CN217219577U - Electric needle pricking device for blood drawing tank - Google Patents

Abstract

The utility model discloses an electric needle pricking device for a blood drawing tank, which belongs to the technical field of medical appliances and comprises an inner circle needle sleeve assembly, an outer circle needle sleeve assembly, a rotary driving assembly, a needle dial assembly and a needle dial control assembly; the inner circular needle sleeve assembly consists of an inner circular needle sleeve seat, an inner circular needle sleeve hollow tube, a power bin, an inner circular needle sleeve limiting sleeve, an inner circular needle sleeve control part connecting rod, a limiting base and a pressing handle which are connected in sequence; the outer needle sleeve assembly consists of an outer needle sleeve seat, an outer needle sleeve sliding rod, an outer needle sleeve limiting sleeve, a chuck and a pressure plate; the rotary driving assembly consists of a driving needle sleeve, a driving gear, an inner circular driven needle sleeve, an outer circular driven needle sleeve and a driven gear; the dial assembly consists of a dial and a pricker; the dial control assembly consists of a limiting disc, an outer cylinder, a control disc, a control buckle, a control handle and a control spring; the utility model adopts the driving rotation technology to rapidly and accurately perform acupuncture, thereby obviously reducing the pain of patients and the labor intensity of operators; the operation is simple, and the safety performance is good.

Description

Electric needle pricking device for blood drawing tank

Technical Field

The utility model belongs to the technical field of medical apparatus, and relates to a needle ware is pricked to blood drawing jar.

Background

The cupping glass is a common medical method in traditional Chinese medicine, has good effect, wherein one of the cupping glass medical methods has obvious effect on treating blood obstruction, local stasis and pain and the like, and the operation process of the method is as follows: firstly, a plum-blossom needle (a needle with 7 needles in one body) is used for carrying out acupuncture on a pain part of a patient for multiple times to form a plurality of needle holes, and then cupping is carried out on the part with the needle holes punched to pull out blood. The method has the following defects:

1. when the plum-blossom needle is used for acupuncture, a doctor holds a handle of the plum-blossom needle with the length of about 25 cm to perform 'gouging' needle to the position needing cupping for many times, and the patient is very painful;

2, the needle is not easy to be planed accurately, and some planed needles are out of the range of cupping area, so that part of the needle eyes are missed;

3. according to the technical requirements of cupping therapy, the acupuncture depth of patients with different diseases should be different, but the method is difficult to master the acupuncture depth and cannot achieve the due optimal effect;

4. the phenomenon of repeatedly needling the needle hole exists;

5. the doctor is time-consuming and labor-consuming to pull out each pot.

In view of this, in 2016, the inventor invented a blood drawing can needle pricking device, which is the patent No. 201721158271.5, and the device basically overcomes the defects of complicated needle pricking operation, low efficiency and high labor intensity, but the defects of ejection have certain potential safety hazards and occasionally needle leakage.

Disclosure of Invention

For the purpose of perfecting, the utility model discloses make further optimization and improvement on original basis, provide following technical scheme:

the utility model relates to an electric needle pricking device for a blood drawing tank, which comprises an inner circle needle sleeve assembly, an outer circle needle sleeve assembly, a rotary driving assembly, a needle dial assembly and a needle dial control assembly. As shown in fig. 2, the inner circular needle sleeve assembly comprises an inner circular needle sleeve base, an inner circular needle sleeve hollow tube, a power bin, an inner circular needle sleeve limiting sleeve, an inner circular needle sleeve control connecting rod, a limiting base and a pressing handle which are sequentially connected, wherein the power bin is shown in fig. 3 and comprises a power bin chassis, two power bin side plates, a motor fixing plate, a power supply frame plate, a power supply baffle plate, a power supply pressing plate and a power bin cover plate; as shown in fig. 4, the outer round needle guard assembly comprises an outer round needle guard seat, an outer round needle guard sliding rod, an outer round needle guard limiting sleeve, a chuck and a pressure plate which are connected in sequence; as shown in fig. 5, the rotary driving assembly is composed of a driving needle sleeve, an inner circle driving gear, an inner circle driven needle sleeve, an inner circle driven gear, an outer circle driven needle sleeve and an outer circle driven gear; as shown in fig. 7 and 8, the dial control assembly is composed of a limiting disc, an outer cylinder, a control disc, a control buckle, a control handle and a control spring; as shown in FIG. 9, the dial assembly is comprised of a dial and a spike.

