CN114193349B - Manual clamping and releasing device - Google Patents
Manual clamping and releasing device Download PDFInfo
- Publication number
- CN114193349B CN114193349B CN202111347798.3A CN202111347798A CN114193349B CN 114193349 B CN114193349 B CN 114193349B CN 202111347798 A CN202111347798 A CN 202111347798A CN 114193349 B CN114193349 B CN 114193349B
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- China
- Prior art keywords
- fixing
- pawl
- clamping
- release
- fixed seat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
Abstract
The invention discloses a manual clamping and releasing device, which comprises: the release device comprises two handles which are symmetrically arranged, and an elastic component is arranged between the two handles, so that the two handles are close to each other; one end of each grip is fixedly provided with a symmetrical release pin; the clamp comprises a fixed seat, wherein the fixed seat is cylindrical, a pawl mechanism is inserted into the fixed seat, and a spring is arranged between the pawl mechanism and the fixed seat, so that the pawl mechanism can float in the fixed seat; two insertion holes for being matched with the release pins are formed in the end part of the pawl mechanism; the end part of the fixing part is provided with a contracted cone head part, so that the cone head part is inserted into the pawl mechanism; the outer side wall of the fixing part is provided with a clamping pin, so that the clamping pin is matched with the fixing seat of the clamp holder.
Description
Technical Field
The invention relates to the technical field of clamping devices, in particular to a manual clamping and releasing device.
Background
The automatic technology is widely used in the aspects of industry, agriculture, military, scientific research, transportation, business, medical treatment, service, families and the like, and the automatic technology can be adopted to not only liberate people from heavy physical labor, partial mental labor and severe and dangerous working environments, but also expand the organ functions of people, greatly improve the labor productivity, lock the parts and components of the automatic equipment when the parts and components of the automatic equipment are processed, and generally fix the parts and components of the automatic equipment from the inside of the cylinder by utilizing friction force when the outer surface and the circumferential side surface of the cylindrical part are integrally processed.
Disclosure of Invention
The invention aims to provide a manual clamping and releasing device.
To achieve the above object, the present invention adopts the following:
a manual clamping and release device comprising: the release device comprises two handles which are symmetrically arranged, and an elastic component is arranged between the two handles, so that the two handles are close to each other; one end of each grip is fixedly provided with a symmetrical release pin;
the clamp comprises a fixed seat, wherein the fixed seat is cylindrical, a pawl mechanism is inserted into the fixed seat, and a spring is arranged between the pawl mechanism and the fixed seat, so that the pawl mechanism can float in the fixed seat; two insertion holes for being matched with the release pins are formed in the end part of the pawl mechanism;
the end part of the fixing part is provided with a contracted cone head part, so that the cone head part is inserted into the pawl mechanism; the outer side wall of the fixing part is provided with a clamping pin, so that the clamping pin is matched with the fixing seat of the clamp holder.
When the fixing part and the clamp holder are matched to clamp the workpiece, the release device can leave the clamp holder, so that the workpiece can be processed conveniently, and the occupied area of the release device is reduced.
Preferably, the two sides of the handle of the release device are internally extended with baffles. The pick-up degree of the release device is increased, so that the palm has larger stress area when holding the release device.
Preferably, the elastic component comprises a fixed block, two cylindrical channels are formed in the fixed block, elastic blocks are inserted into two ends of each cylindrical channel, and an elastic spring is arranged between the two elastic blocks located in the same cylindrical channel; the outer end of the elastic block is fixedly connected with the handle.
The design of the elastic block can ensure the stability of the two handles when the two handles are close to each other.
Preferably, the elastic block is provided with a strip-shaped slot for limiting the travel and is matched with the clamping block in the cylindrical channel.
Preferably, the pawl mechanism comprises a pawl fixing seat, a cavity for installing a pawl is formed in the pawl fixing seat, the cavity is communicated with the jack, two pawls are arranged in the cavity through two fixing shafts, a pawl reset spring is arranged between one ends of the two pawls corresponding to the jack, the two pawls are matched with the conical head part of the fixing part, and a pin is arranged on the outer surface of the pawl fixing seat and clamped on the inner side wall of the fixing seat.
Preferably, a first fixing groove for matching with the workpiece and a second fixing groove for matching with the fixing part are formed at the lower end of the fixing seat.
The pawl mechanism utilizes the lever principle, two pawls are fastened on the conical head part from two directions, and the pawls provide a vertical locking force for a workpiece.
Preferably, the fixing device further comprises a fixing table connected to the fixing part, wherein the center of the fixing table is inwards recessed to form a positioning cavity for installing a workpiece, and a plurality of bolt holes are formed in the bottom of the positioning cavity and a positioning pin is inserted into the positioning cavity.
The invention has the following advantages:
1. according to the clamp, the workpiece is fixed from the inside through the clamp, a processing space is created for an external workpiece processing device, meanwhile, the stability is guaranteed, and the processing precision is improved. Compared with the traditional fixing mode, the workpiece is prevented from sliding during machining, and then the workpiece is damaged.
2. The release device can rapidly open the clamp holder and release the locking.
Drawings
The following describes the embodiments of the present invention in further detail with reference to the drawings.
Fig. 1 is a schematic view of a manual clamping and releasing device according to the present invention in operation.
Fig. 2 is a schematic view showing the overall structure of the manual clamping and unclamping device according to the present invention when the workpiece is removed.
Fig. 3 is a schematic view of a manual clamping and releasing device release mechanism of the present invention.
Fig. 4 is a schematic view showing the internal structure of a manual clamping and releasing device according to the present invention.
Fig. 5 is a schematic side view of a manual clamping and releasing device release mechanism of the present invention.
Fig. 6 is a schematic top view of a manual clamping and releasing device release mechanism of the present invention.
Fig. 7 is a schematic view of a manual clamping and releasing device of the present invention in a configuration in which the release device is removed during operation.
Fig. 8 is a schematic view of a manual clamping and unclamping device holder according to the present invention.
Fig. 9 is a schematic view of a manual clamping and unclamping device detent mechanism of the present invention.
Fig. 10 is a schematic view showing the internal structure of a pawl mechanism of a manual clamping and releasing device according to the present invention.
Fig. 11 is a schematic structural view of a fixing portion of a manual clamping and releasing device of the present invention.
Fig. 12 is a schematic view of a structure of a fixing table of a manual clamping and releasing device of the present invention.
Fig. 13 is a schematic view of a fixing base structure of a manual clamping and releasing device according to the present invention.
In the drawings, each reference numeral is:
1-remover, 101-grip, 1011-baffle, 102-elastic component, 1021-fixed block, 1022-cylindrical channel, 1023-elastic block, 10231-bar slot, 1024-elastic spring, 103-release pin, 2-gripper, 201-fixed seat, 2011-first fixed slot, 2012-second fixed slot, 202-pawl mechanism, 2021-jack, 2022-pawl fixed seat, 2023-cavity, 2024-pawl, 2025-fixed shaft, 2026-pawl return spring, 203-spring, 204-pin, 3-fixed portion, 301-conical head, 302-snap pin, 4-fixed table, 401-positioning cavity, 402-bolt hole, 403-positioning pin.
Detailed Description
In order to more clearly illustrate the present invention, the present invention will be further described with reference to preferred embodiments. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and that this invention is not limited to the details given herein.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, or detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 13, a manual clamping and releasing device includes: the release device 1 comprises two handles 101 which are symmetrically arranged, and an elastic component 102 is arranged between the two handles 101 to enable the two handles 101 to be close to each other; one end of each grip 101 is fixedly provided with a symmetrical release pin 103; i.e., the elastic component simultaneously plays the roles of resetting the two handles and keeping the distance between the two handles.
It should be noted that when the two handles are close to each other to the minimum distance, there is still a certain distance between the two pins.
A baffle 1011 extends inward from both sides of the grip 101 of the release 1. The comfort level of the release device is increased, so that the palm has larger stress area when holding the release device. The elastic component 102 comprises a fixed block 1021, two cylindrical channels 1022 are formed in the fixed block 1021, elastic blocks 1023 are inserted into the two ends of each cylindrical channel 1022, and an elastic spring 1024 is arranged between the two elastic blocks 1023 in the same cylindrical channel 1022; the outer end of the elastic block 1023 is fixedly connected to the grip 101.
The design of the elastic block can ensure the stability of the two handles when the two handles are close to each other. The design of the elastic component can be replaced by other elastic devices, and the elastic component also belongs to the protection scope of the application.
The elastic blocks 1023 are provided with bar-shaped grooves 10231 for limiting the travel and are matched with the clamping blocks in the cylindrical channels 1022, as shown in fig. 6, the four elastic blocks are provided with bar-shaped grooves, so that the movement travel of the handle can be ensured, and obviously, the length of the bar-shaped grooves is related to the opening angle of the pawl.
As seen in connection with fig. 3-6, the grip of the present application can be used with one hand, allowing the other hand of the worker to continue to operate the remaining instrument.
The clamp holder 2 comprises a fixed seat 201, wherein the fixed seat 201 is cylindrical, a pawl mechanism 202 is inserted into the fixed seat 201, and a spring 203 is arranged between the pawl mechanism 202 and the fixed seat 201, so that the pawl mechanism 202 can be positioned in the fixed seat 201 to float; two insertion holes 2021 for matching with the release pins are formed at the end part of the pawl mechanism 202;
as shown in fig. 7, when a workpiece is machined, the side surface and the upper surface need to be machined at the same time, and the machining instrument is large, and the required working space is large, so that the fixing space reserved for the workpiece is small.
The pawl mechanism 202 includes a pawl fixing base 2022, a cavity 2023 for installing a pawl 2024 is formed in the pawl fixing base 2022, the cavity 2023 is connected to the jack 2021, two pawls 2024 are disposed in the cavity 2023 through two fixing shafts 2025, a pawl return spring 2026 is disposed between one ends of the two pawls 2024 corresponding to the jack 2021, so that the two pawls 2024 are matched with the cone head 301 of the fixing portion 3, and a pin 204 is disposed on the outer surface of the pawl fixing base 2022 and is clamped on the inner side wall of the fixing base 201. The lower end of the fixing seat 201 is provided with a first fixing groove 2011 for matching with a workpiece and a second fixing groove 2012 for matching with the fixing part 3.
The pawl mechanism utilizes the lever principle, two pawls are fastened on the conical head part from two directions, and the pawls provide a vertical locking force for a workpiece. As shown in fig. 8-10, the detent mechanism is better able to engage the securing portion.
The number of the releasers, the holders and the fixing portions in the present application is not one to one, but the number of the releasers is usually one, that is, each worker is provided with one releaser, the number of the holders and the fixing portions is provided with the number of workpieces to be processed, that is, the number of the holders and the fixing portions is provided with the number of the workpieces to be processed at the same time in the process.
A fixing portion 3, wherein a tapered head portion 301 is contracted at an end portion of the fixing portion 3, and the tapered head portion 301 is inserted into the pawl mechanism 202; the outer side wall of the fixing portion 3 has a locking pin 302, so that the locking pin 302 is engaged with the fixing seat 201 of the holder 2.
When the fixing part and the clamp holder are matched to clamp the workpiece, the release device can leave the clamp holder, so that the workpiece can be processed conveniently, and the occupied area of the release device is reduced.
The fixing device further comprises a fixing table 4 connected to the fixing part, wherein the center of the fixing table 4 is recessed inwards to form a positioning cavity 401 for installing a workpiece, and a plurality of bolt holes 402 and a positioning pin 403 are formed in the bottom of the positioning cavity 401 in an inserted mode.
The number of bolt holes 402 in this application is five.
The working principle of the application is as follows:
when the workpiece is required to be clamped, the clamping device penetrates through the workpiece to be pressed downwards, the pawl clamps the conical head under the action of the reset spring, and the workpiece is firmly clamped. When the clamping needs to be released, a release of the device is utilized. The release pin of the release device is inserted into the insertion hole, the pawl is pushed to rotate around the hinge pin, and the pawl is opened to pull out the clamp to release the clamping.
It should be understood that the foregoing examples of the present invention are provided merely for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention, and that various other changes and modifications may be made therein by one skilled in the art without departing from the spirit and scope of the present invention as defined by the appended claims.
Claims (6)
1. A manual clamping and release device, comprising:
the release device comprises two handles which are symmetrically arranged, and an elastic component is arranged between the two handles, so that the two handles are close to each other; one end of each grip is fixedly provided with a symmetrical release pin;
the clamp comprises a fixed seat, wherein the fixed seat is cylindrical, a pawl mechanism is inserted into the fixed seat, and a spring is arranged between the pawl mechanism and the fixed seat, so that the pawl mechanism can float in the fixed seat; two insertion holes for being matched with the release pins are formed in the end part of the pawl mechanism;
the end part of the fixing part is provided with a contracted cone head part, so that the cone head part is inserted into the pawl mechanism; the outer side wall of the fixing part is provided with a clamping pin, so that the clamping pin is matched with the fixing seat of the clamp holder;
the pawl mechanism comprises a pawl fixing seat, a cavity for installing a pawl is formed in the pawl fixing seat, the cavity is communicated with an inserting hole, two pawls are arranged in the cavity through two fixing shafts, a pawl reset spring is arranged between one ends of the two pawls corresponding to the inserting hole, the two pawls are matched with the conical head part of the fixing part, and a pin is arranged on the outer surface of the pawl fixing seat and clamped on the inner side wall of the fixing seat.
2. The manual clamping and release device of claim 1, wherein the release has baffles extending inwardly from opposite sides of the handle.
3. The manual clamping and releasing device according to claim 1, wherein the elastic component comprises a fixed block, two cylindrical channels are formed on the fixed block, elastic blocks are inserted into two ends of each cylindrical channel, and an elastic spring is arranged between the two elastic blocks located in the same cylindrical channel; the outer end of the elastic block is fixedly connected with the handle.
4. A manual clamping and releasing device according to claim 3, wherein the elastic block is provided with a bar-shaped slot for limiting the travel, and is matched with a clamping block in the cylindrical channel.
5. The manual clamping and releasing device according to claim 1, wherein the lower end of the fixing base is provided with a first fixing groove for matching with a workpiece and a second fixing groove for matching with a fixing part.
6. The manual clamping and releasing device according to claim 1, further comprising a fixing table connected to the fixing part, wherein the center of the fixing table is recessed inwards to form a positioning cavity for installing a workpiece, and a plurality of bolt holes are formed in the bottom of the positioning cavity and a positioning pin is inserted into the positioning cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111347798.3A CN114193349B (en) | 2021-11-15 | 2021-11-15 | Manual clamping and releasing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111347798.3A CN114193349B (en) | 2021-11-15 | 2021-11-15 | Manual clamping and releasing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114193349A CN114193349A (en) | 2022-03-18 |
| CN114193349B true CN114193349B (en) | 2023-07-11 |
Family
ID=80647498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111347798.3A Active CN114193349B (en) | 2021-11-15 | 2021-11-15 | Manual clamping and releasing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114193349B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201385225Y (en) * | 2009-04-01 | 2010-01-20 | 大连机床集团有限责任公司 | Chuck-type centering clamping device |
| CN103287992A (en) * | 2013-06-24 | 2013-09-11 | 安徽柳工起重机有限公司 | Counterweight dismounting and mounting device for automobile crane |
| CN203843725U (en) * | 2014-04-30 | 2014-09-24 | 成都海凌达机械有限公司 | Clamping mechanism used for installing grader tire |
| CN105905802A (en) * | 2016-06-16 | 2016-08-31 | 苗运杰 | Electromagnetic rail clamping device |
| CN108331234A (en) * | 2018-01-24 | 2018-07-27 | 江苏南通三建建筑装饰有限公司 | A kind of modularization assembled ceiling structure |
| CN213536509U (en) * | 2020-10-29 | 2021-06-25 | 麦格纳动力总成(江西)有限公司 | Clamping mechanism |
| CN113598897A (en) * | 2021-07-14 | 2021-11-05 | 北京理工大学 | Electric control quick release type puncture needle clamping device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006058891B4 (en) * | 2006-12-04 | 2009-04-09 | Progress-Werk Oberkirch Ag | Device for locking a vehicle seat |
| US9827615B2 (en) * | 2015-12-10 | 2017-11-28 | Hsu-Pin Chuang | Float type clamping mechanism |
-
2021
- 2021-11-15 CN CN202111347798.3A patent/CN114193349B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201385225Y (en) * | 2009-04-01 | 2010-01-20 | 大连机床集团有限责任公司 | Chuck-type centering clamping device |
| CN103287992A (en) * | 2013-06-24 | 2013-09-11 | 安徽柳工起重机有限公司 | Counterweight dismounting and mounting device for automobile crane |
| CN203843725U (en) * | 2014-04-30 | 2014-09-24 | 成都海凌达机械有限公司 | Clamping mechanism used for installing grader tire |
| CN105905802A (en) * | 2016-06-16 | 2016-08-31 | 苗运杰 | Electromagnetic rail clamping device |
| CN108331234A (en) * | 2018-01-24 | 2018-07-27 | 江苏南通三建建筑装饰有限公司 | A kind of modularization assembled ceiling structure |
| CN213536509U (en) * | 2020-10-29 | 2021-06-25 | 麦格纳动力总成(江西)有限公司 | Clamping mechanism |
| CN113598897A (en) * | 2021-07-14 | 2021-11-05 | 北京理工大学 | Electric control quick release type puncture needle clamping device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114193349A (en) | 2022-03-18 |
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