CN221383754U - Electric knife capable of fixing length - Google Patents

Abstract

The utility model discloses an electric knife with a fixed length, which relates to the technical field of medical instruments. The utility model designs the electric knife with the fixed length, and the fixed assembly is arranged, so that the clamping block can be contacted with clamping grooves at different positions according to the length of the required electric knife head through the mutual matching among the limiting sliding block, the fixed block, the movable block and the installation block, the fixing of the limiting sliding block is further completed, the fixing of the length of the electric knife head is completed, the possibility of shrinkage of the electric knife head is reduced, and the electric knife is simple in structure and convenient to operate.

Description

Electric knife capable of fixing length

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an electric knife with a fixed length.

Background

In the endoscopic breast surgery process, the electrotome is a commonly used medical instrument, but the current electrotome can not be used for adjusting the length of the electrotome relatively quickly in the use process, and the electrotome is not provided with a fixing mechanism, so that the electrotome head can shrink in the surgery process, and the surgery efficiency is further affected.

Based on the above, an electrotome with a fixed length is provided, and the defects of the prior device can be eliminated.

Disclosure of utility model

The utility model aims to provide an electric knife with a fixed length, which solves the problem that the length of the electric knife cannot be fixed.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides an electric knife that can fix length, includes electric knife handle and installs at the inside electric knife head of electric knife handle, the surface of electric knife handle is seted up flutedly, still includes fixed subassembly, fixed subassembly sets up in the inside of recess for fix the extension length of electric knife head.

Preferably, the fixed subassembly includes the installation piece, one side and the electric knife head fixed connection of installation piece, the upper end of installation piece is provided with the spout, the inside slip of spout is provided with spacing slider, one side that spacing slider was kept away from to the installation piece is provided with the fixed block, the fixed block has the movable block through spring coupling, one side of spacing slider is provided with the opening with the movable block looks adaptation.

Preferably, a round hole is formed in one side of the electric knife handle, an electric knife wire is movably arranged in the round hole, and one end of the electric knife wire extends to the inside of the groove and is connected with the mounting block.

Preferably, a plurality of clamping grooves are uniformly formed in one side of the groove.

Preferably, guide blocks are arranged on two sides of the mounting block, and the guide blocks are in sliding connection with the grooves.

Preferably, clamping blocks are symmetrically arranged on one side of the limiting sliding block, and the clamping blocks are matched with the clamping grooves in size and shape.

Preferably, a protrusion is arranged on one side of the fixed block, which is close to the limit sliding block, and a protrusion groove matched with the protrusion is arranged on the surface of the limit sliding block.

The electric knife handle is characterized by further comprising a protective sleeve, wherein a connecting plate is arranged on one side of the protective sleeve, and the connecting plate is movably connected with the electric knife handle through a rotating shaft.

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

According to the electric knife with the fixed length, the fixed assembly is arranged, and the clamping blocks can be contacted with clamping grooves at different positions according to the length of the required electric knife head through the mutual matching among the limiting sliding blocks, the fixed blocks, the movable blocks and the installation blocks, so that the fixing of the limiting sliding blocks is finished, the fixing of the length of the electric knife head is finished, the possibility of shrinkage of the electric knife head is reduced, and the electric knife is simple in structure and convenient to operate.

Drawings

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

Fig. 2 is a schematic diagram of the original state structure of the present utility model.

Fig. 3 is a schematic structural view of the fixing assembly of the present utility model.

Fig. 4 is a schematic structural view of the mounting block of the present utility model.

Fig. 5 is a schematic structural view of the limit slider of the present utility model.

Fig. 6 is a schematic structural view of embodiment 2 of the present utility model.

Reference numerals annotate: 1. an electric knife handle; 2. an electric cutter head; 3. a groove; 4. a mounting block; 5. a chute; 6. a limit sliding block; 7. a fixed block; 8. a movable block; 9. an electric knife wire; 10. a clamping groove; 11. a clamping block; 12. a protrusion; 13. a protective sleeve; 14. and (5) connecting a plate.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

Example 1

In this embodiment, as shown in fig. 1 to 5, an electric knife with a fixable length includes an electric knife handle 1 and an electric knife head 2 mounted inside the electric knife handle 1, a groove 3 is provided on the surface of the electric knife handle 1, and a fixing component is further provided inside the groove 3 and is used for fixing the extension length of the electric knife head 2, and through the fixing component, a user can control the extension length of the electric knife head 2 according to the requirement of the operation type, so as to avoid shaking or shifting of the electric knife head 2 during the operation, which results in accidents of the operation;

As shown in fig. 3-5, the fixing component comprises a mounting block 4, one side of the mounting block 4 is fixedly connected with the electric cutter head 2, a chute 5 is arranged at the upper end of the mounting block 4, a limit sliding block 6 is arranged in the chute 5 in a sliding manner, a plurality of anti-slip strips are arranged at the top of the limit sliding block 6, the friction effect between a user and the limit sliding block 6 is improved, the fixing component is convenient to use, one side of the mounting block 4, which is far away from the limit sliding block 6, is provided with a fixing block 7, the fixing block 7 is connected with a movable block 8 through a spring, the movable block 8 has the automatic resetting capability due to the spring, an opening matched with the movable block 8 is arranged at one side of the limit sliding block 6, and the movable block 8 is contacted with the opening in a natural telescopic rotating state by the spring, so that the limiting effect of the limit sliding block 6 is achieved;