Furthermore, the inner round needle sleeve seat is formed by closing an upper round cake, a lower round cake and a cylinder, wherein the upper round cake and the lower round cake have the same diameter, and the inner diameter of the cylinder is matched with that of the upper round cake and the lower round cake; the lower round cake is provided with an inner round needle sleeve perforation hole and an outer round needle sleeve perforation hole, the upper round cake is only provided with an outer round needle sleeve perforation hole, and pits are arranged at positions corresponding to the upper part and the lower part of the lower round cake inner round needle sleeve perforation hole (all the inner round needle sleeve perforation holes and the outer round needle sleeve perforation holes are in clearance fit).

Furthermore, the inner circular needle sleeve seat is connected with the inner circular needle sleeve hollow tube, the inner circular needle sleeve limiting sleeve is connected with the inner circular needle sleeve control connecting rod in an interference fit mode, and the power bin cover plate is connected with the inner circular needle sleeve limiting sleeve, and the power bin chassis is connected with the inner circular needle sleeve hollow tube in a bonding mode.

Further, a power bin side plate and a motor fixing plate, a power bin side plate and a power supply frame plate, and a power bin side plate and a power supply baffle plate of the power bin are all formed in one step through embedding riveting or bonding; the middle of the motor fixing plate is provided with a hole, the diameter of the hole is slightly larger than the diameter of the motor shaft so as to be beneficial to the downward penetration of the motor shaft, and the motor fixing plate is provided with four screw holes to be matched with and fix the motor; the middle of the power frame plate is provided with a large hole, and the aperture of the large hole is slightly larger than the maximum outer diameter of the motor, so that the motor can be conveniently placed; the edge positions of the lower ends of the two power bin side plates, which are connected with the power bin base plate, are symmetrically provided with holes for inserting the outer circular needle sleeve sliding rod, and the holes are in clearance fit with the outer circular needle sleeve sliding rod.

Further, the outer circular needle sleeve seat is formed by butting and interference-fitting upper and lower circular cakes with the same diameter and a hole in the middle, wherein the lower circular cake is provided with an outer circular needle sleeve hole for placing an outer driven needle sleeve; the aperture of the hollow tube of the outer circular needle sleeve is slightly larger than the outer diameter of the hollow tube of the inner circular needle sleeve, so that the hollow tube of the inner circular needle sleeve can penetrate through the hollow tube of the outer circular needle sleeve, and the hollow tube of the outer circular needle sleeve is in clearance fit; the outer edge of the upper round cake is provided with an outer circle needle sleeve sliding rod fixing hole, a screw opening is formed in the outer edge of the upper round cake, and the outer circle needle sleeve sliding rod fixing hole is in threaded connection with the outer circle needle sleeve sliding rod; the outer circular needle sleeve sliding rod is in interference sleeve joint with the outer circular needle sleeve limiting sleeve, the outer circular needle sleeve sliding rod is bonded with the pressure plate, and the clamping head is fixed at a proper position on the inner side of the pressure plate of the outer circular needle sleeve control.

Further, the hollow tubes penetrating the inner and outer needle sleeves on the driving needle sleeve are connected with a motor shaft, and the lower end of the hollow tube is inserted into a central hole of the limiting disc; the lower end of the inner circle driven needle sleeve is inserted into the corresponding hole of the limiting disc, and the upper end of the inner circle driven needle sleeve is inserted into the circular cake pit on the inner circle needle sleeve seat; the lower end of the outer circle driven needle sleeve is inserted into the corresponding hole of the limiting disc, and the upper end of the outer circle driven needle sleeve is provided with a screw port and is connected with the fixture block of the outer circle needle sleeve through hole; the inner circle driving gear is equal to the inner circle driven gear in length, and the length of the inner circle driving gear is slightly smaller than the distance between an upper cake and a lower cake of the inner circle needle sleeve seat; the outer circle driving gear is shorter, the length of the outer circle driving gear is the distance of the needling stroke subtracted from the distance between the upper cake and the lower cake of the inner circle needle sleeve seat, and the meshing part of the inner circle driving gear and the outer circle driving gear can slide relatively; the size and the shape of the inner diameter of the lower end of the needle sleeve are matched with the size and the shape of the outer diameter of the puncture needle handle, the gear and the needle sleeve are in interference fit, and the needle sleeve and the gear are arranged in a meshing mode as shown in figure 6.

