Portable pen type injector

Abstract

The utility model discloses a pen type injector convenient to use, and relates to the technical field of medical instruments. The device comprises a protection cylinder and a folding cylinder movably connected to the top of the protection cylinder through a hinge, a moving groove is formed in the outer side of the bottom of the folding cylinder, a medicine cylinder is placed in the protection cylinder, a driving mechanism is arranged at the top end in the folding cylinder, a lower magnetic block is embedded in the center of the top of a rubber plug, and an upper magnetic block is embedded in the center of the bottom of a pushing plate. And the lower magnetic block and the upper magnetic block are correspondingly arranged up and down, and a limiting assembly is arranged in the moving groove. The protective barrel and the folding barrel can be conveniently and rapidly folded and butted by a worker through the limiting assembly, the occupied space is reduced, the worker can conveniently carry, store and store the protective barrel and the folding barrel, the upper driving mechanism and the lower medicine barrel can be conveniently separated through the medicine barrel, the rubber plug, the pushing plate, the lower magnetic block and the upper magnetic block, then the internal medicine barrel can be disassembled, assembled and replaced, and the working efficiency is improved. Use is convenient, and resource waste is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical equipment, in particular to a portable pen-type injector. Background Art

[0002] In the process of medical treatment, various instruments and equipment are often used. Syringes are one of them. They are mainly used to inject drugs or other liquids into the human body. With the development of science and technology, there is now a pen-type syringe, which has the characteristics of higher accuracy and easier operation than traditional syringes. It has been widely used, greatly facilitating the operation of patients and medical staff.

[0003] After searching, the publication number CN210992293U, application date 2019.09.29 discloses a portable pen-type syringe, including a syringe, the bottom of the syringe is fixedly connected to a sealed chassis, a needle is installed at the bottom of the sealed chassis, a sealing tube is provided on the surface of the bottom of the syringe and located on the outer circle of the sealed chassis, a liquid inlet and outlet hole is opened through the center of the bottom of the inner cavity of the syringe, and a piston head is provided at the top of the inner cavity of the syringe.

[0004] However, it still has the following disadvantages in actual use:

[0005] The above-mentioned portable pen-type syringe is used by arranging the pushing part outside the pen-type syringe, and the telescopic rod that plays a pushing role in this way is still located inside the syringe, and has a corresponding length to push the liquid medicine out, so it still takes up a lot of space, which is not convenient for staff to carry, store and store;

[0006] 2. When the portable pen-type syringe is used, the telescopic rod is located inside the syringe, and the pushing part, the telescopic rod, the cartridge, etc. cannot be disassembled separately, so it cannot be reused, resulting in a waste of resources. To this end, we provide a portable pen-type syringe to solve the above problems. Utility Model Content

[0007] The utility model aims to provide a convenient pen-type injector, which is convenient for staff to quickly fold and dock the protective tube and the folding tube by setting a limit component, thereby reducing the occupied space and being convenient for staff to carry, store and receive. In addition, the upper driving mechanism and the lower cartridge can be separated by using the cartridge, rubber plug, push plate, lower magnetic block and upper magnetic block, and then the internal cartridge can be disassembled, assembled and replaced, which is convenient to use and reduces waste of resources.

[0008] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0009] The utility model is a portable pen-type syringe, comprising a protective tube and a folding tube movably connected to the top of the protective tube through a hinge, a movable groove is arranged on the outer side of the bottom of the folding tube, a medicine cartridge is placed inside the protective tube, a driving mechanism is arranged on the top of the inner part of the folding tube, a driving rod is connected to the bottom of the driving mechanism, a rubber plug is slidably connected to the top of the inner part of the medicine cartridge, a lower magnetic block is embedded in the center of the top of the rubber plug, a push plate is installed at the bottom end of the driving rod, an upper magnetic block is embedded in the center of the bottom of the push plate, and the lower magnetic block and the upper magnetic block are arranged correspondingly up and down, and a limiting component is arranged inside the movable groove;

[0010] The limiting assembly comprises a push block and connecting columns which are evenly spaced and fixedly connected to the inner wall of the push block from front to back, and the other end of the connecting column passes through the limiting hole on the moving groove and is connected to the moving plate.

[0011] The utility model is further configured that an observation window is arranged at the front end center position of the outer wall of the protection tube, and a connecting ring is fixedly connected to the inner side of the bottom of the protection tube.

[0012] The utility model is further configured that the outer wall of the connecting ring is meshed and connected with the inner wall of the outer needle head through a thread, and a rubber ring is arranged at the bottom edge of the outer wall of the protective tube.

