CN205163770U - Telescoping shoring column for hemodialysis machine - Google Patents
Telescoping shoring column for hemodialysis machine Download PDFInfo
- Publication number
- CN205163770U CN205163770U CN201520911981.5U CN201520911981U CN205163770U CN 205163770 U CN205163770 U CN 205163770U CN 201520911981 U CN201520911981 U CN 201520911981U CN 205163770 U CN205163770 U CN 205163770U
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- pipe
- circular cone
- shell
- cutting ferrule
- pull bar
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Abstract
The utility model belongs to the field of medical equipment, concretely relates to telescoping shoring column for hemodialysis machine, including top tube and low tube, the intraductal cylindric lock that transversely runs through is gone up to installation lug in the upper portion of top tube, and the intraductal pull rod that is equipped with is gone up to cylindric lock and the regulating part interlock that lies in the outside of tubes, and the upper end of pull rod hangs on the cylindric lock, and locking mechanism is connected to the lower extreme, and locking mechanism sets up in the low tube, locking mechanism includes the shell and lies in spring, the circular cone of shell, and circular cone top -down external diameter reduces gradually, the shell card the top tube lower part and with top tube synchronous motion, the pull rod from the upper end penetrate the shell and with circular cone fixed connection, correspond circular cone circumference on a cross section of shell and open and have two at least holes, downthehole installation ball, during locking, the one end of ball and circular cone contact, the other end and low tube contact, spring suit are on the pull rod, its lower extreme contacts with the circular cone. Through the height of the whole lug of the fast enough speed adjusting of this support ability, easy and simple to handle, the medical staff one hand can be operated, the extensive popularization and application of being convenient for.
Description
Technical field
This utility model relates to a kind of haemodialysis control unit telescoping shoring column, belongs to medical instruments field.
Background technology
At present, the height that the support (i.e. drip stand) on market on haemodialysis control unit has can not adjust, and some height can adjust, but adjustment is got up, operation is more loaded down with trivial details, and medical worker operates inconvenience, and the operating time is long.
Utility model content
According to above deficiency of the prior art, the technical problems to be solved in the utility model is: provide a kind of can reduce to operate complexity, be convenient to medical worker's operation, shorten the haemodialysis control unit telescoping shoring column of operating time.
Haemodialysis control unit telescoping shoring column described in the utility model, comprise top tube and down tube, hanger is installed on the top of upper pipe, laterally a straight pin is run through in upper pipe, straight pin and the regulating part interlock be positioned at outside pipe, be provided with pull bar in upper pipe, the upper end of pull bar hangs on straight pin, lower end connects retaining mechanism, and retaining mechanism is arranged in lower pipe; Retaining mechanism comprises shell and is positioned at spring, the circular cone of shell, circular cone from top to bottom external diameter reduces gradually, shell be stuck in pipe bottom and with upper pipe synchronizing moving, pull bar penetrates shell from upper end and is fixedly connected with circular cone, and corresponding circular cone circumference on a cross section of shell has at least two holes, in hole, ball is installed, during locking, one end of ball contacts with circular cone, and the other end contacts with lower pipe, spring housing is contained on pull bar, and its lower end contacts with circular cone.
In support described in the utility model in an initial condition, the ball one end in the shell circumference hole of retaining mechanism contacts with circular cone, and the other end contacts with lower pipe, and upper pipe is in locked position, can not elongate or shorten; Upwardly regulating part, upper end due to pull bar to hang on straight pin and straight pin and regulating part interlock, therefore regulating part moves can drive on pull bar and move, and then the circular cone of drive retaining mechanism moves, the conic section diameter at the contact point place of circular cone and ball is diminished, ball is finally made to be separated with upper pipe, hold regulating part and keep its invariant position, pull pipe up or down, can arbitrarily support be elongated or shortened, in this process, spring is in compressive state all the time; After pulling upper pipe to desired location, promote regulating part downwards, spring resilience under its own resilient effect, the conic section diameter at the contact point place of circular cone and ball becomes greatly, and ball is contacted with upper pipe, and locked position got back to by upper pipe.Because hanger is fixed on upper pipe, therefore by the upper position of pipe of adjustment and the height of adjustable hanger, easy to operate during pipe in adjustment, one hand just can complete, auto lock after adjustment, compared with the drip stand that most of hospital is used, reduce the complexity of operation significantly, shorten the operating time.
Preferably, regulating part is the regulating sleeve be sleeved on outside pipe, convenient operation, straight pin on regulating sleeve and with regulating sleeve interference fit.
Preferably, pull bar bottom has screw thread, and it is passed and is locked by locking nut in circular cone.In this utility model, ball contacts to lock with lower pipe and manages, the degree of spring-compressed when the size of coupling mechanism force depends on that pipe is in locking state, amount of spring compression is larger, coupling mechanism force is larger, and (total compression amount will reserve the decrement of spring when pull bar moves, when the decrement excessive pull bar caused moving when preventing locking, spring can not by the problem compressed), during locking, the decrement of spring is adjusted by locking nut.
In order to prevent upper pipe from skidding off from lower pipe, being also provided with safety barrier in this utility model, being preferably as follows structure:
Safety barrier comprises cutting ferrule and stop collar, cutting ferrule is arranged in the annular gap of pipe and lower pipe, the lower end of cutting ferrule all the time with housing contacts and with shell synchronizing moving, stop collar is fixedly set in lower pipe top, the inwall of stop collar has baffle ring, the internal diameter of baffle ring is less than the external diameter of cutting ferrule, and cutting ferrule is positioned at below baffle ring.The effect of stop collar mainly contains 2 points: one is prevent pipe from rocking in lower pipe, and two is stop that cutting ferrule skids off from lower pipe.The length of cutting ferrule is a safe distance preventing pipe from skidding off from lower pipe, the lower end of cutting ferrule all the time with housing contacts, when the baffle ring that upper pipe extends upwardly the upper end and cutting ferrule growing to cutting ferrule contacts, upper pipe arrives maximal tensility.
The beneficial effect that this utility model is compared with prior art had is:
This utility model reasonable in design, convenient to operation during pipe in adjustment, one hand just can complete, by the height of the position and adjustable hanger that adjust upper pipe, can retaining mechanism auto lock be passed through after adjustment, compared with the drip stand that most of hospital is used, reduce the complexity of operation significantly, shorten the operating time, be convenient to large-scale promotion application.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the partial enlarged drawing at I position in Fig. 1;
Fig. 3 is the partial enlarged drawing at II position in Fig. 1;
Fig. 4 is the A-A profile of Fig. 3.
In figure: 1, push up cap; 2, hanger; 3, upper pipe; 4, regulating part; 5, straight pin; 6, pull bar; 7, stop collar; 8, cutting ferrule; 9, spring; 10, shell; 11, circular cone; 12, locking nut; 13, lower pipe; 14, end cap; 15, hole; 16, ball.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
As shown in figures 1-4, haemodialysis control unit telescoping shoring column described in the utility model, comprises pipe 3 and lower pipe 13, and top cap 1 is installed on upper pipe 3 top, cap 14 at the bottom of lower pipe 13 bottom installation, hanger 2 is installed on the top of upper pipe 3, laterally runs through a straight pin 5 in upper pipe 3, straight pin 5 and regulating part 4 interlock be positioned at outside pipe 3, pull bar 6 is provided with in upper pipe 3, the upper end of pull bar 6 hangs on straight pin 5, and lower end connects retaining mechanism, and retaining mechanism is arranged in lower pipe 13; Retaining mechanism comprises shell 10 and is positioned at spring 9, the circular cone 11 of shell 10, circular cone 11 from top to bottom external diameter reduces gradually, shell 10 be stuck in pipe 3 bottom and with upper pipe 3 synchronizing moving, pull bar 6 penetrates shell 10 from upper end and is fixedly connected with the circular cone 11 of shell 10, corresponding circular cone 11 circumference on a cross section of shell 10 has three holes 15, in hole 15, ball 16 is installed, during locking, one end of ball 16 contacts with circular cone 11, the other end contacts with lower pipe 13, spring 9 is sleeved on pull bar 6, and the lower end of spring 9 contacts with circular cone 11.
In the present embodiment, regulating part 4 for being sleeved on the regulating sleeve outside upper pipe 3, convenient operation, straight pin 5 on regulating sleeve and with regulating sleeve interference fit, pull bar 6 bottom has screw thread, and it is passed and is locked by locking nut 12 in circular cone 11, ball 16 in the hole 15 of shell 10 adopts steel ball, except above-mentioned points, the present embodiment also comprises a safety barrier that can prevent pipe from skidding off from lower pipe, this safety barrier comprises cutting ferrule 8 and stop collar 7, cutting ferrule 8 is arranged on pipe 3 with the annular gap of lower pipe 13, the lower end of cutting ferrule 8 contact with shell 10 all the time and with shell 10 synchronizing moving, stop collar 7 is provided with holding screw and by holding screw, stop collar 7 is fixedly set in lower pipe 13 top, the inwall of stop collar 7 has baffle ring, the internal diameter of baffle ring is less than the external diameter of cutting ferrule 8, cutting ferrule 8 is positioned at below baffle ring, can either prevent upper pipe 3 from rocking in lower pipe 13 by stop collar 7, can stop that again cutting ferrule 8 skids off from lower pipe 13.The length of cutting ferrule 8 is the safe distances preventing pipe 3 from skidding off from lower pipe 13, the lower end of cutting ferrule 8 contacts with shell 10 all the time, when upper pipe 3 extend upwardly the upper end growing to cutting ferrule 8 contact with the baffle ring of cutting ferrule 8 time, upper pipe 3 arrives maximal tensility (now going up the length that pipe 3 stays length in lower pipe 13 and cutting ferrule 8).
