CN209734666U - Handle assembly of injection pump - Google Patents
Handle assembly of injection pump Download PDFInfo
- Publication number
- CN209734666U CN209734666U CN201822005213.XU CN201822005213U CN209734666U CN 209734666 U CN209734666 U CN 209734666U CN 201822005213 U CN201822005213 U CN 201822005213U CN 209734666 U CN209734666 U CN 209734666U
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- handle
- sector gear
- gear
- shell
- cylindrical gear
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Abstract
The utility model belongs to the technical field of the syringe pump equipment, a syringe pump hand (hold) subassembly is proposed, which comprises an outer shell, the outer rotation of shell is provided with presses the handle, be provided with cylindrical gear one in the shell, cylindrical gear one with press coaxial setting, one side meshing of cylindrical gear one is provided with cylindrical gear five, with five coaxial sector gear three that are provided with of cylindrical gear, one side meshing of sector gear three is provided with sector gear four, cylindrical gear one, sector gear three, sector gear four, cylindrical gear five all rotates and sets up in the shell, sector gear three and sector gear four go up respectively coaxial right clamping handle and the left clamping handle of being provided with, right clamping handle, left clamping handle and pressure all set up outside the shell, the current technical problem that leads to wearing and tearing seriously by fixed bolster locking syringe has been solved.
Description
Technical Field
The utility model belongs to the technical field of the syringe pump equipment, a syringe pump hand (hold) subassembly is related to.
Background
In the actual treatment of a patient, a medical device, a medical syringe pump, which is used to inject a patient is often used. The injection pump is based on a mechanical transmission principle, and the injector is pushed by a mechanical device, so that high-precision, stable and pulse-free liquid transmission is realized. The injection pump is mainly applied to clinical treatment requiring long-time, uniform and accurate control of the injection speed. The handle assembly is a mechanical operation switch capable of accurately controlling opening and closing, and whether the core of the handle assembly can accurately control the opening and closing or not is judged. The existing handle assembly control principle comprises a fixed support, a pressing plate, a spring and the like, and the mechanical structure adopted at present is that the injector is locked by the fixed support to move regularly, but the mode has serious defects, and the fixed support is seriously abraded due to the continuous work of the handle assembly and is often closed or opened, so that the technical problem that the normal injection cannot be performed is easily caused in the infusion process.
SUMMERY OF THE UTILITY MODEL
The utility model provides an injection pump hand (hold) subassembly has solved and has leaned on fixed bolster locking syringe to lead to wearing and tearing serious technical problem.
The technical scheme of the utility model is realized like this:
A syringe pump handle assembly comprising:
The clamp comprises a shell, a pressing handle is rotationally arranged outside the shell, a first cylindrical gear is arranged in the shell, the first cylindrical gear and the pressing handle are coaxially arranged, a fifth cylindrical gear is arranged on one side of the first cylindrical gear in a meshed mode, a third sector gear is coaxially arranged with the fifth cylindrical gear, a fourth sector gear is arranged on one side of the third sector gear in a meshed mode, the first cylindrical gear, the third sector gear, the fourth sector gear and the fifth cylindrical gear are all rotatably arranged in the shell, a right clamping handle and a left clamping handle are coaxially arranged on the third sector gear and the fourth sector gear respectively, and the right clamping handle, the left clamping handle and the pressing handle are all arranged outside the shell.
as a further technical scheme, a locking ring is coaxially arranged between the first cylindrical gear and the pressing handle, a fixing column is arranged on one side of the locking ring, and the locking ring is connected with the fixing column through a return spring.
As a further technical scheme, the lock ring and the fixing column are both arranged in the shell.
As a further technical scheme, the housing comprises a front housing and a rear housing, the right clamp handle and the left clamp handle are arranged outside the front housing, the pressing handle is arranged outside the rear housing, and the fixing column is arranged in the rear housing.
As a further technical scheme, pressure heads are arranged on one sides, far away from the cylindrical gear, of the third sector gear and the fourth sector gear, the pressure heads are arranged on a pressure plate through springs, the pressure plate fixes the column on the rear shell through a stud, a pressure sensor is arranged on one side, far away from the pressure heads, of the pressure plate, and the end portions of the pressure heads penetrate out of the front shell.
As a further technical scheme, inner holes of the third sector gear and the fourth sector gear are D-shaped.
compared with the prior art, the utility model discloses theory of operation and beneficial effect do:
1. The utility model discloses in, the hand (hold) subassembly includes the shell, is provided with hand (hold) and left clamp holder, right clamp holder outside the shell, and the hand (hold) is used for the interval of the left clamp holder of artifical rotary control and right clamp holder to press from both sides tightly or loosen the syringe, the coaxial roller gear that is provided with on the rotation axis of hand (hold) one, the roller gear shape is the cylinder, and the one end of cylinder is provided with fan-shaped tooth. One side of the first cylindrical gear is provided with a fifth cylindrical gear, the fifth cylindrical gear is coaxially and rotatably provided with a third sector gear, one side of the third sector gear is provided with a fourth sector gear, the first cylindrical gear is meshed with the fifth cylindrical gear, the third sector gear is coaxially rotated with the fifth cylindrical gear, the third sector gear is meshed with the fourth sector gear, and the first cylindrical gear, the third sector gear, the fourth sector gear and the fifth cylindrical gear are fixed in the shell through fixing bolts and can rotate around the fixing bolts. Catch, fixed column etc. all seal up inside the shell, and the setting up of shell can avoid the dust to get into and influence precision and result of use, also can avoid artifical maloperation to touch inside part and lead to the medical accident.
2. The utility model discloses in, coaxial right clamp holder and the left clamp holder of being provided with respectively again on sector gear three and sector gear four's the rotation axis, consequently, when rotatory hand (hold), the hand (hold) drives cylindrical gear one rotatory, and cylindrical gear drives five rotations of cylindrical gear simultaneously, and cylindrical gear drives five rotations of sector gear three and sector gear four rotations to it is rotatory to the direction of being close to or keeping away from to drive left handle and right handle. When the left handle and the right handle are close to each other, the syringe placed between the left handle and the right handle is clamped, and when the left handle and the right handle are far away from each other, the syringe is loosened so as to be taken out.
The rotary clamp handle replaces a fixed support, so that the abrasion of the handle assembly is greatly reduced, the abrasion degree is reduced, and the stability of the medical equipment is improved. The rotation of the clamp handle is adjusted by rotating the handle through the mutual matching of the gears, the structure is simplified, and the manufacture is easy.
3. The utility model discloses in, be provided with the catch on the rotation axis of roller gear one, when people's irrotational hand (hold), the catch is used for the position of fixed hand (hold). The hand (hold) synchronous revolution of catch is provided with a fixed column on the rotatory route of catch, the catch passes through reset spring with the fixed column to be connected, when the irrotational hand (hold), the catch holds through reset spring with the fixed column, can not rotate at will, after rotatory hand (hold) certain angle, reset spring receives the extrusion, left handle and right handle are kept away from each other, the syringe is put between left handle and right handle, loosen the hand, reset spring's reverse effort makes left handle and right handle be close to each other, clip the syringe.
4. The utility model discloses in, shell and back shell before the shell divide into, the one side that left handle and right handle passed is preceding shell, and the one side that the hand (hold) passed is the back shell, and the fixed column of being connected through reset spring and catch is fixed to be set up on the inner wall of back shell.
5. the utility model discloses in, sector gear three and sector gear four below are provided with the pressure head, and the one end of pressure head is worn out the front shell and is set up between left handle and right handle outward, and the pressure head other end passes through the spring setting on the clamp plate, and one side that the spring was kept away from to the clamp plate is provided with pressure sensor, and this pressure sensor is the purchase on the market. The end part of the injector is placed between the left clamp handle and the right clamp handle and is abutted against the pressure head, the pressure is transmitted to the pressure sensor on one side of the pressing plate by the pressure head extruding spring, the pressure sensor is connected with an electrical element of the circuit board, the pressure times and intervals are detected and recorded, and whether the injector is clamped or not can be accurately controlled and detected.
6. The utility model discloses in, sector gear three and sector gear four's hole is D shape hole, and the rotating shaft tip of left hand handle and right hand handle also is D shape, therefore the rotating shaft inserts D downthehole, and handle and sector gear's relative rotation can be avoided to this kind of shape.
Drawings
the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the rear housing of the present invention;
FIG. 2 is a schematic view of the front housing structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the utility model after the front shell is opened;
FIG. 4 is a schematic structural view of the utility model after the shell is opened;
FIG. 5 is a schematic view of the front and rear housings of the present invention;
FIG. 6 is a schematic diagram of the right-side cross-sectional structure of the present invention;
Fig. 7 is a schematic structural view of a sector gear of the present invention;
fig. 8 is a structural schematic view of the locking ring and the return spring of the present invention;
In the figure: 1-pressing handle, 21-cylindrical gear I, 23-sector gear III, 24-sector gear IV, 25-cylindrical gear V, 31-right clamping handle, 32-left clamping handle, 4-locking ring, 51-fixing column, 52-return spring, 6-shell, 61-front shell, 611-through hole, 62-rear shell, 91-pressure head, 92-spring, 93-pressing plate and 94-pressure sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
as shown in fig. 1-8, the present invention provides a handle assembly for a syringe pump, comprising:
the shell 6, the outer rotatory pressure that is provided with of shell 6 is 1, be provided with a cylindrical gear 21 in the shell, a cylindrical gear 21 with press 1 coaxial setting, one side meshing of a cylindrical gear 21 is provided with five 25 of cylindrical gear, be provided with three 23 of sector gear with five 25 coaxial of cylindrical gear, one side meshing of three 23 of sector gear is provided with four 24 of sector gear, a cylindrical gear 21, three 23 of sector gear, four 24 of sector gear, five 25 of cylindrical gear all rotate the setting in shell 6, be provided with right clamp handle 31 and left clamp handle 32 on three 23 of sector gear and the four 24 of sector gear respectively coaxial, right clamp handle 31, left clamp handle 32 all set up outside shell 6 with pressure 1.