[0013] The utility model is further configured that a pen cap is sleeved on the outer side of the bottom of the protection tube, a convex ring is fixedly connected to the upper edge of the inner wall of the pen cap, and the rubber ring and the convex ring cooperate with each other to limit the position.

[0014] The utility model is further configured that sliding grooves are arranged at the front and rear sides of the outer side of the movable groove, a clamping groove is arranged at the outer side of the top of the protective tube, and the clamping groove is arranged corresponding to the movable groove.

[0015] The utility model is further configured that sliding blocks are fixedly connected to the front and rear edges of the inner wall of the push block, and the sliding blocks are located inside the slide grooves, and connecting rods are fixedly connected to the bottom of the moving plate at even intervals from front to back.

[0016] The utility model is further configured that the other end of the connecting rod passes through the through hole on the fixing plate and is connected to the clamping plate, and a spring is sleeved on the outer side of the outer wall of the connecting rod.

[0017] The utility model is further configured that the spring is located between the lower surface of the fixing plate and the upper surface of the clamping plate, and the outer wall of the fixing plate is fixed on the inner wall of the moving groove.

[0018] The utility model has the following beneficial effects:

[0019] The utility model provides a limit assembly, which can drive the card plate to move under the action of the elastic performance of the spring, thereby achieving or canceling the limit effect between the card plate and the card slot, thereby facilitating the staff to quickly fold and dock the protection tube and the folding tube, reducing the occupied space, and facilitating the staff to carry, store and store them. The utility model solves the problem that the above-mentioned convenient pen-type syringe is used by arranging the pushing part on the outside of the pen-type syringe, while the telescopic rod that plays a pushing role in this way is still located inside the syringe, and has a corresponding length to push the liquid medicine out, thereby still occupying a large amount of space and being inconvenient for the staff to carry, store and store.

[0020] The utility model provides a medicine cartridge, a rubber stopper, a push plate, a lower magnetic block and an upper magnetic block. The rubber stopper inside the medicine cartridge and the push plate in the upper driving mechanism are magnetically connected by the lower magnetic block and the upper magnetic block, so that the upper driving mechanism and the lower medicine cartridge can be separated. Then, the internal medicine cartridge can be disassembled, assembled and replaced, which is convenient to use and reduces waste of resources. The utility model solves the problem that the telescopic rod of the above-mentioned convenient pen-type syringe is located inside the syringe when in use, and this method cannot separately disassemble the push part, the telescopic rod, the medicine cartridge and the like, so it cannot be reused, resulting in waste of resources.

[0021] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 The figure is a schematic diagram of the structure of a portable pen-type injector.

[0024] Figure 2 This is a disassembled diagram of a portable pen-type injector.

[0025] Figure 3 A cross-sectional view of the cartridge.

[0026] Figure 4 It is a cross-sectional view of the folding tube.

[0027] Figure 5 This is a disassembled diagram of the limit assembly.

[0028] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0029] 1-protection tube, 101-observation window, 102-connecting ring, 103-rubber ring, 104-needle, 105-pen cap, 105a-convex ring, 106-folding tube, 106a-moving groove, 106b-slide groove, 107-cartridge, 108-rubber plug, 108a-lower magnetic block, 109-driving mechanism, 1010-driving rod, 1010a-pushing plate, 1010b-upper magnetic block, 1011-card slot, 2-limiting assembly, 201-push block, 201a-slider, 201b-connecting column, 202-moving plate, 203-connecting rod, 204-fixed plate, 205-spring, 206-card plate. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] For specific example 1, please refer to Figures 1 to 4 The utility model is a portable pen-type syringe, comprising a protective tube 1 and a folding tube 106 movably connected to the top thereof by a hinge, a movable groove 106a is arranged on the outer side of the bottom of the folding tube 106, a medicine cartridge 107 is placed inside the protective tube 1, a driving mechanism 109 is arranged on the top of the folding tube 106, a driving rod 1010 is connected to the bottom of the driving mechanism 109, a rubber plug 108 is slidably connected to the top of the medicine cartridge 107, a lower magnetic block 108a is embedded in the center of the top of the rubber plug 108, a pushing plate 1010a is installed at the bottom of the driving rod 1010, an upper magnetic block 1010b is embedded in the center of the bottom of the pushing plate 1010a, and the lower magnetic block 108a and the upper magnetic block 1010b are arranged correspondingly up and down.

