CN219185112U

CN219185112U - Auxiliary drawing device for high-capacity injector

Info

Publication number: CN219185112U
Application number: CN202221907784.2U
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Meng Liuguiying
Current assignee: Meng Liuguiying
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2023-06-16
Anticipated expiration: 2032-07-22

Abstract

The utility model discloses an auxiliary drawing device for a large-capacity syringe, which comprises a fixed seat, wherein a cylinder wall clamping groove is formed in the lower end of the fixed seat, the side wall of the syringe is propped against the cylinder wall clamping groove, a fixing strap is fixedly connected with the fixed seat, the fixing strap is arranged around the syringe, rack sliding grooves are formed in two sides of the upper end of the fixed seat, drawing racks are connected between the rack sliding grooves in a sliding manner, a syringe shifting fork is fixedly connected to the front side of the drawing racks, the syringe shifting fork is sleeved on a syringe pull rod, a rotating seat is fixedly connected to the center of the upper end of the fixed seat, two driving gears are rotationally connected between the rotating seats, the drawing racks are pushed to eject through meshing of the driving gears and the drawing racks, and then the pull rod of the syringe is drawn through the syringe shifting fork, so that the drawing operation of the syringe is completed. The device is simple to operate and convenient to use, has a small overall structure and a small weight, and is convenient for long-term operation of nursing staff.

Description

Auxiliary drawing device for high-capacity injector

Technical Field

The utility model belongs to the technical field of medical appliances, and particularly relates to an auxiliary drawing device of a high-capacity syringe.

Background

In clinic, syringes with different specifications are often required to be used, the larger the cross section of the syringe is, the larger the drawing force is required, for example, when the syringe is used for needle biopsy or liquid suction, the medical care worker can easily keep a vacuum state if the syringe with small specification is used for needle biopsy or liquid suction, and when the syringe with larger capacity is required to be used, the medical care worker often has difficulty in keeping a certain vacuum state in the syringe, and particularly, the syringe is required to keep the vacuum state stably and permanently during needle biopsy. In the operation process, when medical staff keeps vacuum by hand during needle biopsy, the hand is often painful, and the lasting stability is difficult to keep, so that the puncture needle is too deep or too shallow, and the risk of bleeding and even biopsy failure is increased easily.

In view of the fact that most clinical care workers are females, the general strength is small, the prior art proposes to assist in drawing the injector in an electric mode, but nursing cost is greatly increased, and meanwhile the injector is inconvenient to operate due to the weight of a motor and a transmission system. For this purpose, we propose a high-capacity syringe auxiliary drawing device.

Disclosure of Invention

The utility model aims to provide an auxiliary drawing device for a large-capacity syringe, which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an auxiliary drawing device of large capacity syringe, includes the fixing base, the section of thick bamboo wall draw-in groove has been seted up to the fixing base lower extreme, and syringe lateral wall offsets with section of thick bamboo wall draw-in groove, the fixedly connected with fixed bandage of fixing base, and fixed bandage encircles the injection tube setting, the upper end both sides of fixing base all are provided with the rack spout, and sliding connection has the pull rack between the rack spout, the front side fixedly connected with syringe shift fork of pull rack, and syringe shift fork cover is located on the syringe pull rod, fixing base upper end center fixedly connected with swivel mount, and rotate between the swivel mount and be connected with two drive gear, two drive gear all meshes with the up end of pull rack, two fixedly connected ratchet depression bar between the drive gear, the upper end of fixing base is close to the front side and is provided with the non-return latch.

Further preferably, the front end of the ratchet pressing rod is rotatably connected with a ratchet mechanism, two sides of the ratchet mechanism are provided with hexagonal protruding blocks, and two side driving gears are provided with hexagonal slots matched with the ratchet mechanism inwards towards the center of one side.

Further preferably, a reset baffle is fixedly connected to one side of the upper end of the fixing seat corresponding to the ratchet pressing rod, a reset spring piece is fixedly connected to the upper side of the reset baffle, one end of the reset spring piece, which is far away from the driving gear, is tilted, and a square sliding groove is formed in the bottom surface of the ratchet pressing rod corresponding to the reset spring piece.