As shown in fig. 2, a round hole is formed in one side of the electric knife handle 1, an electric wire clamp can be arranged on one side of the electric knife handle 1, so that the electric knife wires 9 are fixed, the situation that the electric knife wires 9 are stacked is avoided, the electric knife wires 9 are movably arranged in the round hole, one end of each electric knife wire 9 extends into the groove 3 and is connected with the mounting block 4, and the electric knife wires 9 are electrically connected with the electric knife head 2;

As shown in fig. 2, a plurality of clamping grooves 10 are uniformly formed in one side of the groove 3, the clamping grooves 10 play a role in limiting the clamping blocks 11, and two independent clamping grooves 10 are formed in one side, close to the round hole, of the groove 3, so that when an electric knife with a fixable length is idle, the electric knife head 2 is prevented from extending out due to false touch, and potential safety hazards are further caused to a user;

As shown in fig. 4, guide blocks are arranged on two sides of the mounting block 4 and are in sliding connection with the groove 3, so that the structural stability of the device is improved;

as shown in fig. 3, one side of the limit slider 6 is symmetrically provided with a clamping block 11, the clamping block 11 is matched with the clamping groove 10 in size and shape, and the clamping block 11 has a limiting effect on the mounting block 4 and the electric cutter head 2 so as to control the extension length of the electric cutter head 2;

As shown in fig. 4, a protrusion 12 is arranged on one side of the fixed block 7, which is close to the limit sliding block 6, a protrusion groove matched with the protrusion 12 is arranged on the surface of the limit sliding block 6, and the protrusion 12 has the function of improving the overall practicability of the device and guiding the movement of the limit sliding block 6;

Example 2

The difference from embodiment 1 is that, as shown in fig. 6, the electric knife handle further comprises a protecting sleeve 13, wherein the protecting sleeve 13 can shield one side of the electric knife handle 1 to avoid damage of the electric knife head 2, a connecting plate 14 is arranged on one side of the protecting sleeve 13, the connecting plate 14 is movably connected with the electric knife handle 1 through a rotating shaft, when the electric knife head 2 is required to be used, the protecting sleeve 13 is lifted firstly, and the protecting sleeve 13 rotates to the top of the electric knife handle 1 around the rotating shaft through the connecting plate 14 so as to facilitate expansion and contraction of the electric knife head 2.

When the electric knife head is used, a user presses the limit sliding block 6 through fingers, the limit sliding block 6 moves towards the direction of the movable block 8, the clamping block 11 is separated from the clamping groove 10, the spring is in a compressed state, the fingers drive the limit sliding block 6 to move left and right along the direction of the groove 3, the electric knife head 2 is driven to move forwards or backwards, the extension length of the electric knife head 2 is adjusted, when the clamping block 11 is aligned with the clamping groove 10 at the corresponding position, the fingers are loosened, under the mutual matching of the spring and the movable block 8, the limit sliding block 6 is driven to move upwards, the clamping block 11 is contacted with the clamping groove 10 again, the extension length of the electric knife head 2 is fixed, the operation is simple, and the electric knife head is convenient to adjust.

The foregoing is merely specific embodiments of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the disclosure, and it is intended to cover the scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims (8)

1. The utility model provides an electric knife that can fix length, includes electric knife handle (1) and installs at electric knife head (2) of electric knife handle (1) inside, recess (3) have been seted up on the surface of electric knife handle (1), its characterized in that still includes fixed subassembly, fixed subassembly sets up in the inside of recess (3) for fix the extension length of electric knife head (2).

2. The electric knife with the fixed length according to claim 1, wherein the fixed component comprises a mounting block (4), one side of the mounting block (4) is fixedly connected with the electric knife head (2), a sliding groove (5) is formed in the upper end of the mounting block (4), a limit sliding block (6) is arranged in the sliding groove (5) in a sliding mode, a fixed block (7) is arranged on one side, away from the limit sliding block (6), of the mounting block (4), a movable block (8) is connected with the fixed block (7) through a spring, and an opening matched with the movable block (8) is formed in one side of the limit sliding block (6).

3. The electric knife with the fixed length according to claim 1, wherein a round hole is formed in one side of the electric knife handle (1), an electric knife wire (9) is movably arranged in the round hole, and one end of the electric knife wire (9) extends into the groove (3) and is connected with the mounting block (4).

4. The fixable-length electric knife according to claim 1, characterized in that a plurality of clamping grooves (10) are uniformly arranged on one side of the groove (3).

5. The fixable-length electric knife according to claim 2, characterized in that the mounting blocks (4) are provided on both sides with guide blocks, which are in sliding connection with the grooves (3).

6. The electric knife with the fixed length according to claim 2, wherein clamping blocks (11) are symmetrically arranged on one side of the limiting sliding block (6), and the clamping blocks (11) are matched with the clamping grooves (10) in size and shape.

7. The electric knife with the fixed length according to claim 2, wherein a protrusion (12) is arranged on one side of the fixed block (7) close to the limit sliding block (6), and a protrusion groove matched with the protrusion (12) is arranged on the surface of the limit sliding block (6).

8. The fixed-length electric knife according to claim 1, further comprising a protective sleeve (13), wherein a connecting plate (14) is arranged on one side of the protective sleeve (13), and the connecting plate (14) is movably connected with the electric knife handle (1) through a rotating shaft.