[0032] Specifically, an observation window 101 is provided at the center position of the front end of the outer wall of the protective tube 1, a connecting ring 102 is fixedly connected to the inner side of the bottom of the protective tube 1, and the outer wall of the connecting ring 102 is meshed and connected with the inner wall of the outer needle 104 through a thread, a rubber ring 103 is provided at the bottom edge of the outer wall of the protective tube 1, a pen cap 105 is sleeved on the outer side of the bottom of the protective tube 1, and a convex ring 105a is fixedly connected to the upper edge of the inner wall of the pen cap 105, the rubber ring 103 and the convex ring 105a cooperate with each other to limit, sliding grooves 106b are provided on the front and rear sides of the outer side of the movable groove 106a, and a clamping groove 1011 is provided on the outer side of the top of the protective tube 1, and the clamping groove 1011 is provided corresponding to the movable groove 106a.

[0033] Furthermore, the folding tube 106 and the protective tube 1 can rotate under the action of the hinge, and limiting holes are evenly spaced from front to back on the outer wall of the movable groove 106a. The cartridge 107 can be detachably installed inside the protective tube 1. The driving mechanism 109 and the driving rod 1010 are both existing technologies, so they will not be described in detail here. The rubber plug 108 and the push plate 1010a can be adsorbed together by the lower magnetic block 108a and the upper magnetic block 1010b to achieve synchronous movement. The amount of medicine inside the cartridge 107 can be observed in real time using the observation window 101. The pen cap 105 can be mounted on the outside of the needle 104 through the cooperation of the rubber ring 103 and the convex ring 105a to play a protective role.

[0034] The operation process of this embodiment is as follows: first, since the top of the rubber plug 108 inside the cartridge 107 is provided with a lower magnetic block 108a, and the bottom of the upper push plate 1010a is provided with an upper magnetic block 1010b, during the docking and setting process of the protection tube 1 and the folding tube 106, magnetic attraction is generated between the lower magnetic block 108a and the upper magnetic block 1010b, so that the rubber plug 108 is tightly adsorbed on the bottom of the upper push plate 1010a. At this time, the staff can drive the driving mechanism 109 and the driving rod 1010 to The push plate 1010a moves, and the rubber plug 108 in the lower cartridge 107 is moved by the push plate 1010a, thereby achieving the purpose of injecting the medicine. In the process of flipping the folding cylinder 106, the upper magnetic block 1010b and the lower magnetic block 108a are separated, and the magnetic attraction between the two disappears. The protective cylinder 1 and the folding cylinder 106 are separated, thereby achieving the purpose of separating the upper driving mechanism 109 and the lower cartridge 107. The internal cartridge 107 can be disassembled, assembled and replaced, which is convenient to use and reduces waste of resources.

[0035] For specific embodiment 2, please refer to Figure 2 and Figure 5 On the basis of the first specific embodiment, what is different from the first embodiment is that: a limit assembly 2 is provided, the limit assembly 2 includes a push block 201 and connecting columns 201b fixedly connected to its inner wall at uniform intervals from front to back, the other end of the connecting column 201b passes through the limit hole on the moving groove 106a and is connected to the moving plate 202, which solves the problem that the existing portable pen-type syringe is used by setting the pushing part on the outside of the pen-type syringe, and the telescopic rod that plays a pushing role in this way is still located inside the syringe, and it has a corresponding length to push the liquid medicine out, so it still takes up a lot of space, which is not convenient for staff to carry, store and store.

[0036] Specifically, sliders 201a are fixedly connected to the front and rear edges of the inner wall of the push block 201, and the sliders 201a are located inside the slide groove 106b. The bottom of the movable plate 202 is fixedly connected with connecting rods 203 at even intervals from front to back. The other end of the connecting rods 203 passes through the through holes on the fixed plate 204 and is connected to the clamping plate 206. A spring 205 is sleeved on the outer side of the outer wall of the connecting rod 203. The spring 205 is located between the lower surface of the fixed plate 204 and the upper surface of the clamping plate 206. The outer wall of the fixed plate 204 is fixed to the inner wall of the movable groove 106a.

[0037] Furthermore, the push block 201 and the movable plate 202 are connected by the connecting column 201b, which plays a role in connecting transmission. Under the action of the connecting rod 203, the movable plate 202 and the card plate 206 are connected, which plays a role in connecting transmission. Under the action of the elastic performance of the spring 205, the card plate 206 can be driven to move. The slider 201a and the slide groove 106b can assist the movement of the push block 201. The size of the card plate 206 is smaller than the internal size of the card groove 1011.

[0038] The operation process of this embodiment is as follows: when the pen-type syringe needs to be carried, the push block 201 is pushed upward, and the push block 201 is forced to move upward under the action of the slider 201a and the slide groove 106b, and the inner wall of the push block 201 is connected to the movable plate 202 through the connecting column 201b, so the upward movement of the push block 201 will drive the movable plate 202 to move upward under the action of the connecting column 201b, and the bottom of the movable plate 202 is connected to the card plate 206 through the connecting rod 203, so when the movable plate 202 moves upward, it will drive the card plate 206 to move upward under the action of the connecting rod 203 and squeeze the spring 205, at this time, it can be The card plate 206 is moved out of the card slot 1011 on the surface of the protective tube 1, and then the folding tube 106 is rotated under the action of the hinge, so that the protective tube 1 and the folding tube 106 are folded, reducing the occupied space, and it is convenient for the staff to carry, store and store. When in use, repeat the above operation, turn the folding tube 106 on the surface of the protective tube 1, and stop applying force to the push block 201. At this time, the card plate 206 can be bounced into the corresponding card slot 1011 below under the action of the elastic performance of the spring 205, thereby completing the installation, which is convenient for the staff to quickly fold and dock for use, saving time and effort, and high work efficiency.

[0039] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0040] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A portable pen-type injector, comprising a protective tube (1) and a folding tube (106) movably connected to the top of the protective tube (1) by a hinge, wherein a movable groove (106a) is arranged on the outer side of the bottom of the folding tube (106), a drug cartridge (107) is placed inside the protective tube (1), a driving mechanism (109) is arranged on the top of the folding tube (106), and a driving rod (1010) is connected to the bottom of the driving mechanism (109), characterized in that: The inner top of the cartridge (107) is slidably connected to a rubber stopper (108), a lower magnetic block (108a) is embedded in the top center of the rubber stopper (108), a push plate (1010a) is installed at the bottom end of the driving rod (1010), an upper magnetic block (1010b) is embedded in the bottom center of the push plate (1010a), and the lower magnetic block (108a) and the upper magnetic block (1010b) are arranged in correspondence with each other up and down, and a limit assembly (2) is arranged inside the movable groove (106a); The limiting assembly (2) comprises a push block (201) and connecting columns (201b) fixedly connected to the inner wall thereof at even intervals from front to back, the other end of the connecting column (201b) passing through the limiting hole on the movable groove (106a) to be connected to the movable plate (202).

2. A portable pen-type injector according to claim 1, characterized in that: An observation window (101) is provided at the front end center position of the outer wall of the protection tube (1), and a connecting ring (102) is fixedly connected to the inner side of the bottom of the protection tube (1).

3. A portable pen-type injector according to claim 2, characterized in that: The outer wall of the connecting ring (102) is meshed and connected with the inner wall of the outer needle head (104) via a thread, and a rubber ring (103) is provided at the bottom edge of the outer wall of the protective tube (1).

4. A portable pen-type injector according to claim 3, characterized in that: A pen cap (105) is sleeved on the outer side of the bottom of the protective tube (1), a convex ring (105a) is fixedly connected to the upper edge of the inner wall of the pen cap (105), and the rubber ring (103) and the convex ring (105a) cooperate with each other to limit position.

5. A portable pen-type injector according to claim 4, characterized in that: Slide grooves (106b) are arranged at the front and rear sides of the outer side of the movable groove (106a), and a clamping groove (1011) is arranged at the outer side of the top of the protective tube (1), and the clamping groove (1011) is arranged corresponding to the movable groove (106a).

6. A portable pen-type injector according to claim 5, characterized in that: Slide blocks (201a) are fixedly connected to the front and rear edges of the inner wall of the push block (201), and the slide blocks (201a) are located inside the slide groove (106b). Connecting rods (203) are fixedly connected to the bottom of the movable plate (202) at even intervals from front to back.

7. A portable pen-type injector according to claim 6, characterized in that: The other end of the connecting rod (203) passes through a through hole on the fixing plate (204) and is connected to the clamping plate (206), and a spring (205) is sleeved on the outer side of the outer wall of the connecting rod (203).

8. A portable pen-type injector according to claim 7, characterized in that: The spring (205) is located between the lower surface of the fixed plate (204) and the upper surface of the clamping plate (206), and the outer wall of the fixed plate (204) is fixed on the inner wall of the movable groove (106a).

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