is provided with balls, and the bottom plate (302) is arranged at the bottom of the sliding rod (301); the guide plate (303), the guide plate (303) is arc structure, and the inboard of guide plate (303) passes through the outside of spring installation in bottom plate (302).