CN217219184U - Portable electric knife pen with telescopic tool bit - Google Patents

Abstract

The utility model discloses a portable electric knife pen with a retractable knife head, which comprises a shell, wherein the tail part inside the shell is provided with a corrugated pipe, an electric wire penetrating through the corrugated pipe and a plug connected with the electric wire, a black marker post is movably arranged inside the shell, one end of the black marker post extends to the outside of the head part of the shell, a sheath is clamped at one end outside the extending part of the shell, a knife holder is arranged inside the sheath, and the knife holder is connected with a knife head; the black marker post outside one side is provided with the scale mark, be provided with the mechanism of enlargeing of being convenient for observe the scale mark on the casing. The utility model discloses a setting up scale mark and mechanism of amplification can realize the length that more accurate regulation black sighting rod extends to the length of the regulation tool bit extension that can be convenient, make and use more convenient.

Description

Portable electric knife pen with telescopic tool bit

Technical Field

The utility model belongs to the technical field of electrotome pen, especially, relate to a scalable electrotome pen of portable tool bit.

Background

The high-frequency electric knife pen is an electric surgical equipment for replacing traditional scalpel to cut tissue, and can be used for heating tissue when the high-frequency high-voltage current produced by effective electrode tip is contacted with human body so as to implement separation and coagulation of human body tissue.

However, the electrode length of the current surgical electric knife pen is not adjustable, and sometimes the surgical requirements cannot be met, so that surgical electrodes with the lengths required by other composite surgeries need to be replaced, and even different electric knife pens are replaced to meet the surgical requirements.

Therefore, the portable electric knife pen with the retractable knife head is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a scalable electrotome pen of portable tool bit, the device can conveniently adjust the position to the electrotome head and realize that the electrotome head is scalable to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a portable electric knife pen with a telescopic knife head comprises a shell, wherein a corrugated pipe, an electric wire penetrating through the corrugated pipe and a plug connected with the electric wire are arranged at the tail part inside the shell, a black marker post is movably arranged inside the shell, one end of the black marker post extends to the outside of the head part of the shell, a sheath is clamped at one end of the extending part outside the shell, a knife holder is arranged inside the sheath, and the knife holder is connected with a knife head;

the black marker post outside one side is provided with the scale mark, be provided with the mechanism of enlargeing of being convenient for observe the scale mark on the casing.

Further, the magnifying mechanism comprises a magnifying structure and a positioning structure, the magnifying structure is a transparent convex lens structure arranged on the head of the shell, the scale marks on the black mark post in the shell can be observed through the magnifying structure, and the positioning structure is arranged between the magnifying structure and the black mark post and used for determining the observing position of the magnifying structure.

Furthermore, the positioning structure comprises a transparent plate arranged between the amplifying structure and the black marker post, the transparent plate is fixed on the shell, and positioning lines parallel to the scale lines are arranged on the transparent plate.

Furthermore, the bottom end of the black mark post is provided with an elastic mechanism for improving the effect that the black mark post can move to the position of the corresponding scale mark more accurately.

Further, elasticity mechanism includes recess and elastic component, the recess is equipped with a plurality ofly and sets up in black sighting rod bottom, and is a plurality of scale homogeneous of scale mark are located same vertical plane on recess and the black sighting rod, elastic component sets up inside the casing, and can cooperate the setting with the recess.

Further, the elastic part comprises an arc-shaped plate and a protrusion, the arc-shaped plate is an elastic metal plate and is arranged on the inner side of the head of the shell, the protrusion is fixedly connected with the arc-shaped plate, and the protrusion can be clamped into the groove.

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

the utility model discloses a setting up scale mark and mechanism of amplification can realize the length that more accurate regulation black sighting rod extends to the length that the regulation tool bit that can be convenient extends, make and use more convenient.

Drawings

Fig. 1 is a schematic view of the overall structure of a portable electric knife pen with a retractable knife head;

fig. 2 is an exploded schematic view of a portable electric knife pen with a retractable knife head according to the present invention;

FIG. 3 is a partially enlarged view of FIG. 2;

FIG. 4 is an enlarged view of the structure at A in FIG. 3;

fig. 5 is the utility model provides a black sighting rod structure sketch map in portable electric knife pen with a retractable tool bit.

