CN115059664B - Clean type locking device - Google Patents
Clean type locking device Download PDFInfo
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- CN115059664B CN115059664B CN202210610763.2A CN202210610763A CN115059664B CN 115059664 B CN115059664 B CN 115059664B CN 202210610763 A CN202210610763 A CN 202210610763A CN 115059664 B CN115059664 B CN 115059664B
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- positioning
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- 230000007704 transition Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229960000074 biopharmaceutical Drugs 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2/00—Friction-grip releasable fastenings
- F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
- F16B2/06—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action
- F16B2/10—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action using pivoting jaws
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/12—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model provides a clean locking device, which is characterized by comprising: a main body part having a first connection end and a second connection end; a shaft portion provided at the first connection end; one end of the connecting rod is arranged on the shaft part and can rotate around the shaft part, and the connecting rod is provided with a buckling part matched with the second connecting end; the actuating unit comprises a handle and a forced supporting part connected with the handle, the handle is hinged on the shaft part, and the forced supporting part moves between a forced position and a relaxed position relative to the second connecting end; the fixing unit comprises a positioning unit, and the positioning unit is matched with the positioning hole when the handle is in the tightening position so as to fix the handle with the main body; the buckling part comprises a gear selection piece, and the gear selection piece is provided with a first position and a second position.
Description
Technical Field
The utility model relates to a clean locking device.
Background
There are many interfaces that need to be connected in the pharmaceutical industry field of sanitary level, such as pipeline, jar class container, various pump valve instruments and meters, and industry such as bio-pharmaceuticals, daily cosmetics instrument have very strict demands to aseptic, remain, dead angle, cleanliness factor etc.. The traditional clamp is screwed down through the lock nut, the screwing force is different every time, the gasket can be thinned by screwing down, the gasket is easy to damage, and the joint is easy to leak. Because junction size space is standard, can extrude unnecessary packing ring after the too tight, form the arch with the inner wall to appear the dead angle, cause the jam easily, and there is the material to flow the back to have to wash away the phenomenon in inside, long-time use can wash the packing ring away to mix into the material, lead to very big production incident, influence medicine food safety. And too loose can lead the joint (or the gasket of the joint) to form a groove, or leak due to the loose seal, and the groove has the material accumulation, is not easy to clean, and also affects the safety of medicines and foods. Moreover, the conventional clip using a lock nut has the following disadvantages: frequent disassembly is easy to bite; the clamp can be loosened accidentally; the operation is inconvenient, and two people are required to operate simultaneously.
The Chinese patent with the authorized bulletin number of CN209781928 discloses a handle type quick-release clamp which comprises a belt provided with an opening; one end of the belt opening is coiled to form a first cavity, and the other end is coiled to form a second cavity; the inner side of the belt is welded with three sections of arc-shaped clamp bodies; the device also comprises a quick-release structure; the quick-dismantling structure comprises a handle, a transmission connecting block, a screw and an outer hexagonal nut; the handle is rotationally connected to the first cavity through a first rotating shaft; one end of the transmission connecting block is rotationally connected to the handle through a second rotating shaft; a T-shaped connecting rod with a three-way structure is rotationally arranged in the second cavity; the screw rod is connected to the T-shaped connecting rod in a penetrating way, and a cross rod is arranged at one end of the screw rod, which is close to the transmission connecting block; the cross rod is connected with the transmission connecting block in a clamping way; one end of the screw, which is far away from the transmission connecting block, is provided with an outer hexagon nut. The similar clamping band locked by the nut also has the problems when being applied to the field of the sanitary pharmaceutical industry.
