CN209967287U - Syringe needle sleeve device for preventing fish body from being injured by mistake - Google Patents
Syringe needle sleeve device for preventing fish body from being injured by mistake Download PDFInfo
- Publication number
- CN209967287U CN209967287U CN201920044751.1U CN201920044751U CN209967287U CN 209967287 U CN209967287 U CN 209967287U CN 201920044751 U CN201920044751 U CN 201920044751U CN 209967287 U CN209967287 U CN 209967287U
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- China
- Prior art keywords
- wall
- sleeve
- syringe needle
- block
- needle
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Abstract
The utility model relates to the technical field of syringes, and a prevent accidentally injuring syringe needle sleeve device of fish body is disclosed, including depression bar, adjustment mechanism, cylinder and bottom, adjustment mechanism includes sleeve, pull rod, connecting block, fixed block, fixture block and spring, and the depression bar bottom is connected with the carriage release lever, and inside the cylinder top extended to the cylinder was run through to the carriage release lever bottom, the carriage release lever bottom was connected with the piston. The utility model discloses a set up adjustment mechanism, utilize the pulling pull rod, drive the connecting rod motion to take out the fixture block from the draw-in groove is inside, remove the sleeve to suitable position, with the fixture block under the effect of spring, inside the draw-in groove was advanced to the card, thereby reached according to different varieties, the fish of equidimension not, the purpose of distance between adjusting sleeve bottom to the syringe needle bottom, it is fixed to have solved the distance between current sleeve bottom and the syringe needle bottom, leads to being difficult to satisfy the problem that various varieties, the fish of size used.
Description
Technical Field
The utility model relates to the technical field of syringes, in particular to a syringe needle sleeve device for preventing fish from being injured by mistake.
Background
In the experiment processes of fish body immunization or large-scale injection of medicines, germs and the like, a disposable or continuous injector is required. The existing syringe needles are long and very sharp, and in the process of batch injection, because of the difference of injection positions, uneven force exertion of operators and the like, the needles are often inserted into the belly of a fish body or the back of the fish body too deep in the injection process, so that the fish body is greatly injured, particularly young fish. The sleeve device is added outside the needle head to prevent the needle head from being inserted into the belly or back of a fish body in the injection process, so that the fish body is greatly injured, but the distance between the bottom of the sleeve device and the bottom of the needle head is fixed, so that the fish in various varieties and sizes cannot be met, and the practicability is not high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prevent accidentally injuring syringe needle cover device of fish body, reach the purpose of avoiding injuring the fish body.
In order to achieve the above object, the utility model provides a following technical scheme: a syringe needle sleeve device for preventing fish from being mistakenly injured comprises a pressure rod, an adjusting mechanism, a needle cylinder and a bottom cover, wherein the adjusting mechanism comprises a sleeve, a pull rod, a connecting block, a fixing block, a clamping block and a spring, a moving rod is connected to the bottom of the pressure rod, the bottom of the moving rod penetrates through the top of the needle cylinder and extends into the needle cylinder, a piston is connected to the bottom of the moving rod, the outer wall of the piston is in sealing contact with the inner wall of the needle cylinder, a needle is clamped at the bottom of the needle cylinder, the sleeve is sleeved outside the needle, the outer wall of the needle cylinder is connected with the side wall of the fixing block, a clamping groove is formed in one side, away from the needle cylinder, of the fixing block, the pull rod is located outside the sleeve, one side of the pull rod is connected with one end, one side, close to the connecting rod, of each clamping block is connected with one end of each spring, the other end of each spring is connected with the inner wall of the corresponding sleeve, the springs are annularly arranged on the surfaces of the connecting rods, the number of the fixing blocks is eight, the fixing blocks are evenly distributed on the two sides of the side wall of the needle cylinder, the number of the pull rods is two, and the two pull rods are located on the two sides of the corresponding sleeve respectively.
Preferably, the outside cover of syringe needle is equipped with the annular block, annular block inner wall is connected with syringe needle lateral wall top, the outside cover of annular block is equipped with the snap ring, the ring channel has been seted up to the snap ring inner wall, ring channel inner wall and the contact of annular block outer wall, syringe needle top outer wall and the contact of snap ring inner wall.
Preferably, the movable groove has been seted up to the sleeve inside, the snap ring outer wall is connected with the connecting block lateral wall, the connecting block opposite side runs through the movable groove notch and extends to the movable inslot, and the connecting block that is located the movable inslot is positive and the back all contacts with the movable groove cell wall.
Preferably, the equal opening setting in sleeve top bottom, sleeve inner wall top bonds and has sealed the pad, sealed pad is the ring form, sealed pad inner wall and cylinder outer wall sealing contact, sleeve bottom annular bonding has the blotter.
Preferably, the outer wall of the bottom cover is provided with a first thread, and the bottom of the inner wall of the sleeve is provided with a second thread connected with the first thread.
Preferably, the needle tip, the snap ring and the annular block are all comprised of plastic.
The utility model provides a syringe needle sleeve device for preventing fish from being injured by mistake. The method has the following beneficial effects:
(1) the utility model discloses a set up adjustment mechanism, utilize the pulling pull rod, drive the connecting rod motion to take out the fixture block from the draw-in groove is inside, remove the sleeve to suitable position, with the fixture block under the effect of spring, inside the draw-in groove was advanced to the card, thereby reached according to different varieties, the fish of equidimension not, the purpose of distance between adjustment sleeve bottom to the syringe needle bottom, it is fixed to have solved the distance between current sleeve bottom and the syringe needle bottom, leads to being difficult to satisfy the problem that various varieties, the fish of size used.
(2) The utility model discloses a bottom and sleeve bottom can threaded connection, and syringe needle top, snap ring and annular piece constitute by plastics to and the sealed pad at top has the plastic deformation nature, with the fixture block from the draw-in groove inside when taking out, can take out the sleeve from, disinfect again, reach the sleeve and can repetitious usage, practiced thrift the purpose of resource.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of A in FIG. 1;
fig. 3 is a top view of the sleeve of the present invention;
fig. 4 is a top cross-sectional view of the needle and snap ring of the present invention.
In the figure: 1 compression bar, 2 adjusting mechanisms, 201 sleeves, 202 pull rods, 203 connecting rods, 204 connecting blocks, 205 fixing blocks, 206 clamping blocks, 207 springs, 3 syringes, 4 moving rods, 5 pistons, 6 needles, 7 buffer pads, 8 sealing gaskets, 9 clamping rings, 10 moving grooves, 11 bottom covers, 12 clamping grooves, 13 annular grooves and 14 annular blocks.
Detailed Description
As shown in fig. 1-4, the utility model provides a technical solution: a syringe needle sleeve device for preventing fish from being injured by mistake comprises a pressure lever 1, an adjusting mechanism 2, a needle cylinder 3 and a bottom cover 11, wherein the adjusting mechanism 2 comprises a sleeve 201, a pull rod 202, a connecting rod 203, a connecting block 204, a fixing block 205, a clamping block 206 and a spring 207, the bottom of the pressure lever 1 is fixedly connected with a moving rod 4, the bottom of the moving rod 4 penetrates through the top of the needle cylinder 3 and extends into the needle cylinder 3, the bottom of the moving rod 4 is bonded with a piston 5, the outer wall of the piston 5 is in sealing contact with the inner wall of the needle cylinder 3, the bottom of the needle cylinder 3 is clamped with a needle 6, the sleeve 201 is sleeved outside the needle 6, the outer wall of the needle cylinder 3 is fixedly connected with the side wall of the fixing block 205, one side of the fixing block 205, which is far away from the needle cylinder 3, is provided with a clamping groove, the size of the fixture block 206 is matched with the size of the clamping groove 12, the outer wall of the fixture block 206 is in contact with the wall of the clamping groove 12, one side of the fixture block 206, which is close to the connecting rod 203, is fixedly connected with one end of the spring 207, the other end of the spring 207 is fixedly connected with the inner wall of the sleeve 201, the spring 207 is annularly arranged on the surface of the connecting rod 203, the number of the fixed blocks 205 is eight, the eight fixed blocks 205 are evenly distributed on two sides of the side wall of the needle cylinder 3, the number of the pull rods 202 is two, the two pull rods 202 are respectively positioned on two sides of the sleeve 201, the outer part of the needle 6 is sleeved with the annular block 14, the inner wall of the annular block 14 is fixedly connected with the top of the needle 6, the outer part of the annular block 14 is sleeved with the snap ring 9, the inner wall, the other side of the connecting block 204 penetrates through the notch of the moving groove 10 and extends into the moving groove 10, the front side and the back side of the connecting block 204 positioned in the moving groove 10 are in contact with the wall of the moving groove 10, the bottom of the top of the sleeve 201 is provided with an opening, the top of the inner wall of the sleeve 201 is adhered with the sealing gasket 8, the sealing gasket 8 is in a circular ring shape, the inner wall of the sealing gasket 8 is in sealing contact with the outer wall of the needle cylinder 3, the bottom of the sleeve 201 is adhered with the buffer cushion 7 in a circular ring shape, the outer wall of the bottom cover 11 is provided with a first thread, the bottom of the inner wall of the sleeve 201 is provided with a second thread connected with the first thread, the top of the needle 6, the snap ring 9 and the circular ring block 14 are all made of plastic, through the adjusting mechanism 2, the pull rod 202 is pulled to drive, thereby reached according to different cultivars, the fish of equidimension not, adjust the purpose of sleeve 201 bottom to the distance between the 6 bottoms of syringe needle, can threaded connection bottom 11 and sleeve 201 through setting up, syringe needle 6 top, snap ring 9 and annular piece 14 comprise by plastics, syringe needle 6 top, snap ring 9 and annular piece 14 and the sealed pad 8 at top all have the plastic deformation nature, when drawing fixture block 206 out from draw-in groove 12 is inside, can take sleeve 201 out, disinfect again, reach sleeve 201 and can repetitious usage, the purpose of resource has been practiced thrift.
When the fish catching device is used, the bottom cover 11 is rotated out from the bottom of the sleeve 201, the pull rod 202 is pulled, the clamping block 206 is pulled out from the inside of the clamping groove 12, then according to different specifications, fishes of different sizes select the clamping groove 12 at the non-through position, the pull rod 202 is loosened, the clamping block 206 is clamped into the clamping groove 12 under the action of the spring 207, and therefore the distance between the bottom of the sleeve 201 and the bottom of the needle 6 is adjusted.
To sum up, the utility model discloses a set up adjustment mechanism 2, utilize pulling pull rod 202, drive connecting rod 203 to move, thereby draw out fixture block 206 from the inside of draw-in groove 12, remove sleeve 201 to suitable position, with fixture block 206 under the effect of spring 207, block into the inside of draw-in groove 12, thereby reach according to different varieties, the fish of different sizes, the purpose of adjusting the distance between the bottom of sleeve 201 and the bottom of syringe needle 6, solved the distance between current sleeve 201 bottom and syringe needle 6 bottom and fixed, lead to being difficult to satisfy the various varieties, the problem that the fish of size used, through setting up bottom 11 and sleeve 201 bottom can be threaded connection, syringe needle 6 top, snap ring 9 and annular piece 14 all have the plasticity, syringe needle 6 top, snap ring 9 and annular piece 14 and the sealed pad 8 at top all have the plasticity, when drawing out fixture block 206 from the inside of draw-in groove 12, the sleeve 201 can be taken out and disinfected, so that the sleeve 201 can be used for multiple times, and the resource is saved.