In an initial condition, ball 16 one end in the circumferential hole 15 of shell 10 of retaining mechanism contacts with circular cone 11, and the other end contacts with lower pipe 13, and upper pipe 3 is in locked position, can not elongate or shorten; Upwardly regulating part 4, upper end due to pull bar 6 to hang on straight pin 5 and straight pin 5 and regulating part 4 interlock, therefore regulating part 4 moves can drive on pull bar 6 and move, and then the circular cone 11 of drive retaining mechanism moves, circular cone 11 is diminished with circular cone 11 diameter of section at the contact point place of ball 16, ball 16 is finally made to be separated with upper pipe 3, hold regulating part 4 and keep its invariant position, pull pipe 3 up or down, arbitrarily support can be elongated or shortened, in this process, spring 9 is in compressive state all the time; After pulling upper pipe 3 to desired location, promote regulating part 4 downwards, spring 9 resilience under its own resilient effect, circular cone 11 becomes greatly with circular cone 11 diameter of section at the contact point place of ball 16, and ball 16 is contacted with upper pipe 3, and locked position got back to by upper pipe 3.Because hanger 2 is fixed on upper pipe 3, therefore by the upper position of pipe 3 of adjustment and the height of adjustable hanger 2, easy to operate during pipe 3 in adjustment, one hand just can complete, auto lock after adjustment, compared with the drip stand that most of hospital is used, reduce the complexity of operation significantly, shorten the operating time.
Except above-mentioned points, in this utility model, ball 16 contacts with lower pipe 13 and locks pipe 3, the degree that when size of coupling mechanism force depends on that pipe 3 is in locking state, spring 9 compresses, spring 9 decrement is larger, coupling mechanism force is larger, and (total compression amount will reserve the decrement of spring 9 when pull bar 6 moves, when the decrement excessive pull bar 6 caused moving when preventing locking, spring 9 can not by the problem compressed), during locking, the decrement of spring 9 is adjusted by locking nut 12.
Claims (5)
1. a haemodialysis control unit telescoping shoring column, comprise pipe (3) and lower pipe (13), hanger (2) is installed on the top of upper pipe (3), it is characterized in that: in upper pipe (3), laterally run through a straight pin (5), straight pin (5) be positioned at pipe (3) regulating part outward (4) interlock, pull bar (6) is provided with in upper pipe (3), the upper end of pull bar (6) hangs on straight pin (5), lower end connects retaining mechanism, and retaining mechanism is arranged in lower pipe (13), retaining mechanism comprises shell (10) and is positioned at the spring (9) of shell (10), circular cone (11), circular cone (11) from top to bottom external diameter reduces gradually, shell (10) be stuck in pipe (3) bottom and with upper pipe (3) synchronizing moving, pull bar (6) penetrates shell (10) and is fixedly connected with circular cone (11) from upper end, corresponding circular cone (11) circumference on a cross section of shell (10) has at least two holes (15), in hole (15), ball (16) is installed, during locking, one end of ball (16) contacts with circular cone (11), the other end contacts with lower pipe (13), spring (9) is sleeved on pull bar (6), its lower end contacts with circular cone (11).
2. haemodialysis control unit telescoping shoring column according to claim 1, it is characterized in that: described regulating part (4) for being sleeved on upper pipe (3) regulating sleeve outward, straight pin (5) on regulating sleeve and with regulating sleeve interference fit.
3. haemodialysis control unit telescoping shoring column according to claim 1, is characterized in that: described pull bar (6) bottom has screw thread, and it is passed and is locked by locking nut (12) in circular cone (11).
4. the haemodialysis control unit telescoping shoring column according to claim 1,2 or 3, is characterized in that: also comprise a safety barrier that can prevent pipe from skidding off from lower pipe.
5. haemodialysis control unit telescoping shoring column according to claim 4, it is characterized in that: described safety barrier comprises cutting ferrule (8) and stop collar (7), cutting ferrule (8) is arranged on pipe (3) with the annular gap of lower pipe (13), the lower end of cutting ferrule (8) contact with shell (10) all the time and with shell (10) synchronizing moving, stop collar (7) is fixedly set in lower pipe (13) top, the inwall of stop collar (7) has baffle ring, the internal diameter of baffle ring is less than the external diameter of cutting ferrule (8), cutting ferrule (8) is positioned at below baffle ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520911981.5U CN205163770U (en) | 2015-11-13 | 2015-11-13 | Telescoping shoring column for hemodialysis machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520911981.5U CN205163770U (en) | 2015-11-13 | 2015-11-13 | Telescoping shoring column for hemodialysis machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205163770U true CN205163770U (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520911981.5U Active CN205163770U (en) | 2015-11-13 | 2015-11-13 | Telescoping shoring column for hemodialysis machine |
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| Country | Link |
|---|---|
| CN (1) | CN205163770U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110037804A (en) * | 2019-04-26 | 2019-07-23 | 中国人民解放军联勤保障部队第九二〇医院 | A kind of multifunctional medical posture pallet that can adjust height and direction freely |
-
2015
- 2015-11-13 CN CN201520911981.5U patent/CN205163770U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110037804A (en) * | 2019-04-26 | 2019-07-23 | 中国人民解放军联勤保障部队第九二〇医院 | A kind of multifunctional medical posture pallet that can adjust height and direction freely |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |