Handle type syringe rubber plug

Abstract

The utility model provides a handle type syringe rubber plug, and relates to the technical field of handle type syringe rubber plugs, the handle type syringe rubber plug comprises two groove blocks and a pull block, during injection, a push rod is pushed to drive a rubber plug main body to abut against one side of the inner wall of a handle type syringe, and then the pull block is pulled out. A certain gap can be formed between the rubber plug main body and the handle type injector through the convex block, so that the situation that negative pressure occurs in the handle type injector is avoided, the possibility that the rubber plug main body is adsorbed in the handle type injector is reduced, the rubber plug main body is conveniently taken out, and the influence on later treatment of the handle type injector is avoided; the push rod and the rubber plug body can be secondarily limited, so that when the rubber plug body needs to be taken out when the push rod is pulled, the rubber plug body is not prone to falling off at one end of the push rod, the situation that the rubber plug body is left in the handle type injector is avoided, and later treatment of the handle type injector is not affected after injection is completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to handle formula syringe rubber plug technical field especially, a kind of handle formula syringe rubber plug. BACKGROUND

[0002] Handle formula syringe rubber plug is important component in handle formula syringe, it plays multiple roles such as sealing, fixed, control liquid flow.

[0003] When placing in handle formula syringe inside using when setting rubber plug main body on the one end of push rod, when injecting after adsorbing medicament into handle formula syringe inside, push rod is pushed to drive rubber plug main body to slide in the inner wall of handle formula syringe to one end, medicament is pushed into the body of animal, so that it is injected, after injection, after medicament is excluded, it can cause that there is air pressure difference between handle formula syringe inside and outside, so that internal negative pressure state is caused to cause rubber plug main body one side and handle formula syringe inner wall one side adsorption, so that when pulling push rod, it can cause that push rod and rubber plug main body fall off, so that rubber plug main body is stranded in handle formula syringe inside, it is not convenient to take out, affect handle formula syringe later processing. UTILITARY MODEL CONTENT

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

[0005] In order to achieve the above object, the utility model adopts the following technical scheme: a handle formula syringe rubber plug, rubber plug main body is arranged in handle formula syringe inside, the inner wall of rubber plug main body is provided with push rod, the outer surface of rubber plug main body is fixedly connected with a plurality of sealing rings, and the side of rubber plug main body is fixedly connected with a plurality of bosses.

[0006] The effect reached by the above components is that: when placing in handle formula syringe inside using when setting rubber plug main body on the one end of push rod, sealing ring can increase the contact friction force between rubber plug main body and the inner wall of handle formula syringe, so that it is more tightly sealed, after push rod is pushed to drive rubber plug main body to abut to the inner wall side of handle formula syringe when injecting, boss can make that there is certain gap between rubber plug main body and handle formula syringe, avoid that internal negative pressure occurs in handle formula syringe, reduce the possibility that rubber plug main body is adsorbed in handle formula syringe, convenient to take out, avoid affecting handle formula syringe later processing.

[0007] Preferably, a limiting device is arranged between one side of the rubber plug body and the outer surface of the push rod, the limiting device comprises two recess blocks and a pull block, the outer surface of one end of the push rod is symmetrically provided with a clamping groove, one side of the recess block is fixedly connected with one side of the rubber plug body, the inner wall of the recess block is rotatably connected with a limiting rod, the limiting rod is inserted into the inner wall of the clamping groove, one side of the rubber plug body is symmetrically provided with a sliding groove, the inner wall of the sliding groove is fixedly connected with a spring on one side, one end of the spring is fixedly connected with a sliding block, the sliding block is slidably connected with the sliding groove, and one side of the sliding block abuts against one side of the limiting rod.

[0008] The above-mentioned component achieves the effect that: by arranging the limiting device, when the inner wall of the rubber plug body is sleeved on one end of the push rod for use, first manually slide the sliding block in the inner wall of the sliding groove to a certain position to compress the spring, then rotate the limiting rod in the inner wall of the recess block to a certain angle, and then insert one end of the limiting rod into the inner wall of the clamping groove, release the sliding block, and under the restoring action of the spring, slide the sliding block in the sliding groove to a certain position to abut against the limiting rod, fix the limiting rod in the clamping groove, and then position the push rod and the rubber plug body again, so that the rubber plug body is not easy to fall off from one end of the push rod when the push rod is pulled to take out the rubber plug body, avoiding the situation that the rubber plug body is left in the hand-held syringe, and affecting the later treatment of the hand-held syringe after injection.

