CN109907858B - Injector extension device for dairy cows - Google Patents
Injector extension device for dairy cows Download PDFInfo
- Publication number
- CN109907858B CN109907858B CN201910297198.7A CN201910297198A CN109907858B CN 109907858 B CN109907858 B CN 109907858B CN 201910297198 A CN201910297198 A CN 201910297198A CN 109907858 B CN109907858 B CN 109907858B
- Authority
- CN
- China
- Prior art keywords
- rod
- mounting
- hinge
- holes
- injection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 241000283690 Bos taurus Species 0.000 title claims description 35
- 235000013365 dairy product Nutrition 0.000 title claims description 23
- 238000002347 injection Methods 0.000 claims abstract description 99
- 239000007924 injection Substances 0.000 claims abstract description 99
- 238000009434 installation Methods 0.000 claims abstract description 40
- 230000000149 penetrating effect Effects 0.000 claims abstract description 10
- 230000001954 sterilising effect Effects 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 abstract description 5
- 230000037431 insertion Effects 0.000 abstract description 5
- 239000008267 milk Substances 0.000 abstract description 3
- 235000013336 milk Nutrition 0.000 abstract description 3
- 210000004080 milk Anatomy 0.000 abstract description 3
- 239000003814 drug Substances 0.000 description 6
- 230000006378 damage Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000013101 initial test Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a milk cow syringe extension device, which comprises a base, an execution part and an injection part, wherein the execution part is arranged above the base, and the front end of the execution part is provided with the injection part; the base is provided with an execution rod mounting column and an operation rod mounting column, and the upper ends of the execution rod mounting column and the operation rod mounting column are respectively provided with a hinged through hole; the actuating part comprises an operating rod, a middle rod and an actuating rod, wherein the front end of the operating rod is provided with an installation groove, two sides of the installation groove are provided with hinge through holes penetrating through the left side wall and the right side wall of the operating rod, the bottom of the operating rod is provided with an installation bulge, the installation bulge is provided with the hinge through holes, two ends of the middle rod are provided with the hinge through holes, and one end and the middle part of the actuating rod are provided with the hinge through holes; the operating personnel can realize the long-distance insertion and injection actions of the injector by pressing the operating lever once, the operating personnel does not need to directly contact the injector by hands to perform injection, the condition of stabbing the operating personnel is avoided, and the personal safety of the operating personnel is ensured.
Description
Technical Field
The invention relates to the technical field of livestock medical appliances, in particular to a syringe extension device for cows.
Background
The batch breeding technology of cows is mature, and in order to ensure the health and milk yield of cows, epidemic prevention and disease treatment work are particularly important, and the injection of medicaments into cows through injectors is a common medical means.
In the prior art, the injection of cows is a difficult task; the following technical problems generally occur when the medicine is injected into the dairy cows:
1. when the medicine is injected, the operators are closer to the dairy cows, and sometimes the dairy cows attack the operators due to pain, so that the operators are injured accidentally;
2. if the dairy cows suddenly move when the operators perform injection, the injector accidentally damages the operators; even, operators may receive accidental doses of medication, which can cause significant injury to the operator's health.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the injector extension device for the dairy cows, so that an operator can realize remote insertion and injection actions of the injector by pressing the operating lever once, the operator does not need to directly contact the injector by hand to perform injection, the condition that the operator is injured is avoided, meanwhile, the injector is injected remotely, the injury to the operator caused by the attack of the dairy cows is avoided, and the personal safety of the operator is greatly ensured.
