CN209285670U - A kind of band knife puncture outfit - Google Patents

Abstract

The utility model discloses a kind of band knife puncture outfits, including rear cover, connecting rod, blade housing and cutter head, rear cover top inner wall center is fixedly welded with limit sleeve, the rear cover inner wall, which is located inside limit sleeve, is fixedly welded with connecting rod, the connecting rod is located at one end movable sleeve inside limit sleeve and is connected to first back-moving spring, the rear cover top inner wall, which is located at limit sleeve side fixed placement, second back-moving spring, the second back-moving spring other end internal activity is plugged with trigger button, the utility model pulls out cutter head lid, trigger button is pressed first, so that the slide block promotion of trigger button side is stirred pin and is moved horizontally, pin is stirred at this time no longer limits blade housing, therefore blade housing can be to moving inside rear cover when in use, it is easy to use to expose cutter head, trigger button is pressed when not in use and by blade housing It is connected to and stirs inside pin, the position of blade housing can be limited, avoid the exposing that cutter head is excessive, avoid accidentally injuring.

Description

A kind of band knife puncture outfit

Technical field

The utility model relates to the field of medical instrument technology, specially a kind of band knife puncture outfit.

Background technique

Disposable ENDOPATH surgery puncture outfit is by structure compositions such as plugger, casing and switch caps.Plugger Material is polycarbonate and medical stainless steel, casing and converts cap material as polycarbonate.

But there are some drawbacks in use in traditional puncture outfit, such as:

Traditional band typically no safeguard construction of knife puncture outfit, is easy to be exposed to outside using cutter head when puncture outfit, It is easy to accidentally injure when user uses.

Utility model content

The purpose of this utility model is to provide a kind of band knife puncture outfits, to solve mentioned above in the background art ask Topic.

To achieve the above object, the utility model provides the following technical solutions: a kind of band knife puncture outfit, including rear cover, company Extension bar, blade housing and cutter head, rear cover top inner wall center are fixedly welded with limit sleeve, and the rear cover inner wall is located at limit Set is internal to be fixedly welded with connecting rod, and the connecting rod is located at one end movable sleeve inside limit sleeve and is connected to first back-moving spring, institute Stating rear cover top inner wall and being located at limit sleeve side fixed placement has a second back-moving spring, inside the second back-moving spring other end Activity is plugged with trigger button, and the trigger button is located at that rear cover interior side face is fixed to offer slide block, in the rear cover Portion, which is located at trigger button side and is slidably fitted with, stirs pin, and pin one end movable sleeve of stirring is connected to third reset spring, described It stirs and is matched in the middle part of pin with slide block, the rear cover is plugged with blade housing, the company far from limit sleeve side central movable Extension bar is plugged on inside blade housing far from the activity of limit sleeve one end；The connecting rod is fixedly welded with knife far from limit sleeve one end Head.

Further, the trigger button is located at one end two sides inside rear cover and is welded with block.

Further, the rear cover inner wall is located at blade housing and is fixedly welded with baffle far from stirring pin side.

Further, the blade housing is connected to cutter head lid, the cutter head lid and knife far from fixing sleeve outside rear cover one end Head matches.

Further, described to stir pin and matched far from third reset spring one end with blade housing.

Compared with prior art, the utility model has the beneficial effects that

Cutter head lid is pulled out, first pressing trigger button, so that pin level is stirred in the slide block promotion of trigger button side It is mobile, pin is stirred at this time and no longer limits blade housing, therefore blade housing can be to moving inside rear cover, thus will when in use Cutter head, which exposes, to be easy to use, and is pressed trigger button when not in use and is connected to blade housing and stir inside pin, can limit The position of blade housing avoids the exposing that cutter head is excessive, avoids accidentally injuring.

Detailed description of the invention

Fig. 1 is the utility model schematic cross-sectional view；

Fig. 2 is structural schematic diagram at A in the utility model Fig. 1.

In Fig. 1-2: 1- limit sleeve；2- first back-moving spring；3- rear cover；4- connecting rod；5- blade housing；6- cutter head lid； 7- cutter head；8- third reset spring；9- stirs pin；10- trigger button；11- second back-moving spring；12- baffle；13- slide block.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of band knife puncture outfit, including rear cover 3, connection Bar 4, blade housing 5 and cutter head 7, the 3 top inner wall center of rear cover are fixedly welded with limit sleeve 1, and 3 inner wall of rear cover is located at Connecting rod 4 is fixedly welded with inside limit sleeve 1, the connecting rod 4 is located at 1 inside one end movable sleeve of limit sleeve and is connected to the first reset Spring 2,3 top inner wall of rear cover, which is located at 1 side fixed placement of limit sleeve, second back-moving spring 11, and described second resets bullet 11 other end internal activity of spring is plugged with trigger button 10, and the trigger button 10 is located at the fixation of 3 interior side face of rear cover and opens up There is a slide block 13, the rear cover 3, which is internally located at 10 side of trigger button and is slidably fitted with, stirs pin 9, and described to stir 9 one end of pin living Dynamic to be socketed with third reset spring 8,9 middle part of pin of stirring is matched with slide block 13, and the rear cover 3 is far from limit sleeve 1 one Side central movable is plugged with blade housing 5, and the connecting rod 4 is plugged on inside blade housing 5 far from 1 one end activity of limit sleeve； The connecting rod 4 is fixedly welded with cutter head 7 far from 1 one end of limit sleeve.

It is located at 3 inside one end two sides of rear cover by the trigger button 10 and is welded with block, bullet can be resetted convenient for second Spring 11 cooperates block to reset trigger button 10；It is located at blade housing 5 far from stirring pin 9 one by 3 inner wall of rear cover Side is fixedly welded with baffle 12, can prevent blade housing 5 from deflecting when moving up and down；It is remote by the blade housing 5 It is connected to cutter head lid 6 from fixing sleeve outside 3 one end of rear cover, the cutter head lid 6 is matched with cutter head 7, convenient for cutter head lid 6 to cutter head 7 It is protected, prevents cutter head 7 from polluting；It stirs pin 9 by described and is matched far from 8 one end of third reset spring with blade housing 5, It is fixed convenient for stirring pin 9 for blade housing 5.

Working principle: in use, cutter head lid 6 is pulled out, pressing trigger button 10 first, so that 10 side of trigger button The promotion of slide block 13 is stirred pin 9 and is moved horizontally, and stirs pin 9 at this time and no longer limits blade housing 5, therefore blade housing when in use 5 can be easy to use to moving inside rear cover 3 so that cutter head 7 be exposed, and press trigger button 10 when not in use and by blade Shell 5, which is connected to, to be stirred inside pin 9, and the position of blade housing 5 can be limited, and the exposing for avoiding cutter head 7 excessive avoids missing Wound.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of band knife puncture outfit, including rear cover (3), connecting rod (4), blade housing (5) and cutter head (7), it is characterised in that: institute It states rear cover (3) top inner wall center to be fixedly welded with limit sleeve (1), rear cover (3) inner wall is located at fixed inside limit sleeve (1) It being welded with connecting rod (4), the connecting rod (4) is located at the internal one end movable sleeve of limit sleeve (1) and is connected to first back-moving spring (2), Rear cover (3) top inner wall, which is located at limit sleeve (1) side fixed placement, to be had second back-moving spring (11), and described second resets bullet Spring (11) other end internal activity is plugged with trigger button (10), and the trigger button (10) is located at rear cover (3) interior side face Fixation offers slide block (13), and the rear cover (3), which is internally located at trigger button (10) side and is slidably fitted with, stirs pin (9), Pin (9) one end movable sleeve of stirring is connected to third reset spring (8), and described stir matches in the middle part of pin (9) with slide block (13) It closes, the rear cover (3) is plugged with blade housing (5) far from limit sleeve (1) side central movable, and the connecting rod (4) is far from limit It is internal that position set (1) one end activity is plugged on blade housing (5)；The connecting rod (4) is fixedly welded with far from limit sleeve (1) one end Cutter head (7).

2. a kind of band knife puncture outfit according to claim 1, it is characterised in that: the trigger button (10) is located at rear cover (3) internal one end two sides are welded with block.

3. a kind of band knife puncture outfit according to claim 1, it is characterised in that: rear cover (3) inner wall is located at outside blade Shell (5) is fixedly welded with baffle (12) far from stirring pin (9) side.

4. a kind of band knife puncture outfit according to claim 1, it is characterised in that: the blade housing (5) is far from rear cover (3) Fixing sleeve is connected to cutter head lid (6) outside one end, and the cutter head lid (6) matches with cutter head (7).

5. a kind of band knife puncture outfit according to claim 1, it is characterised in that: stir pin (9) are resetted far from third Spring (8) one end is matched with blade housing (5).