Claims (6)
1. The utility model provides a prevent accidentally injuring syringe needle sleeve device of fish body, includes depression bar (1), adjustment mechanism (2), cylinder (3) and bottom (11), its characterized in that: the adjusting mechanism (2) comprises a sleeve (201), a pull rod (202), a connecting rod (203), a connecting block (204), a fixing block (205), a clamping block (206) and a spring (207), the bottom of the pressure rod (1) is connected with a moving rod (4), the bottom of the moving rod (4) penetrates through the top of the needle cylinder (3) and extends to the inside of the needle cylinder (3), the bottom of the moving rod (4) is connected with a piston (5), the outer wall of the piston (5) is in sealing contact with the inner wall of the needle cylinder (3), a needle head (6) is clamped at the bottom of the needle cylinder (3), the sleeve (201) is sleeved outside the needle head (6), the outer wall of the needle cylinder (3) is connected with the side wall of the fixing block (205), a clamping groove (12) is formed in one side, away from the needle cylinder (3), the pull rod (202) is positioned outside the sleeve (201), one side of, connecting rod (203) other end runs through sleeve (201) lateral wall and extends to sleeve (201) inside and fixture block (206) lateral wall and is connected, fixture block (206) size and draw-in groove (12) size looks adaptation, fixture block (206) outer wall and draw-in groove (12) cell wall contact, one side that fixture block (206) is close to connecting rod (203) is connected with spring (207) one end, spring (207) other end and sleeve (201) inner wall connection, spring (207) annular setting is on connecting rod (203) surface, the quantity of fixed block (205) is eight, eight fixed block (205) evenly distributed is in cylinder (3) lateral wall both sides, the quantity of pull rod (202) is two, two pull rod (202) are located sleeve (201) both sides respectively.
2. The syringe needle sleeve device for preventing fish injury according to claim 1, wherein: outside cover of syringe needle (6) is equipped with annular piece (14), annular piece (14) inner wall is connected with syringe needle (6) lateral wall top, the outside cover of annular piece (14) is equipped with snap ring (9), ring channel (13) have been seted up to snap ring (9) inner wall, ring channel (13) inner wall and annular piece (14) outer wall contact, syringe needle (6) top outer wall and snap ring (9) inner wall contact.
3. The syringe needle sleeve device for preventing fish injury according to claim 2, wherein: the improved structure is characterized in that a moving groove (10) is formed in the sleeve (201), the outer wall of the clamping ring (9) is connected with the side wall of the connecting block (204), the other side of the connecting block (204) penetrates through the notch of the moving groove (10) and extends into the moving groove (10), and the front face and the back face of the connecting block (204) located in the moving groove (10) are in contact with the wall of the moving groove (10).
4. The syringe needle sleeve device for preventing fish injury according to claim 1, wherein: the equal opening setting in sleeve (201) top bottom, sleeve (201) inner wall top bonds and has sealed pad (8), sealed pad (8) are the ring form, sealed pad (8) inner wall and cylinder (3) outer wall sealing contact, sleeve (201) bottom annular bonding has blotter (7).
5. The syringe needle sleeve device for preventing fish injury according to claim 1, wherein: the outer wall of the bottom cover (11) is provided with a first thread, and the bottom of the inner wall of the sleeve (201) is provided with a second thread connected with the first thread.
6. The syringe needle sleeve device for preventing fish injury according to claim 2, wherein: the top of the needle head (6), the snap ring (9) and the annular block (14) are all made of plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920044751.1U CN209967287U (en) | 2019-01-10 | 2019-01-10 | Syringe needle sleeve device for preventing fish body from being injured by mistake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920044751.1U CN209967287U (en) | 2019-01-10 | 2019-01-10 | Syringe needle sleeve device for preventing fish body from being injured by mistake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209967287U true CN209967287U (en) | 2020-01-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920044751.1U Expired - Fee Related CN209967287U (en) | 2019-01-10 | 2019-01-10 | Syringe needle sleeve device for preventing fish body from being injured by mistake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209967287U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112263294A (en) * | 2020-11-24 | 2021-01-26 | 常州安康医疗器械有限公司 | Endoscope anastomat with direction-variable clamping device |
-
2019
- 2019-01-10 CN CN201920044751.1U patent/CN209967287U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112263294A (en) * | 2020-11-24 | 2021-01-26 | 常州安康医疗器械有限公司 | Endoscope anastomat with direction-variable clamping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200121 Termination date: 20210110 |