The injector extension device for the dairy cows comprises a base, wherein an execution part for transmitting downward pressure is connected to the base, and an injection part is connected to the front end of the execution part; the injection part comprises an injection part shell, a pressing piece, fastening rings, an injection switch and a rotating rod, wherein an injection switch mounting groove is formed in the bottom of the injection part shell, a front window is formed in the front surface of the injection part shell, a plurality of fastening rings are arranged right below the front window, and the fastening rings are connected to the front surface of the injection part shell; the pressing piece comprises a pressing plate and a mounting column, the pressing plate is fixedly connected to one side of the top end of the mounting column, a mounting through hole penetrating through the top surface and the bottom surface is formed in the center of the mounting column, a sliding rod matched with the mounting through hole is arranged on the inner top surface of the injection part shell, the pressing piece is mounted on the sliding rod in a nested mode through the mounting through hole, the mounting column moves up and down along the sliding rod, the pressing plate penetrates through the front window to protrude out of the front surface of the injection part shell, a spring is connected between the mounting column and the inner top surface of the injection part shell, and a pressing piece lower limiting rod is arranged at the lower portion of the inner front surface of the injection part shell;
the middle part of the rotating rod is provided with a through hole penetrating through the left side surface and the right side surface, a rotating rod installation column is connected between the left side surface and the right side surface inside the injection part shell, the rotating rod is installed on the rotating rod installation column through the through hole, a torsion spring is connected between the inner wall of the through hole of the rotating rod and the outer wall of the rotating rod installation column, the torsion force of the torsion spring is larger than the sum of the spring force and the gravity of the pressing piece, and the bending moment at the front part of the rotating rod is enough to keep the pressing piece at the upper limit position; the injection switch comprises a bottom sliding block, limit protrusions are arranged on the side faces of the upper end and the lower end of the bottom sliding block, an upper ejector rod is connected to the top face of the bottom sliding block, the upper ejector rod is located right below the rear portion of the rotary rod, the outer wall of the bottom sliding block is connected with the inner wall of an injection switch mounting groove, and the bottom sliding block moves up and down along the injection switch mounting groove;
the front end of the base is provided with a sponge storage opening, a sponge is arranged in the sponge storage opening, the sponge protrudes out of the lower surface of the base, and sterilizing liquid is injected into the sponge.
Preferably, the base is provided with an execution rod installation column and an operation rod installation column, and the upper ends of the execution rod installation column and the operation rod installation column are respectively provided with a hinged through hole;
the actuating part comprises an operating rod, a middle rod and an actuating rod, wherein the front end of the operating rod is provided with an installation groove, two sides of the installation groove are provided with hinge through holes penetrating through the left side wall and the right side wall of the operating rod, the bottom of the operating rod is provided with an installation bulge, the installation bulge is provided with the hinge through holes, two ends of the middle rod are provided with the hinge through holes, and one end and the middle part of the actuating rod are provided with the hinge through holes;
the hinging through holes of the control rod mounting protrusions are hinged with the hinging through holes on the base control rod mounting columns through the hinging columns, one end of the middle rod is mounted in the mounting groove of the control rod, the hinging through holes at one end of the middle rod are hinged with the hinging through holes at two sides of the mounting groove through the hinging columns, the hinge through hole at the other end of the middle rod is hinged with the hinge through hole at one end of the actuating rod through a hinge post, the hinge through hole in the middle of the actuating rod is hinged with the hinge through hole on the base actuating rod mounting post through a hinge post, and the other end of the actuating rod is connected with the rear end of the injection part.
Preferably, a return spring is connected between the rear end of the base and the rear end of the operating lever.
Preferably, the rear ends of the base and the operating lever are respectively provided with an extension part mounting groove, extension parts are respectively mounted in the extension part mounting grooves, and the extension parts move back and forth along the extension part mounting grooves.
Preferably, the extension part comprises a thin plate and a wide plate, the outer wall of the thin plate is connected with the inner wall of the installation groove of the extension part, a plurality of baffle installation holes are symmetrically arranged on the left side surface and the right side surface of the thin plate, a baffle is arranged in each baffle installation hole, the baffle comprises a semicircular bulge and a baffle wall, one end of the semicircular bulge is connected with the baffle wall, the semicircular bulge protrudes out of the side surface of the thin plate through the baffle installation hole, the baffle wall is positioned in the thin plate,
the baffle plate is characterized in that baffle plate spring mounting plates are arranged on the left side and the right side of the inside of the fine plate, the bottoms of the baffle plate spring mounting plates are connected with the inner wall of the bottom surface of the fine plate, baffle springs are connected between the baffle plate spring mounting plates and the baffle walls of each baffle plate, and a plurality of limiting holes matched with the semicircular protrusions are formed in the left side and the right side of the installation groove of the extension part.
Preferably, one actuating rod is connected to both sides of the intermediate rod and the actuating rod mounting post.
Preferably, the rear wall in the injection part housing is provided with a limit groove matched with the rear end part of the rotating rod.
Preferably, the front end of the fastening ring is provided with a bolt connection hole.
Preferably, the upper surface and the lower surface of the wide plate are both provided with anti-slip pads.
The beneficial effects of the invention are as follows:
1. before use, the injector is required to be mounted in a fastening ring of the injection part, then a sponge coated with sterilizing liquid is mounted in a sponge storage port, when the dairy cow needs to be injected, an operator grips the rear end of the base by hands, the sponge protruding from the bottom of the front end of the base is placed at the body part of the dairy cow, which needs to be injected, at the moment, the contact position of the sponge and the dairy cow body is used as the front end pivot of the device, the hand-held position of the operator is used as the rear end pivot of the device, the positioning of the device is realized, then the operator controls the sponge with the sterilizing liquid at the front end to wipe the skin surface of the dairy cow, after sterilization is finished, the operator presses the operating lever downwards by hands, the front end of the operating lever moves upwards due to the lever principle, the middle lever is driven, and meanwhile, the rear end of the operating lever is driven to move upwards, and the front end of the operating lever moves downwards due to the lever principle, the injection part is driven to move downwards, and the insertion action of the injector is realized;
when the injection part moves downwards, the bottom slider of the injection switch is extruded by the base to slide upwards, the upper ejector rod is driven to move upwards, the upper ejector rod applies force to the rear part of the rotary rod, when the sum of the upward force of the upper ejector rod on the rear part of the rotary rod and the elastic force of the spring is larger than the torsion force of the torsion spring, the rotary rod rotates anticlockwise along the rotary rod mounting column, so that the spring releases the elastic force, the pressing plate moves downwards along the sliding rod along the mounting column along with the elastic force of the spring until the bottom end of the mounting column contacts with the lower limit rod of the pressing piece to stop moving downwards, the lower limit position is reached, the downward pushing of the pressing plate on the core rod of the injector is realized, and the injection of the medicine in the injector is realized;
when the injection is finished, an operator releases hands, the operating rod moves upwards due to the elasticity of the reset spring to drive the injection part to move upwards to return to the initial position, the operator only needs to lift the pressing plate to the upper limit position by hands, the rotating rod rotates clockwise to the initial position due to the torsion of the torsion spring, the rear part of the rotating rod applies force to the upper ejector rod to enable the upper ejector rod to move downwards, the upper ejector rod drives the bottom sliding block to move downwards to enable the bottom sliding block to return to the initial position, and the torsion of the torsion spring is larger than the sum of the elasticity of the spring and the gravity of the pressing piece to enable the front part of the rotating rod to apply force upwards to the mounting column of the pressing piece to enable the pressing plate to be kept at the upper limit position again;
the operation lever is pressed once by an operator, so that the injector can be inserted and injected remotely, the operator does not need to directly contact the injector by hand to perform injection, the condition of stabbing the operator is avoided, meanwhile, the remote injection is performed, the damage of the dairy cows to the operator caused by attack is avoided, and the personal safety of the operator is greatly ensured; the injection part has compact structure and ingenious design, the reset operation of the pressing plate and the bottom sliding block is simple, and the efficiency of the dairy cow injection is improved;
2. the middle rod not only plays a role in transmission, but also plays an effective transitional role, and the two actuating rods ensure the connection strength, so that the connection of the injection part is more stable;
3. the extension part extends the length of the base and the control rod, and the stop block is matched with the limiting hole, so that the extension part can be limited and fixed at different positions, and the extension part can be flexible, convenient to operate and firm in connection; the extension part further extends the injection operable distance, the device can perform injection operation on cows outside the cowshed, the safety of operation personnel is greatly improved, and the adjustability of the device is improved;
4. the limiting groove arranged on the inner rear wall of the injection part shell is matched with the end part of the rear end of the rotating rod, so that the rear end of the rotating rod can be clamped into the limiting groove, the friction force between the end part of the rotating rod and the inner wall of the injection part shell is increased, and the fixation of the rotating rod at the initial test position is reinforced;
5. the bolt connecting hole at the front end of the fastening ring is used for bolt connection, so that the syringe is firmly fastened by the fastening ring;
6. the anti-slip pad plays an effective anti-slip role, prevents the operator from slipping by hand to cause the device to drop, and increases the operation comfort.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a second embodiment of the present invention;
FIG. 3 is a partial cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is a schematic view of the structure of the injection part;
FIG. 5 is a schematic structural view of the pressing member;
FIG. 6 is a longitudinal cross-sectional view of FIG. 4;
FIG. 7 is a longitudinal cross-sectional view of the alternate state of FIG. 4;
FIG. 8a is a schematic diagram of a preliminary test state of the present invention;
FIG. 8b is a schematic view of the injection part of the present invention after insertion;
FIG. 8c is a schematic view of the present invention after the pressing plate is pressed;
in the figure: 1. the base, 11, the actuating lever mounting post, 12, the actuating lever mounting post, 13, the sponge storage port, 131, the sponge, 14, the return spring, 2, the actuating section, 21, the actuating lever, 211, the mounting groove, 212, the mounting boss, 22, the intermediate lever, 23, the actuating lever, 3, the injection section, 31, the injection section housing, 311, the injection switch mounting groove, 312, the front window, 313, the rotating lever mounting post, 314, the pressing piece lower limit lever, 315, the limit groove, 316, the slide bar, 32, the pressing piece, 321, the pressing plate, 322, the mounting post, 3221, the mounting through hole, 33, the fastening ring, 331, the bolting hole, 34, the injection switch, 341, the bottom slider, 3411, the limit boss, 342, the upper push rod, 35, the rotating lever, 36, the spring, 4, the extension mounting groove, 5, the extension, 51, the thin plate, 511, the stopper mounting hole, 512, the stopper, 5121, the semicircular boss, 5122, the stopper wall, 513, the stopper spring mounting plate, 514, the stopper spring, 52, the wide plate, 521, and the slide pad.
Detailed Description
For a better understanding of the present invention, embodiments of the present invention are explained in detail below with reference to the drawings.
As shown in fig. 1, the injector extension device for cows comprises a base 1, wherein an execution part 2 for transmitting downward pressure is connected to the base 1, and an injection part 3 is connected to the front end of the execution part 2; the injection part 3 comprises an injection part shell 31, a pressing piece 32, a fastening ring 33, an injection switch 34 and a rotary rod 35, wherein an injection switch mounting groove 311 is formed in the bottom of the injection part shell 31, a front window 312 is formed in the front surface of the injection part shell 31, a plurality of fastening rings 33 are arranged right below the front window 312, and the fastening rings 33 are connected to the front surface of the injection part shell 31; the pressing piece 32 comprises a pressing plate 321 and a mounting post 322, the pressing plate 321 is fixedly connected to one side of the top end of the mounting post 322, a mounting through hole 3221 penetrating through the top surface and the bottom surface is formed in the center of the mounting post 322, a sliding rod 316 matched with the mounting through hole 3221 is arranged on the inner top surface of the injection part shell 31, the pressing piece 32 is mounted on the sliding rod 316 in a nested manner through the mounting through hole 3221, the mounting post 322 moves up and down along the sliding rod 316, the pressing plate 321 protrudes out of the front surface of the injection part shell 31 through the front window 312, a spring 36 is connected between the mounting post 322 and the inner top surface of the injection part shell 31, and a pressing piece lower limit rod 314 is arranged on the lower portion of the inner front surface of the injection part shell 31;
the middle part of the rotating rod 35 is provided with a through hole penetrating through the left side surface and the right side surface, a rotating rod mounting column 313 is connected between the left side surface and the right side surface inside the injection part shell 31, the rotating rod 35 is mounted on the rotating rod mounting column 313 through the through hole, a torsion spring is connected between the inner wall of the through hole of the rotating rod 35 and the outer wall of the rotating rod mounting column 313, the torsion force of the torsion spring is larger than the sum of the elastic force of the spring 36 and the gravity of the pressing piece 32, so that the bending moment at the front part of the rotating rod 35 is enough to keep the pressing piece 32 at the upper limit position; the injection switch 34 comprises a bottom sliding block 341, limit protrusions 3411 are arranged on the side surfaces of the upper end and the lower end of the bottom sliding block 341, the top surface of the bottom sliding block 341 is connected with an upper push rod 342, the upper push rod 342 is located right below the rear part of the rotary rod 35, the outer wall of the bottom sliding block 341 is connected with the inner wall of the injection switch mounting groove 311, and the bottom sliding block 341 moves up and down along the injection switch mounting groove 311;
the front end of the base 1 is provided with a sponge storage opening 13, a sponge 131 is arranged in the sponge storage opening 13, the sponge 131 protrudes out of the lower surface of the base 1, and sterilizing liquid is filled in the sponge 131.