[0009] Preferably, the two sides of the sliding block are fixedly connected with limiting blocks, and the inner wall of the sliding groove is provided with limiting grooves on both sides.

[0010] The above-mentioned component achieves the effect that: by arranging the limiting blocks and the limiting grooves, the two sides of the sliding block are limited, so that the sliding block is not easy to shake when sliding in the inner wall of the sliding groove.

[0011] Preferably, the inner wall of the sliding groove is fixedly connected with an extension rod on one side, one end of the extension rod is fixedly connected with one side of the sliding block, and the outer surface of the extension rod is sleeved with the inner wall of the spring.

[0012] The above-mentioned component achieves the effect that: by arranging the extension rod, the inner wall of the spring is supported and reinforced, so that the spring is not easy to be damaged, and the service life is improved.

[0013] Preferably, the two ends of the pull block are fixedly connected with the two sliding blocks on one side, respectively, and the cross section of the pull block is in U shape.

[0014] The above-mentioned component achieves the effect that: by arranging the pull block, the two sliding blocks are connected, and the two sliding blocks can be operated at the same time by pulling the pull block, which is convenient for sliding.

[0015] Preferably, the limiting rod is fixedly connected with a plurality of anti-skid strips on both sides, and the anti-skid strips are made of rubber.

[0016] The effect achieved by the above-mentioned components is that the anti-skid strips can increase the contact friction on both sides of the limiting rod, so that the limiting rod is more firmly clamped in the clamping groove and is less likely to shake.

[0017] Preferably, the limiting rod is fixedly connected with a plurality of anti-skid strips on both sides, and the anti-skid strips are made of rubber.

[0018] The effect achieved by the above-mentioned components is that the anti-skid strips can increase the contact friction on both sides of the limiting rod, so that the limiting rod is more firmly clamped in the clamping groove and is less likely to shake.

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

[0020] In the utility model, when injection, the convex block can make a gap between the rubber plug body and the handle type injector, avoid the negative pressure in the handle type injector, reduce the possibility of the rubber plug body being adsorbed in the handle type injector, facilitate taking out, avoid affecting the later treatment of the handle type injector, set the limiting device, the push rod and the rubber plug body are limited twice, so that the rubber plug body is not easy to fall off on one end of the push rod when pulling the push rod to take out the rubber plug body, avoid the rubber plug body being stranded in the handle type injector, and the later treatment of the handle type injector is not affected after injection. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0022] Figure 2 It is a plane structure schematic view of the rubber plug body of the utility model;

[0023] Figure 3 It is a three-dimensional structure schematic view of the push rod of the utility model;

[0024] Figure 4 It is Figure 3 It is an enlarged three-dimensional structure schematic view of A in the utility model.

[0025] Legend: 1, rubber plug body; 2, sealing ring; 3, convex block; 4, push rod; 5, limiting device; 51, clamping groove; 52, recess block; 53, limiting rod; 54, sliding groove; 55, spring; 56, sliding block; 57, limiting block; 58, limiting groove; 59, telescopic rod; 510, pull block; 511, anti-skid strip; 512, bearing. DETAILED DESCRIPTION

[0026] As shown in Figures 1-4 The handle type syringe rubber plug comprises a handle type syringe internally provided with a rubber plug body 1, the inner wall of the rubber plug body 1 is provided with a push rod 4, the outer surface of the rubber plug body 1 is fixedly connected with a plurality of sealing rings 2, and the side of the rubber plug body 1 is fixedly connected with a plurality of protruding blocks 3. When the rubber plug body 1 is sleeved on one end of the push rod 4 and placed in the handle type syringe for use, the sealing ring 2 can increase the contact friction between the rubber plug body 1 and the inner wall of the handle type syringe, so that the rubber plug body 1 is more tightly sealed. When injecting, after the push rod 4 drives the rubber plug body 1 to abut against one side of the inner wall of the handle type syringe, the protruding block 3 can make the rubber plug body 1 and the handle type syringe have a certain gap, so as to avoid the negative pressure in the handle type syringe and reduce the possibility of the rubber plug body 1 being adsorbed in the handle type syringe, thereby facilitating the removal of the rubber plug body 1 and avoiding affecting the later treatment of the handle type syringe.

[0027] Referring to Figures 1-4 The embodiment discloses that a limiting device 5 is arranged between the side of the rubber plug body 1 and the outer surface of the push rod 4, the limiting device 5 comprises two recessed block 52 and pull block 510, the outer surface of one end of the push rod 4 is symmetrically provided with a clamping groove 51, one side of the recessed block 52 is fixedly connected with one side of the rubber plug body 1, the inner wall of the recessed block 52 is rotationally connected with a limiting rod 53, the limiting rod 53 is inserted in the inner wall of the clamping groove 51, one side of the rubber plug body 1 is symmetrically provided with a sliding groove 54, the inner wall of the sliding groove 54 is fixedly connected with a spring 55 on one side, one end of the spring 55 is fixedly connected with a sliding block 56, the sliding block 56 is slidingly connected with the sliding groove 54, and one side of the sliding block 56 is in abutment with one side of the limiting rod 53. When the inner wall of the rubber plug body 1 is sleeved on one end of the push rod 4 for use, first manually slide the sliding block 56 in the inner wall of the sliding groove 54 to a certain position, drive the spring 55 to be compressed, then rotate the limiting rod 53 in the inner wall of the recessed block 52 to a certain angle, insert one end of the limiting rod 53 into the inner wall of the clamping groove 51, release the sliding block 56, and under the reset action of the spring 55, drive the sliding block 56 to slide to a certain reset position in the sliding groove 54, so that one side of the sliding block 56 is in abutment with the limiting rod 53, and the limiting rod 53 is inserted in the clamping groove 51 and fixed. The push rod 4 and the rubber plug body 1 are secondarily limited, so that the rubber plug body 1 is not easy to fall off from one end of the push rod 4 when the push rod 4 is pulled to remove the rubber plug body 1, the rubber plug body 1 is prevented from being retained in the handle type syringe, and the later treatment of the handle type syringe is not affected after the injection is completed.

[0028] Referring to Figures 1-4As shown, the embodiment discloses that the two sides of the sliding block 56 are fixedly connected with limiting blocks 57, the inner walls of the sliding groove 54 are provided with limiting grooves 58 on the two sides, and the limiting blocks 57 and the limiting grooves 58 are in sliding connection. By setting the limiting blocks 57 and the limiting grooves 58, the two sides of the sliding block 56 can be limited, so that it is not easy to shake when sliding in the inner wall of the sliding groove 54. The inner wall of the sliding groove 54 is fixedly connected with an extension rod 59, one end of the extension rod 59 is fixedly connected with one side of the sliding block 56, and the outer surface of the extension rod 59 is connected with the inner wall of the spring 55. By setting the extension rod 59, the inner wall of the spring 55 can be supported and reinforced, so that it is not easy to be damaged, and the service life is improved.

[0029] Referring to Figures 1-4 As shown, the embodiment discloses that the two ends of the pull block 510 are fixedly connected with one side of the two sliding blocks 56 respectively, and the cross section of the pull block 510 is in U shape. By setting the pull block 510, the two sliding blocks 56 can be connected, and pulling the pull block 510 can operate the two sliding blocks 56 at the same time, which is convenient for sliding. The two sides of the limiting rod 53 are fixedly connected with a plurality of anti-skid strips 511, and the anti-skid strips 511 are made of rubber. By setting the anti-skid strips 511, the contact friction force on the two sides of the limiting rod 53 can be increased, so that it is more firm after being clamped into the clamping groove 51 and is not easy to shake.

[0030] Referring to Figures 1-4 As shown, the embodiment discloses that the outer surfaces of the two sides of one end of the limiting rod 53 are fixedly connected with bearings 512, and the outer rings of the bearings 512 are fixedly connected with the inner walls of the two sides of the recess block 52. By setting the bearings 512, the rotating wear between the limiting rod 53 and the recess block 52 can be reduced, and the service life of the two is improved.