The utility model patent in China with the bulletin number of CN210068664U and the bulletin day of 2020 month 2 discloses a quick connecting device for a rod piece, which comprises a clamping ring I, a clamping ring II, a mounting block, a bolt and a handle nut, wherein wedge-shaped grooves for clamping the rod piece are formed in the inner edges of the clamping ring I and the clamping ring II, the end parts of the clamping ring I and the clamping ring II are hinged through rotating shafts, the end-to-end connection of the rotating shafts of the clamping ring I is further provided with a clamping ring II connecting part, the connecting part of the clamping ring II is provided with an opening groove, the end-to-end connection of the rotating shafts of the clamping ring II is further hinged to the end parts of the bolt, the handle nut is connected to the bolt through threads, the bolt is used for connecting the opening groove, and the mounting block is further provided with a connecting hole for connecting the rod piece. In the utility model, the handle nut can be inserted into a tool through the through hole formed by the handle nut, and the handle nut can be rotated to fasten or unfasten the handle nut, so that the problem that the tightening force is different every time is also solved, and the problem of over-loosening or over-tightening can be caused. The two sides of the rotating shaft are provided with the two connecting holes, the connecting holes have the function of installing the installing block on the rod piece through the screws and are used for fixing the clamping ring I and the clamping ring II, the fixing mode is troublesome to operate, and additional holes are needed on the rod piece.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide the clean locking device with reasonable structural design.
The technical scheme adopted by the embodiment of the utility model for solving the problems is as follows: a clean locking device, comprising:
a main body part having a first connection end and a second connection end;
a shaft portion provided at the first connection end;
one end of the connecting rod is arranged on the shaft part and can rotate around the shaft part, and the connecting rod is provided with a buckling part matched with the second connecting end;
the actuating unit comprises a handle and a forced supporting part connected with the handle, the handle is hinged on the shaft part, and the forced supporting part moves between a forced position and a relaxed position relative to the second connecting end; and
the fixing unit is provided with a positioning protrusion on the main body part, a positioning hole is formed in the positioning protrusion, and the fixing unit comprises a positioning unit which is matched with the positioning hole when the handle is in the tightening position so as to fix the handle with the main body part;
the buckling part comprises a gear selection part, the gear selection part is provided with a first position and a second position, and when the first position and the second position are switched, the distance from the gear selection part to the shaft part is changed.
The end part of the buckling part is provided with a first positioning part, the gear selection piece is provided with a second positioning part and a third positioning part, and when the second positioning part and the third positioning part of the gear selection piece are respectively matched with the first positioning part, the gear selection piece can be switched between the first position and the second position.
The first positioning portion comprises a positioning convex portion, the second positioning portion comprises a first positioning groove, and the third positioning portion comprises a second positioning groove.
According to the embodiment of the utility model, the gear selector is sleeved on the connecting rod, and when the connecting rod is matched with the second connecting end and the forced supporting part is positioned at the forced position, the gear selector is pressed between the end part of the buckling part and the second connecting end.
The pressing and supporting part is provided with a pressing surface and a releasing surface, the distance from the pressing surface to the shaft part is larger than the distance from the releasing surface to the shaft part, and the pressing surface and the releasing surface are in smooth transition.
The main body part of the embodiment of the utility model comprises a first component and a second component, wherein the first component and the second component are hinged, one end of the first component forms the first connecting end, and one end of the second component forms the second connecting end.
In the embodiment of the utility model, the outline of the inner side of the handle is matched with the shape of the outer surface of the first component, and the handle is attached to the first component when in the tightening position.
In the embodiment of the utility model, the outer side of the first member is provided with the accommodating groove, and at least a part of the handle in the thickness direction is arranged in the accommodating groove when the handle is in the tightening position.
The positioning protrusion is arranged in the accommodating groove, the positioning unit comprises a positioning part and an elastic part, the handle is provided with a mounting hole, the elastic part is arranged in the mounting hole, the positioning part is matched with the elastic part to realize the scalability of the positioning part, and the positioning part is matched with the positioning hole.
The second connecting end of the embodiment of the utility model is provided with a clamping groove and a stop part, and when the connecting rod is accommodated in the clamping groove, the buckling part abuts against the stop part.