In the figure: 1. a housing; 11. an upper cutter shell; 12. a lower cutter shell; 13. a cutter housing attachment; 14. the tail end of the cutter shell; 2. a bellows; 3. an electric wire; 4. a black post; 5. a sheath; 6. a tool apron; 7. a cutter head; 8. scale marks; 9. an amplifying mechanism; 91. an amplifying structure; 92. a positioning structure; 921. a transparent plate; 922. positioning a line; 10. an elastic mechanism; 101. a groove; 102. an elastic member; 1021. an arc-shaped plate; 1022. and (4) protruding.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-5, a portable electric knife pen with a retractable knife head comprises a shell 1, wherein the shell 1 comprises an upper knife shell 11 and a lower knife shell 12, the upper knife shell 11 and the lower knife shell 12 are connected in a clamping mode through matching between a pin and a groove 101, the tail portions of the upper knife shell 11 and the lower knife shell 12 are provided with knife shell connecting pieces 13 which are arranged at the tail portions of the upper knife shell 11 and the lower knife shell 12 in a sleeved mode, knife shell tail ends 14 are connected to the knife shell connecting pieces 13 in a threaded mode, the knife shell tail ends 14 are connected to corrugated pipes 2, electric wires 3 penetrate through the corrugated pipes 2 from the knife shell tail ends 14 and are connected with plugs, a negative pressure applying device is arranged at the tail ends of the corrugated pipes 2, negative pressure can be generated inside the shell 1 through the corrugated pipes 2, and therefore the effect of smoke gas recording attraction can be achieved.

Wherein there is black sighting rod 4 at the inside swing joint of lower tool case 12, 4 one ends of black sighting rod extend to 1 head outside of casing, and the one end joint of 1 outside of extension casing has sheath 5, 5 inside blade holders 6 that are provided with of sheath, be connected with tool bit 7 on the blade holder 6, and 4 tops of black sighting rod are provided with the circuit board of the work of control tool bit 7, the circuit board is connected with electric wire 3, the circuit board passes through connecting wire and 6 electric connection of blade holder, the connecting wire passes black sighting rod 4 and sets up, and be provided with the shell fragment of the break-make electricity of control blade holder 6 on the circuit board, and with shell fragment matched with dot button, dot button sets up on last tool case 11.

The scale marks 8 are arranged on one side of the outer part of the black mark post 4, the shell 1 is provided with an amplifying mechanism 9 which is convenient for observing the scale marks 8, namely the amplifying mechanism 91 is included, the amplifying mechanism 91 is a transparent convex lens structure arranged on the head part of the shell 1, the scale marks 8 on the black mark post 4 in the shell 1 can be observed through the amplifying mechanism 91,

amplifying mechanism 9 number is including location structure 92, and location structure 92 sets up between amplifying structure 91 and the black sighting rod 4 for confirm that amplifying structure 91 observes the position, and location structure 92 specifically is including setting up the transparent plate 921 between amplifying structure 91 and black sighting rod 4, and the transparent plate 921 is fixed on casing 1, is equipped with the location line 922 that parallels with scale mark 8 on the transparent plate 921. Therefore, when the user observes the scale mark 8 through the magnifying structure 91, the user can read the reading on the scale mark 8 through the scale mark 8 corresponding to the positioning line 922.

Of course, the positioning structure 92 may be a line disposed between the enlarging structure 91 and the black post 4, but the line needs to be in a tight state.

In order to further realize that the black mark post 4 can move to a position needing to move, an elastic mechanism 10 can be arranged at the bottom end of the black mark post 4, so as to improve the effect that the black mark post 4 can move to the position of the corresponding scale mark 8 more accurately.