Further, the needle guard limiting disc is arranged at a proper position at the lower end of the inner side of the outer cylinder and fixed by screws, and the needle guard limiting disc is provided with an inner circle needle guard through hole and an outer circle needle guard through hole.

Furthermore, the diameter of the control disc is larger than the outer diameter of the outer cylinder, threads are arranged on the inner side of the control disc and correspondingly screwed with the thread at the lower end of the outer cylinder, and a control buckle, a control handle and a control spring are arranged at the opposite position of the outer side of the control disc.

The utility model has the advantages that:

the utility model adopts the rotary needling technology, so that the needling is faster and easier, and the pain of the patient can be further relieved; potential safety hazards in operation of missed stitches and ejection are avoided; the accuracy of the needling is further improved.

Other advantages, objects, and features of the invention will be set forth in the description of the preceding patent, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings, wherein:

FIG. 1 is a schematic structural view of the needle pricker of the present invention in a standby state;

FIG. 2 is a perspective view of the inner circular needle guard assembly of the needle pricker of the present invention;

FIG. 3 is a schematic view of the assembly structure of the power bin of the needle inserting device of the present invention;

FIG. 4 is a perspective view of the outer round needle guard assembly of the needle pricker of the present invention;

FIG. 5 is a perspective view of the needle inserting device driving assembly of the present invention;

FIG. 6 is a schematic plan view showing the arrangement of the disc needle, the needle sheath and the gear of the needle inserting device of the present invention;

FIG. 7 is a perspective view of the outer cylinder of the needle pricker of the present invention;

FIG. 8 is a schematic view of a dial control assembly of the needle pricker of the present invention;

FIG. 9 is a schematic view of a needle dial assembly of the needle pricker of the present invention.

Detailed Description

The following embodiments of the present invention are provided by way of specific examples, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.

Referring to fig. 1-9, wherein the reference numbers indicate the following elements: the device comprises an inner circular needle sleeve base 1, an inner circular needle sleeve through hole 101, an outer circular needle sleeve through hole 102, an inner circular needle sleeve hollow tube 2, a power bin chassis 3, an outer circular needle sleeve sliding rod through hole 300, a power bin side plate 301, a motor fixing plate 302, a power supply frame plate 303, a power supply baffle plate 304 and a power supply limiting pressing plate 305; a limiting pressure plate jackscrew 306; a power bin cover plate 307; the device comprises an inner circular needle sleeve limiting seat 4, an inner circular needle sleeve control part connecting rod 5, a limiting base 6, a pressing handle 7, an outer circular needle sleeve seat 8, an outer circular needle sleeve hole 801, an outer circular needle sleeve hollow tube 802, an outer circular needle sleeve sliding rod 9, an outer circular needle sleeve limiting sleeve 901, a pressure plate 10, a chuck 11, a driving needle sleeve 12, an inner circular driven needle sleeve 121, an outer circular driven needle sleeve 122, an inner circular driving gear 123, an inner circular driven gear 124, an outer circular driven gear 125, an outer circular needle sleeve clamping block 126 and a motor 13; a motor terminal 131 and a motor fixing screw 132; a motor shaft fastening screw 133; the device comprises a power source 14, a power source wiring terminal 141, a clamping head bolt 15, an inner circular needle sleeve spring 16, an outer circular needle sleeve spring 17, an outer cylinder 18, an inner circular needle sleeve control connecting rod through hole 181, an outer circular needle sleeve sliding rod sliding hole 182, a switch mounting hole 183, a clamping head through hole 184, an outer cylinder tape wire 185, a control disc 19, a control buckle 191, a control handle 192, a control spring 193, a limiting disc 20, a needle disc 21, a puncture needle 22, a needle seat 221 and a puncture needle handle 222.