The base 1 is provided with an execution rod installation column 11 and an operation rod installation column 12, and the upper ends of the execution rod installation column 11 and the operation rod installation column 12 are respectively provided with a hinged through hole;
the executing part 2 comprises a control rod 21, a middle rod 22 and an executing rod 23, wherein the front end of the control rod 21 is provided with an installation groove 211, two sides of the installation groove 211 are provided with hinging through holes penetrating through the left side wall and the right side wall of the control rod 21, the bottom of the control rod 21 is provided with an installation bulge 212, the installation bulge 212 is provided with hinging through holes, two ends of the middle rod 22 are provided with hinging through holes, and one end and the middle part of the executing rod 23 are provided with hinging through holes;
the hinge through hole of the installation protrusion 212 of the operating rod 21 is hinged with the hinge through hole on the operating rod installation post 12 of the base 1 through a hinge post, one end of the middle rod 22 is installed in the installation groove 211 of the operating rod 21, the hinge through hole at one end of the middle rod 22 is hinged with the hinge through holes at two sides of the installation groove 211 through a hinge post, the hinge through hole at the other end of the middle rod 22 is hinged with the hinge through hole at one end of the actuating rod 23 through a hinge post, the hinge through hole at the middle part of the actuating rod 23 is hinged with the hinge through hole on the actuating rod installation post 11 of the base 1, and the other end of the actuating rod 23 is connected with the rear end of the injection part 3;
a return spring 14 is connected between the rear end of the base 1 and the rear end of the operating lever 21.
Before the device is used, an injector is required to be mounted in a fastening ring 33 of an injection part 3, then a sponge 131 coated with sterilizing liquid is mounted in a sponge storage port 13, when the dairy cow is required to be injected, an operator grasps the rear end of a base 1 by two hands, places the sponge 131 protruding from the bottom of the front end of the base 1 at the body part of the dairy cow to be injected, at the moment, the contact position of the sponge 131 and the dairy cow body is taken as the front end fulcrum of the device, the hand-held position of the operator is taken as the rear end fulcrum of the device, the positioning of the device is realized, then the operator controls the sponge 131 with the sterilizing liquid at the front end to wipe the skin surface of the dairy cow, after the sterilization is finished, the operator presses an operating lever 21 downwards by two hands, the front end of the operating lever 21 moves upwards due to the lever principle, drives a middle lever 22 and simultaneously drives the rear end of an actuating lever 23 to move upwards, and the front end of the actuating lever 23 moves downwards due to the lever principle, and drives the injection part 3 to move downwards, so that the insertion action of the injector is realized;
when the injection part 3 moves downwards, the bottom sliding block 341 of the injection switch 34 is extruded by the base 1 to slide upwards, the upper ejector rod 342 is driven to move upwards, the upper ejector rod 342 applies force to the rear part of the rotary rod 35, when the sum of the upward force of the upper ejector rod 342 to the rear part of the rotary rod 35 and the elastic force of the spring 36 is larger than the torsion force of the torsion spring, the rotary rod 35 rotates anticlockwise along the rotary rod mounting 313 column, so that the spring 36 releases the elastic force, the pressing plate 321 moves downwards along the sliding rod 316 along with the mounting column 322 due to the elastic force of the spring 36 until the bottom end of the mounting column 322 contacts with the pressing piece lower limiting rod 314 to stop moving downwards, the lower limiting position is reached, the downward pushing of the pressing plate 321 to the syringe core rod is realized, and injection of medicine in the syringe is realized;
after the injection is completed, the operator releases the operating rod 21, the operating rod 21 moves upwards due to the elastic force of the return spring 14 to drive the injection part 3 to move upwards to return to the initial position, the operator only needs to lift the pressing plate 321 to the upper limit position by hand, the rotating rod 35 rotates clockwise to the initial position due to the torsion force of the torsion spring, the upper push rod 342 is forced to move downwards by the rear part of the rotating rod 35, the upper push rod 342 drives the bottom sliding block 341 to move downwards to return to the initial position, the front part of the rotating rod 35 applies force upwards to the mounting column 322 of the pressing piece 32 due to the torsion force of the torsion spring being greater than the sum of the elastic force of the spring 36 and the gravity force of the pressing piece 32, and the pressing plate 321 is kept at the upper limit position again.