Elastic mechanism 10 includes recess 101 and elastic component 102, recess 101 is equipped with a plurality ofly and sets up in black sighting rod 4 bottom, 8 a plurality of scale homogeneous of scale mark are located same vertical plane on a plurality of recesses 101 and the black sighting rod 4, elastic component 102 sets up inside the casing 1, and can cooperate the setting with recess 101, that is, when black sighting rod 4 removed a scale mark 8, elastic component 102 at this moment will experience and separate with one of them recess 101 then with adjacent recess 101 matched with process, one of them can realize that black sighting rod 4 better moves to the position with corresponding scale mark 8, its two can realize improving the accuracy that personnel adjusted through the sense of touch in elastic component 102 and the recess 101 separation cooperation process.

The elastic member 102 includes an arc plate 1021 and a protrusion 1022, wherein the arc plate 1021 is an elastic metal plate and is disposed inside the head of the housing 1, that is, the arc plate 1021 can be elastically deformed, the protrusion 1022 is fixedly connected to the arc plate 1021, and the protrusion 1022 can be engaged with the inside of the groove 101.

Or the resilient member 102 may comprise only the curved plate 1021, and the end of the curved plate 1021 may enter the recess 101.

Now, the operation principle of the present invention is described as follows:

when the user uses, if the length of needs regulation tool bit 7, can take place relative movement between in order to realize black sighting rod 4 and casing 1 through pulling sheath 5 to can observe scale mark 8 on the black sighting rod 4 through enlarged structure 91, wherein the cooperation of elastic component 102 and recess 101 can realize that black sighting rod 4 more accurate removes to the position at corresponding scale mark 8 place, thereby the length that the regulation tool bit 7 that can be more accurate extends or shortens.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A portable electric knife pen with a telescopic knife head comprises a shell (1), wherein a corrugated pipe (2) and an electric wire (3) penetrating through the corrugated pipe (2) are arranged at the tail part of the interior of the shell (1), and the portable electric knife pen is characterized in that a black marker post (4) is movably arranged in the shell (1), one end of the black marker post (4) extends to the outside of the head part of the shell (1), a sheath (5) is clamped at one end of the extending part outside the shell (1), a knife holder (6) is arranged in the sheath (5), and a knife head (7) is connected onto the knife holder (6);

scale marks (8) are arranged on one side of the outer portion of the black marker post (4), and an amplification mechanism (9) convenient for observing the scale marks (8) is arranged on the shell (1).

2. The portable electric knife pen with the retractable knife head as claimed in claim 1, wherein the magnifying mechanism (9) comprises a magnifying structure (91) and a positioning structure (92), the magnifying structure (91) is a transparent convex lens structure arranged at the head of the casing (1), the scale marks (8) on the black marker post (4) in the casing (1) can be observed through the magnifying structure (91), and the positioning structure (92) is arranged between the magnifying structure (91) and the black marker post (4) for determining the observation position of the magnifying structure (91).

3. The portable electric knife pen with the retractable knife head as claimed in claim 2, wherein the positioning structure (92) comprises a transparent plate (921) arranged between the amplifying structure (91) and the black mark post (4), the transparent plate (921) is fixed on the casing (1), and positioning lines (922) parallel to the scale lines (8) are arranged on the transparent plate (921).

4. The portable electric knife pen with the retractable knife head as claimed in claim 1, wherein the bottom end of the black marker post (4) is provided with an elastic mechanism (10) for improving the effect that the black marker post can move to the position of the corresponding scale mark more accurately.

5. The portable electric knife pen with the retractable knife head as claimed in claim 4, wherein the elastic mechanism (10) comprises a plurality of grooves (101) and elastic pieces (102), the grooves (101) are arranged at the bottom end of the black mark post (4), a plurality of scales of the scale marks (8) on the grooves (101) and the black mark post (4) are located on the same vertical plane one by one, and the elastic pieces (102) are arranged inside the shell (1) and can be matched with the grooves (101).

6. The portable electric knife pen with retractable tool bit as claimed in claim 5, wherein the elastic member (102) comprises an arc-shaped plate (1021) and a protrusion (1022), the arc-shaped plate (1021) is an elastic metal plate and is disposed inside the head of the housing (1), the protrusion (1022) is fixedly connected with the arc-shaped plate (1021), and the protrusion (1022) can be clamped into the groove (101).

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