[0031] When the rubber plug body 1 is sleeved on one end of the push rod 4 and placed in the handle type syringe for use, the sealing ring 2 can increase the contact friction force between the rubber plug body 1 and the inner wall of the handle type syringe, so that the sealing is more tightly fitted. When injecting, after the push rod 4 drives the rubber plug body 1 to abut to one side of the inner wall of the handle type syringe, the convex block 3 can make a certain gap exist between the rubber plug body 1 and the handle type syringe, avoid the negative pressure in the handle type syringe, reduce the possibility of the rubber plug body 1 being adsorbed in the handle type syringe, facilitate taking out, and avoid affecting the later treatment of the handle type syringe.

[0032] In the use of the inner wall of the rubber plug body 1 is sleeved on one end of the push rod 4, first manually sliding the slider 56 in the inner wall of the sliding groove 54 to a certain position, drive the spring 55 is compressed, at this time in the manual limit rod 53 is rotated to a certain angle in the inner wall of the recess block 52 after, make its one end is inserted into the inner wall of the card slot 51, loosen the slider 56, under the action of spring 55 reset, can drive the slider 56 in the sliding groove 54 to a certain reset sliding, make its one side abuts on the limit rod 53, after its insertion in the card slot 51 fixed, to the push rod 4 and rubber plug body 1 for secondary limiting, so in the pull of the push rod 4 need to take out the rubber plug body 1, the rubber plug body 1 is not easy to fall off on one end of the push rod 4, avoid the rubber plug body 1 lingers in the handle type syringe inside the situation appears, make its injection is completed after not influence handle type syringe later processing.

Claims

1. A rubber stopper for a handle-type syringe, comprising a rubber stopper body (1) disposed inside the handle-type syringe, characterized in that: The inner wall of the rubber stopper body (1) is provided with a push rod (4), and a number of sealing rings (2) are fixedly connected to the outer surface of the rubber stopper body (1). A number of protrusions (3) are fixedly connected to one side of the rubber stopper body (1).

2. The rubber stopper of a handle-type syringe according to claim 1, characterized in that: A limiting device (5) is provided between one side of the rubber stopper body (1) and the outer surface of the push rod (4). The limiting device (5) includes two groove blocks (52) and a pull block (510). A slot (51) is symmetrically opened on the outer surface of one end of the push rod (4). One side of the groove block (52) is fixedly connected to one side of the rubber stopper body (1). A limiting rod (53) is rotatably connected to the inner wall of the groove block (52). The limiting rod (53) is inserted into the inner wall of the slot (51). A sliding groove (54) is symmetrically opened on one side of the rubber stopper body (1). A spring (55) is fixedly connected to one side of the inner wall of the sliding groove (54). A slider (56) is fixedly connected to one end of the spring (55). The slider (56) is slidably connected to the sliding groove (54). One side of the slider (56) abuts against one side of the limiting rod (53).

3. The rubber stopper of a handle-type syringe according to claim 2, characterized in that: Limiting blocks (57) are fixedly connected to both sides of the slider (56), and limiting grooves (58) are opened on both sides of the inner wall of the slide (54). The limiting blocks (57) and the limiting grooves (58) are slidably connected.

4. The rubber stopper of a handle-type syringe according to claim 2, characterized in that: A telescopic rod (59) is fixedly connected to one side of the inner wall of the slide (54). One end of the telescopic rod (59) is fixedly connected to one side of the slider (56). The outer surface of the telescopic rod (59) is sleeved and connected to the inner wall of the spring (55).

5. The rubber stopper of a handle-type syringe according to claim 2, characterized in that: The two ends of the pull block (510) are fixedly connected to one side of the two sliders (56), and the cross-section of the pull block (510) is U-shaped.

6. The rubber stopper of a handle-type syringe according to claim 2, characterized in that: Several anti-slip strips (511) are fixedly connected to both sides of the limiting rod (53), and the anti-slip strips (511) are made of rubber.

7. The rubber stopper of a handle-type syringe according to claim 2, characterized in that: The outer surfaces of both sides of one end of the limiting rod (53) are fixedly connected with bearings (512), and the outer ring of the bearing (512) is fixedly connected to the inner walls of the groove block (52).

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