The operation lever 21 is pressed once by an operator, so that the injector can be inserted and injected remotely, the operator does not need to directly contact the injector by hand to perform injection, the condition of stabbing the operator is avoided, meanwhile, the remote injection is performed, the damage of the dairy cows to the operator caused by attack is avoided, and the personal safety of the operator is greatly ensured; the injection part 3 has compact structure and ingenious design, the reset operation of the pressing plate 321 and the bottom sliding block 341 is simple, and the efficiency of the dairy cow injection is improved.
The rear ends of the base 1 and the operating rod 21 are respectively provided with an extension part mounting groove 4, extension parts 5 are respectively mounted in the extension part mounting grooves 4, and the extension parts 5 move back and forth along the extension part mounting grooves 4.
The extension part 5 comprises a thin plate 51 and a wide plate 52, the outer wall of the thin plate 51 is connected with the inner wall of the extension part mounting groove 4, a plurality of baffle mounting holes 511 are symmetrically arranged on the left side surface and the right side surface of the thin plate 51, a baffle 512 is arranged in each baffle mounting hole 511, the baffle 512 comprises a semicircular bulge 5121 and a baffle wall 5122, one end of the semicircular bulge 5121 is connected with the baffle wall 5122, the semicircular bulge 5121 passes through the baffle mounting holes 511 and protrudes out of the side surface of the thin plate 51, the baffle wall 5122 is positioned in the thin plate 51,
the inside left and right sides of fine plate 51 is equipped with dog spring mounting panel 513, dog spring mounting panel 513 bottom and fine plate 51 bottom surface inner wall connection, all be connected with dog spring 514 between the fender wall 5122 of dog spring mounting panel 513 and every dog 512, extension mounting groove 4 left and right sides face is equipped with a plurality of limit holes with semi-circular arch 5121 matched with.
The extension part 5 extends the length of the base 1 and the operating rod 21, and the stop block 512 is matched with the limiting holes, so that the limit fixation of the extension part 5 at different positions can be realized, the extension part 5 can be freely stretched out and drawn back, the operation is convenient, and the connection is firm; the extension 5 has further prolonged the distance that the injection is operable, and this device can inject the operation to the milk cow outside the cowshed, has improved the security of operating personnel operation greatly, has improved the adjustability of this device.
The middle rod 22 and the two sides of the actuating rod mounting column 11 are respectively connected with an actuating rod 23, the middle rod 22 not only plays a role in transmitting force, but also plays an effective transitional role, the two actuating rods 23 ensure the connection strength, and meanwhile, the injection part 3 is connected more firmly.
The rear wall in the injection part shell 31 is provided with a limit groove 315 matched with the rear end part of the rotary rod 35, so that the rear end of the rotary rod 35 can be clamped into the limit groove 315, the friction force between the end part of the rotary rod 35 and the inner wall of the injection part shell 31 is increased, and the fixation of the rotary rod 35 at the initial test position is reinforced;
the front end of the fastening ring 33 is provided with a bolt connection hole 331 for bolt connection, so that the syringe is firmly fastened by the fastening ring 33.
The upper and lower surfaces of the wide plate 52 are provided with anti-slip pads 521, so that the device is prevented from falling down due to the fact that an operator slides by hand, and the operation comfort is improved.
Alterations, modifications, substitutions and variations of the embodiments herein will be apparent to those of ordinary skill in the art in light of the teachings of the present invention without departing from the spirit and principles of the invention.
Claims (6)
1. The injector extension device for the dairy cows is characterized by comprising a base, wherein an execution part for transmitting downward pressure is connected to the base, and the front end of the execution part is connected with an injection part; the injection part comprises an injection part shell, a pressing piece, fastening rings, an injection switch and a rotating rod, wherein an injection switch mounting groove is formed in the bottom of the injection part shell, a front window is formed in the front surface of the injection part shell, a plurality of fastening rings are arranged right below the front window, and the fastening rings are connected to the front surface of the injection part shell;
the pressing piece comprises a pressing plate and a mounting column, the pressing plate is fixedly connected to one side of the top end of the mounting column, a mounting through hole penetrating through the top surface and the bottom surface is formed in the center of the mounting column, a sliding rod matched with the mounting through hole is arranged on the inner top surface of the injection part shell, the pressing piece is mounted on the sliding rod in a nested mode through the mounting through hole, the mounting column moves up and down along the sliding rod, the pressing plate penetrates through the front window to protrude out of the front surface of the injection part shell, a spring is connected between the mounting column and the inner top surface of the injection part shell, and a pressing piece lower limiting rod is arranged at the lower portion of the inner front surface of the injection part shell;
the middle part of the rotating rod is provided with a through hole penetrating through the left side surface and the right side surface, a rotating rod installation column is connected between the left side surface and the right side surface inside the injection part shell, the rotating rod is installed on the rotating rod installation column through the through hole, a torsion spring is connected between the inner wall of the through hole of the rotating rod and the outer wall of the rotating rod installation column, the torsion force of the torsion spring is larger than the sum of the spring force and the gravity of the pressing piece, and the bending moment at the front part of the rotating rod is enough to keep the pressing piece at the upper limit position; the injection switch comprises a bottom sliding block, limit protrusions are arranged on the side faces of the upper end and the lower end of the bottom sliding block, an upper ejector rod is connected to the top face of the bottom sliding block, the upper ejector rod is located right below the rear portion of the rotary rod, the outer wall of the bottom sliding block is connected with the inner wall of an injection switch mounting groove, and the bottom sliding block moves up and down along the injection switch mounting groove;
the front end of the base is provided with a sponge storage opening, a sponge is arranged in the sponge storage opening, the sponge protrudes out of the lower surface of the base, and sterilizing liquid is injected into the sponge;
the base is provided with an execution rod mounting column and an operation rod mounting column, and the upper ends of the execution rod mounting column and the operation rod mounting column are respectively provided with a hinged through hole;
the actuating part comprises an operating rod, a middle rod and an actuating rod, wherein the front end of the operating rod is provided with an installation groove, two sides of the installation groove are provided with hinge through holes penetrating through the left side wall and the right side wall of the operating rod, the bottom of the operating rod is provided with an installation bulge, the installation bulge is provided with the hinge through holes, two ends of the middle rod are provided with the hinge through holes, and one end and the middle part of the actuating rod are provided with the hinge through holes;
the hinge through holes of the control rod mounting protrusions are hinged with the hinge through holes of the base control rod mounting columns through the hinge columns, one end of the middle rod is mounted in the mounting groove of the control rod, the hinge through holes of one end of the middle rod are hinged with the hinge through holes on two sides of the mounting groove through the hinge columns, the hinge through holes of the other end of the middle rod are hinged with the hinge through holes of one end of the execution rod through the hinge columns, the hinge through holes of the middle part of the execution rod are hinged with the hinge through holes of the base execution rod mounting columns, and the other end of the execution rod is connected with the rear end of the injection part;
the rear ends of the base and the operating lever are respectively provided with an extension part mounting groove, extension parts are respectively mounted in the extension part mounting grooves, and the extension parts move back and forth along the extension part mounting grooves;
the extension include thin board and wide board, thin board outer wall and extension mounting groove inner wall connection, the left and right sides face symmetry of thin board is equipped with a plurality of dog mounting holes, installs a dog in every dog mounting hole, the dog includes semi-circular arch and retaining wall, semi-circular bellied one end is connected with the retaining wall, semi-circular arch passes the dog mounting hole protrusion in thin board side surface, retaining wall is located thin board inside, thin board inside left and right sides is equipped with the dog spring mounting panel, dog spring mounting panel bottom and thin board bottom inner wall connection, all be connected with the dog spring between the retaining wall of dog spring mounting panel and every dog, extension mounting groove left and right sides face is equipped with a plurality of spacing holes with semi-circular arch matched with.
2. The injector extension device for cows of claim 1, wherein the middle rod and the actuating rod are connected to an actuating rod at both sides of the mounting post.
