Rubber plug of pneumatic injector

Abstract

The utility model provides a pneumatic injector rubber plug, and relates to the technical field of pneumatic injector rubber plugs, the pneumatic injector rubber plug comprises a rubber plug main body, the outer surface of the rubber plug main body is fixedly connected with a plurality of sealing rings, the outer surface of the rubber plug main body can be divided into a plurality of layers through the sealing rings, the contact friction force of the surface is improved, and the service life of the rubber plug main body is prolonged. The rubber plug has the advantages that abrasion caused by sliding between the rubber plug and an object in the transportation process is reduced, space is reserved for corrosion possibly generated in the storage process, the influence of errors during production can be reduced, the rubber plug body can be conveniently used, the rubber plug body can be attached to the inner wall of a pneumatic injector tube during later use, and the service life of the rubber plug body is prolonged. The influence on the use of the pneumatic injector is avoided; by arranging the adjusting and supporting device, the inner wall of the rubber plug body can be supported and reinforced, the attaching degree of the rubber plug body and the inner wall of a pneumatic injector tube is improved, use of a pneumatic injector is prevented from being affected, meanwhile, the sliding speed of the rubber plug body during use can be reduced, and the injection amount of medicine can be conveniently controlled.

Description

TECHNICAL FIELD

[0001] The utility model relates to pneumatic syringe rubber plug technical field especially, relate to a pneumatic syringe rubber plug. BACKGROUND

[0002] Pneumatic syringe rubber plug is the important component part in pneumatic syringe, it plays multiple roles such as sealing, fixed, control liquid flow.

[0003] In the process of installing the rubber plug main part in the inside of pneumatic syringe pipe and using, when injecting, the movement state of rubber plug main part in pneumatic syringe pipe can be controlled by filling gas or extracting gas in the inside of the air pipe on one end of pneumatic syringe pipe, so that it completes injection and injects medicine etc., since rubber plug main part is usually disposable molding object, there can be error on the surface during production, and there can be abrasion corrosion etc. on the surface during disinfecting, transporting and storing, thereby causing gap between the inner wall of pneumatic syringe pipe and rubber plug main part during use, causing not close enough, influencing the use of pneumatic syringe, and not close enough can cause the sliding speed of rubber plug main part difficult to control when gas extrusion pushes, and not convenient to control the injection amount of medicine. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in prior art and provides a pneumatic syringe rubber plug.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a pneumatic syringe rubber plug, which comprises a rubber plug main part arranged in the inside of a pneumatic syringe pipe, a plurality of sealing rings are fixedly connected to the outer surface of the rubber plug main part, a recess is formed in one side of the rubber plug main part, a plurality of protrusions are fixedly connected to one side of the rubber plug main part, and the size of one end of the rubber plug main part away from the entrance of the recess is smaller than the size of the other end.

[0006] The effects of the above-mentioned components are as follows: the sealing rings can divide the outer surface of the rubber plug main part into multiple layers, improve the surface contact friction, reduce the abrasion caused by sliding between objects during transportation, reserve space for possible corrosion during storage, reduce the influence of errors during production, facilitate the use of the rubber plug main part, make it fit the inner wall of the pneumatic syringe pipe during later use, avoid influencing the use of the pneumatic syringe, and reduce the sliding speed of the rubber plug main part in the inner wall of the pneumatic syringe pipe, facilitating the control of the injection amount of medicine.

[0007] Preferably, the inner wall of the rubber plug body is provided with an adjusting support device, the adjusting support device comprises an abutting cylinder, the abutting cylinder is inserted into the inner wall of the groove, the inner wall of the groove is symmetrically provided with a sliding groove, the inner wall of the sliding groove is provided with a plurality of limiting grooves on one side, the limiting grooves are provided with a clamping groove on one side, one end of the abutting cylinder is fixedly connected with a sliding rod on the outer surface, the sliding rod is inserted into the inner wall of the sliding groove, the limiting groove and the clamping groove, a plurality of round hole blocks are fixedly connected to the inner wall of the rubber plug body, the inner wall of the round hole block is slidably connected with a round rod, one end of the round rod is fixedly connected with a supporting block, one end of the round rod is fixedly connected with an abutting block, one side of the abutting block is in abutment with the outer surface of one end of the abutting cylinder, and the outer surface of one end of the round rod is sleeved with a spring.

