CN218833302U

CN218833302U - Roller quantitative injection device

Info

Publication number: CN218833302U
Application number: CN202223065335.0U
Authority: CN
Inventors: 马旭东; 王久存; 夏晶晶; 陆剑文; 孟德妍; 杨九歌; 谢楠; 彭思明; 舒青海; 刘婷; 彭义茭; 景栋
Original assignee: Shanghai Taorui Biotechnology Co ltd
Current assignee: Shanghai Taorui Biotechnology Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-04-11
Anticipated expiration: 2032-11-18

Abstract

The utility model discloses a gyro wheel ration injection device, including empty section of thick bamboo and casing, the inner wall cover of empty section of thick bamboo is equipped with the piston rod, the left side of casing is provided with locking Assembly, the inside of casing is provided with the injection subassembly of being connected with the piston rod, injection subassembly includes pivot, gear and rack, the both ends of pivot are connected with the front and the back rotation of casing respectively, the gear is equipped with two, the equal fixed cover of inner wall of two gears is established at the pivot and is located the lateral wall of casing, the top tooth of rack and the outer wall tooth meshing of two gears, the left side of rack and the right side fixed connection of piston rod, the device passes through the injection subassembly and drives the rack removal through gear revolve's form, thereby it removes to drive the piston rod, the stroke of piston rod can come accurate control according to gear revolve's promotion dynamics, when avoiding the great liquid of pull viscidity, the stroke of difficult control piston rod pull, improve the precision of using, the in-service use of being convenient for.

Description

Roller quantitative injection device

Technical Field

The utility model relates to an injector technical field especially relates to a gyro wheel ration injection device.

Background

Syringes are a common medical device, and as early as the 15 th century, kathler, italian, proposed the principle of syringes, primarily for gas or liquid extraction or injection with a needle, and syringes that can also be used for medical devices, containers, and scientific instruments such as those used in chromatography, to inject through rubber septa.

The syringes have wide application range, wherein some syringes are used for quantitative and accurate feedback and injection of biological scaffold materials such as fat, hyaluronic acid, collagen and the like collected in liposuction surgery and are also used for other liquid medicines or gel materials needing quantitative injection, and are suitable for scenes such as soft tissue injury filling repair, medical cosmetology and the like, but the current injection mode of the syringes adopts gun type injection, the trigger stroke is too large, excessive injection is easy, quantitative injection is not easy to realize, especially liquid with certain viscosity or larger viscosity exists, the stroke of the syringes is more difficult to control, and certain defects exist, so that the problems are solved; a roller dosing injection device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a roller quantitative injection device, which comprises an empty cylinder and a shell, wherein the inner wall of the empty cylinder is sleeved with a piston rod, the outer wall of the empty cylinder is fixedly sleeved with a clamping plate, the left side of the shell is provided with a locking component, and the interior of the shell is provided with an injection component connected with the piston rod;

the injection assembly comprises a rotating shaft, gears and a rack, the two ends of the rotating shaft are respectively connected with the front side and the back side of the shell in a rotating mode, the two gears are arranged on the front side and the back side of the shell, the inner walls of the two gears are fixedly sleeved on the side wall of the rotating shaft located in the shell, the top teeth of the rack are meshed with the outer wall teeth of the two gears, the left side of the rack is fixedly connected with the right side of the piston rod, and the bottom of the rack is connected with the inner wall of the bottom of the shell in a sliding mode.

Preferably, the inner wall of the bottom of the shell is fixedly connected with a sliding block, the bottom of the rack is provided with a sliding groove, and the sliding block is placed in the sliding groove.

Preferably, locking Assembly includes first connecting block, the second connecting block, the stopper, fixture block and draw-in groove, the right side of first connecting block and the left side fixed connection of casing, the right side of stopper and the left side fixed connection of second connecting block, the stopper, the lateral wall at the piston rod is all established to first connecting block and second connecting block cover, fixture block and draw-in groove all are equipped with two, one side that two fixture blocks are close to each other respectively with the front and the back fixed connection of second connecting block, the front and the back at first connecting block are seted up respectively to two draw-in grooves, draw-in groove and fixture block looks adaptation, one side that first connecting block is close to the second connecting block is seted up the first recess that the cover established the second connecting block.

Preferably, the second recess has been seted up to one side that first connecting block was kept away from to the stopper, and logical groove has all been seted up at the front and the back of stopper, leads to groove and second recess intercommunication, leads to the inner wall of groove and the inner wall of second recess all with the lateral wall looks adaptation of cardboard.

Preferably, the top fixedly connected with sign block of casing, the fixed cover in one side that the lateral wall of pivot just is located two gears and is close to each other is equipped with the disc, and the outer wall of disc is fixed and is equipped with the scale mark that annular array arranged.

Preferably, the right side of the shell is fixedly connected with a connecting pipe, and the outer wall of the connecting pipe is in threaded connection with a handle.

Preferably, the top of the shell is in an open design, and the two sides of the shell are provided with first through holes.

Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has:

1. the device passes through locking Assembly to fix an empty section of thick bamboo, is convenient for follow-up through injection assembly pull piston rod, and the operation of being convenient for, and fixed through fixture block and draw-in groove joint, convenient to detach makes things convenient for regularly to clear up.

2. The device passes through the injection subassembly and drives the rack removal through gear revolve's form to drive the piston rod and remove, the stroke of piston rod can come accurate control according to gear revolve's promotion dynamics, when avoiding the great liquid of pull viscidity, the difficult stroke of controlling the piston rod pull improves the precision of using, the in-service use of being convenient for.

3. The device is through making disc and gear synchronous rotation to align the sign through scale mark and identification block, thereby realize the accurate pull of ration.

4. The device small in size, handheld mode accord with ergonomic design, and four fingers hold the handle, can exert oneself the pull piston rod when rotating the gear with the thumb, exert oneself when more doing benefit to clinician's operation, and exert oneself the dynamics and can adjust through thumb rotation gear's strength, can find the feel that is fit for the pull more to the different biomaterials of injection or taking out.

Drawings

Fig. 1 is a schematic view of the overall structure of a roller quantitative injection device according to the present invention.

Fig. 2 is a schematic view of the overall explosion structure of the roller quantitative injection device according to the present invention.

Fig. 3 is a schematic view of a sectional structure of a housing of the roller quantitative injection device according to the present invention.

Fig. 4 is an enlarged schematic structural view of a in fig. 2 of a roller quantitative injection device according to the present invention.

Reference numerals; 1. an empty cartridge; 2. clamping a plate; 3. a housing; 4. a handle; 5. an injection assembly; 501. a gear; 502. a rotating shaft; 503. a rack; 6. a locking assembly; 601. a limiting block; 602. a second connecting block; 603. a first connection block; 604. a card slot; 605. a clamping block; 7. a piston rod; 8. a first through hole; 9. an identification block; 10. a disc; 11. a connecting pipe; 12. a chute; 13. a slider; 14. scale lines; 15. a through groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1 and 2, the utility model provides a gyro wheel ration injection device, including empty section of thick bamboo 1 and casing 3, a serial communication port, the inner wall cover of empty section of thick bamboo 1 is equipped with piston rod 7, the fixed cover of outer wall of empty section of thick bamboo 1 is equipped with cardboard 2, the left side of casing 3 is provided with locking Assembly 6, fix empty section of thick bamboo 1 through locking Assembly 6, be convenient for follow-up injection assembly 5 pull piston rod 7 that passes through, convenient operation, and it is fixed through fixture block 605 and draw-in groove 604 joint, convenient dismantlement, convenient periodic cleaning, the inside of casing 3 is provided with the injection assembly 5 of being connected with piston rod 7, injection assembly 5 drives rack 503 through gear 501 pivoted form and removes, thereby it removes to drive piston rod 7, the stroke of piston rod 7 can come accurate control according to gear 501 pivoted promotion dynamics, when avoiding the great liquid of pull viscidity, the stroke of the difficult control piston rod 7 pull, the precision of use is improved, and practical use is convenient for.

Further, the right side fixedly connected with connecting pipe 11 of casing 3, the outer wall threaded connection of connecting pipe 11 has handle 4, it holds to be convenient for the staff through handle 4, and is convenient for use, and the inside of handle 4 is equipped with the cavity, the rack 503 of being convenient for removes, through threaded connection handle 4, convenient to detach, the top of casing 3 is the design of opening form, the turning gear 501 of being convenient for, and conveniently observe scale mark 14 and identification block 9, first through-hole 8 has all been seted up to casing 3's both sides, be convenient for rack 503 and piston rod 7 to remove through first through-hole 8.

As shown in fig. 2, 3 and 4, the injection assembly 5 includes a rotating shaft 502, two gears 501 and a rack 503, two ends of the rotating shaft 502 are respectively rotatably connected with the front side and the back side of the housing 3, two gears 501 are provided, inner walls of the two gears 501 are both fixedly sleeved on the side wall of the rotating shaft 502 located in the housing 3, top teeth of the rack 503 are engaged with outer wall teeth of the two gears 501, the left side of the rack 503 is fixedly connected with the right side of the piston rod 7, the bottom of the rack 503 is slidably connected with the inner wall of the bottom of the housing 3, a worker rotates the gear 501 through a thumb, the gear 501 rotates along the rotating shaft 502 and simultaneously drives the rack 503 to move along the sliding block 13 through the sliding groove 12, the rack 503 moves and simultaneously drives the piston rod 7 to move, so as to draw and pull the piston rod 7.

Further, the inner wall of the bottom of the housing 3 is fixedly connected with a sliding block 13, the bottom of the rack 503 is provided with a sliding groove 12, the sliding block 13 is placed in the sliding groove 12, and the rack 503 moves on the side wall of the sliding block 13 through the sliding groove 12, so that the moving stability of the rack 503 is improved.

As shown in fig. 2, the locking assembly 6 includes a first connecting block 603, a second connecting block 602, a limiting block 601, a fixture block 605 and a clamping groove 604, the right side of the first connecting block 603 is fixedly connected with the left side of the housing 3, the right side of the limiting block 601 is fixedly connected with the left side of the second connecting block 602, the limiting block 601, the first connecting block 603 and the second connecting block 602 are all sleeved on the side wall of the piston rod 7, two fixture blocks 605 and two clamping grooves 604 are provided, one side of the two fixture blocks 605 close to each other is fixedly connected with the front side and the back side of the second connecting block 602, two clamping grooves 604 are provided on the front side and the back side of the first connecting block 603, the clamping groove 604 and the fixture block 605 are matched, a first groove of the second connecting block 602 is provided on one side of the first connecting block 603 close to the second connecting block 602, the fixture block 605 is clamped in the clamping groove 605 first, so that the second connecting block 602 is fixed on the first connecting block 603, that the limiting block 601 is fixed, then the clamping plate 2 is sleeved in a second groove provided on the limiting plate, the clamping plate 2 is rotated, so that the clamping plate 2 is clamped in the through groove 15, thereby locking the hollow cylinder 1 is performed immediately.

Further, the second recess has been seted up to one side that first connecting block 603 was kept away from to stopper 601, logical groove 15 has all been seted up to stopper 601's front and the back, lead to groove 15 and second recess intercommunication, the inner wall that leads to groove 15 and the inner wall of second recess all with the lateral wall looks adaptation of cardboard 2, be convenient for place cardboard 2 through the second recess, and through rotating cardboard 2 and empty 1, make cardboard 2 rotate to leading to the inslot 15, thereby lock cardboard 2 and empty 1.

As shown in fig. 2 and 3, the top fixedly connected with marking block 9 of casing 3, the fixed cover in one side that the lateral wall of pivot 502 just is located two gears 501 and is close to each other is equipped with disc 10, and the fixed scale mark 14 that is equipped with annular array and arranges of outer wall of disc 10 is through making disc 10 and gear 501 synchronous rotation to align the sign through scale mark 14 and marking block 9, thereby realize the accurate pull of ration.

The utility model discloses in, when using, fix an empty section of thick bamboo 1 through locking Assembly 6, be convenient for follow-up through injection assembly 5 pull piston rod 7, be convenient for operate, and it is fixed through fixture block 605 and draw-in groove 604 joint, convenient to detach, convenient periodic cleaning, injection assembly 5 drives rack 503 through gear 501 pivoted form and removes, thereby it removes to drive piston rod 7, piston rod 7's stroke can come accurate control according to gear 501 pivoted promotion dynamics, when avoiding the great liquid of pull viscidity, the stroke of the difficult control piston rod 7 pull, improve the precision of using, the in-service use of being convenient for, and rotate with gear 501 synchronization through making disc 10, and align the sign through scale mark 14 and identification block 9, thereby realize the accurate pull of ration, the device small in size, the handheld mode accords with ergonomic design, four indicate to hold handle 4, can exert oneself pull piston rod 7 when rotating gear 501 with thumb rotation gear, exert oneself when more doing benefit to the clinician's operation, and exert oneself the dynamics can be adjusted through thumb rotation gear 501's strength, can find the feel that is fit for the pull to the injection or the different biomaterials of taking out.

When locking subassembly 6 is operated specifically, block 605 is blocked in draw-in groove 604 earlier, thereby second connecting block 602 is fixed on first connecting block 603, fix stopper 601 promptly, then establish the second recess that the limiting plate was seted up with cardboard 2 cover, rotate cardboard 2 immediately, make cardboard 2 card in logical groove 15, thereby lock empty section of thick bamboo 1, when injection subassembly 5 is operated specifically, the staff passes through thumb rotation gear 501, gear 501 drives rack 503 and passes through spout 12 and remove along slider 13 along pivot 502 pivoted simultaneously, rack 503 removes and drives piston rod 7 simultaneously, thereby make piston rod 7 carry out the pull operation.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such changes and modifications that fall within the scope and bounds of the appended claims, or equivalents of such scope and bounds.

Claims

1. A roller quantitative injection device comprises an empty cylinder (1) and a shell (3), and is characterized in that a piston rod (7) is sleeved on the inner wall of the empty cylinder (1), a clamping plate (2) is fixedly sleeved on the outer wall of the empty cylinder (1), a locking assembly (6) is arranged on the left side of the shell (3), and an injection assembly (5) connected with the piston rod (7) is arranged inside the shell (3);

injection subassembly (5) are including pivot (502), gear (501) and rack (503), the both ends of pivot (502) are connected with the front and the back rotation of casing (3) respectively, gear (501) are equipped with two, the inner wall of two gears (501) is all fixed the cover and is established the lateral wall that is located casing (3) in pivot (502), the top tooth of rack (503) and the outer wall tooth meshing of two gears (501), the left side of rack (503) and the right side fixed connection of piston rod (7), the bottom of rack (503) and the bottom inner wall sliding connection of casing (3).

2. A roller dosing device as claimed in claim 1, characterised in that a slider (13) is fixedly connected to the inner wall of the bottom of the housing (3), a sliding slot (12) is formed in the bottom of the rack (503), and the slider (13) is placed in the sliding slot (12).

3. The roller quantitative injection device according to claim 1, wherein the locking assembly (6) comprises a first connecting block (603), a second connecting block (602), a limiting block (601), a clamping block (605) and a clamping groove (604), the right side of the first connecting block (603) is fixedly connected with the left side of the housing (3), the right side of the limiting block (601) is fixedly connected with the left side of the second connecting block (602), the limiting block (601), the first connecting block (603) and the second connecting block (602) are all sleeved on the side wall of the piston rod (7), the clamping blocks (605) and the clamping groove (604) are both provided with two parts, one side of the two clamping blocks (605), which are close to each other, is fixedly connected with the front side and the back side of the second connecting block (602), the two clamping grooves (604) are respectively arranged on the front side and the back side of the first connecting block (603), the clamping groove (604) is matched with the clamping block (605), and one side of the first connecting block (603), which is close to the second connecting block (602), is provided with a first groove for sleeving the second connecting block (602).

4. A roller quantitative injection device according to claim 3, wherein a second groove is formed in one side of the limiting block (601) far away from the first connecting block (603), through grooves (15) are formed in the front and back of the limiting block (601), the through grooves (15) are communicated with the second groove, and the inner walls of the through grooves (15) and the inner walls of the second groove are matched with the side walls of the clamping plate (2).

5. A roller dosing injection device as claimed in claim 1, characterised in that the top of the housing (3) is fixedly connected with an identification block (9), a disc (10) is fixedly sleeved on the side wall of the rotating shaft (502) and on the side where the two gears (501) are close to each other, and the outer wall of the disc (10) is fixedly provided with scale marks (14) arranged in an annular array.

6. A roller dosing device as claimed in claim 1, characterised in that a connecting tube (11) is fixedly connected to the right side of the housing (3), and a handle (4) is screwed to the outer wall of the connecting tube (11).

7. A roller dosing device as claimed in claim 1, characterised in that the top of the housing (3) is open-ended, and both sides of the housing (3) are provided with first through holes (8).