Further preferably, the front end center of the non-return clamping tongue is fixedly connected with an elastic clamping piece, and the front end of the elastic clamping piece is bent downwards and clamped between convex teeth at the upper end of the drawing rack.

Further preferably, one end of the fixing strap is fixedly connected with the side wall of the fixing seat through a rivet, the opposite side of the fixing seat is fixedly connected with a strap fixing socket, and the other end of the fixing strap penetrates through the strap fixing socket to be fixed through a fastening screw.

Further preferably, an elastic rubber pad is arranged on one side of the clamping groove of the cylinder wall, and the fixing strap is made of elastic silica gel.

Further preferably, a rubber sleeve is sleeved on the outer wall of the ratchet wheel compression bar, and semicircular rubber bumps are arranged on two sides of the rubber sleeve.

Compared with the prior art, the auxiliary drawing device for the large-capacity injector has the following beneficial effects:

(1) The large-capacity syringe is clamped into the clamping groove close to the cylinder wall, the pull rod of the syringe is clamped into the syringe shifting fork, then the syringe is fixed through the fixing binding band, the ratchet pressing rod can drive the driving gear to rotate through the set pulling rack and the driving gear, the pulling rack is pushed to be ejected through the engagement of the driving gear and the pulling rack, the pulling rod of the syringe is pulled through the syringe shifting fork, the pulling operation of the syringe is completed, the pulling rack can be pulled through the elastic clamping column after the pulling rack is ejected through the set non-return clamping tongue, the pulling rack is prevented from being kept fixed, the vacuum in the syringe is kept, and needle biopsy and liquid extraction of the syringe are facilitated.

(2) Through setting up fixed bandage cooperation section of thick bamboo wall draw-in groove with the syringe joint fixed, section of thick bamboo wall draw-in groove one side is provided with elastic rubber pad, and fixed bandage is elastic silica gel material for this device can fix the syringe of different length and different diameters, has improved the application scope of this device greatly, convenient to popularize and use.

(3) Through the ratchet who sets up, ratchet's setting makes ratchet depression bar can one-way and drive gear linkage, presses the ratchet depression bar and can drive gear and rotate to the drive pull rack is ejecting, and the pull-up ratchet depression bar, the ratchet depression bar can be under ratchet's effect with drive gear independent rotation, the ratchet depression bar of being convenient for is to drive gear's continuous drive, the single hand operation of being convenient for realize the syringe push-and-pull, and operation labour saving and time saving more.

Drawings

FIG. 1 is a perspective view of the utility model at a front view angle;

FIG. 2 is a rear view perspective of the present utility model;

FIG. 3 is an exploded view of the structure of the present utility model;

fig. 4 is a rear view cross-sectional structural view of the present utility model.

In the figure: 1. a fixing seat; 2. drawing the rack; 3. a syringe fork; 4. a non-return latch; 5. rotating base; 6. a drive gear; 7. a ratchet wheel compression bar; 8. fixing the binding band; 9. resetting the baffle; 10. a rack chute; 11. a cylinder wall clamping groove; 12. a ratchet mechanism; 13. a reset spring piece; 14. a rivet; 15. the binding band fixes the socket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the utility model provides an auxiliary drawing device for a large-capacity syringe, which comprises a fixing seat 1, wherein a cylinder wall clamping groove 11 is formed at the lower end of the fixing seat 1, the side wall of the syringe is propped against the cylinder wall clamping groove 11, a fixing strap 8 is fixedly connected with the fixing seat 1, the fixing strap 8 is arranged around the syringe, rack sliding grooves 10 are formed at two sides of the upper end of the fixing seat 1, a drawing rack 2 is slidingly connected between the rack sliding grooves 10, a syringe shifting fork 3 is fixedly connected to the front side of the drawing rack 2, the syringe shifting fork 3 is sleeved on a syringe pull rod, a swivel seat 5 is fixedly connected to the center of the upper end of the fixing seat 1, two driving gears 6 are rotatably connected between the swivel seat 5 and meshed with the upper end face of the drawing rack 2, a ratchet wheel pressing rod 7 is fixedly connected between the two driving gears 6, and a non-return clamping tongue 4 is arranged at the upper end of the fixing seat 1 close to the front side.

In the embodiment, the front end of the ratchet pressing rod 7 is rotatably connected with a ratchet mechanism 12, two sides of the ratchet mechanism 12 are provided with hexagonal protruding blocks, and a hexagonal slot matched with the ratchet mechanism 12 is arranged in the center of the inward side of the driving gear 6 at two sides; through the ratchet mechanism 12 that sets up, the setting of ratchet mechanism 12 makes ratchet depression bar 7 can one-way and drive gear 6 linkage, presses ratchet depression bar 7 and can drive gear 6 and rotate to drive pull rack 2 is ejecting, and pull-up ratchet depression bar 7, ratchet depression bar 7 can independently rotate with drive gear 6 under the effect of ratchet mechanism 12, and the ratchet depression bar 7 of being convenient for is to drive gear 6's continuous drive, is convenient for realize the single hand operation of syringe push-and-pull, and the operation is labour saving and time saving more.

In the embodiment, a reset baffle 9 is fixedly connected to one side of the upper end of the fixing seat 1 corresponding to the ratchet pressure bar 7, a reset spring piece 13 is fixedly connected to the upper side of the reset baffle 9, one end of the reset spring piece 13 far away from the driving gear 6 is tilted, and a square chute is formed on the bottom surface of the ratchet pressure bar 7 corresponding to the reset spring piece 13; the reset spring piece 13 is fixed through the reset baffle 9, and the elasticity of the reset spring piece 13 can push the ratchet pressure rod 7 to lift, so that the ratchet pressure rod 7 is helped to reset automatically, and the continuous pressing and resetting operation of the ratchet pressure rod 7 are facilitated.

In the embodiment, the front end center of the non-return clamping tongue 4 is fixedly connected with an elastic card, and the front end of the elastic card is bent downwards and clamped between the convex teeth at the upper end of the drawing rack 2; the front end of the non-return clamping tongue 4 is clamped into the drawing rack 2, so that the drawing rack 2 is prevented from going backwards, meanwhile, the reverse pressure applied to the syringe shifting fork 3 by the syringe pull rod under the vacuum effect can not press the drawing rack 2 back into the fixing seat 1, and the syringe can conveniently provide supporting force for the injection pull rod when the syringe is required to be kept in a vacuum state.

In the embodiment, one end of the fixing strap 8 is fixedly connected with the side wall of the fixing seat 1 through a rivet 14, the strap fixing socket 15 is fixedly connected with the opposite side of the fixing seat 1, and the other end of the fixing strap 8 passes through the strap fixing socket 15 and is fixed through a fastening screw; through rivet 14 and bandage fixed socket 15 that set up, the fixed of fixed bandage 8 both ends and fixing base 1 of being convenient for, the setting of bandage fixed socket 15 makes fixed bandage 8 can be according to the syringe length adjustment of equidimension simultaneously, has improved the application scope of device.

In the embodiment, an elastic rubber pad is arranged at one side of the cylinder wall clamping groove 11, and the fixing strap 8 is made of elastic silica gel; through setting up fixed bandage 8 cooperation section of thick bamboo wall draw-in groove 11 with the syringe joint fixed, section of thick bamboo wall draw-in groove 11 one side is provided with elastic rubber pad, and fixed bandage 8 is elastic silica gel material for this device can fix the syringe of different length and different diameters, has improved the application scope of this device greatly, convenient to popularize and use.

In the embodiment, a rubber sleeve is sleeved on the outer wall of the ratchet wheel pressure lever 7, and semicircular rubber bumps are arranged on two sides of the rubber sleeve; the ratchet pressure lever 7 is more convenient to hold through the semicircular rubber bumps on the two sides, so that the comfort of the ratchet pressure lever 7 in use is improved.

The working principle and the using flow of the utility model are as follows: when the device is used, a large-capacity syringe is clamped into the clamping groove 11 close to the cylinder wall, so that a pull rod of the syringe is clamped into the syringe shifting fork 3, then the syringe is fixed through the fixing strap 8, the syringe fixed with the device can be held by one hand, when the syringe needs to be pulled, the ratchet pressure lever 7 is pressed by the retraction of a finger, the ratchet pressure lever 7 can drive the driving gear 6 to rotate, the pulling rack 2 is pushed to be ejected through the engagement of the driving gear 6 and the pulling rack 2, and the pull rod of the syringe is pulled through the syringe shifting fork 3, so that the pulling operation of the syringe is completed; through the non-return block tongue 4 that sets up, non-return block tongue 4 can be after pull rack 2 is ejecting through elasticity card post pull rack 2, avoids pull rack 2 to keep fixed to keep the vacuum in the syringe, the needle biopsy of syringe and drawing liquid of being convenient for.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a supplementary pull device of large capacity syringe, includes fixing base (1), its characterized in that: the barrel wall draw-in groove (11) has been seted up to fixing base (1) lower extreme, and syringe lateral wall offsets with barrel wall draw-in groove (11), the fixedly connected with fixed bandage (8) of fixing base (1), and fixed bandage (8) encircle the injection tube setting, the upper end both sides of fixing base (1) all are provided with rack spout (10), and sliding connection has pull rack (2) between rack spout (10), the front side fixedly connected with syringe shift fork (3) of pull rack (2), and syringe shift fork (3) cover is located on the syringe pull rod, fixing base (1) upper end center fixedly connected with swivel mount (5), and rotate between swivel mount (5) and be connected with two drive gear (6), two drive gear (6) all mesh with the up end of pull rack (2), two fixedly connected with ratchet (7) between drive gear (6), the upper end of fixing base (1) is close to the front side and is provided with and ends that block tongue (4).

2. The high volume syringe assist pull apparatus of claim 1 wherein: the front end of the ratchet pressing rod (7) is rotationally connected with a ratchet mechanism (12), hexagonal protruding blocks are arranged on two sides of the ratchet mechanism (12), and a hexagonal slot matched with the ratchet mechanism (12) is formed in the center of the inner side of the driving gear (6) on two sides.

3. The high volume syringe assist pull apparatus of claim 1 wherein: the upper end of fixing base (1) corresponds ratchet depression bar (7) one side fixedly connected with reset baffle (9), and the top fixedly connected with reset spring piece (13) of reset baffle (9), the one end perk that drive gear (6) was kept away from to reset spring piece (13), and square spout has been seted up corresponding to reset spring piece (13) to the bottom surface of ratchet depression bar (7).

4. The high volume syringe assist pull apparatus of claim 1 wherein: the front end center of the non-return clamping tongue (4) is fixedly connected with an elastic card, and the front end of the elastic card is downwards bent and clamped between convex teeth at the upper end of the drawing rack (2).

5. The high volume syringe assist pull apparatus of claim 1 wherein: one end of the fixing strap (8) is fixedly connected with the side wall of the fixing seat (1) through a rivet (14), a strap fixing socket (15) is fixedly connected to the opposite side of the fixing seat (1), and the other end of the fixing strap (8) penetrates through the strap fixing socket (15) to be fixed through a fastening screw.

6. The high volume syringe assist pull apparatus of claim 1 wherein: an elastic rubber pad is arranged on one side of the cylinder wall clamping groove (11), and the fixing binding band (8) is made of elastic silica gel.

7. The high volume syringe assist pull apparatus of claim 1 wherein: the outer wall of the ratchet wheel compression bar (7) is sleeved with a rubber sleeve, and semicircular rubber bumps are arranged on two sides of the rubber sleeve.