[0008] The effect of the above-mentioned component is that: by setting the adjusting support device, when the rubber plug body is installed in the inner wall of the pneumatic injector tube for use, the degree of adhesion of the outer surface of the rubber plug body to the inner wall of the pneumatic injector tube can be adjusted by manually pressing the abutting cylinder to drive the sliding rod to slide downward in the groove and the sliding groove to a certain position, and then one end of the abutting cylinder abuts and pushes the abutting block to move to one side, the round rod slides to one side in the round hole block, the spring is contracted, and the supporting block is pushed to support in the inner wall of the groove, so that the rubber plug body is extruded, the outer surface of the rubber plug body is tightly attached to the inner wall of the pneumatic injector tube, and gaps are avoided. Then, by rotating the abutting cylinder to drive the sliding rod to be clamped into the corresponding limiting groove and clamping groove, the rubber plug body can be limited after being attached to the inner wall of the pneumatic injector tube, the adhesion of the two is improved, the use of the injector is not affected, and the speed of the rubber plug body sliding in the inner wall of the pneumatic injector tube is reduced, which facilitates the control of the injection amount of the medicament.

[0009] Preferably, the outer surface of one end of the round rod is fixedly connected with a plurality of reinforcing rods, and one end of the reinforcing rod is fixedly connected with one side of the supporting block.

[0010] The effect of the above-mentioned component is that: by setting the reinforcing rod, the connection area between the round rod and the supporting block can be increased, so that the connection is more firm and stable and is not easy to be damaged.

[0011] Preferably, a plurality of round rollers are rotatably connected to one side of the abutting block, and the outer surface of the round roller is rollingly connected with the outer surface of one end of the abutting cylinder.

[0012] The effect of the above-mentioned component is that: by setting the round roller, the contact friction between the abutting cylinder and the abutting block can be reduced, the abutting block can be easily extruded and pushed, and the operation is convenient.

[0013] Preferably, a plurality of twisting blocks are fixedly connected to the outer surface of one end of the abutting cylinder, and the plurality of twisting blocks are arranged at equal distances.

[0014] The effect achieved by the above component is that the contact area of the one end outer surface of the abutting cylinder can be increased by setting the knob, facilitating manual pushing and rotating.

[0015] Preferably, the cross section of the supporting block is in the shape of a circular arc, and the supporting block is arranged on the side of the circular rod away from the abutting block.

[0016] The effect achieved by the above component is that the outer surface of the supporting block can be more closely fitted with the inner wall of the rubber plug body by setting the supporting block in the shape of a circular arc, so that the rubber plug body can be more closely fitted with the inner wall of the pneumatic syringe tube when being supported.

[0017] Preferably, the height dimension of the limiting groove is smaller than the diameter dimension of the sliding rod, and the diameter dimension of the sliding rod is consistent with the width dimension of the sliding groove and the diameter dimension of the clamping groove.

[0018] The effect achieved by the above component is that the height dimension of the limiting groove is set to be smaller than the sliding groove width and the clamping groove diameter dimension, so that when the sliding rod is slid in the sliding groove to a certain position and needs to be clamped into the corresponding clamping groove, the rubber plug body with a certain elasticity can be squeezed and opened by the point force, and then clamped into the corresponding clamping groove, so that the sliding rod is not easy to slide out of the clamping groove, avoiding self-rotation of the abutting cylinder after being limited.

[0019] Compared with the prior art, the advantages and positive effects of the utility model lie in that:

[0020] In the utility model, the outer surface of the rubber plug body can be divided into multiple layers by setting the sealing ring, the surface contact friction is improved, the abrasion caused by sliding between the rubber plug body and objects during transportation is reduced, the space for possible corrosion during storage is reserved, the influence of errors existing during production is reduced, the use of the rubber plug body is facilitated, the rubber plug body can be closely fitted with the inner wall of the pneumatic syringe tube during later use, the use of the pneumatic syringe is avoided, the speed of the rubber plug body sliding on the inner wall of the pneumatic syringe tube is reduced, and the injection amount of the medicament is facilitated to be controlled.

