CN203297073U - Low-impulse peristaltic pump head - Google Patents
Low-impulse peristaltic pump head Download PDFInfo
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- CN203297073U CN203297073U CN2013201811160U CN201320181116U CN203297073U CN 203297073 U CN203297073 U CN 203297073U CN 2013201811160 U CN2013201811160 U CN 2013201811160U CN 201320181116 U CN201320181116 U CN 201320181116U CN 203297073 U CN203297073 U CN 203297073U
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- roller
- roller group
- reel
- upper holder
- holder block
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Abstract
The utility model relates to a low-impulse peristaltic pump head which comprises a pump head shell. Two sets of idler wheels are arranged in the pump head shell, phase difference exists between the two sets of idler wheels, each set of idler wheels is provided with an upper pressing block which corresponds to the set of idler wheels, separation blocks are arranged on the upper pressing blocks, and the pump head can meet requirements of multiple models of hoses and can achieve multiple combinations of the hoses through adjustment on the separation blocks. The idler wheel sets are used in cooperation with the upper pressing blocks so as to achieve liquid low-impulse transmission with high precision. An opening and closing mechanism of the upper pressing blocks is simple and ingenious, and can achieve quick opening, closing and dismounting to complete quick replacement of the hoses.
Description
Technical field
The utility model relates to a kind of Wriggling Pump Head, relates in particular to a kind of low pulsation, highi degree of accuracy and is applicable to the Wriggling Pump Head of multiple different model flexible pipe.
Background technique
Wriggling Pump Head is a kind of liquid transporting apparatus.By driver controllable flow speed, pump head makes content in pipe move towards certain orientation by driver drives roller group repeated compression spring tube, and its flow velocity is determined by diameter and the compression speed of pipe.For systems such as LC and perfusions.
The peristaltic pump actuator of existing domestic and international peristaltic pump manufacturer production, the single group of general use roller overstocks flexible pipe or exports without many groups of serial connection pump heads of phase difference, although can increase like this flow still in the situation that number of rollers is constant, can not reduce pulsation and improve precision.
The model utility content
Technical problem to be solved in the utility model is to provide a kind of low pulsation Wriggling Pump Head, and two groups of roller group by one band phase difference act on simultaneously, reduces the transmission pulsation of liquid in flexible pipe, and improves simultaneously precision.
The technological scheme that the utility model solves the problems of the technologies described above is as follows: a kind of low pulsation Wriggling Pump Head, comprise the pump head housing, the reel of rotary roller, upper holder block, main shaft and placement roller is installed in described pump head housing, described upper holder block be positioned at rotary roller directly over, on upper holder block, be provided with open-and-close mechanism.Described rotary roller comprises the first roller group and the second roller group, and described reel has three, is respectively the first reel, the second reel and the 3rd reel, and these three reels are set on main shaft successively.The roller clip of the first roller group, between the first reel and the second reel, and is uniformly distributed centered by main shaft.Same, the roller clip of the 3rd roller group, between the second reel and the 3rd reel, and is uniformly distributed centered by main shaft.The roller of the first roller group and the interlaced distribution of roller that is positioned at the second roller group of the second reel opposite side, make to form phase difference between two groups of roller group, and described phase difference refers to the angle that forms between roller in two groups of roller group.
The beneficial effects of the utility model are: the utility model has two groups of roller structures of phase difference by employing, realizes the low pulsation transmission of liquid, and phase difference compensation also can effectively improve precision.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described upper holder block comprises upper holder block body and explant, the below at two ends, the described upper holder block body left and right position corresponding with the first roller group and the second roller group respectively respectively has an inverted U-shaped breach, the bottom of described inverted U-shaped breach is provided with three adjusted positions for fixing described explant, and described each adjusted position is a recess.An inverted U-shaped breach is equipped with an explant.On described explant, be provided with one with the suitable projection of described recess, the projection of described explant can be inserted a inside in three adjusted positions of corresponding inverted U-shaped breach bottom.
Adopt the beneficial effect of above-mentioned further scheme to be: explant has three adjusted positions, by adjusting explant, facilitates the be installed flexible pipe of different model of user, can realize that two and four flexible pipes assemble.
Further, on described explant, on the side of described projection, be provided with a screw, on described upper holder block body, on the side of described three adjusted positions, be respectively arranged with a screw groove corresponding with the screwhole position on described explant, described explant is by being screwed in screw and screw groove and being fixedly connected with the upper holder block body with the suitable screw of described screw.
Adopt the beneficial effect of above-mentioned further scheme to be: to make explant be connected more firm with the upper holder block body.
Further, the both sides of described explant stretch out respectively from top to bottom gradually, form respectively the pillar structure of an arc shaped surface.
Adopt the beneficial effect of above-mentioned further scheme to be: the arc shaped surface on explant can play the effect of protection flexible pipe.
Further, in described the first roller group and the second roller group, each roller group has the roller more than three and three.
Further, top position, described upper holder block rear and front end is respectively arranged with a tommy bar open-and-close mechanism, described tommy bar open-and-close mechanism comprises little tommy bar, the tommy bar cover, the tommy bar axle, the two ends of described tommy bar axle are semiaxis, and described little tommy bar is flexibly connected with the tommy bar axle is vertical in the neutral position of tommy bar axle, and described tommy bar cover is enclosed within described connection part.
Adopt the beneficial effect of above-mentioned further scheme to be: to adopt simple plate stem open-and-close mechanism, facilitate user's quick mounting and change flexible pipe.
Further, described pump head body and upper holder block all adopt the PPS molding and forming, roller adopts 304 stainless steels, housing adopts PPS (Polyphenylene Sulfide polyphenylene sulfide), the antiseptic property of pump head is improved, and pump head integral body is connected by screw, and makes the monomer pump head no longer loose.
Adopt the beneficial effect of above-mentioned further scheme to be: to adopt quality material, have good serviceability.
The accompanying drawing explanation
Fig. 1 is structure of the present utility model and local rotary roller structural drawing;
Fig. 2 is the plan view that the utility model is removed upper holder block;
Fig. 3 is rotary roller structural drawing of the present utility model;
Fig. 4 is upper holder block bulk junction composition of the present utility model;
Fig. 5 is explant plan view of the present utility model and rear view;
Fig. 6 is the gap structure figure of upper holder block body of the present utility model;
Fig. 7 is the two-in-one pipeline structure figure of extra heavy pipe of the present utility model;
Fig. 8 is the two-in-one or four-in-one pipeline structure figure of tubule of the present utility model.
In accompanying drawing, the list of parts of each label representative is as follows:
1, pump head housing, the 2, second roller group, the 3, first roller group, 4, the first reel, the 5, second reel, the 6, the 3rd reel, 7, little tommy bar, 8, the tommy bar axle, 9, the tommy bar cover, 10, explant 11, upper holder block body, 12, screw groove, 13, the four-in-one adjusted position, 14, two-in-one adjusted position, 15, pillar, 16, projection, 17, the tubule road, 18, extra heavy pipe road, 19, screw, 20, main shaft.
Embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only be used to explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, a kind of low pulsation Wriggling Pump Head, comprise the pump head housing, and the reel of rotary roller, upper holder block, placement roller is installed in described pump head housing, and upper holder block comprises upper holder block body and explant, on the upper holder block body, also is provided with the tommy bar open-and-close mechanism.
As shown in Figure 2, rotary roller comprises two groups of roller group, between roller group, has phase difference.
As shown in Figure 3, in the first roller group 3 and the second roller group 2, three rollers are arranged respectively, the first roller group 3 is arranged between the first reel 4 and the second reel 5, and the second roller group 2 is arranged between the second reel 5 and the 3rd reel 6.In the first roller group 3 and the second roller group 2, three rollers are arranged respectively.The roller of the first roller group and the interlaced distribution of roller that is positioned at the second roller group of the second reel opposite side.That is to say, 120 degree of being separated by between two adjacent rollers in same roller group, be positioned at the roller of the first roller group 3 and the nearest roller that is positioned at the second roller group 2 of being separated by with it, 60 degree of being separated by between two rollers.Be positioned in other words the roller of the second roller group 2 and the nearest roller that is positioned at the first roller group 3 of being separated by with it, 60 degree of being separated by between two rollers, both the phase difference of described the first roller group 3 and the second roller group 2 was 60 degree.
As described in Figure 4, top position, two ends, described upper holder block body left and right is respectively arranged with a tommy bar open-and-close mechanism.Described tommy bar open-and-close mechanism comprises little tommy bar, the tommy bar cover, and the tommy bar axle, the two ends of described tommy bar axle are semiaxis, and described little tommy bar is flexibly connected with the tommy bar axle is vertical in the neutral position of tommy bar axle, and described tommy bar cover is enclosed within described connection part.The below at two ends, upper holder block body left and right respectively has an inverted U-shaped breach in the middle of the position corresponding with the first roller group and the second roller group respectively, the bottom of described inverted U-shaped breach is provided with three adjusted positions of described explant, three adjusted positions be three identical equidistantly and the rectangular recess that is parallel to each other, the projection of explant is inserted a inside in described three adjusted positions.
As shown in Figure 5, the both sides of described explant stretch out respectively, form respectively an arc shaped surface, and arc shaped surface can play the effect of protection flexible pipe.The explant upper surface be provided with one with the suitable cuboid projection of adjusted position structure, on the side of described projection, be provided with a screw.
As shown in Figure 6, three adjusted position sides of the bottom of the inverted U-shaped breach of upper holder block body are respectively arranged with an identical screw groove, and the position of screw groove is corresponding with screwhole position on explant.According to the model size of flexible pipe, the projection of explant is embedded in corresponding recess.The projection of described explant embeds one and is positioned at middle adjusted position, can realize small hose four-in-one or two-in-one output, as shown in Figure 7.The projection of described explant embeds the adjusted position of a upper holder block side the most close, can realize the two-in-one output of thick flexible pipe, as shown in Figure 8.Described explant by with explant on the suitable screw of screw with upper holder block, be fixedly connected with.
Pull little tommy bar downwards, upper holder block is opened, and flexible pipe is put into to pipeline between roller and upper holder block naturally.Upwards pull little tommy bar, upper holder block is closed and locked.Roller group and upper holder block mating reaction, simultaneously squeezing tube, make flow of fluid in flexible pipe, realizes the two-in-one and/or four-in-one output of flexible pipe.Due to the compensating action of phase difference, the utility model is realized the low pulsation of liquid, highi degree of accuracy transmission.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. one kind is hanged down the pulsation Wriggling Pump Head, comprise the pump head housing, in described pump head housing, rotary roller is installed, upper holder block, the reel of main shaft and placement roller, described upper holder block be positioned at rotary roller directly over, on described upper holder block, be provided with open-and-close mechanism, it is characterized in that: described rotary roller comprises the first roller group and the second roller group, described reel has three, it is respectively the first reel, the second reel and the 3rd reel, described three reels are set on described main shaft successively, the roller clip of described the first roller group is between the first reel and the second reel, and be uniformly distributed centered by main shaft, the roller clip of described the second roller group is between the second reel and the 3rd reel, and be uniformly distributed centered by main shaft, the roller of the first roller group and the interlaced distribution of roller that is positioned at the second roller group of the second reel opposite side.
2. a kind of low pulsation Wriggling Pump Head according to claim 1, it is characterized in that, described upper holder block comprises upper holder block body and explant, and the position corresponding with the first roller group and the second roller group respectively has an inverted U-shaped breach respectively below two ends, upper holder block body left and right, the bottom of described inverted U-shaped breach is provided with three adjusted positions for fixing described explant, described each adjusted position is a recess, on described explant, be provided with one with the suitable projection of described adjusted position, the projection of described explant can be inserted a inside in three adjusted positions bottom corresponding inverted U-shaped breach.
3. a kind of low pulsation Wriggling Pump Head according to claim 2, it is characterized in that: on described explant, on the side of described projection, be provided with a screw, on described upper holder block body, on the side of described three adjusted positions, be respectively arranged with a screw groove corresponding with the screwhole position on described explant, the screw of described explant by will be suitable with described screw is screwed in screw and screw groove and is fixedly connected with the upper holder block body.
4. according to claim 2 or 3 described a kind of low pulsation Wriggling Pump Heads is characterized in that: three adjusted positions of described inverted U-shaped breach bottom equidistantly and be arranged mutually parallel.
5. according to claim 2 or 3 described a kind of low pulsation Wriggling Pump Heads, it is characterized in that: the projection of described explant is rectangular, the adjusted position on described upper holder block body is the rectangular recess suitable with described projection.
6. a kind of low pulsation Wriggling Pump Head according to claim 5, it is characterized in that: the both sides of described explant stretch out respectively from top to bottom gradually, form respectively the pillar structure of an arc shaped surface.
7. according to claim 1 and 2 or 3 described a kind of low pulsation Wriggling Pump Heads, it is characterized in that: in described the first roller group and the second roller group, each roller group has the roller more than three and three.
8. according to claim 2 or 3 described a kind of low pulsation Wriggling Pump Heads, it is characterized in that: top position, described upper holder block body rear and front end is respectively arranged with a tommy bar open-and-close mechanism, described tommy bar open-and-close mechanism comprises little tommy bar, the tommy bar cover, the tommy bar axle, the two ends of described tommy bar axle are semiaxis, and described little tommy bar is flexibly connected with the tommy bar axle is vertical in the neutral position of tommy bar axle, and described tommy bar cover is enclosed within described connection part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201811160U CN203297073U (en) | 2013-04-12 | 2013-04-12 | Low-impulse peristaltic pump head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201811160U CN203297073U (en) | 2013-04-12 | 2013-04-12 | Low-impulse peristaltic pump head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203297073U true CN203297073U (en) | 2013-11-20 |
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ID=49573085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201811160U Expired - Lifetime CN203297073U (en) | 2013-04-12 | 2013-04-12 | Low-impulse peristaltic pump head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203297073U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968907A (en) * | 2017-02-10 | 2017-07-21 | 广州中卓智能装备有限公司 | A kind of many flexible pipe dehvery pumps |
| CN108105074A (en) * | 2017-11-27 | 2018-06-01 | 中国科学院苏州生物医学工程技术研究所 | A kind of peristaltic pump diverter control system and control method |
| CN108194332A (en) * | 2017-11-28 | 2018-06-22 | 东莞市松研智达工业设计有限公司 | A kind of peristaltic pump based on hose movement |
| CN113494443A (en) * | 2020-04-03 | 2021-10-12 | 保定准择恒流泵制造有限公司 | Peristaltic pump head and peristaltic pump |
| CN114352507A (en) * | 2021-12-16 | 2022-04-15 | 龙镎 | Continuous precision metering fluid pump |
-
2013
- 2013-04-12 CN CN2013201811160U patent/CN203297073U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968907A (en) * | 2017-02-10 | 2017-07-21 | 广州中卓智能装备有限公司 | A kind of many flexible pipe dehvery pumps |
| CN108105074A (en) * | 2017-11-27 | 2018-06-01 | 中国科学院苏州生物医学工程技术研究所 | A kind of peristaltic pump diverter control system and control method |
| CN108105074B (en) * | 2017-11-27 | 2023-09-12 | 中国科学院苏州生物医学工程技术研究所 | Peristaltic pump diversion control system and control method |
| CN108194332A (en) * | 2017-11-28 | 2018-06-22 | 东莞市松研智达工业设计有限公司 | A kind of peristaltic pump based on hose movement |
| CN113494443A (en) * | 2020-04-03 | 2021-10-12 | 保定准择恒流泵制造有限公司 | Peristaltic pump head and peristaltic pump |
| CN114352507A (en) * | 2021-12-16 | 2022-04-15 | 龙镎 | Continuous precision metering fluid pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131120 |
|
| CX01 | Expiry of patent term |