In the embodiment, the handle assembly comprises a shell 6, a pressing handle 1, a left clamping handle 32 and a right clamping handle 31 are arranged outside the shell 6, the pressing handle 1 is used for manually rotating and controlling the distance between the left clamping handle 32 and the right clamping handle 31 so as to clamp or loosen the injector, a cylindrical gear I21 is coaxially arranged on a rotating shaft of the pressing handle 1, the cylindrical gear is cylindrical, and one end of the cylindrical gear is provided with sector teeth. One side of the first cylindrical gear 21 is provided with a fifth cylindrical gear 25, the fifth cylindrical gear 25 is coaxially and rotatably provided with a third sector gear 23, one side of the third sector gear 23 is provided with a fourth sector gear 24, the first cylindrical gear 21 is meshed with the fifth cylindrical gear 25, the third sector gear 23 coaxially rotates with the fifth cylindrical gear 25, the third sector gear 23 is meshed with the fourth sector gear 24, and the first cylindrical gear 21, the third sector gear 23, the fourth sector gear 24 and the fifth cylindrical gear 25 are all fixed in the shell 6 through fixing bolts and can rotate around the fixing bolts.
In this embodiment, the rotating shafts of the third sector gear 23 and the fourth sector gear 24 are respectively and coaxially provided with the right clamping handle 31 and the left clamping handle 32, so that when the pressing handle 1 is rotated, the pressing handle 1 drives the first cylindrical gear 21 to rotate, the first cylindrical gear 21 synchronously drives the fifth cylindrical gear 25 to rotate, and the fifth cylindrical gear 25 drives the third sector gear 23 and the fourth sector gear 24 to rotate, thereby driving the left handle and the right handle to rotate towards the direction close to or away from each other. When the left handle and the right handle are close to each other, the syringe placed between the left handle and the right handle is clamped, and when the left handle and the right handle are far away from each other, the syringe is loosened so as to be taken out.
the fixed support is replaced by the rotary clamp handle in the embodiment, so that the abrasion of the handle assembly is greatly reduced, the abrasion degree is reduced, and the stability of the medical equipment is improved. The rotation of the clamp handle is adjusted by rotating the pressing handle 1 through the mutual matching of a plurality of gears, the structure is simplified, and the manufacture is easy.
Further, a locking ring 4 is coaxially arranged between the first cylindrical gear 21 and the pressing handle 1, a fixed column 51 is arranged on one side of the locking ring 4, and the locking ring 4 is connected with the fixed column 51 through a return spring 52.
In this embodiment, a locking ring 4 is provided on the rotating shaft of the first cylindrical gear 21, and the locking ring 4 is used for fixing the position of the pressing handle 1 when a person does not rotate the pressing handle 1. The pressure of catch 4 is provided with a fixed column 51 in 1 synchronous revolution, the rotatory route of catch 4, catch 4 passes through reset spring 52 with fixed column 51 and is connected, when the irrotational pressure is 1, catch 4 and fixed column 51 are pulled through reset spring 52, can not rotate at will, after the rotatory certain angle of pressing handle 1, reset spring 52 receives the extrusion, left handle and right handle are kept away from each other, the syringe is put between left handle and right handle, loosen the hand, reset spring 52's reverse effort makes left handle and right handle be close to each other, clip the syringe.
further, the lock ring 4 and the fixing column 51 are both arranged in the housing 6.
In this embodiment, catch 4, fixed column 51 etc. all seal inside shell 6, and the setting of shell 6 can avoid the dust to get into and influence precision and result of use, also can avoid artifical maloperation to touch inside part and lead to the medical malpractice.
Further, the housing 6 comprises a front housing 61 and a rear housing 62, the right grip handle 31 and the left grip handle 32 are arranged outside the front housing 61, the press handle 1 is arranged outside the rear housing 62, and the fixing column 51 is arranged inside the rear housing 62.
in this embodiment, the housing 6 is divided into a front housing 616 and a rear housing 626, the surface through which the left and right handles pass is the front housing 616, the surface through which the handle 1 passes is the rear housing 626, and the fixing post 51 connected to the locking ring 4 through the return spring 52 is fixedly disposed on the inner wall of the rear housing 626.
Further, a pressure head 91 is arranged on one side, away from the first cylindrical gear 21, of the third sector gear 23 and the fourth sector gear 24, the pressure head 91 is arranged on a pressure plate 93 through a spring 92, the pressure plate 93 is fixed on the rear shell 62 through a stud, a pressure sensor 94 is arranged on one side, away from the pressure head 91, of the pressure plate 93, and the end portion of the pressure head 91 penetrates out of the front shell 61.
In this embodiment, a pressure head 91 is disposed below the third sector gear 23 and the fourth sector gear 24, one end of the pressure head 91 penetrates out of the front housing 616 and is disposed between the left handle and the right handle, the other end of the pressure head 91 is disposed on the pressure plate 93 through a spring 92, a pressure sensor 94 is disposed on one side of the pressure plate 93 away from the spring 92, and the pressure sensor 94 is a commodity on the market.
In this embodiment, the end of the syringe is placed between the left grip holder 32 and the right grip holder 31 and pressed against the pressure head 91, the pressure head 91 presses the spring 92 to transmit the pressure to the pressure sensor 94 on the side of the pressure plate 93, the pressure sensor 94 is connected to the electrical components of the circuit board to detect and record the pressure times and intervals, and whether the syringe is clamped or not can be accurately controlled and detected.
furthermore, the inner holes of the third sector gear 23 and the fourth sector gear 24 are both D-shaped.
In this embodiment, the inner holes of the third sector gear 23 and the fourth sector gear 24 are both D-shaped holes, and the end portions of the rotating shafts of the left handle and the right handle are also D-shaped, so that the rotating shafts are inserted into the D-shaped holes, and the shape can prevent the relative rotation of the handles and the sector gears.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A handle assembly of an injection pump is characterized by comprising a shell (6), a pressing handle (1) is rotatably arranged outside the shell (6), a cylindrical gear I (21) is arranged in the shell, the cylindrical gear I (21) and the pressing handle (1) are coaxially arranged, one side of the cylindrical gear I (21) is meshed with a cylindrical gear V (25), a sector gear III (23) is coaxially arranged with the cylindrical gear V (25), one side of the sector gear III (23) is meshed with a sector gear IV (24),
The first cylindrical gear (21), the third sector gear (23), the fourth sector gear (24) and the fifth cylindrical gear (25) are rotatably arranged in the shell (6), the third sector gear (23) and the fourth sector gear (24) are respectively and coaxially provided with a right clamping handle (31) and a left clamping handle (32), and the right clamping handle (31), the left clamping handle (32) and the pressing handle (1) are all arranged outside the shell (6).
2. a handle assembly for a syringe pump according to claim 1, wherein a locking ring (4) is coaxially arranged between the first cylindrical gear (21) and the pressing handle (1), a fixing post (51) is arranged on one side of the locking ring (4), and the locking ring (4) is connected with the fixing post (51) through a return spring (52).
3. A syringe pump handle assembly according to claim 2, wherein the locking ring (4), the fixing post (51) are both disposed within the housing (6).
4. a syringe pump handle assembly according to claim 3, wherein the housing (6) comprises a front housing (61) and a rear housing (62), the right grip handle (31) and the left grip handle (32) are disposed outside the front housing (61), the press handle (1) is disposed outside the rear housing (62), and the fixing post (51) is disposed inside the rear housing (62).
5. The handle assembly of the injection pump according to claim 4, wherein a pressure head (91) is arranged on one side of the sector gear three (23) and the sector gear four (24) away from the cylindrical gear one (21), the pressure head (91) is arranged on a pressure plate (93) through a spring (92), the pressure plate (93) is fixed on the rear housing (62) through a stud, a pressure sensor (94) is arranged on one side of the pressure plate (93) away from the pressure head (91), and an end of the pressure head (91) penetrates out of the front housing (61).
6. A syringe pump handle assembly according to claim 1, wherein the inner bores of the third sector gear (23) and the fourth sector gear (24) are D-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822005213.XU CN209734666U (en) | 2018-12-03 | 2018-12-03 | Handle assembly of injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822005213.XU CN209734666U (en) | 2018-12-03 | 2018-12-03 | Handle assembly of injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209734666U true CN209734666U (en) | 2019-12-06 |
Family
ID=68702424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822005213.XU Active CN209734666U (en) | 2018-12-03 | 2018-12-03 | Handle assembly of injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209734666U (en) |
-
2018
- 2018-12-03 CN CN201822005213.XU patent/CN209734666U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |