阅读说明：本技术 一种能够快速更换插头减轻劳动强度的注射装置 (Injection device capable of quickly replacing plug and reducing labor intensity ) 是由 赵林燕 于 2019-12-02 设计创作，主要内容包括：本发明涉及兽医医学技术领域,且公开了一种能够快速更换插头减轻劳动强度的注射装置,包括握把,所述握把的左侧固定连接有注射筒,所述注射筒的顶部固定连接有输液箱,所述注射筒的左侧固定连接有乳头,所述乳头的左侧安装有针栓,所述输液箱的右侧固定连接有连接管,所述注射筒的内部滑动连接有活塞,所述活塞的右侧固定连接有活塞杆,在注射完成后,通过手部按压复位弹簧。压杆向右移动接触到压板并带动压板和滑杆向右移动,滑杆向右移动使活动杆逆时针转动,在杠杆原理的作用下,使活动杆顶部带动滑套向左移动,滑套向左移动使针栓向左移动并脱离乳头,通过杠杆原理将针栓拔掉,使兽医在大批量注射时能够快速的更换针头。(The invention relates to the technical field of veterinary medicine, and discloses an injection device capable of quickly replacing a plug and reducing labor intensity, which comprises a handle, wherein an injection tube is fixedly connected to the left side of the handle, an infusion box is fixedly connected to the top of the injection tube, a nipple is fixedly connected to the left side of the injection tube, a needle bolt is installed on the left side of the nipple, a connecting tube is fixedly connected to the right side of the infusion box, a piston is slidably connected to the inside of the injection tube, a piston rod is fixedly connected to the right side of the piston, and a reset spring is pressed by a hand after injection is completed. The pressure bar moves to the right to be in contact with the pressure plate and drive the pressure plate and the slide bar to move to the right, the slide bar moves to the right to enable the movable bar to rotate anticlockwise, the top of the movable bar drives the sliding sleeve to move leftwards under the action of a lever principle, the sliding sleeve moves leftwards to enable the pintle to move leftwards and separate from the nipple, and the pintle is pulled out through the lever principle, so that a veterinarian can quickly replace the pinhead during mass injection.)

1. The utility model provides a can quick replacement plug alleviate intensity of labour's injection apparatus, includes handle (1), its characterized in that: the left side of the handle (1) is fixedly connected with an injection tube (2), the top of the injection tube (2) is fixedly connected with an infusion box (3), the left side of the injection tube (2) is fixedly connected with a nipple (4), the left side of the nipple (4) is provided with a pintle (5), the right side of the infusion box (3) is fixedly connected with a connecting pipe (6), the interior of the injection tube (2) is slidably connected with a piston (7), the right side of the piston (7) is fixedly connected with a piston rod (8), the left side of the handle (1) is fixedly connected with a support rod (9) below the injection tube (2), the interior of the support rod (9) is movably connected with a handle (10), the top of the handle (10) is fixedly connected with a rectangular frame (11), the right side of the handle (10) is fixedly connected with a reset spring (12), the left side of the support rod (, the right side of the handle (1) is movably connected with an adjusting rod (14), the right side of the adjusting rod (14) is fixedly connected with an adjusting knob (15), the left side of the handle (1) is movably connected with a limiting rod (16), the outer side of the nipple (4) is slidably connected with a sliding sleeve (17), the left side of the injection tube (2) is slidably connected with a movable rod (18) below the nipple (4), the right side of the movable rod (18) is fixedly connected with a supporting spring (19), the bottom of the injection tube (2) is slidably connected with a sliding rod (20), the inside of the nipple (4) is fixedly connected with an elastic spring (21), the right side of the elastic spring (21) is fixedly connected with a sealing plate (22), the right side of the reset spring (13) is fixedly connected with a pressing rod (23), the outer side of the pressing rod (23), the left side fixedly connected with pressure spring (25) of fixed block (24), the right side fixedly connected with clamp plate (26) of slide bar (20), the outside of adjusting pole (14) just is located the inside fixedly connected with gear (27) of handle (1).

2. A labor-intensive injection device capable of quick-change insertion of a plug according to claim 1, wherein: the rectangular frame (11) is connected with the piston rod (8) in a sliding mode.

3. A labor-intensive injection device capable of quick-change insertion of a plug according to claim 1, wherein: the right half part of the limiting rod (16) is provided with threads, and the threads are meshed with the gear (27).

4. A labor-intensive injection device capable of quick-change insertion of a plug according to claim 1, wherein: the inner diameter of the sliding sleeve (17) is larger than the outer diameter of the nipple (4) and smaller than the outer diameter of the pintle (5).

5. A labor-intensive injection device capable of quick-change insertion of a plug according to claim 1, wherein: the bottom of the left side of the movable rod (18) is in contact with the sliding rod (20).

6. A labor-intensive injection device capable of quick-change insertion of a plug according to claim 1, wherein: the fixing block (24) is fixedly connected with the supporting rod (9).

7. A labor-intensive injection device capable of quick-change insertion of a plug according to claim 1, wherein: the structure of the bottom of the connecting pipe (6) is the same as that of the inside of the nipple (4).

8. A labor-intensive injection device capable of quick-change insertion of a plug according to claim 1, wherein: the right side of the return spring (12) is fixedly connected with the handle (1).

Technical Field

The invention relates to the technical field of veterinary medicine, in particular to an injection device capable of quickly replacing a plug and reducing the labor intensity.

Background

Veterinarian refers to a physician who administers disease prevention, diagnosis and treatment to an animal. In particular, veterinarians are a class of workers that medically motivate the bodies of animals (including wildlife and poultry, livestock, and aquatic animals) to coordinate with microorganisms and the natural environment.

The animal doctor is when giving the animal injection medicine, if do not pay attention to the syringe needle disinfection or change the syringe needle, healthy animal, sick animal all uses a syringe needle injection, thereby cause cross infection's mischief, make the disease of animal more difficult to cure, therefore when the injection, certainly will change the syringe needle or reuse the syringe needle after disinfecting, the animal doctor is when giving a batch of animal injection medicine, because it is longer to change the used time of syringe needle, need consume very big strength when pulling out the syringe needle simultaneously, greatly increased animal doctor's working strength and operating time, easily lead to the animal doctor for the convenience save trouble and do not change the syringe needle when bulk injection medicine.

Disclosure of Invention

Technical scheme (I)

In order to achieve the purpose of reducing labor intensity and working time during batch injection, the invention provides the following technical scheme: an injection device capable of quickly replacing a plug and reducing labor intensity comprises a handle, wherein the left side of the handle is fixedly connected with an injection tube, the top of the injection tube is fixedly connected with an infusion box, the left side of the injection tube is fixedly connected with a nipple, the left side of the nipple is provided with a pintle, the right side of the infusion box is fixedly connected with a connecting pipe, the inside of the injection tube is slidably connected with a piston, the right side of the piston is fixedly connected with a piston rod, the left side of the handle is fixedly connected with a support rod below the injection tube, the inside of the support rod is movably connected with a handle, the top of the handle is fixedly connected with a rectangular frame, the right side of the handle is fixedly connected with a return spring, the left side of the support rod is provided with a return spring, the right side, the left side swing joint of handle has the gag lever post, papillary outside sliding connection has the sliding sleeve, the left side of injection tube just is located papillary below sliding connection has the movable rod, the right side fixedly connected with supporting spring of movable rod, the bottom sliding connection of injection tube has the slide bar, papillary inside fixedly connected with elastic spring, elastic spring's right side fixedly connected with closing plate, reset spring's right side fixedly connected with depression bar, the outside swing joint of depression bar has the fixed block, the left side fixedly connected with pressure spring of fixed block, the right side fixedly connected with clamp plate of slide bar, the outside of adjusting the pole just is located the inside fixedly connected with gear of handle.

Preferably, the rectangular frame is connected with the piston rod in a sliding mode, so that the rectangular frame rotates to drive the piston rod to move leftwards.

Preferably, the right half part of the limiting rod is provided with threads, the threads are meshed with the gear, the adjusting knob drives the adjusting rod and the gear to rotate, the gear drives the limiting rod to move left and right, and the stroke of the handle is controlled to control the injection amount when the handle is pressed by adjusting the extending distance of the limiting rod.

Preferably, the inner diameter of the sliding sleeve is larger than the outer diameter of the nipple and smaller than the outer diameter of the pintle, so that the top of the movable rod drives the sliding sleeve to move leftwards, the sliding sleeve moves leftwards to enable the pintle to move leftwards and separate from the nipple, and the purpose of quickly pulling off the pintle is achieved.

Preferably, the bottom of the left side of the movable rod is in contact with the sliding rod.

Preferably, the fixing block is fixedly connected with the supporting rod.

Preferably, the structure of the bottom of the connection pipe is the same as that of the inside of the nipple.

Preferably, the right side of the return spring is fixedly connected with the handle.

Advantageous effects

Compared with the prior art, the invention provides an injection device capable of quickly replacing a plug and reducing the labor intensity, and the injection device has the following beneficial effects:

1. the injection device capable of quickly replacing the plug and reducing the labor intensity stores the medicine to be injected in an infusion box when medicine injection is carried out, the infusion box injects the medicine into an injection tube through a connecting pipe, the medicine can only flow to the injection tube from the infusion box through a one-way valve arranged between the connecting pipe and the injection tube, the handle is pressed to rotate around a connecting shaft between the handle and a supporting rod, the handle rotates to drive a rectangular frame at the top of the handle to rotate, the rectangular frame rotates to drive a piston rod to move leftwards, the piston rod moves leftwards to push a piston to move leftwards, the piston moves leftwards to push the medicine in the injection tube to be sprayed out from a needle head, after the handle is contacted with a limiting rod, after the injection is finished, the handle resets rightwards under the action of a reset spring after the injection is released, the piston rod moves rightwards through, hydraulic pressure in the injection tube reduces, and the passageway of defeated pipe and injection tube is opened, and the passageway of nipple and injection tube is closed, makes the medicine in the infusion case flow to the injection tube under hydraulic effect to wait for next injection, through the lever action between handle and the piston rod, only need less strength just can accomplish the injection action, the physical demands when having saved a large amount of injections of animal doctor greatly.

2. This can quick replacement plug alleviate intensity of labour's injection apparatus, after the injection is accomplished, press reset spring through the hand, make reset spring drive the depression bar and move right, the depression bar moves right and contacts the clamp plate and drive clamp plate and slide bar and move right, the slide bar moves right and makes the movable rod anticlockwise rotation, under lever principle's effect, make the movable rod top drive the sliding sleeve and move left, the sliding sleeve moves left and makes the pintle move left and break away from the nipple, pull out the pintle through lever principle, make the change syringe needle that the animal doctor can be quick when big batch injection, the time that the syringe needle was used has been reduced to extract when saving a large amount of physical power, greatly improved injection efficiency.

3. This can alleviate intensity of labour's injection device by quick replacement plug, through when the injection volume of needs adjustment medicine, through rotating adjust knob, make adjust knob drive regulation pole and gear rotation, the gear drives the gag lever post and removes, through the distance that adjusts the gag lever post and stretch out, the stroke of handle controls the injection volume when control is pressed the handle, medicine injection dosage precision when having improved the injection to be applicable to big batch injection, improved injection efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the movable rod structure of the present invention;

FIG. 3 is a schematic view of a support bar according to the present invention;

FIG. 4 is a schematic view of a nipple according to the present invention;

FIG. 6 is a schematic view of the return spring of the present invention;

FIG. 5 is a schematic view of a stop lever according to the present invention.

In the figure: 1. a grip; 2. an injection tube; 3. a transfusion box; 4. a nipple; 5. a pintle; 6. a connecting pipe; 7. a piston; 8. a piston rod; 9. a support bar; 10. a handle; 11. a rectangular frame; 12. a return spring; 13. a return spring; 14. adjusting a rod; 15. adjusting a knob; 16. a limiting rod; 17. a sliding sleeve; 18. a movable rod; 19. a support spring; 20. a slide bar; 21. an elastic spring; 22. a sealing plate; 23. a pressure lever; 24. a fixed block; 25. a pressure spring; 26. pressing a plate; 27. a gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1-6, an injection device capable of quickly replacing a plug to reduce labor intensity, comprising a handle 1, a left side fixedly connected with injection tube 2 of the handle 1, a top fixedly connected with infusion box 3 of the injection tube 2, a left side fixedly connected with nipple 4 of the injection tube 2, a pintle 5 is installed on the left side of the nipple 4, a right side fixedly connected with connecting tube 6 of the infusion box 3, the structure of the bottom of the connecting tube 6 is the same as the structure inside the nipple 4, the inside sliding connection of the injection tube 2 is provided with a piston 7, the right side fixedly connected with piston rod 8 of the piston 7, the left side of the handle 1 is provided with a supporting rod 9 below the injection tube 2, the inside movable connection of the supporting rod 9 is provided with a handle 10, the top fixedly connected with a rectangular frame 11 of the handle 10, the sliding connection between the rectangular frame 11.

A reset spring 12 is fixedly connected to the right side of the handle 10, the right side of the reset spring 12 is fixedly connected with the handle 1, a reset spring 13 is installed on the left side of the supporting rod 9, an adjusting rod 14 is movably connected to the right side of the handle 1, an adjusting knob 15 is fixedly connected to the right side of the adjusting rod 14, a limiting rod 16 is movably connected to the left side of the handle 1, threads are arranged on the right half portion of the limiting rod 16, the threads are meshed with a gear 27, the adjusting knob 15 drives the adjusting rod 14 and the gear 27 to rotate, the gear 27 drives the limiting rod 16 to move left and right, the injection amount is controlled by controlling the stroke of the handle 10 when the handle 10 is pressed, a sliding sleeve 17 is slidably connected to the outer side of the nipple 4, the inner diameter of the sliding sleeve 17 is larger than the outer diameter of the nipple 4 and smaller than the outer diameter of the pintle 5, the sliding sleeve 17 is driven to move, the purpose of quickly pulling out the pintle 5 is achieved, the bottom of the left side of the movable rod 18 is in contact with the sliding rod 20, the movable rod 18 is connected to the left side of the injection tube 2 below the nipple 4 in a sliding manner, and the supporting spring 19 is fixedly connected to the right side of the movable rod 18.

The bottom sliding connection of injection cylinder 2 has slide bar 20, the inside fixedly connected with elastic spring 21 of nipple 4, the right side fixedly connected with closing plate 22 of elastic spring 21, reset spring 13's right side fixedly connected with depression bar 23, the outside swing joint of depression bar 23 has fixed block 24, fixed connection between fixed block 24 and the bracing piece 9, the left side fixedly connected with pressure spring 25 of fixed block 24, slide bar 20's right side fixedly connected with clamp plate 26, adjust the outside of pole 14 and be located the inside fixedly connected with gear 27 of handle 1.

When medicine is injected, medicine to be injected is stored in an infusion box 3, the infusion box 3 injects the medicine into an injection tube 2 through a connecting pipe 6, the medicine can only flow from the infusion box 3 to the injection tube 2 through a one-way valve arranged between the connecting pipe 6 and the injection tube 2, a handle 10 is pressed to rotate around a connecting shaft between the handle 10 and a supporting rod 9, the handle 10 rotates to drive a rectangular frame 11 at the top of the handle 10 to rotate, the rectangular frame 11 rotates to drive a piston rod 8 to move leftwards, the piston rod 8 moves leftwards to push a piston 7 to move leftwards, the piston 7 moves leftwards to push the medicine in the injection tube 2 to be sprayed out from a needle head, after the handle 10 is contacted with a limiting rod 16, after the injection is finished, after the handle 10 is loosened, the handle 10 is reset rightwards under the action of a reset spring 12, and the piston rod 8 moves rightwards through, make piston 7 remove rightly, the hydraulic pressure in the injection tube 2 reduces, the passageway of defeated pipe and injection tube 2 is opened, and nipple 4 is closed with the passageway of injection tube 2, makes the medicine in the infusion case 3 flow to injection tube 2 under hydraulic effect to wait for next injection, through the lever effect between handle 10 and the piston rod 8, only need less strength just can accomplish the injection action, physical demands when having saved the injection of veterinarian in a large number greatly.

After the injection is completed, the reset spring 13 is pressed by a hand, the reset spring 13 drives the pressure rod 23 to move rightwards, the pressure rod 23 moves rightwards to contact with the pressure plate 26 and drive the pressure plate 26 and the slide rod 20 to move rightwards, the slide rod 20 moves rightwards to enable the movable rod 18 to rotate anticlockwise, under the action of a lever principle, the top of the movable rod 18 drives the sliding sleeve 17 to move leftwards, the sliding sleeve 17 moves leftwards to enable the pintle 5 to move leftwards and separate from the nipple 4, the pintle 5 is pulled out through the lever principle, the veterinarian can rapidly replace the pinhead when injecting in large batches, the time for pulling out the pinhead is shortened while a large amount of physical power is saved.

When the injection amount of the medicine needs to be adjusted, the adjusting knob 15 is rotated, the adjusting knob 15 drives the adjusting rod 14 and the gear 27 to rotate, the gear 27 drives the limiting rod 16 to move left and right, the stroke of the handle 10 is controlled when the handle 10 is pressed by adjusting the extending distance of the limiting rod 16, the injection amount is controlled, the injection dosage precision of the medicine during injection is improved, the medicine injection device is suitable for mass injection, and the injection efficiency is improved.

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