CN207477758U - Injection device - Google Patents

Abstract

The utility model discloses a kind of injection device, wherein the injection device includes mounting bracket, at least one flexible axle set on the mounting bracket and at least one actuator, is rotatably connected in the injection head of the mounting bracket and at least one push-rod assembly in the injection head, described flexible axle one end connects the actuator, the other end penetrates the connection push-rod assembly in the injection head, the actuator drives the rotating soft axle, when being moved back and forth with the push rod for driving push-rod assembly, the injection head is rotatable.It can be rotated during the injection device injection of the utility model, it is easy to use.

Description

Injection device

Technical field

The utility model is related to the field of medical instrument technology, more particularly to a kind of injection device.

Background technology

The kind of drive of machine is driven generally using driving members such as gear set, belt, chains when by an actuator at present During dynamic driving member, driving member is only capable of the rotation or movement that drive the part of output terminal single, prevents the part of output terminal from simultaneously Rotation and mobile, causes transmission to have limitation, such as the injection head in injection device, when into during automatic injection, injection head cannot It arbitrarily adjusts the angle, causes inconvenient for use.

Utility model content

The main purpose of the utility model is to provide a kind of injection device, it is intended to ensure that injection head can be revolved during injection Turn, it is easy to use.

To achieve the above object, the utility model proposes a kind of injection device, which includes mounting bracket, set on institute State mounting bracket at least one flexible axle and at least one actuator, be rotatably connected in the mounting bracket injection head and be set on At least one push-rod assembly in the injection head, described flexible axle one end connect the actuator, and the other end penetrates the injection The connection push-rod assembly in head, the actuator are driven the rotating soft axle, are moved back and forth with the push rod for driving push-rod assembly When, the injection head is rotatable.

Preferably, the mounting bracket includes pedestal and is fixedly arranged on the connecting tube of the pedestal, the rotatable company of injection head It is connected to the one end of the connecting tube far from the pedestal.

Preferably, the flexible axle is partially accommodated in connecting tube, and the actuator is placed in the pedestal and with the one of flexible axle End connection, the one end of the flexible axle far from the actuator is contained in the injection head..

Preferably, which further includes at least one shaft coupling, and the both ends of the shaft coupling connect the drive respectively The shaft of moving part and the flexible axle.

Preferably, which further includes two fixed seats with accommodating cavity, and two fixed seats are respectively placed in In the pedestal and the injection head, the fixed seat being placed in the pedestal is fixedly arranged on the actuator, the shaft coupling and institute The shaft for stating actuator is placed in the corresponding accommodating cavity.

Preferably, which further includes two flexible shaft protectings set on the flexible axle both ends, and each flexible axle is placed on one Accommodating cavity, the flexible axle is partially accommodated in the accommodating cavity, and is connect with actuator.

Preferably, the push-rod assembly further includes screw, and the push rod is slidably connected to the screw, and the injection device is also At least one gear including connecting the screw, the end that the flexible axle is located in the injection head connect the gear, institute When stating gear and driving screw linkage, the push rod moves back and forth in the axis direction of the screw.

Preferably, the connecting tube and the injection head are respectively equipped with a holding section and a holding section, and the holding section holds It is placed in the holding section.

Preferably, the flexible axle is two, and the actuator is two.

Preferably, the flexible axle is steel wire rope.

Flexible axle one end connection actuator of technical solutions of the utility model, the other end penetrate connection push rod group in injection head Part, actuator driving rotating soft axle, when being moved back and forth with the push rod for driving push-rod assembly, while rotatable injection head, it is protected with this It can be rotated during card injection, it is easy to use.

Description of the drawings

It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, other attached drawings can also be obtained according to the structure shown in these attached drawings.

Fig. 1 is the cross-sectional view of one embodiment of the utility model injection device；

Fig. 2 is the enlarged structure schematic diagram at A in Fig. 1；

Fig. 3 is the internal structure schematic diagram of the injection head of Fig. 1 injection devices.

Drawing reference numeral explanation：

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that described embodiment is only the part of the embodiment rather than whole of the utility model Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise Lower all other embodiments obtained, shall fall within the protection scope of the present invention.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment It is only used for explaining relative position relation, motion conditions under a certain particular pose (as shown in drawings) between each component etc., such as When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.

In the utility model unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason Solution, for example, " fixation " can be fixedly connected or be detachably connected or integrally；It can be mechanical connection, also may be used Be electrical connection；It can be directly connected, can also be indirectly connected by intermediary, can be the connection inside two elements Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with Concrete meaning of the above-mentioned term in the utility model is understood as the case may be.

In addition, it and cannot be managed in the utility model such as relating to the description of " first ", " second " etc. is only used for description purpose It solves to indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Define as a result, " the One ", at least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the skill between each embodiment Art scheme can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when technical solution It will be understood that the combination of this technical solution is not present with reference to there is conflicting or can not realize when, also not in the utility model It is required that protection domain within.

The utility model proposes a kind of injection devices.

Referring to figs. 1 to Fig. 3, in one embodiment of the utility model, which includes mounting bracket 20, set on mounting bracket 20 at least one flexible axle 10 and at least one actuator 30 are rotatably connected in the injection head 40 of mounting bracket 20 and set on note At least one push-rod assembly 50 in first 40,10 one end of flexible axle connection actuator 30 are penetrated, the other end is penetrated in injection head 40 and connected Push-rod assembly 50, actuator driving flexible axle 10 rotate, and when being moved back and forth with the push rod 51 for driving push-rod assembly 50, injection head 40 can Rotation.

Above-mentioned actuator 30 is preferably motor, and flexible axle 10 is preferably steel wire rope.Progress is moved back and forth by push rod 51 Piston motion, the wherein injection device further include the injection tube being connect with injection head 40, and injecting fluid is placed in injection tube, is pushed away The part that bar 51 is revealed in injection head 40 can move in injection tube, can automatic sucking injecting fluid and by the injection in injection tube Liquid automatically injects away.

Preferably, it one is embodied as, push-rod assembly 50 further includes screw 52, and push rod 51 is slidably connected to screw 52, the injection Device further includes at least one gear 90 of connection wire rod 52, and flexible axle 10 is located at the end connection gear 90 in injection head 40, tooth When wheel 90 drives the linkage of screw 52, push rod 51 moves back and forth in the axis direction of screw 52.Wherein actuator 30 drives flexible axle 10 Rotation, 10 one end of flexible axle and the center axis connection of a gear 90, make the gear 90 link with flexible axle 10.The gear 90 can For one or more, in order to adjust the movement speed of push rod 51, the tooth of gear 90 is engaged with screw 52 drives screw 52 to rotate, When actuator 30 carry out rotating when, the push rod 51 being slidably connected on screw 52 can move back and forth, with this realize absorption and Injecting fluid.

Injection head 40 therein can be slidably connected by the modes such as buckle, screw thread and mounting bracket 20, preferably injection head 40 by being adjusted manually.When push rod 51 move carry out injecting fluid when, injection head 40 can also as needed with mounting bracket 20 Opposite rotation is carried out, in order to which injection head 40 is adjusted at any time, the injection device is more convenient to use.Further, flexible axle 10 be two, and actuator 30 is two.Two actuators 30 can be run simultaneously, and with two push rods 51 of synchronous drive move back It is dynamic, to enhance the stability that the injection device uses.

10 one end of flexible axle connection actuator 30 of technical solutions of the utility model, the other end penetrate connection in injection head 40 and push away Bar assembly 50, actuator 30 drives flexible axle 10 to rotate, when being moved back and forth with the push rod 51 for driving push-rod assembly 50, and meanwhile it is rotatable Injection head 40 ensures to be rotated during injection with this, easy to use.

With reference to Fig. 2, it is preferable that mounting bracket 20 includes pedestal 21 and is fixedly arranged on the connecting tube 22 of pedestal 21, and injection head 40 can It is rotatably connected in the one end of connecting tube 22 far from pedestal 21.

Above-mentioned connecting tube 22 can be connect by modes such as bolt, screw thread or buckles with pedestal 21, and an embodiment is connection Pipe 22 can turn down, and further convenient for adjusting the injection device, the injection device be made to use more flexible convenience.Preferably, connecting tube 22 and injection head 40 be respectively equipped with a holding section 221 and a holding section 41, holding section 221 is placed in holding section 41.Pass through clamping Portion 221 is placed in holding section 41, makes the assembling of injection head 40 and mounting bracket 20 and dismounting more convenient and quicker, in holding section 41 and card Sliding mats or locating piece can be also equipped with by holding at the abutting in portion 221, can enhance the stability of the rotation of injection head 40 by sliding mats, be led to Crossing locating piece can be such that injection head 40 is rotated in certain angle, enhance stability and the safety of the injection device.

Preferably, flexible axle 10 is partially accommodated in connecting tube 22, actuator 30 be placed in pedestal 21 and with one end of flexible axle 10 Connection, the one end of flexible axle 10 far from actuator 30 is contained in injection head 40.

Above-mentioned connecting tube 22 is a siphunculus, since flexible axle 10 is at work rotation status, is held by 10 part of flexible axle Connecting tube 22 is contained in, to improve the safety that the injection device uses, it is preferable that flexible axle 10 is placed in the length in connecting tube 22 Slightly larger than connecting tube 22, in order to which flexible axle 10 connects and prevents flexible axle 10 from winding.

Preferably, which further includes at least one shaft coupling 60, and the both ends of shaft coupling 60 connect actuator respectively 30 shaft and flexible axle 10.

Wherein the end of flexible axle 10 can be equipped with link block, and flexible axle 10 can be connect by link block with shaft coupling 60, make flexible axle 10 are not easily disconnected from shaft coupling 60 with the connection more convenient and quicker of shaft coupling 60, flexible axle 10, improve the stability that flexible axle 10 is driven.

With reference to Fig. 1, further, which further includes two fixed seats 70 with accommodating cavity 71, two fixations Seat 70 is respectively placed in pedestal 21 and injection head 40, the 70 fixed actuator 30 of fixed seat being placed in pedestal 21,60 He of shaft coupling The shaft of actuator 30 is placed in corresponding accommodating cavity 71.

Two above-mentioned fixed seats 70 are fixedly arranged on the inner wall of pedestal 21 and injection head 40 respectively, and one end of fixed seat 70 can lead to It crosses the modes such as bolt, buckle and carries out affixed, the other end for being placed in the fixed seat 70 in pedestal 21 can be by bolt and actuator 30 Outer wall connection, make 30 stable connection of actuator.Shaft coupling 60 therein can be fastened in the accommodating cavity 71 of fixed seat 70, so as to It is installed in shaft coupling 60.

Referring to Figures 1 and 2, it is preferable that the injection device further includes two flexible shaft protectings 80 set on 10 both ends of flexible axle, each Flexible shaft protecting 80 is placed in an accommodating cavity 71, and flexible axle 10 is partially accommodated in accommodating cavity 71, and is connect with actuator 30.

Two above-mentioned flexible shaft protectings 80 can be sheathed on the both ends of flexible axle 10 respectively, and one end of flexible axle 10 stretches out in flexible shaft protecting 80 Part connect with shaft coupling 60, flexible shaft protecting 80 can be fastened in accommodating cavity 71, and is rotated jointly with flexible axle 10, make flexible axle 10 not Easily it is detached from actuator 30, the stability that enhancing flexible axle 10 is connect with actuator 30.

The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention, Under every utility model in the utility model is conceived, equivalent structure made based on the specification and figures of the utility model Transformation or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (10)

1. a kind of injection device, which is characterized in that including mounting bracket, set at least one flexible axle of the mounting bracket and at least one A actuator is rotatably connected in the injection head of the mounting bracket and at least one push-rod assembly in the injection head, Described flexible axle one end connects the actuator, and the other end penetrates the connection push-rod assembly, the actuator in the injection head The rotating soft axle is driven, when moving back and forth with the push rod for driving push-rod assembly, the injection head is rotatable.

2. injection device as described in claim 1, which is characterized in that the mounting bracket includes pedestal and is fixedly arranged on the pedestal Connecting tube, the injection head is rotatably connected in the one end of the connecting tube far from the pedestal.

3. injection device as claimed in claim 2, which is characterized in that the flexible axle is partially accommodated in connecting tube, the driving Part is placed in the pedestal and is connect with one end of flexible axle, and the one end of the flexible axle far from the actuator is contained in the injection Head.

4. injection device as claimed in claim 3, which is characterized in that the injection device further includes at least one shaft coupling, institute The both ends for stating shaft coupling connect the shaft of the actuator and the flexible axle respectively.

5. injection device as claimed in claim 4, which is characterized in that the injection device, which further includes two, has consolidating for accommodating cavity Reservation, two fixed seats are respectively placed in the pedestal and the injection head, and the fixed seat being placed in the pedestal is fixed The shaft of the actuator, the shaft coupling and the actuator is placed in the corresponding accommodating cavity.

6. injection device as claimed in claim 5, which is characterized in that the injection device is further included set on the flexible axle both ends Two flexible shaft protectings, each flexible axle are placed on an accommodating cavity, and the flexible axle is partially accommodated in the accommodating cavity, and connects with actuator It connects.

7. the injection device as described in claim 1-6 is any, which is characterized in that the push-rod assembly further includes screw, described Push rod is slidably connected to the screw, which further includes at least one gear for connecting the screw, the flexible axle position The gear is connected in the end in the injection head, when the gear drives the screw linkage, the push rod is in the silk The axis direction of bar moves back and forth.

8. the injection device as described in claim 2-6 is any, which is characterized in that the connecting tube and the injection head are set respectively There are a holding section and a holding section, the holding section is placed in the holding section.

9. the injection device as described in claim 1-6 is any, which is characterized in that the flexible axle is two, and the actuator is Two.

10. the injection device as described in claim 1-6 is any, which is characterized in that the flexible axle is steel wire rope.