3. The injector extension device for cows of claim 1, wherein a return spring is connected between the rear end of the base and the rear end of the operating lever.
4. The injector extension device for cows of claim 1, wherein the rear wall of the injection part housing is provided with a limit groove which is matched with the rear end of the rotary rod.
5. The extension device for a dairy cow syringe as claimed in claim 1, wherein the front end of the fastening ring is provided with a bolt connection hole.
6. The extension device for a cow syringe as claimed in claim 1, wherein the upper and lower surfaces of the wide plate are provided with anti-slip pads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910297198.7A CN109907858B (en) | 2019-04-12 | 2019-04-12 | Injector extension device for dairy cows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910297198.7A CN109907858B (en) | 2019-04-12 | 2019-04-12 | Injector extension device for dairy cows |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109907858A CN109907858A (en) | 2019-06-21 |
| CN109907858B true CN109907858B (en) | 2024-02-09 |
Family
ID=66969900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910297198.7A Active CN109907858B (en) | 2019-04-12 | 2019-04-12 | Injector extension device for dairy cows |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109907858B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110946765B (en) * | 2019-12-13 | 2022-05-03 | 济宁市精神病防治院 | Mental nursing is with supplementary medicine feed device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2042349U (en) * | 1987-10-28 | 1989-08-09 | 陈恂 | Long-distance injector for animals |
| CN1251049A (en) * | 1997-03-29 | 2000-04-19 | 朴志勲 | Continuous injecting apparatus |
| CN101484199A (en) * | 2006-06-30 | 2009-07-15 | 艾博特生物技术有限公司 | Automatic injection device |
| CN102293687A (en) * | 2011-07-25 | 2011-12-28 | 丁贵根 | Veterinarian long-arm continuous injector |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9849252B2 (en) * | 2012-05-04 | 2017-12-26 | Sofia Eleni Armes | Electromechanical manipulating device for medical needle and syringe with sensory biofeedback and pain suppression capability |
-
2019
- 2019-04-12 CN CN201910297198.7A patent/CN109907858B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2042349U (en) * | 1987-10-28 | 1989-08-09 | 陈恂 | Long-distance injector for animals |
| CN1251049A (en) * | 1997-03-29 | 2000-04-19 | 朴志勲 | Continuous injecting apparatus |
| CN101484199A (en) * | 2006-06-30 | 2009-07-15 | 艾博特生物技术有限公司 | Automatic injection device |
| CN102293687A (en) * | 2011-07-25 | 2011-12-28 | 丁贵根 | Veterinarian long-arm continuous injector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109907858A (en) | 2019-06-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7909796B2 (en) | Injection device | |
| CN109907858B (en) | Injector extension device for dairy cows | |
| US20100318111A1 (en) | Patient's skin puncturing device | |
| CN108721733B (en) | Painless trace anesthetic injection device | |
| KR20190121246A (en) | Blood lancet | |
| KR200453843Y1 (en) | Parallel bars use for walking exercise | |
| CN210019783U (en) | Syringe extension fixture for milk cow | |
| CN113082393A (en) | Automatic needle inserting and assisting device for injection needle | |
| CN209751837U (en) | Electrically driven needleless injector | |
| CN210813173U (en) | Automatic injection pen with passive trigger device | |
| CN209301601U (en) | A kind of nurse's injection disinfection apparatus bracket | |
| KR100779908B1 (en) | Piston locking device for flunger pumping system | |
| RU192833U1 (en) | Tablet teacher | |
| CN219184318U (en) | Animal vaccine diluting device | |
| CN207012166U (en) | A kind of automatically cleaning besom | |
| CN202223677U (en) | Automatic insulin syringe | |
| CN113082486A (en) | Gynaecology diagnoses with smashing scattered formula of shaking and gives cartridge case | |
| CN219250528U (en) | A vaccination auxiliary device for pig farm | |
| CN209827093U (en) | Pig is with syringe clamping device | |
| CN219630335U (en) | Press type needle tube | |
| CN216962729U (en) | Long-handle injection gun for veterinary use | |
| CN213526421U (en) | Anti-acupuncture safe dispensing device | |
| CN112097933B (en) | Biological measuring device | |
| CN213030751U (en) | Anorectal ligation device convenient for ligation | |
| CN213312482U (en) | Injection device for nursing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |