CN219228798U - Zokor clip capable of being observed remotely - Google Patents

Abstract

The utility model discloses a zokor clip capable of being observed remotely, which comprises a zokor clip, an indicating device and a triggering device, wherein a stay wire of the triggering device is connected with the zokor clip, and a lifting wire of the triggering device is connected with a flagpole of the indicating device. A worker can determine the state of the zokor clamp when the worker is far away, and if the flagpole is erected, the zokor clamp is in a clamping state; if the flagpole is not erected, the zokor is not passed through the zokor clip. Need not to check one by one and whether catch successfully the zokor pincers, reduced the manpower input, reduced the frightening to the zokor, mousing efficiency is higher.

Description

Zokor clip capable of being observed remotely

Technical field:

the utility model relates to a mouse trapping device, in particular to a zokor clip capable of being observed remotely.

The background technology is as follows:

zokor mainly inhabits forests, grasslands and farmlands, resides in holes in the daytime, occasionally moves to the ground at night, feeds on roots, stems and seeds of plants, and stores a large amount of food in the holes. Zokor digs the hole very fast, and cave system is complicated, and the branch is many, and the ground does not have obvious export at ordinary times, but near there is irregular soil heap. Zokor is one of the animals in agriculture and animal husbandry because of food storage and complicated hole system digging. Zokor is sensitive to hearing, is loved to be quiet, and is afraid of being frightened. As the zokor is living underground, the rat trap is usually placed at the place such as the zokor opening, and the like, a worker cannot determine whether the rat trap is successfully trapped or not, and the zokor needs to be excavated for checking, so that the zokor is easy to be disturbed, and the trapping rate is reduced.

The utility model comprises the following steps:

the utility model aims to provide a zokor clip capable of being observed remotely, and a worker can observe the state of the zokor clip from a distance.

The utility model is implemented by the following technical scheme:

the zokor clip capable of being observed remotely comprises a zokor clip and an indicating device; the indicating device comprises a base, wherein a supporting frame is arranged at the bottom of the base, and the top of the supporting frame is fixedly connected with the bottom of the base; a vertical plate perpendicular to the base is fixedly connected to the base; the base is provided with a tension spring, one end of the tension spring is connected with the base, and the other end of the tension spring is connected with the bottom of the flagpole; the flagpole is rotationally connected with the vertical plate; a stop block is arranged on the vertical plate below the flagpole; the zokor clamp is characterized by further comprising a triggering device, wherein a stay wire of the triggering device is connected with the zokor clamp, and a hanging wire of the triggering device is connected with the top of the flagpole. When the zokor clip catches the zokor, the indicating device is triggered by the triggering device, so that a worker can know from a distance that the zokor clip is touched.

Further, the support frame comprises at least three column legs, wherein two column legs are arranged at the bottom of one end of the base, and the other column legs are arranged at the bottom of the opposite end of the base; the top of the column leg is fixedly connected with the bottom of the base. The support frame can stably support the indicating device.

Further, the flagpole is L-shaped, and the tension spring is connected with the short side of the flagpole; the corner of the flagpole is rotationally connected with the vertical plate; the stop block is arranged below the short side of the flagpole.

Further, the triggering device comprises a public organ head and a public organ head; the machine public head is connected with the hanging wire, and one end of the hanging wire is connected with the upper part of the machine public head; the machine mother head is fixedly connected to the base, and the bottom of the machine mother head is connected with the top of the base; the machine body head is hollow and tubular, and can be sleeved outside the machine body head; a first notch which is matched with the diameter of the insertion rod is formed in the side wall of the mechanism mother head; a second notch which is matched with the diameter of the insertion rod is formed in the side wall of the public head of the office; the triggering device further comprises a stay wire, wherein the stay wire comprises an inner core and a wire tube; the spool is sleeved outside the inner core; one end of the inner core is connected to the end part of the fixed bottom plate of the zokor clamp, and the other end of the inner core is connected with the insertion rod; one end of the spool is connected to the top of the bottom clamp, which is located at the same side of the joint of the inner core and the fixed bottom plate, of the zokor clamp, and the other end of the spool is connected with an inserting rod. In use, inserting the office male into the office female, substantially aligning the first gap with the second gap, and placing the stick in the first gap and the second gap; at the moment, the hanging wire is straightened, and the short side of the flagpole moves upwards to drive the tension spring to stretch; when zokor is caught by the zokor clamp, the stick is inserted under the pulling force effect of spool with the inner core from first breach with the second breach drops, the public head decurrent pulling force of organ disappears under the effect of extension spring shrink breaks away from the female head of organ, simultaneously, the extension spring is retracted, drives the minor face of flagpole down motion until with the dog meets, the long limit of flagpole is vertical, thereby the staff can know from the distance that the zokor clamp has been touched.

