CN106151014B - A kind of hydraulic pump rotation pressure relief mechanism with limit locking functions - Google Patents
A kind of hydraulic pump rotation pressure relief mechanism with limit locking functions Download PDFInfo
- Publication number
- CN106151014B CN106151014B CN201610751823.7A CN201610751823A CN106151014B CN 106151014 B CN106151014 B CN 106151014B CN 201610751823 A CN201610751823 A CN 201610751823A CN 106151014 B CN106151014 B CN 106151014B
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- China
- Prior art keywords
- head
- boss
- handle
- pressure release
- rotary shaft
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a kind of hydraulic pumps with limit locking functions to rotate pressure relief mechanism, including mounting base and rotation pressure release handle, the described pressure release handle one end that turns is mounted in mounting base, the other end is provided with handle head, the mounting base is located at handle head side and is equipped with rotary shaft, and gag lever post is installed on the rotary shaft, rotary shaft one end is provided with the limit club head boss that is connected Chong Die with handle head on the gag lever post, the mounting base with rotary shaft is ipsilateral is additionally provided with mounting plate, it is located at below the boss of gag lever post head on the mounting plate and spring holder is installed, and it is provided with below return spring and limit club head boss and is connected on spring holder.The present invention solves the problems, such as that existing pressure release handle causes to loosen disabler because elastic slice generates permanent deformation, further improves the security reliability of hydraulic pump rotation pressure release by being provided with return spring.
Description
Technical field
The invention belongs to medical device components fields, are specifically related to a kind of hydraulic pump rotation with limit locking functions
Turn pressure relief mechanism.
Background technique
Currently, hydraulic pump has been widely used for medical instruments field, but existing hydraulic pump rotation pressure release handle mostly without
Anti-loose structure, therefore hydraulic pump pressure release is led to by unconscious touching in the presence of rotation pressure release handle in use, to disease
It is artificial at damaging to a certain degree.
The safety of pressure release handle in use is rotated to improve hydraulic pump, guarantees patient safety, Publication No.
The Chinese patent of CN104929926A disclose it is a kind of with locking functions hydraulic pump rotation pressure relief device, including mounting base and
The rotation pressure release handle being set in mounting base, the mounting base are made of bottom plate and the transition plates being connected with bottom plate, institute
The head for stating transition plates is provided with boss；The rotation pressure release handle is made of handle bar portion and handle head, wherein handlebar
Portion is connected with bottom plate, and the handle head is additionally provided with the block contacted with transition plates, and the stop bottom two sides are provided with
Chamfering, the mounting base are elastic construction, and are made of nonmetallic materials.Although the pressure relief device improves to a certain extent
Hydraulic pump rotates the safety in use of pressure release handle, guarantees patient safety, but due to passing through when rotating handle under
Cab apron is pressed through, locking functions are realized by head and block, but by being not provided with any resetting apparatus, therefore transition plates is more
It is easy to cause permanent deformation during secondary pushing and loses locking function, so that loosening reliability decrease, there are certain peaces
Full hidden danger, therefore existing hydraulic pump rotation pressure release handle arrangement is ideal not enough, needs to be further improved.
Summary of the invention
To solve the above problems, the present invention provides a kind of hydraulic pumps with limit locking functions to rotate pressure relief mechanism,
The mechanism effectively realizes that hydraulic pump rotates pressure release handle lock function, eliminates safe hidden trouble, guarantees disease by setting return spring
People's safety.
The present invention is achieved by following technical solution.
A kind of hydraulic pump rotation pressure relief mechanism with limit locking functions, including mounting base and rotation pressure release handle, institute
It states and turns pressure release handle one end and be mounted in mounting base, the other end is provided with handle head, and the mounting base is located at handle head one
Side is equipped with rotary shaft, and is equipped with gag lever post on the rotary shaft, is provided with and hand on the gag lever post far from rotary shaft one end
Negative winding stem overlapping is connected limit club head boss, the mounting base with rotary shaft is ipsilateral is additionally provided with mounting plate, the mounting plate
The upper gag lever post head boss lower section that is located at is equipped with spring holder, and return spring and limit are provided on spring holder
It is connected below club head boss.
The handle head of the rotation pressure release handle is provided with the round and smooth inclined-plane in head, and will opposite with the round and smooth inclined-plane in head one
Side is designed to that head is faced directly.
Limit club head boss top is provided with the round and smooth inclined-plane of boss, and will face setting on one side for contact directly at head
Boss is counted into face directly.
The gag lever post is gap-matched with rotary shaft.
The width that the head is faced directly is greater than the width that boss is faced directly.
It is 4mm~8mm that the head, which is faced directly and faces length of overlapped part directly with boss,.
The beneficial effects of the present invention are:
Pressure relief mechanism is rotated using hydraulic pump of the present invention, when rotation pressure release handle rotates to limit to closing direction
When club head boss, continue increase rotary force, rotate pressure release handle the round and smooth inclined-plane in head with limit club head boss it is round and smooth
Contact of incline plane makes gag lever post overcome return spring elastic force to move downward around rotary shaft, and rotation pressure release handle head crosses gag lever post
Head boss, gag lever post return to elemental height position under return spring effect, and limit club head boss is made to block rotation pressure release
Handle head can effectively prevent rotation pressure release handle to rotate to opening direction and loosen, cause the improper pressure release of hydraulic pump, guarantee disease
People's safety.Due to being provided with return spring, solving existing pressure release handle because elastic slice generates permanent deformation leads to psychosomatic relaxation
The problem of capable of failing, further improves the security reliability of hydraulic pump rotation pressure release.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
In figure: 1- rotary shaft, 2- gag lever post, 3- mounting base, 4- spring holder, 5- return spring, 6- rotate pressure release hand
Handle, 21- limit club head boss, the round and smooth inclined-plane of 22- boss, and 23- boss is faced directly, 31- mounting plate, the round and smooth inclined-plane in the head 61-,
62- handle head, 63- are faced directly on head.
Specific embodiment
Technical solution of the present invention is further described with reference to the accompanying drawing, but claimed range is not limited to institute
It states.
As shown in Figure 1, a kind of hydraulic pump with limit locking functions of the present invention rotates pressure relief mechanism, including peace
It fills seat 3 and rotation pressure release handle 6, described 6 one end of pressure release handle that turns is mounted in mounting base 3, the other end is provided with handle head
62, the mounting base 3 is located at 62 side of handle head and is equipped with rotary shaft 1, and gag lever post 2 is equipped in rotary shaft 1, described
1 one end of rotary shaft is provided with the limit club head boss 21 that is connected Chong Die with handle head 62, the mounting base on gag lever post 2
3 with rotary shaft 1 is ipsilateral is additionally provided with mounting plate 31, be located at below gag lever post head boss 21 on the mounting plate 31 and bullet be installed
Spring positioning pin 4, and be provided with below return spring 5 and limit club head boss 21 and be connected on spring holder 4.Using this skill
Art scheme continues to increase rotary force, rotation when rotation pressure release handle 6 rotates to limit club head boss 21 to closing direction
The handle head 62 of pressure release handle 6 is contacted with limit club head convex 21, and gag lever post 2 is made to overcome 5 elastic force of return spring around rotary shaft 1
It moves downward, the handle head 62 of rotation pressure release handle 6 crosses limit club head boss 21, and gag lever post 2 is in return spring 5
Elemental height position is returned under effect, is limited club head boss 21 at this time and is blocked on the handle head 62 of rotation pressure release handle 6, prevents
The spin-ended pressure release handle 6 that turns is loosened to opening direction rotation, causes the improper pressure release of hydraulic pump, when product needs pressure release, downwards
Pressing limit club head boss 21, and rotation pressure release handle 6 is rotated into open position, realize normal decompression function.
To guarantee the rotation locking reliability of pressure release handle 6 and easily operated property, the handle head of the rotation pressure release handle 6
62 are provided with the round and smooth inclined-plane 61 in head, and will be designed to that head faces 63 directly with round and smooth 61 opposite side of inclined-plane in head；The limit
21 top of club head boss is provided with the round and smooth inclined-plane 22 of boss, and will be designed to that on one side boss is straight with face 63 contacts directly at head
Face 23.Continue to add when rotation pressure release handle 6 rotates to 2 head boss 21 of gag lever post to closing direction using the technical solution
Big rotary force, the head inclined-plane 61 for rotating pressure release handle 6 are contacted with the round and smooth inclined-plane 22 of boss on limit club head boss 21, by
Then round and smooth contact of incline plane transition is used, it is in operation, relatively labor-saving, and gag lever post 2 can be made steadily to overcome return around rotary shaft 1
5 elastic force of spring moves downward, without generating vibration and sound；The handle head 62 of rotation pressure release handle 6 crosses limit head
After portion's boss 21, gag lever post 2 returns to elemental height position under the effect of return spring 5, faces directly so that boss faces 22 directly with head
63 are in close contact, to make to limit the handle head 62 that club head boss 21 blocks rotation pressure release handle 6, can effectively prevent rotating
Pressure release handle 6 is rotated to opening direction and is loosened, and causes the improper pressure release of hydraulic pump, guarantees patient safety.
Turn the locking reliable of pressure release handle to be further ensured that, the head faces 63 directly, and with boss to face 23 laps directly long
Degree is 4mm~8mm.
The gag lever post 2 is gap-matched with rotary shaft 1.Ensure that gag lever post 2 can be rotated around rotary shaft 1.
It blocks, improves locking reliable to ensure that the handle head 62 of rotation pressure release handle 6 can be limited club head boss 21
Property, the width that the head faces 63 directly is greater than the width that boss faces 23 directly.It can guarantee limit club head boss 21 on head in this way
It faces the offset space for having any on 63 directly, avoids limiting there are influence when installation error and loosen reliability.
Claims (5)
1. a kind of hydraulic pump with limit locking functions rotates pressure relief mechanism, it is characterised in that: including mounting base (3) and rotation
Pressure release handle (6), described rotation pressure release handle (6) one end are mounted on mounting base (3), and the other end is provided with handle head
(62), the mounting base (3) is located at handle head (62) side and is equipped with rotary shaft (1), and installs on rotary shaft (1) limited
Position bar (2) is provided on the gag lever post (2) far from rotary shaft (1) one end and Chong Die with handle head (62) connected limits head
Portion's boss (21), the mounting base (3) with rotary shaft (1) is ipsilateral is additionally provided with mounting plate (31), the mounting plate (31) is upper
It is equipped with spring holder (4) below limit club head boss (21), and is provided with return spring on spring holder (4)
(5) it is connected with below limit club head boss (21)；
The handle head (62) of rotation pressure release handle (6) is provided with the round and smooth inclined-plane in head (61), and will be round and smooth tiltedly with head
Face (61) opposite side is designed to that (63) are faced on head directly.
2. a kind of hydraulic pump with limit locking functions according to claim 1 rotates pressure relief mechanism, it is characterised in that:
Limit club head boss (21) top is provided with the round and smooth inclined-plane of boss (22), and will face the one side that (63) contact directly with head
It is designed to that boss faces (23) directly.
3. a kind of hydraulic pump with limit locking functions according to claim 1 rotates pressure relief mechanism, it is characterised in that:
The gag lever post (2) is gap-matched with rotary shaft (1).
4. a kind of hydraulic pump with limit locking functions according to claim 2 rotates pressure relief mechanism, it is characterised in that:
The width that (63) are faced on the head directly is greater than the width that boss faces (23) directly.
5. a kind of hydraulic pump with limit locking functions according to claim 2 rotates pressure relief mechanism, it is characterised in that:
(63) are faced on the head directly and boss faces (23) length of overlapped part directly as 4mm~8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610751823.7A CN106151014B (en) | 2016-08-29 | 2016-08-29 | A kind of hydraulic pump rotation pressure relief mechanism with limit locking functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610751823.7A CN106151014B (en) | 2016-08-29 | 2016-08-29 | A kind of hydraulic pump rotation pressure relief mechanism with limit locking functions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106151014A CN106151014A (en) | 2016-11-23 |
| CN106151014B true CN106151014B (en) | 2019-01-29 |
Family
ID=57343822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610751823.7A Active CN106151014B (en) | 2016-08-29 | 2016-08-29 | A kind of hydraulic pump rotation pressure relief mechanism with limit locking functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106151014B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4340236C2 (en) * | 1992-11-26 | 1997-03-27 | Wilhelm Lupold | Pump valve unit for a hydraulic cylinder |
| CN101338739A (en) * | 2007-07-04 | 2009-01-07 | 熊青松 | Pressure energy hydraulic generating set |
| CN204827896U (en) * | 2015-06-29 | 2015-12-02 | 贵州新安航空机械有限责任公司 | A rotatory pressure release handle structure for hydraulic pump |
| CN206071856U (en) * | 2016-08-29 | 2017-04-05 | 贵州新安航空机械有限责任公司 | A kind of rotation of the hydraulic pump with spacing locking functions pressure release handle arrangement |
-
2016
- 2016-08-29 CN CN201610751823.7A patent/CN106151014B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106151014A (en) | 2016-11-23 |
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