[0021] By setting the adjusting and supporting device, the inner wall of the rubber plug body can be supported and reinforced, the close fitting degree with the inner wall of the pneumatic syringe tube is improved, the use of the starting syringe is avoided, the speed of the rubber plug body sliding on the inner wall of the pneumatic syringe tube is reduced, and the injection amount of the medicament is facilitated to be controlled. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0023] Figure 2 It is a plane structure schematic diagram of the rubber plug body of the utility model; It is a three-dimensional structure schematic diagram of the utility model;

[0024] Figure 3 This is a three-dimensional structural diagram of the groove in this utility model;

[0025] Figure 4 This is a three-dimensional structural diagram of the contact tube of this utility model;

[0026] Figure 5 for Figure 4 A three-dimensional schematic diagram of the middle section.

[0027] Legend: 1. Rubber stopper body; 2. Sealing ring; 3. Groove; 4. Pneumatic injector tube; 5. Adjustment support device; 6. Protrusion; 51. Slide groove; 52. Limiting groove; 53. Slot; 54. Abutment cylinder; 55. Slide rod; 56. Round hole block; 57. Round rod; 58. Support block; 59. Abutment block; 510. Spring; 511. Reinforcing rod; 512. Round roller; 513. Tightening block. Detailed Implementation

[0028] Example 1, as Figures 1-5 As shown, a rubber stopper for a pneumatic injector includes a stopper body 1 disposed inside a pneumatic injector tube 4. Several sealing rings 2 are fixedly connected to the outer surface of the stopper body 1. A groove 3 is formed on one side of the stopper body 1, and several protrusions 6 are fixedly connected to another side of the stopper body 1. The dimension of the end of the stopper body 1 furthest from the inlet of the groove 3 is smaller than the dimension of the other end. The sealing rings 2 divide the outer surface of the stopper body 1 into multiple layers, increasing the surface contact friction and reducing wear caused by sliding between the stopper body and objects during transportation. They also provide space for potential corrosion during storage and reduce the impact of production errors. This facilitates the use of the stopper body 1, allowing it to fit snugly against the inner wall of the pneumatic injector tube 4 during later use, preventing interference with the operation of the pneumatic injector. Furthermore, it reduces the sliding speed of the stopper body 1 against the inner wall of the pneumatic injector tube 4, making it easier to control the injection volume of the drug.

[0029] Reference Figures 1-5As shown, the embodiment discloses that the inner wall of the rubber plug body 1 is provided with an adjusting and supporting device 5, the adjusting and supporting device 5 comprises an abutting cylinder 54, the abutting cylinder 54 is inserted into the inner wall of the groove 3, the inner wall of the groove 3 is symmetrically provided with a sliding groove 51, a plurality of limiting grooves 52 are formed on one side of the inner wall of the sliding groove 51, a clamping groove 53 is formed on one side of the limiting groove 52, one end of the abutting cylinder 54 is fixedly connected with a sliding rod 55, the sliding rod 55 is inserted into the inner wall of the sliding groove 51, the limiting groove 52 and the clamping groove 53, a plurality of round hole blocks 56 are fixedly connected with the inner wall of the rubber plug body 1, a round rod 57 is slidably connected with the inner wall of the round hole block 56, one end of the round rod 57 is fixedly connected with a supporting block 58, one end of the round rod 57 is fixedly connected with an abutting block 59, one side of the abutting block 59 is in abutment with the outer surface of one end of the abutting cylinder 54, the outer surface of one end of the round rod 57 is sleeved with a spring 510, and the two ends of the spring 510 are fixedly connected with one side of the abutting block 59 and the round hole block 56 respectively. When the rubber plug body 1 is installed in the inner wall of the pneumatic injector tube 4 for use, according to the degree of adhesion between the outer surface of the rubber plug body 1 and the inner wall of the pneumatic injector tube 4, the abutting cylinder 54 can be manually pressed to drive the sliding rod 55 to slide downward in the groove 3 and the sliding groove 51 to a certain position, and then one end of the abutting cylinder 54 is in abutment to drive the abutting block 59 to move to one side, the round rod 57 is pushed to slide to one side in the round hole block 56, the spring 510 is contracted, and the supporting block 58 is pushed to support in the inner wall of the groove 3, so that the rubber plug body 1 is extruded, the outer surface of the rubber plug body 1 is tightly attached to the inner wall of the pneumatic injector tube 4, gaps are avoided, then the abutting cylinder 54 is rotated to drive the sliding rod 55 to be clamped into the corresponding limiting groove 52 and clamping groove 53 for limiting, so that the rubber plug body 1 can be limited after being attached to the inner wall of the pneumatic injector tube 4, the adhesion between the two is improved, the use of the starting injector is not affected, and the sliding speed of the rubber plug body 1 in the inner wall of the pneumatic injector tube 4 can be reduced, so that the injection amount of the medicine can be controlled.

[0030] Referring to Figures 1-5 As shown, the embodiment discloses that one end of the outer surface of the round rod 57 is fixedly connected with a plurality of reinforcing rods 511, and one end of the reinforcing rod 511 is fixedly connected with one side of the supporting block 58. By arranging the reinforcing rod 511, the connection area between the round rod 57 and the supporting block 58 can be increased, so that the connection is more firm and stable and is not easy to be damaged. One side of the abutting block 59 is rotatably connected with a plurality of round rollers 512, and the outer surface of the round roller 512 is rotatably connected with the outer surface of one end of the abutting cylinder 54. By arranging the round roller 512, the contact friction between the abutting cylinder 54 and the abutting block 59 can be reduced, the abutting block 59 can be easily extruded and pushed, and the operation is convenient.

[0031] Referring to Figures 1-5As shown, the embodiment discloses that one end of the abutting cylinder 54 is fixedly connected with a plurality of twisting blocks 513, and the plurality of twisting blocks 513 are arranged at equal distances. By arranging the twisting blocks 513, the contact area of one end of the abutting cylinder 54 can be increased, and the abutting cylinder 54 can be conveniently pushed and rotated manually. The cross section of the supporting block 58 is in the shape of a circular arc, and the supporting block 58 is arranged on the side of the circular rod 57 away from the abutting block 59. By arranging the supporting block 58 in the shape of a circular arc, the outer surface of the supporting block 58 can be more closely fitted with the inner wall of the rubber plug body 1, so that when the rubber plug body 1 is supported, the rubber plug body 1 can be more closely fitted with the inner wall of the pneumatic syringe tube 4.

[0032] Referring to Figures 1-5 As shown, the embodiment discloses that the height dimension of the limiting groove 52 is smaller than the diameter dimension of the sliding rod 55, and the diameter dimension of the sliding rod 55 is consistent with the width dimension of the sliding groove 51 and the diameter dimension of the clamping groove 53. By arranging the height dimension of the limiting groove 52 to be smaller than the width of the sliding groove 51 and the diameter dimension of the clamping groove 53, when the sliding rod 55 is slid in the sliding groove 51 to a certain position and needs to be clamped into the corresponding clamping groove 53, the rubber plug body 1 has a certain elasticity and can be squeezed and opened by the point force, and then the sliding rod 55 can be clamped into the corresponding clamping groove 53. In this way, the sliding rod 55 is not easy to slide out of the clamping groove 53, and the abutting cylinder 54 is prevented from rotating.

[0033] Working principle, the sealing ring 2 can divide the outer surface of the rubber plug body 1 into multiple layers, improve the surface contact friction, reduce the wear caused by sliding between objects during transportation, and also reserve space for possible corrosion during storage. At the same time, it can also reduce the influence of errors existing in production, facilitate the use of the rubber plug body 1, make it closely fitted with the inner wall of the pneumatic syringe tube 4 in the later use, avoid affecting the use of the pneumatic syringe, and at the same time, reduce the sliding speed of the rubber plug body 1 on the inner wall of the pneumatic syringe tube 4, and facilitate the control of the injection amount of the medicament.