Further, the zokor clip comprises a rectangular fixing frame, two long edges of the fixing frame are respectively sleeved with a double torsion spring, and a retainer ring of the double torsion spring is upwards arranged; the double torsion springs are symmetrically arranged relative to the central line of the short side of the fixing frame; a pedal is arranged above the double torsion spring, and the bottom of the pedal is abutted against the top of the check ring of the double torsion spring; one central line of the pedal is positioned right above the central line of the short side of the fixed frame, and the other central line of the pedal is positioned right above the central connecting line of the two double torsion springs; the fixed bottom plate is arranged between the fixed frame and the check ring of the double torsion spring in a penetrating way, the bottom surface of the fixed bottom plate is abutted against the top of the fixed frame, and the top surface of the fixed bottom plate is abutted against the bottom of the check ring of the double torsion spring; two long sides of the fixing frame are respectively connected with a bottom clamp, and two ends of the bottom clamp are respectively sleeved on the fixing frame at the outer side of the double torsion spring; the bottom clips are symmetrically arranged relative to the central line of the short side of the fixing frame; the top of the fulcrum of the double torsion spring is abutted against the bottom of the bottom clamp; the zokor clip further comprises two semicircular clips which are symmetrically arranged relative to the central line of the short side of the fixed bottom plate, and two ends of each semicircular clip are rotationally connected with two ends of the fixed bottom plate; when the semicircular clamp is closed and the bottom clamp is closed, the outer side of the semicircular clamp is abutted against the inner side of the bottom clamp; two round holes are formed in one side, close to the first short side of the fixing frame, of the pedal; the pedal is provided with a U-shaped connecting piece, and two ends of the U-shaped connecting piece pass through round holes in the pedal from top to bottom and are sleeved on the first short edge; the first short side is connected with a safety, the safety is in a J shape, one end of the long side of the safety is sleeved on the first short side, and when the two semicircular clamps are in an open state, the bottom hook of the safety can be hung on the semicircular clamp closest to the first short side; the zokor clip further comprises a needle, wherein the head end of the needle is sleeved with a collar, and the collar is sleeved on the first short edge; the tail end of the abutting needle can be inserted below the U-shaped connecting piece on the upper side of the pedal. When the zokor clamp is used, the bottom clamp is broken along the direction of the long side of the fixed bottom plate, the semicircular clamp is broken to be in a horizontal state along the direction of the long side of the fixed frame, and the bottom hook of the safety is hooked on the semicircular clamp closest to the first short side, so that the two semicircular clamps can be prevented from being closed, and the situation that a worker is accidentally injured when placing the zokor clamp can be avoided; inserting the tail end of the abutting needle into the bottom of the U-shaped connecting piece at the upper side of the pedal, wherein the top of the semicircular clamp is abutted against the bottom of the abutting needle; placing the zokor clip in a place where the zokor may go out, and taking down the safety from the semicircular clip; when a zokor touches the pedal, under the action of the gravity of the zokor, the pedal moves downwards, the abutting needle is separated from the U-shaped connecting piece on the upper side of the pedal, meanwhile, the pedal downwards presses the retainer ring of the double torsion spring, and under the action of the torsion force of the double torsion spring, the bottom clamp is pushed upwards by the fulcrum of the double torsion spring; the semicircular clamp and the bottom clamp are vertically clamped under the action of the elasticity of the double torsion springs to clamp zokor.

Further, two ends of the fixed bottom plate are respectively provided with a semicircular ring, and the bottoms of the semicircular rings are fixedly connected with the fixed bottom plate; the two ends of the semicircular clamp are correspondingly hung on the semicircular rings at the two ends of the fixed bottom plate respectively.

Further, a pull ring is sleeved on the second short side of the fixing frame. The zokor clips can be hung through the pull rings, so that the zokor clips are convenient to transport and carry.

Further, one end of the fixed bottom plate is provided with a small hole, and the inner core penetrates through the small hole to be connected with the fixed bottom plate.

When zokor tongs kill rats after, the end presss from both sides and stands up, the spool with the inner core to the direction of zokor tongs removes, simultaneously the inner core is relative the spool relative displacement, further to the direction of zokor tongs removes, insert the rod under the spool with the pulling force effect of inner core follow first breach with the second breach drops, triggers indicating device.

Noun interpretation:

double torsion springs: two springs of the same number of turns are wound in opposite directions from one spring material on the same mandrel. The retainer ring is arranged between the two springs, and the two ends of the retainer ring are fulcrums for increasing torque. The torsional stiffness of a double torsion spring is equivalent to twice that of one of the two springs when used as a single spring.

The utility model has the advantages that:

the utility model provides a zokor clamp capable of being observed remotely, a worker can determine the state of the zokor clamp when in a far distance, and if a flagpole is erected, the zokor clamp is in a clamping state; if the flagpole is not erected, the zokor is not passed through the zokor clip. Need not to check one by one and whether catch successfully the zokor pincers, reduced the manpower input, reduced the frightening to the zokor, mousing efficiency is higher.

Description of the drawings:

in order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of a zokor clip before trapping mice, which can be observed remotely;

fig. 2 is a schematic diagram of an indication device and a trigger device after a zokor clip is used for trapping mice, which can be observed remotely;

fig. 3 is a schematic diagram of a zokor trap after a zokor trap can be remotely observed;

FIG. 4 is a schematic view of FIG. 3 at A

Fig. 5 is a top view of zokor clip;

fig. 6 is a bottom view of zokor clip.

The drawings are as follows:

1. zokor clip; 11. a fixing frame; 111. a first short side of the fixing frame; 112. a second short side of the fixing frame; 12. a double torsion spring; 13. a pedal; 131. a U-shaped connecting piece; 14. a fixed bottom plate; 141. a semicircular ring; 15. a bottom clamp; 16. a semicircular clamp; 17. safety; 18. abutting the needle; 181. a collar; 19. a pull ring;

2. a triggering device; 21. a small hole; 22. an inner core; 23. a conduit; 24. inserting a stick; 25. a master of a mechanism; 251. a first notch; 26. a public head of the institution; 261. a second notch; 27. a hanging wire;

3. an indication device; 31. a base; 32. a support frame; 33. a vertical plate; 34. a tension spring; 35. a flagpole; 36. and a stop block.

The specific embodiment is as follows:

the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

A zokor clip capable of being observed remotely, which comprises a zokor clip 1, a triggering device 2 and an indicating device 3; the indicating device 3 comprises a base 31, a supporting frame 32 is arranged at the bottom of the base 31, the top of the supporting frame 32 is welded with the bottom of the base 31, the supporting frame 32 comprises three column legs, two column legs are welded at the bottom of one end of the base 31, and the other column leg is welded at the bottom of one end of the opposite base; a vertical plate 33 perpendicular to the base is welded on the base 31; the base 31 is provided with a tension spring 34, the bottom end of the tension spring 34 is connected with the base 31, the top end of the tension spring 34 is connected with the bottom of a flagpole 35, the flagpole 35 is L-shaped, and the tension spring 34 is connected with the short side of the flagpole 35; the corner of the flagpole 35 is rotationally connected with the vertical plate 33 through bolts; a stop block 36 is arranged on the vertical plate 33 below the short side of the flagpole 35; the stay wire of the trigger device 2 is connected with the zokor clip 1, and the hanging wire 27 of the trigger device 2 is tied on the long side of the flagpole 35.

The triggering device 2 comprises a public organ head 26 and a female organ head 25; a lifting wire 27 is tied on the public head 26 of the mechanism, and one end of the lifting wire 27 is connected with the upper part of the public head 26 of the mechanism; the bottom end of the organ mother head 25 is welded on the base 31; the organ female head 25 is hollow and tubular, and the organ female head 25 can be sleeved outside the organ male head 26; a first notch 251 which is matched with the diameter of the insertion rod 24 is arranged on the side wall of the mechanism mother head 25; a second notch 261 which is matched with the diameter of the insertion rod 24 is arranged on the side wall of the public head 26 of the organ; the triggering device 2 further comprises a stay wire, which uses a brake cable as the stay wire, and comprises an inner core 22 and a wire tube 23; the spool 23 is sleeved outside the inner core 22; one end of the inner core 22 is bound at the end part of the fixed bottom plate 14 of the zokor clip 1, and the other end of the inner core 22 is bound on the insertion stick; one end of the spool 23 is connected to the top of the bottom clip 15 of the zokor clip 1, which is located on the same side of the connection between the inner core 22 and the fixed bottom plate 14, and the other end of the spool 23 is connected to the insertion rod 24.

Zokor clip 1 includes a rectangular mount 11, and two long sides of mount 11 have respectively cup jointed a double torsion spring 12, and the retaining ring of double torsion spring 12 sets up upwards; the double torsion springs 12 are symmetrically arranged relative to the center line of the short side of the fixed frame 11; a pedal 13 is arranged above the double torsion spring 12, and the bottom of the pedal 13 is abutted against the top of the retainer ring of the double torsion spring 12; one central line of the pedal 13 is positioned right above the central line of the short side of the fixed frame 11, and the other central line of the pedal 13 is positioned right above the central connecting line of the two double torsion springs 12; a fixed bottom plate 14 is arranged between the fixed frame 11 and the check ring of the double torsion spring 12 in a penetrating way, the bottom surface of the fixed bottom plate 14 is abutted with the top of the fixed frame 11, and the top surface of the fixed bottom plate 14 is abutted with the bottom of the check ring of the double torsion spring 12; two long sides of the fixing frame 11 are respectively connected with a bottom clamp 15, and two ends of the bottom clamp 15 are respectively sleeved on the fixing frame 11 at the outer side of the double torsion spring 12; the two bottom clips 15 are symmetrically arranged relative to the center line of the short side of the fixed frame 11; the top of the fulcrum of the double torsion spring 12 is abutted against the bottom of the bottom clamp 15; zokor clip 1 also comprises two semicircular clips 16 which are symmetrically arranged relative to the central line of the short side of fixed bottom plate 14, wherein two ends of semicircular clip 16 are rotatably connected with two ends of fixed bottom plate 14; two ends of the fixed bottom plate 14 are respectively provided with a semicircular ring 141, the bottom of the semicircular ring 141 is fixedly connected with the fixed bottom plate 14, and two ends of the semicircular clamp 16 are correspondingly hung on the semicircular rings 141 at two ends of the fixed bottom plate 14 respectively; when the semicircular clip 16 is closed and the bottom clip 15 is closed, the outer side of the semicircular clip 16 is connected with the inner side of the bottom clip 15; two round holes are formed in one side, close to the first short side 111 of the fixed frame 11, of the pedal 13; the pedal 13 is provided with a U-shaped connecting piece 131, and two ends of the U-shaped connecting piece 131 pass through round holes in the pedal 13 from top to bottom and are sleeved on the first short side 111; the first short side 111 is sleeved with the safety 17, the safety 17 is in a J shape, one end of the long side of the safety 17 is sleeved on the first short side 111, and when the two semicircular clamps 16 are in an open state, the bottom hook of the safety 17 can be hung on the semicircular clamp 16 closest to the first short side 111; zokor clip 1 still includes to support needle 18, and the head end of supporting needle 18 has cup jointed the lantern ring 181, and lantern ring 181 cup joints on first minor face 111; the tail end of the abutting needle 18 can be inserted under the U-shaped connecting piece 131 on the upper side of the pedal 13. A pull ring 19 is sleeved on the second short side 112 of the fixing frame 11.

One end of the fixed bottom plate 14 is provided with a small hole 21, one end of the inner core 22 passes through the small hole 21 to be connected with the fixed bottom plate 14, and the other end of the inner core 22 is connected with the insertion rod 24.

When in use, as shown in fig. 5, the bottom clip 15 of the zokor clip 1 is broken along the direction of the long side of the fixed bottom plate 14, the semicircular clip 16 is broken to be in a horizontal state along the direction of the long side of the fixed frame 11, and the bottom hook of the safety 17 is hooked on the semicircular clip 16 closest to the first short side 111, so that the two semicircular clips 16 can be ensured not to be closed, and the personnel can be prevented from being accidentally injured when the zokor clip 1 is placed; the tail end of the abutting needle 18 is inserted into the bottom of the U-shaped connecting piece 131 on the upper side of the pedal 13, and at the moment, the top of the semicircular clamp 16 abuts against the bottom of the abutting needle 18.

According to the habit of zokor, find the place that zokor such as zokor hole goes out, dig the soil in the place ahead of zokor hole, prick a hole in the next door of zokor hole, the hole is difficult too big, can pass the acting as go-between can. Before zokor clamp 1 is placed in the zokor tunnel, the long side direction of mount 11 is along the trend of zokor tunnel, will tie-in with insert stick 24 from bottom to top pass to ground from the rat tunnel through the round hole after placing, takes down insurance 17 from semicircle clamp 16, places some leaves, soil etc. at zokor clamp 1 surface.

As shown in fig. 1, the male end 26 of the mechanism is inserted into the female end 25 of the mechanism, the first notch 251 and the second notch 261 are aligned basically, the insertion rod 24 is placed in the first notch 251 and the second notch 261, the hanging wire 27 is straightened, and the long side of the flagpole 35 is in a horizontal state; the indication device 3 and the organ mother 25 are placed at proper positions on the ground, the stay wire is ensured to be in a tension state, and the support frame 32 is inserted into the soil. After the checking, the front of the zokor tunnel opening is blocked by soil to prevent ventilation.

When zokor steps on the pedal 13, as shown in fig. 3, under the action of gravity of zokor, the pedal 13 moves downwards, the abutting pin 18 is separated from the lower part of the U-shaped connector 131 on the upper side of the pedal 13, meanwhile, the pedal 13 presses down the retainer ring of the double torsion spring 12, and under the action of torsion force of the double torsion spring 12, the bottom clip 15 is pushed upwards by the fulcrum of the double torsion spring 12; the semicircular clamp 16 and the bottom clamp 15 are vertically clamped under the elastic force of the double torsion spring 12 to clamp zokor. When zokor clip 1 kills mice, bottom clip 15 stands up, spool 23 and inner core 22 move to the direction of zokor clip 1, and simultaneously inner core 22 further moves relative to spool 23, further moves to the direction of zokor clip 1, and stick 24 drops from first breach 251 and second breach 261 under the pulling force effect of spool 23 and inner core 22, and the downward pulling force of public head 26 of organ disappears, breaks away from female head 25 of organ under the effect of extension spring 34 shrink force, and simultaneously extension spring 34 retracts, drives the minor face of flagpole 35 to move downwards until being connected with dog 36, and the long limit of flagpole 35 is vertical, as shown in fig. 2, thereby the staff can know from the distance that zokor clip 1 has been touched.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (8)

1. The zokor clip capable of being observed remotely comprises a zokor clip and is characterized by further comprising an indicating device; the indicating device comprises a base, wherein a supporting frame is arranged at the bottom of the base, and the top of the supporting frame is fixedly connected with the bottom of the base; a vertical plate perpendicular to the base is fixedly connected to the base; the base is provided with a tension spring, one end of the tension spring is connected with the base, and the other end of the tension spring is connected with the bottom of the flagpole; the flagpole is rotationally connected with the vertical plate; a stop block is arranged on the vertical plate below the flagpole;

the zokor clamp is characterized by further comprising a triggering device, wherein a stay wire of the triggering device is connected with the zokor clamp, and a hanging wire of the triggering device is connected with the top of the flagpole.

2. The remotely observable zokor clip of claim 1, wherein said support comprises at least three legs, two of said legs being disposed at the bottom of one end of said base and the other legs being disposed at the bottom of the opposite end of said base; the top of the column leg is fixedly connected with the bottom of the base.

3. The zokor clip as defined in claim 1, wherein the flagpole is L-shaped, and the tension spring is connected to a short side of the flagpole; the corner of the flagpole is rotationally connected with the vertical plate; the stop block is arranged below the short side of the flagpole.

4. The zokor clip as defined in claim 1, wherein the trigger comprises a male and female organ head; the machine public head is connected with the hanging wire, and one end of the hanging wire is connected with the upper part of the machine public head; the machine mother head is fixedly connected to the base, and the bottom of the machine mother head is connected with the top of the base; the machine body head is hollow and tubular, and can be sleeved outside the machine body head; a first notch which is matched with the diameter of the insertion rod is formed in the side wall of the mechanism mother head; a second notch which is matched with the diameter of the insertion rod is formed in the side wall of the public head of the office; the triggering device further comprises a stay wire, wherein the stay wire comprises an inner core and a wire tube; the spool is sleeved outside the inner core; one end of the inner core is connected to the end part of the fixed bottom plate of the zokor clamp, and the other end of the inner core is connected with the insertion rod; one end of the spool is connected to the top of the bottom clip of the zokor clip, which is positioned on the same side of the joint of the inner core and the fixed bottom plate; the other end of the spool is connected with the insertion rod.

5. The zokor clip capable of being observed remotely according to claim 4, wherein the zokor clip comprises a rectangular fixing frame, two long sides of the fixing frame are respectively sleeved with a double torsion spring, and a retainer ring of the double torsion spring is arranged upwards; the double torsion springs are symmetrically arranged relative to the central line of the short side of the fixing frame; a pedal is arranged above the double torsion spring, and the bottom of the pedal is abutted against the top of the check ring of the double torsion spring; one central line of the pedal is positioned right above the central line of the short side of the fixed frame, and the other central line of the pedal is positioned right above the central connecting line of the two double torsion springs;

the fixed bottom plate is arranged between the fixed frame and the check ring of the double torsion spring in a penetrating way, the bottom surface of the fixed bottom plate is abutted against the top of the fixed frame, and the top surface of the fixed bottom plate is abutted against the bottom of the check ring of the double torsion spring; two long sides of the fixing frame are respectively connected with a bottom clamp, and two ends of the bottom clamp are respectively sleeved on the fixing frame outside the double torsion springs; the bottom clips are symmetrically arranged relative to the central line of the short side of the fixing frame; the top of the fulcrum of the double torsion spring is abutted against the bottom of the bottom clamp;

the zokor clip further comprises two semicircular clips which are symmetrically arranged relative to the central line of the short side of the fixed bottom plate, and two ends of each semicircular clip are rotationally connected with two ends of the fixed bottom plate; when the semicircular clamp is closed and the bottom clamp is closed, the outer side of the semicircular clamp is abutted against the inner side of the bottom clamp;

two round holes are formed in one side, close to the first short side of the fixing frame, of the pedal; the pedal is provided with a U-shaped connecting piece, and two ends of the U-shaped connecting piece pass through round holes in the pedal from top to bottom and are sleeved on the first short edge; the first short side is connected with a safety, the safety is in a J shape, one end of the long side of the safety is sleeved on the first short side, and when the two semicircular clamps are in an open state, the bottom hook of the safety can be hung on the semicircular clamp closest to the first short side;

the zokor clip further comprises a needle, wherein the head end of the needle is sleeved with a collar, and the collar is sleeved on the first short edge; the tail end of the abutting needle can be inserted below the U-shaped connecting piece on the upper side of the pedal.

6. The zokor clip capable of being observed remotely according to claim 5, wherein two ends of the fixing base plate are respectively provided with a semicircular ring, and the bottom of the semicircular ring is fixedly connected with the fixing base plate; the two ends of the semicircular clamp are correspondingly hung on the semicircular rings at the two ends of the fixed bottom plate respectively.

7. The zokor clip as defined in claim 5, wherein a pull ring is sleeved on the second short side of the fixing frame.

8. The zokor clamp capable of being observed remotely according to claim 5, wherein one end of the fixing base plate is provided with a small hole, and the inner core is connected with the fixing base plate through the small hole.

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