Now, the installation process and the working principle of the needle inserting device adopting the scheme are described in detail with reference to fig. 1 to 9, firstly, the following components are installed in advance: 1. the inner circular needle sleeve hollow tube 2 is in interference connection with a central hole of a circular cake on the inner circular needle sleeve seat; 2. the driving needle sleeve 12, the inner circle driven needle sleeve 121 and the outer circle driven needle sleeve 122 are all sleeved with corresponding gears 123, 124 and 125 and are respectively inserted into the corresponding inner circle needle sleeve hollow tube, the inner circle needle sleeve through hole 101 and the outer circle needle sleeve through hole 102, the positions are adjusted, and then an upper circular cake and a lower circular cake with the same diameter of the inner circle needle sleeve base 1 and a cylinder (not numbered) with the same inner diameter are closed and bonded; 3. two power bin side plates 301, a power bin chassis 3, a motor fixing plate 302, a power supply frame plate 303 and a power supply baffle plate 304 are sequentially riveted or bonded to form a power bin; 4. the power bin cover plate 307 and the limiting sleeve 4 are fixedly connected with the inner circular needle sleeve control part connecting rod 5 in an interference manner; 5. the wires on the power supply terminal 141 and the motor terminal 131 are soldered. Then, an outer circular needle sleeve seat 8 is firstly placed on the inner circular needle sleeve seat 1, and all outer circular needle sleeve clamping blocks 126 are installed and screwed fixedly while all the upper ends of the outer circular driven needle sleeves 122 enter the outer circular needle sleeve holes 801; then, the assembled power bin chassis 3 is fixedly bonded with the inner circular needle sleeve hollow tube 2, then the motor 13 is put in from the upper part of the power bin, the motor shaft and the driving needle sleeve 12 are just sleeved at the moment, the motor fixing screw 132 and the fastening screw 133 are screwed, then the power supply 14 is arranged on the power supply frame plate 303, the power supply limiting pressure plate 305 is inserted into one side of the limiting pressure plate jackscrew 306, and the limiting pressure plate jackscrew 306 is screwed; then, the power bin cover plate 307, the limiting sleeve 4 and the inner round needle sleeve control part connecting rod 5 which are connected are arranged on the power bin side plate 301 and are riveted and fixed with the power bin side plate; then the outer circle needle sleeve slide bar 9 passes through the outer circle needle sleeve slide bar through hole 300 from top to bottom and is fixedly connected with the outer edge of the outer circle needle sleeve seat 8 at the lower end; a position, close to the upper position, of the outer circular needle sleeve sliding rod 9 is sleeved with a limiting sleeve 901; the chuck 11 is fixed at a proper position of the inner side edge of the outer needle sleeve control part pressure plate 10. After the steps are completed, sleeving the outer cylinder, enabling the four leads to penetrate out of the power line through hole 183 in the outer cylinder 18, connecting the four leads to a control switch, and installing the switch and the charging socket at the power line through hole 183; then a spring 16 and a spring 17 are respectively arranged at the upper ends of the inner circular needle sleeve control connecting rod 5 and the outer circular needle sleeve sliding rod 9; then a limiting base 6, a pressure plate 10 and a pressure handle 7 are sequentially installed, wherein the limiting base 6 is fixedly cemented, and an outer circle needle sleeve sliding rod 9 is fixedly connected with the pressure plate 10 through a rotary pin; inserting the chuck plug pin 15 from an opening at one side of the excircle of the outer cylinder; and then, aligning the upper needle sleeve limiting disc 20 at the lower end of the outer cylinder, fixing the upper needle sleeve limiting disc from the periphery of the outer side of the outer cylinder by using screw pins, and finally, clockwise rotating to wear the control disc 19, thereby completing the assembly.