[0034] When the rubber plug body 1 is installed in the inner wall of the pneumatic injector tube 4 for use, according to the degree of adhesion between the outer surface of the rubber plug body 1 and the inner wall of the pneumatic injector tube 4, the abutting cylinder 54 can be manually pressed to drive the sliding rod 55 to slide downward in the groove 3 and the sliding groove 51 to a certain position, then one end of the abutting block 59 is pushed to move to one side, the round rod 57 is pushed to slide in the round hole block 56 to one side, so that the spring 510 is contracted, at the same time, the supporting block 58 is pushed to support in the inner wall of the groove 3, the rubber plug body 1 is extruded, the outer surface of the rubber plug body 1 is tightly attached to the inner wall of the pneumatic injector tube 4, so as to avoid the gap, then the rotating abutting cylinder 54 drives the sliding rod 55 to be clamped into the corresponding limiting groove 52 and the clamping groove 53 for limiting, so that the rubber plug body 1 can be limited after being attached to the inner wall of the pneumatic injector tube 4, the adhesion between the two is improved, the use of the starting injector is not affected, at the same time, the sliding speed of the rubber plug body 1 in the inner wall of the pneumatic injector tube 4 can be reduced, so as to facilitate the control of the injection amount of the medicine.

Claims

1. A pneumatic syringe rubber plug comprising a rubber plug body (1) arranged inside a pneumatic syringe tube (4), characterized in that: The outer surface of the rubber plug body (1) is fixedly connected with a plurality of sealing rings (2), one side of the rubber plug body (1) is provided with a groove (3), and one side of the rubber plug body (1) is fixedly connected with a plurality of protrusions (6).

2. A gas dynamic syringe rubber stopper according to claim 1, characterized in that: The inner wall of the rubber plug body (1) is provided with an adjusting and supporting device (5), the adjusting and supporting device (5) comprises an abutting cylinder (54), the abutting cylinder (54) is inserted into the inner wall of the groove (3), the inner wall of the groove (3) is symmetrically provided with a sliding groove (51), a plurality of limiting grooves (52) are formed in one side of the inner wall of the sliding groove (51), a clamping groove (53) is formed in one side of the limiting groove (52), one end of the abutting cylinder (54) is fixedly connected with a sliding rod (55) on the outer surface, the sliding rod (55) is inserted into the inner wall of the sliding groove (51), the limiting groove (52) and the clamping groove (53), a plurality of circular hole blocks (56) are fixedly connected to the inner wall of the rubber plug body (1), a circular rod (57) is slidably connected to the inner wall of the circular hole block (56), one end of the circular rod (57) is fixedly connected with a supporting block (58), one end of the circular rod (57) is fixedly connected with an abutting block (59), one side of the abutting block (59) abuts against the outer surface of one end of the abutting cylinder (54), and a spring (510) is connected to the outer surface of one end of the circular rod (57).

3. A gas dynamic syringe rubber stopper according to claim 2, characterized in that: One end of the abutting block (59) is rotatably connected with a plurality of circular rollers (512), and the outer surface of the circular roller (512) is rotatably connected with the outer surface of one end of the abutting cylinder (54).

4. A gas dynamic syringe rubber stopper according to claim 2, wherein: One end of the abutting block (59) is rotatably connected with a plurality of circular rollers (512), and the outer surface of the circular roller (512) is rotatably connected with the outer surface of one end of the abutting cylinder (54).

5. A gas dynamic syringe rubber stopper according to claim 2, wherein: The outer surface of one end of the abutting cylinder (54) is fixedly connected with a plurality of twisting blocks (513), and the plurality of twisting blocks (513) are arranged at equal distances.

6. A gas dynamic syringe rubber stopper according to claim 2, wherein: The cross section of the supporting block (58) is in the shape of a circular arc, and the supporting block (58) is arranged on one side of the circular rod (57) away from the abutting block (59).

7. A gas dynamic syringe rubber stopper according to claim 2, wherein: The height of the limiting groove (52) is smaller than the diameter of the sliding rod (55), and the diameter of the sliding rod (55) is consistent with the width of the sliding groove (51) and the diameter of the clamping groove (53).

Images