Compared with the prior art, the utility model has one or more of the following advantages or effects: the structure is simple, and the design is reasonable; the connecting rod and the actuating unit are matched, so that the operation is simple, the quick locking can be finished, the locking size (strength) is fixed, the compression amount of the sealing ring can be ensured to be the same, and the sealing ring is prevented from being overtightened or overtightened; the buckling part has the function of gear selection, so that the application range of the locking device can be widened; the actuating unit can be used repeatedly, the abrasion problem of screw thread fit in the prior art does not exist, the service life is longer, and the structure is more stable.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic perspective view of a clean locking device according to an embodiment of the present utility model, showing the clean locking device in an unlocked state.
Fig. 2 is a schematic front view of a clean locking device according to an embodiment of the present utility model, which shows the clean locking device in a locked state.
Fig. 3 is a top view of fig. 2.
FIG. 4 is a partial schematic view showing the engagement of the shaft portion with the shaft hole.
Fig. 5 is a schematic perspective view of the connecting rod.
Fig. 6 is a schematic perspective view of the second connecting rod, showing it in the first position.
Fig. 7 is a schematic perspective view of a third embodiment of the connecting rod, shown in a second position.
Fig. 8 is a schematic perspective view of a clean locking device according to an embodiment of the utility model.
Fig. 9 is an enlarged view at a in fig. 8.
Fig. 10 is a schematic structural view of the positioning unit.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The present utility model will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present utility model and not limited to the following examples.
Referring to fig. 1 to 10, the clean type locking device of the present embodiment includes a main body portion 1, a shaft portion 2, a connection rod 3, and an actuating unit 4.
The main body 1 in this embodiment has a first connection end 101 and a second connection end 102. The inner side of the main body part 1 forms a clamping space, and the size of the clamping space can be adjusted by adjusting the distance between the first connecting end 101 and the second connecting end 102.
In this embodiment, the shaft 2 is disposed at the first connection end 101.
The connecting rod 3 in this embodiment has one end disposed on the shaft 2 and rotatable about the shaft 2, and the connecting rod 3 has a fastening portion 31 that mates with the second connecting end 102. The connecting rod 3 can rotate to the second connecting end 102 and is connected with the second connecting end 102.
The actuating unit 4 in this embodiment includes a handle 41 and a pressing portion 42 connected to the handle 41, wherein the handle 41 is hinged to the shaft 2, and the handle 41 and the pressing portion 42 may be integrally formed or may be separately formed. The force supporting portion 42 moves between a tightening position and a releasing position relative to the second connecting end 102, and in the tightening position, the force supporting portion 42 pushes the first connecting end 101 to tighten the distance between the first connecting end 101 and the second connecting end 102, and when the fastening portion 31 of the connecting rod 3 is fastened to the second connecting end 102, the locking can be completed, and in the releasing position, the connecting rod 3 can be taken out from the second connecting end 101, and at this time, the locking device is released. The actuating unit 4 in the embodiment adopts the principle of a lever to realize compression, and the structure is simpler. In the present embodiment, the stroke of the actuating unit 4 is fixed, that is, when the position of the fastening portion 31 is unchanged (in the same gear), the clamping space is highly uniform, and the problem of loose or tight clamping does not occur.
The handle 41 in this embodiment is provided with a shaft hole 43 that is matched with the shaft portion 2, the shaft hole 43 is a oblong hole, and when in a relaxed position, the handle 41 can move a certain distance away from the first connection end 101 through the shaft hole 43, so that the handle 41 can be more beneficial to operation and locking.
The buckling portion 31 of the present embodiment includes a gear selector 311, the gear selector 311 has a first position and a second position, and when the first position and the second position are switched, the distance from the gear selector 311 to the shaft 2 is changed, so that when the fastening position is in the fastening position, the distance between the first connecting end 101 and the second connecting end 102 is adjustable, i.e. the size of the clamping space is adjustable. Moreover, the adjustable range of the clamping space (namely, the clamping space is provided with two gears) is determined, and the problem of over-tightening or over-loosening when the threaded connection is adopted for adjustment in the prior art can not occur for different use scenes.
In the embodiment, the connecting rod 3 and the actuating unit 4 are matched, so that the operation is simple, the quick locking can be finished, the locking size (strength) is fixed, and the compression amount of the sealing ring can be ensured to be the same; the buckling part 31 has the function of gear selection, so that the application range of the locking device can be improved; the actuating unit 4 can be repeatedly used, the abrasion problem of screw thread fit in the prior art does not exist, the service life is longer, and the structure is more stable.
In the present embodiment, the end of the fastening portion 31 is provided with a first positioning portion 312, the gear selector 311 has a second positioning portion 3111 and a third positioning portion 3112, and when the second positioning portion 3111 and the third positioning portion 3112 of the gear selector 311 are respectively engaged with the first positioning portion 312, the gear selector can be switched between the first position and the second position. As shown in fig. 6 and 7, the state of the first position and the second position is shown, and the holding space is larger in the first position than in the second position.
The first positioning portion 312 of the present embodiment includes a positioning protrusion 3121, the second positioning portion 3111 includes a first positioning groove, and the third positioning portion 3112 includes a second positioning groove. When the positioning protrusion 3121 is respectively engaged with the first positioning groove or the second positioning groove, the gear selector 311 can be switched between the first position and the second position.
In this embodiment, the gear selector 311 is sleeved on the connecting rod 3, and when the connecting rod 3 is matched with the second connecting end 102 and the pressing portion 42 is located at the pressing position, the gear selector 311 is pressed between the end of the fastening portion 31 and the second connecting end 102. When the gear selector 311 rotates relative to the connecting rod 3, the second positioning portion 3111 or the third positioning portion 3112 can be selected to cooperate with the first positioning portion 312.
The urging portion 42 of the present embodiment has an urging surface 421 and a releasing surface 422, wherein a distance between the urging surface 421 and the shaft portion 2 (a central axis of the shaft portion 2) is greater than a distance between the releasing surface 422 and the shaft portion 2, and the urging surface 421 and the releasing surface 422 are smoothly transited.
The main body 1 of this embodiment includes a first member 11 and a second member 12, the first member 11 and the second member 12 are hinged, one end of the first member 11 forms the first connection end 101, and one end of the second member 12 forms the second connection end 102.
In this embodiment, the profile of the inner side of the handle 41 matches the shape of the outer surface of the first member 11, and in the tightening position, the handle 41 is attached to the first member 11. To reduce the size of the locking device occupied by the handle 41 in the locked state.
In this embodiment, the accommodating groove 111 is provided on the outer side of the first member 11, and at least a part of the handle 41 in the thickness direction is provided in the accommodating groove 111 in the tightening position. To further reduce the size of the locking means occupied by the handle 41 in the locked state.
The locking device in this embodiment may further comprise a fixing unit 5. In the embodiment, a positioning protrusion 1111 is disposed in the accommodating groove 111 (the main body 1), and a positioning hole 1112 is disposed in the positioning protrusion 1111. The fixing unit 5 includes a positioning unit 51 so that in the urging position, the positioning unit 51 cooperates with the positioning hole 1112 to fix the handle 41 with the main body portion 1 so as to be held in the urging position.
The positioning unit 51 in this embodiment includes a positioning portion 511 and an elastic member 512, the handle 41 is provided with a mounting hole, the elastic member 512 is disposed in the mounting hole, and the positioning portion 511 is matched with the elastic member 512, so that the positioning portion 511 can be telescopic, when the positioning portion 511 extends out of the mounting hole and is buckled into the positioning hole 1112, the handle 41 and the main body 1 can be fixed, and when the positioning portion 511 is pressed down, the elastic potential energy of the elastic member 512 is overcome, the handle 41 and the main body 1 can be separated to release the locking state. The structure can lock the locking state of the locking device, is convenient to disassemble and assemble, and is very convenient to operate.
In this embodiment, when no external force is applied, the positioning portion 511 extends out of the mounting hole by the elastic member 512. The elastic member 512 in this embodiment may be a spring.
In this embodiment, the second connecting end 102 has a locking groove 1021 and a stop 1022, and when the connecting rod 3 is accommodated in the locking groove 1021, the locking portion 31 abuts against the stop 1022.
The foregoing description of the utility model is merely exemplary of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions, without departing from the scope of the utility model as defined in the accompanying claims.
Claims (6)
1. A clean locking device, comprising:
a main body part having a first connection end and a second connection end;
a shaft portion provided at the first connection end;
one end of the connecting rod is arranged on the shaft part and can rotate around the shaft part, and the connecting rod is provided with a buckling part matched with the second connecting end;
the actuating unit comprises a handle and a forced supporting part connected with the handle, the handle is hinged on the shaft part, and the forced supporting part moves between a forced position and a relaxed position relative to the second connecting end; and
the fixing unit is provided with a positioning protrusion on the main body part, a positioning hole is formed in the positioning protrusion, and the fixing unit comprises a positioning unit which is matched with the positioning hole when the handle is in the tightening position so as to fix the handle with the main body part;
the buckling part comprises a gear selection part, the gear selection part is provided with a first position and a second position, and when the first position and the second position are switched, the distance from the gear selection part to the shaft part is changed;
the end part of the buckling part is provided with a first positioning part, the gear selection piece is provided with a second positioning part and a third positioning part, and when the second positioning part and the third positioning part of the gear selection piece are respectively matched with the first positioning part, the gear selection piece can be switched between the first position and the second position;
the second connecting end is provided with a clamping groove and a stopping part, and when the connecting rod is accommodated in the clamping groove, the buckling part abuts against the stopping part;
the first positioning part comprises a positioning convex part, the second positioning part comprises a first positioning groove, and the third positioning part comprises a second positioning groove;
the gear selector is sleeved on the connecting rod, and when the connecting rod is matched with the second connecting end and the forced supporting part is positioned at the forced position, the gear selector is pressed between the end part of the buckling part and the second connecting end.
2. The clean locking device of claim 1, wherein: the pressing and supporting part is provided with a pressing surface and a loosening surface, the distance from the pressing surface to the shaft part is larger than the distance from the loosening surface to the shaft part, and the pressing surface and the loosening surface are in smooth transition.
3. The clean locking device of claim 1, wherein: the main body part comprises a first component and a second component, the first component and the second component are hinged, one end of the first component forms the first connecting end, and one end of the second component forms the second connecting end.
4. A clean locking device according to claim 3, wherein: the profile of the inner side of the handle matches the shape of the outer surface of the first member, and in the tightening position the handle is applied to the first member.
5. The clean locking device of claim 4, wherein: the outer side of the first component is provided with a containing groove, and at least one part of the handle in the thickness direction is arranged in the containing groove when the handle is in the tightening position.
6. The clean locking device of claim 5, wherein: the positioning unit comprises a positioning part and an elastic component, wherein a mounting hole is formed in the handle, the elastic component is arranged in the mounting hole, the positioning part is matched with the elastic component to achieve the scalability of the positioning part, and the positioning part is matched with the positioning hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210610763.2A CN115059664B (en) | 2022-05-31 | 2022-05-31 | Clean type locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210610763.2A CN115059664B (en) | 2022-05-31 | 2022-05-31 | Clean type locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115059664A CN115059664A (en) | 2022-09-16 |
| CN115059664B true CN115059664B (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210610763.2A Active CN115059664B (en) | 2022-05-31 | 2022-05-31 | Clean type locking device |
Country Status (1)
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| CN (1) | CN115059664B (en) |
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| CN115059664A (en) | 2022-09-16 |
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