When a patient needs to pull out the blood pot, the dial control handle 192 is pulled open, the control buckle 191 is opened, the dial 21 is buckled at the bottom end of the needle pricker, the dial control handle 192 is closed, and at the moment, the control buckle 191 buckles the dial 21; the pressing plate 10 is pressed to the bottom (the pressing handle 7 is simultaneously followed), and the needle handles 222 of all the puncture needles enter the needle sleeve; when the pressure plate 10 is released, the pressure plate 10 is restored under the action of the inner round needle sleeve spring 16 and the outer round needle sleeve spring 17, the needle 22 is lifted along with the needle sleeve, and after the needle point is retracted to the needle plate 21, the chuck latch 15 clamps the chuck 11, and the needle inserting device is in a standby state, as shown in fig. 1. When the small can needle is pricked and pulled, the switch is turned on to switch on the power supply, all the pricking pins start to rotate, one hand holds the outer cylinder, the other hand quickly releases the pressing handle 7 after pressing, and the area of the pricked needle eye is the small circular area; when the large can needle is pricked and pulled, one hand holds the outer cylinder, the other hand presses the pressing disc 10 and then quickly releases the pressing disc, at the moment, the pressing handle 7 follows along with the pressing disc, and the pricked eye area is the large circle area; when a patient needs to withdraw the needle after the needle insertion, the draw-in head bolt 15 is pulled out, one hand holds the outer cylinder, the other hand pulls the pressing handle 7, the puncture needle 22 is separated from the needle sleeve along with the needle seat 221 and naturally falls back to the needle dial 21, the needle dial 21 with the puncture needle 22 is detached and then is discarded, and the needle is only used for one time, so that the cross infection is avoided.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or substituted by equivalents without departing from the spirit and scope of the technical solutions, which should be covered by the scope of the claims of the present invention.

Claims (7)

1. An electric needle pricking device for a blood drawing tank is characterized by comprising an inner circular needle sleeve assembly, an outer circular needle sleeve assembly, a rotary driving assembly, a needle dial assembly and a needle dial control assembly, wherein the inner circular needle sleeve assembly comprises an inner circular needle sleeve seat (1), an inner circular needle sleeve hollow tube (2), a power bin, an inner circular needle sleeve limiting sleeve (4), an inner circular needle sleeve control connecting rod (5), a limiting base (6) and a pressing handle (7) which are sequentially connected, and the power bin consists of a power bin base plate (3), two power bin side plates (301), a motor fixing plate (302), a power supply frame plate (303), a power supply baffle plate (304), a power supply pressing plate (305) and a power bin cover plate (307); the outer round needle sleeve assembly comprises an outer round needle sleeve seat (8), an outer round needle sleeve sliding rod (9), an outer round needle sleeve limiting sleeve (901), a chuck (11) and a pressure plate (10) which are connected in sequence; the rotary driving assembly consists of a driving needle sleeve (12), an inner circle driving gear (123), an inner circle driven needle sleeve (121), an inner circle driven gear (124), an outer circle driven needle sleeve (122) and an outer circle driven gear (125); the dial control assembly consists of a limiting disc (20), an outer cylinder (18), a control disc (19), a control buckle (191), a control handle (192) and a control spring (193); the dial assembly consists of a dial (21) and a puncture needle (22).

2. The electric needle pricking device for the blood drawing can of claim 1, wherein the inner round needle sleeve seat is formed by closing an upper round cake and a lower round cake with the same diameter and a cylinder with the same inner diameter; the lower round cake is provided with an inner round needle sleeve through hole and an outer round needle sleeve through hole, the upper round cake is only provided with an outer round needle sleeve through hole (102), and a pit is arranged at the position corresponding to the inner round needle sleeve through hole (101) in the lower round cake; all the inner circle needle sleeve through holes and the outer circle needle sleeve through holes are in clearance fit with the needle sleeves.

3. The electric needle pricker for the blood drawing can of claim 1, characterized in that the power bin side plate (301) and the motor fixing plate (302), the power bin side plate (301) and the power frame plate (303), and the power bin side plate (301) and the power baffle (304) are formed in one step by means of embedding riveting or bonding; the middle of the motor fixing plate (302) is provided with a hole, the aperture of the hole is slightly larger than the diameter of the motor shaft so as to be beneficial to the downward penetration of the motor shaft, and the motor fixing plate (302) is provided with four screw holes to be matched with and fix the motor (13); a large hole is formed in the middle of the power frame plate (303), and the aperture of the large hole is slightly larger than the maximum outer diameter of the motor, so that the motor can be conveniently placed; the edge position symmetry that two power storehouse curb plate (301) lower extreme and power storehouse chassis (3) meet is equipped with outer needle cover slide bar perforation (300) for alternate outer needle cover slide bar (9), outer needle cover slide bar perforation (300) and outer needle cover slide bar (9) clearance fit.

4. The electric needle pricker for the blood drawing pot according to claim 1, characterized in that the outer round needle sleeve seat (8) is formed by butt joint and interference fit of upper and lower two round cakes with equal diameters and middle openings through an outer round needle sleeve hollow tube (802), wherein the lower round cake is provided with an outer round needle sleeve hole (801) for placing an outer round driven needle sleeve; the outer side edge of the upper round cake is provided with an outer circle needle sleeve sliding rod fixing hole, and a screw port is arranged in the hole and is in threaded connection with an outer circle needle sleeve sliding rod (9); the aperture of the hollow tube (802) of the outer circular needle sleeve is slightly larger than the outer diameter of the hollow tube (2) of the inner circular needle sleeve, so that the hollow tube (2) of the inner circular needle sleeve can penetrate through the hollow tube (802) of the outer circular needle sleeve, and the hollow tube (802) of the outer circular needle sleeve is in clearance fit; the outer circle needle sleeve sliding rod (9) is in interference sleeve joint with the outer circle needle sleeve limiting sleeve (901), the outer circle needle sleeve sliding rod (9) is bonded with the pressure plate (10), and the chuck (11) is fixed at a proper position on the inner side of the pressure plate (10).

5. The electric needle pricker for the blood drawing pot according to claim 1, characterized in that the driving needle sleeve (12) is penetrated by an inner circular needle sleeve hollow tube (2), an outer circular needle sleeve hollow tube (802) is connected with a motor shaft, and the lower end is inserted into a central hole of a limiting disc (20); the lower end of the inner circle driven needle sleeve (121) is inserted into the corresponding hole of the limiting disc, and the upper end of the inner circle driven needle sleeve is inserted into the circular cake pit on the inner circle needle sleeve seat; the lower end of the outer circle driven needle sleeve (122) enters a corresponding hole of the limiting disc (20), and the upper end of the outer circle driven needle sleeve is provided with a screw hole and is connected with the outer circle needle sleeve clamping block (126) through the outer circle needle sleeve hole (801); the inner circle driving gear (123) is as long as the inner circle driven gear (124), and the length of the inner circle driving gear is slightly smaller than the distance between an upper cake and a lower cake of the inner circle needle sleeve seat (1); the outer circle driven gear (125) is shorter, the length of the outer circle driven gear is the distance of the needling stroke subtracted from the distance between the upper cake and the lower cake of the inner circle needle sleeve seat (1), and the meshing positions of the inner circle driving gear (123), the inner circle driven gear (124) and the outer circle driven gear (125) can slide relatively; the size and the shape of the inner diameter of the lower end of each needle sleeve are matched with the size and the shape of the outer diameter of the puncture needle handle (222), and all the gears are in interference fit with the needle sleeves.

6. The electric needle pricking device for the blood drawing tin according to claim 1, wherein the needle covering limiting disc (20) is arranged at a proper position at the lower end of the inner side of the outer cylinder (18) and fixed by screws, and the needle covering limiting disc (20) is provided with inner and outer needle covering through holes.

7. The electric needle pricker for the blood drawing tank of claim 1, wherein the diameter of the control disc (19) is larger than the outer diameter of the outer cylinder, threads are arranged on the inner side of the electric needle pricker and are screwed with the lower end band wire of the outer cylinder correspondingly, and a control button (191), a control handle (192) and a control spring (193) are arranged on the outer side of the electric needle pricker in opposite positions.

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