Buckle type telescopic knife pen convenient to assemble

Abstract

The buckle type telescopic knife pen convenient to assemble comprises a handle, an electric knife assembly and a control assembly, and the handle is formed by splicing an upper shell and a lower shell; the electrotome assembly comprises an electrode stem and a conductive tube, the conductive tube sleeves the electrode stem and is electrically connected with the electrode stem, the front end of the electrode stem extends out of the conductive tube and is connected with a tool bit, a first positioning groove and a second positioning groove are formed in the upper shell, and a third positioning groove and a fourth positioning groove are correspondingly formed in the lower shell. The first positioning groove and the third positioning groove can be matched to accommodate the electrode stem, and the second positioning groove and the fourth positioning groove can be matched to accommodate the conductive tube; the control assembly comprises a control key and a circuit board, a plurality of buckling parts are arranged on the two opposite side walls in the upper shell, the circuit board can be fixedly installed in the upper shell through the buckling parts, a clamping ring is arranged on the side, away from the upper shell, of the circuit board, and the clamping ring can be clamped to the conductive tube. The embodiment of the utility model is convenient to assemble and stable in structure.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to a snap-on telescopic scalpel pen that is easy to assemble. Background Technology

[0002] In the field of medical devices, electrosurgical scalpels are a common surgical tool used to cut and coagulate biological tissues using high-frequency current. However, existing electrosurgical scalpels often suffer from complex structures, difficulty in assembly, or insufficient structural stability after installation, affecting their performance. Utility Model Content

[0003] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a snap-on telescopic pen that is easy to assemble and has a stable structure.

[0004] According to this utility model, a snap-fit ​​telescopic scalpel for easy assembly includes a handle, an electrosurgical assembly, and a control assembly. The handle is formed by splicing an upper shell and a lower shell. The electrosurgical assembly includes an electrode rod and a conductive tube. The conductive tube is fitted onto the electrode rod and electrically connected to it. The front end of the electrode rod extends out of the conductive tube and is connected to a cutting head. The upper shell has a first positioning groove and a second positioning groove arranged sequentially from front to back. The lower shell has a third positioning groove and a fourth positioning groove correspondingly arranged. The first positioning groove and the third positioning groove can cooperate to accommodate the electrode rod, and the second positioning groove and the fourth positioning groove can cooperate to accommodate the conductive tube. The control assembly includes a control button and a circuit board. The control button is mounted on the surface of the upper shell. Several snap-fit ​​parts are provided on opposite side walls of the upper shell. The circuit board can be fixedly installed in the upper shell through the snap-fit ​​parts. A retaining ring is provided on the side of the circuit board away from the upper shell, and the retaining ring can be snapped onto the conductive tube.

[0005] The snap-fit ​​telescopic pen according to the above embodiments of the present invention has at least the following beneficial effects:

[0006] The snap-fit ​​telescopic electric knife pen provided in this embodiment features a handle structure formed by splicing an upper and lower shell. Corresponding positioning grooves are provided inside the handle, allowing the electrode rod and conductive tube to be precisely and securely installed in predetermined positions. This greatly simplifies the assembly process of the electric knife assembly, reduces assembly time, and improves production efficiency. Specifically, after assembling the electric knife assembly, the user places the protruding part of the electrode rod and the conductive tube into the third and fourth positioning grooves of the lower shell. Then, the circuit board is directly snapped into the upper shell for fixed installation. Finally, the upper and lower shells are spliced ​​together. The retaining ring of the circuit board further secures the position of the conductive tube, ensuring the stability of the assembled structure and guaranteeing performance.

[0007] According to some embodiments of the present invention, the edge of the upper housing is provided with a groove, and the edge of the lower housing is provided with a corresponding protrusion, the protrusion being able to engage with the groove.

[0008] According to some embodiments of the present invention, two latching portions are respectively provided on the opposite side walls of the upper housing, and the two latching portions on one side are located between the two latching portions on the other side.

[0009] According to some embodiments of the present invention, a first positioning block is provided at the front of the upper housing, and the first positioning block is provided with a first positioning groove; a third positioning block is correspondingly provided in the lower housing, and the third positioning block is provided with a third positioning groove.

[0010] According to some embodiments of the present invention, the front and rear portions of the upper housing are respectively provided with second positioning blocks, the second positioning blocks are provided with second positioning grooves, and the lower housing is correspondingly provided with fourth positioning blocks, the fourth positioning blocks are provided with fourth positioning grooves.

[0011] According to some embodiments of the present invention, a plurality of support blocks are provided inside the lower housing, and the support blocks are located between the two fourth positioning blocks. When the upper housing and the lower housing are assembled, the support blocks can support the circuit board.

[0012] According to some embodiments of the present invention, a limiting block is provided behind the fourth positioning block in the lower housing, and when the conductive tube is installed in the fourth positioning groove, the rear end of the conductive tube can abut against the limiting block.

[0013] According to some embodiments of the present invention, the electrode rod can move along the axial direction of the conductive tube, and the rear end of the electrode rod is connected to a contact element that maintains electrical contact with the conductive tube.

[0014] According to some embodiments of the present invention, the rear end of the electrode rod is provided with a receiving shaft, and the receiving component includes two receiving sleeves fitted onto the receiving shaft and a lamp cover connected between the two receiving sleeves, wherein the lamp cover can maintain electrical contact with the receiving sleeves.

[0015] According to some embodiments of the present invention, the upper housing is provided with two first positioning blocks, which are arranged side by side at intervals along the front-rear direction. The lower housing is provided with two third positioning blocks. A silicone ring for buffering is installed between the two first positioning blocks, and the front end of the electrode rod passes through the silicone ring.

[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0018] Figure 1 This is a schematic diagram of the structure of the snap-on telescopic knife pen, which is easy to assemble, according to an embodiment of the present invention.

[0019] Figure 2 An exploded view of the snap-on telescopic pen for easy assembly according to an embodiment of this utility model;

[0020] Figure 3 This is a schematic diagram of the upper shell structure according to an embodiment of the present utility model;

[0021] Figure 4 This is a schematic diagram of the lower shell structure according to an embodiment of the present invention.

[0022] In the attached figures, the following labels are used:

[0023] Handle 100; Upper housing 110; First positioning groove 111; Second positioning groove 112; Buckle part 113; Groove 114; First positioning block 115; Second positioning block 116; Lower housing 120; Third positioning groove 121; Fourth positioning groove 122; Protrusion 123; Third positioning block 124; Fourth positioning block 125; Support block 126; Limiting block 127; Silicone ring 130; Anti-slip texture 140;

[0024] Electrode rod 210; blade 211; connecting shaft 212; conductive tube 220; connecting sleeve 230; lamp cover 240;

[0025] Circuit board 310; retaining ring 311; electric cutting button 320; electric coagulation button 330. Detailed Implementation

[0026] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0027] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0028] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0029] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly. Those skilled in the art can reasonably determine the specific meaning of these terms in this utility model based on the specific content of the technical solution. In the description of this utility model, the terms "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described can be combined in any suitable manner in one or more embodiments or examples. In the description of this specification, the terms "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0030] Reference Figures 1 to 4According to this utility model, a snap-fit ​​telescopic scalpel is provided, which is easy to assemble. It includes a handle 100, an electrosurgical assembly, and a control assembly. The handle 100 is formed by splicing an upper housing 110 and a lower housing 120. The electrosurgical assembly includes an electrode rod 210 and a conductive tube 220. The conductive tube 220 is fitted onto and electrically connected to the electrode rod 210. The front end of the electrode rod 210 extends out of the conductive tube 220 and is connected to a cutting head 211. The upper housing 110 has a first positioning groove 111 and a second positioning groove 112 arranged sequentially from front to back. The lower housing 120 has a corresponding third positioning groove 121 and a fourth positioning groove 122. The first positioning groove 11 and the third positioning groove 121 can cooperate to accommodate the electrode rod 210, and the second positioning groove 112 and the fourth positioning groove 122 can cooperate to accommodate the conductive tube 220. The control component includes a control button and a circuit board 310. The control button is installed on the surface of the upper housing 110. Several snap-fit ​​parts 113 are provided on the opposite side walls inside the upper housing 110. The circuit board 310 can be fixedly installed inside the upper housing 110 through the snap-fit ​​parts 113. A retaining ring 311 is provided on the side of the circuit board 310 away from the upper housing 110. The retaining ring 311 can be snapped onto the conductive tube 220. The conductive tube 220 and the control button are both electrically connected to the circuit board 310.

[0031] It is understood that the snap-fit ​​telescopic scalpel provided in this embodiment of the present invention, through the design of a handle 100 structure formed by splicing an upper housing 110 and a lower housing 120, and the setting of corresponding positioning grooves inside the handle 100, allows the electrode rod 210 and the conductive tube 220 to be accurately and stably installed in predetermined positions, greatly simplifying the assembly process of the electrosurgical unit, reducing assembly time, and improving production efficiency. Specifically, after assembling the electrosurgical unit, the user first places the protruding part of the electrode rod 210 and the conductive tube 220 into the third positioning groove 121 and the fourth positioning groove 122 of the lower housing 120, respectively. Then, the circuit board 310 is directly snapped into the upper housing 110 through the snap-fit ​​part 113 for fixed installation. Finally, the upper housing 110 and the lower housing 120 are spliced ​​together. The retaining ring 311 of the circuit board 310 can further fix the position of the conductive tube 220 to ensure the stability of the assembled structure and guarantee its performance.

[0032] Furthermore, refer to Figure 3 and Figure 4 According to some embodiments of the present invention, the edge of the upper housing 110 is provided with a groove 114, and the edge of the lower housing 120 is provided with a corresponding protrusion 123. The protrusion 123 can engage with the groove 114, which simplifies the assembly process of the handle 100 and improves the structural stability after assembly.

[0033] Furthermore, refer to Figure 3According to some embodiments of the present invention, two latching parts 113 are respectively provided on the opposite side walls of the upper housing 110, and the two latching parts 113 on one side are located between the two latching parts 113 on the other side, which helps to distribute the fixing force more evenly, making the circuit board 310 more stable. At the same time, it can also prevent the circuit board 310 from shifting or vibrating during use, thereby ensuring the reliability of the equipment operation.

[0034] Furthermore, refer to Figure 3 and Figure 4 According to some embodiments of the present invention, a first positioning block 115 is provided in the front part of the upper housing 110, and a first positioning groove 111 is provided in the first positioning block 115. A third positioning block 124 is provided in the lower housing 120, and a third positioning groove 121 is provided in the third positioning block 124. This simplifies the structure and reduces production costs while ensuring positioning performance.

[0035] Furthermore, refer to Figure 3 and Figure 4 According to some embodiments of the present invention, the front and rear parts of the upper housing 110 are respectively provided with second positioning blocks 116, and the second positioning blocks 116 are provided with second positioning grooves 112. The lower housing 120 is correspondingly provided with a fourth positioning block 125, and the fourth positioning block 125 is provided with a fourth positioning groove 122. This simplifies the structure and reduces production costs while ensuring positioning performance.

[0036] Furthermore, refer to Figure 4 According to some embodiments of the present invention, a plurality of support blocks 126 are provided inside the lower housing 120. The support blocks 126 are located between two fourth positioning blocks 125. When the upper housing 110 and the lower housing 120 are assembled, the support blocks 126 can support the circuit board 310, thereby increasing the firmness of the circuit board 310 installation, reducing the risk of damage to the circuit board 310 caused by external impact or vibration, and improving the overall durability of the equipment.

[0037] Furthermore, refer to Figure 4 According to some embodiments of the present invention, a limiting block 127 is provided behind the fourth positioning block 125 in the lower housing 120. When the conductive tube 220 is installed in the fourth positioning groove 122, the rear end of the conductive tube 220 can abut against the limiting block 127, thereby ensuring the accuracy of the installation position of the conductive tube 220 and avoiding the degradation of electrical performance or other potential problems caused by improper position.

[0038] Furthermore, refer to Figure 2According to some embodiments of the present invention, the electrode rod 210 can move along the axial direction of the conductive tube 220, and the rear end of the electrode rod 210 is connected to a contact element that maintains electrical contact with the conductive tube 220. The telescopic electrode rod 210 meets the needs of different wound depths during the operation, and the contact element ensures the performance of the device during the operation.

[0039] Furthermore, refer to Figure 2 According to some embodiments of the present invention, the rear end of the electrode rod 210 is provided with a power receiving shaft 212. The power receiving component includes two power receiving sleeves 230 fitted onto the power receiving shaft 212 and a lamp cover 240 connected between the two power receiving sleeves 230. The lamp cover 240 can maintain electrical contact with the power receiving sleeves 230 to ensure performance during the operation.

[0040] Furthermore, refer to Figures 2 to 4 According to some embodiments of this utility model, the upper housing 110 is provided with two first positioning blocks 115, which are arranged side by side at intervals along the front-back direction. The lower housing 120 is provided with two third positioning blocks 124. A silicone ring 130 for buffering is installed between the two first positioning blocks 115. The front end of the electrode rod 210 passes through the silicone ring 130, thereby absorbing the vibration generated when the electrode rod 210 extends and retracts to a certain extent, reducing the impact on surgical operations, and also protecting the electrode rod 210 and extending the service life of the equipment.

[0041] Furthermore, refer to Figure 1 According to some embodiments of the present invention, the control buttons include an electric cutting button 320 and an electrocoagulation button 330 arranged sequentially from front to back, thereby controlling the cutter head 211 to perform electric cutting or electrocoagulation operations.

[0042] Furthermore, refer to Figure 1 According to some embodiments of the present invention, the side of the handle 100 is provided with anti-slip texture 140 to facilitate use by doctors.

[0043] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A snap-on retractable penknife which is easy to assemble, characterized in that, The utility model provides a handle is spliced by upper shell and lower shell, and the handle is provided with a control assembly and an electric knife assembly. The utility model discloses a handle is spliced by upper shell and lower shell, and the handle is provided with a control assembly and an electric knife assembly. The utility model discloses a handle is spliced by upper shell and lower shell, and the handle is provided with a control assembly and an electric knife assembly. The utility model discloses a handle is spliced by upper shell and lower shell, and the handle is provided with a control assembly and an electric knife assembly.

2. The retractable click pen with easy assembly of claim 1, wherein, The utility model discloses a handle is spliced by upper shell and lower shell, and the handle is provided with a control assembly and an electric knife assembly.

3. The retractable click pen with easy assembly of claim 1, wherein, The utility model discloses a handle is spliced by upper shell and lower shell, and the handle is provided with a control assembly and an electric knife assembly.

4. The retractable click pen with easy assembly of claim 1, wherein, The utility model discloses a handle is spliced by upper shell and lower shell, and the handle is provided with a control assembly and an electric knife assembly.

5. The retractable click pen with easy assembly of claim 4, wherein, The utility model discloses a handle is spliced by upper shell and lower shell, and the handle is provided with a control assembly and an electric knife assembly.

6. The retractable click pen with easy assembly of claim 5, wherein, The utility model discloses a handle is spliced by upper shell and lower shell, and the handle is provided with a control assembly and an electric knife assembly.

7. The retractable click pen with easy assembly of claim 5, wherein, The utility model discloses a handle is spliced by upper shell and lower shell, and the handle is provided with a control assembly and an electric knife assembly.

8. The retractable click pen with easy assembly of claim 4, wherein, The utility model discloses a handle is spliced by upper shell and lower shell, and the handle is provided with a control assembly and an electric knife assembly.

9. The retractable click pen with easy assembly of claim 8, wherein, The utility model discloses a handle is spliced by upper shell and lower shell, and the handle is provided with a control assembly and an electric knife assembly.

10. The retractable click pen with easy assembly of claim 8, wherein, The utility model discloses a handle is spliced by upper shell and lower shell, and the handle is provided with a control assembly and an electric knife assembly. The utility model discloses a handle is spliced by upper shell and lower shell, and the handle is provided with a control assembly and an electric knife assembly. The utility model discloses a handle is spliced by upper shell and lower shell, and the handle is provided with a control assembly and an electric knife assembly. The utility model discloses a handle is spliced by upper shell and lower shell, and the handle is provided with a control assembly and an electronic knife assembly. The utility model discloses a handle is spliced by upper shell and lower shell.

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