CN210613771U

CN210613771U - Movable iron ring

Info

Publication number: CN210613771U
Application number: CN201921588595.1U
Authority: CN
Inventors: 杨志秋
Original assignee: Guangdong Yi Mei Chemical Technology Co Ltd
Current assignee: Guangdong Yi Mei Chemical Technology Co Ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-05-26
Anticipated expiration: 2029-09-23

Abstract

The utility model discloses a movable hoop, which comprises a clamping mechanism and a fixed rod fixedly connected with the clamping mechanism; the clamping mechanism comprises a fixed clamp, a movable clamp and a driving mechanism, the fixed clamp is of an annular structure, a slide way is arranged on the fixed clamp and is of an annular structure, and the slide way extends to the outside from the inside of the movable clamp along the annular direction of the movable clamp; the movable clamp is in sliding fit with the slide way, one end of the movable clamp is arranged in the slide way, and the other end of the movable clamp extends to the outside from the slide way; the fixed clamp is provided with a ratchet structure, the slide way is internally provided with a return spring, one end of the return spring acts on the inner end of the slide way, and the other end of the return spring acts on the movable clamp. This activity hoop not only has good fixed effect to the funnel, but also can conveniently will be connected with the funnel of conveyer pipe and install on the activity hoop or dismantle it from the activity hoop, and process operation is simple, can effectively save the time of installation with dismantling experimental apparatus.

Description

Movable iron ring

Technical Field

The utility model relates to an experimental apparatus field, concretely relates to activity hoop.

Background

In the laboratory, do the experiment and often use the iron stand platform to carry out some experiments, for example the experiment such as distillation, reposition of redundant personnel and alcohol burner heating, to fixing the funnel on the iron stand platform, mainly press from both sides through the funnel and fix the funnel, current funnel presss from both sides mainly to fix the funnel on the iron stand platform through the ring. However, since the funnel clamp is a closed ring, when an experiment is to be started, an experimental instrument needs to be installed, and in the installation process, a conveying pipe connected to the funnel needs to be detached from the funnel to fix the funnel on the funnel clamp, and then the conveying pipe is installed on the funnel clamp; when the experiment is completed, the experimental instrument needs to be disassembled, and the funnel can be disassembled from the funnel clamp only after the conveying pipe is disassembled from the funnel clamp. This makes in the installation of laboratory glassware is dismantled, and process operation is loaded down with trivial details, and the cost time is more, presss from both sides at the funnel in addition with the conveyer pipe and detaches from the funnel, and the operation is comparatively inconvenient, and dismantles the process and presss from both sides the collision with the funnel very easily, damages the funnel.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to overcome the above-mentioned problems, and provides a movable hoop, which not only has a good fixing effect for the funnel, but also can conveniently install the funnel and the conveying pipe connected to the funnel on the movable hoop; also can dismantle the funnel that is connected with the conveyer pipe from the activity iron ring together, then detach funnel and conveyer pipe, process operation is simple, can effectively save the time of installation with dismantling experimental apparatus to can also avoid pressing from both sides the collision with funnel and funnel in the dismantlement process, damage the funnel.

The purpose of the utility model is realized through the following technical scheme:

a movable hoop comprises a clamping mechanism for clamping a funnel and a fixed rod fixedly connected to the clamping mechanism, and is characterized in that the clamping mechanism comprises a fixed clamp, a movable clamp arranged on the fixed clamp and a driving mechanism for driving the movable clamp to move; the fixed clamp is of an annular structure, the outer part of the fixed clamp is fixedly connected with one end of the fixed rod, a slide way is arranged on the fixed clamp and is of an annular structure, and the slide way extends to the outer part from the inner part of the movable clamp along the annular direction of the movable clamp; the movable clamp is in sliding fit with the slide way, one end of the movable clamp is arranged in the slide way, and the other end of the movable clamp extends to the outside from the slide way;

the fixed clamp is provided with a ratchet structure which enables the movable clamp to perform one-way sliding, the slide way is internally provided with a reset spring which drives the movable clamp to automatically reset, one end of the reset spring acts on the inner end of the slide way, and the other end of the reset spring acts on the movable clamp.

The working principle of the movable iron ring is as follows:

before an experiment begins, when a funnel needs to be fixed by a movable iron ring, firstly, a movable clamp is kept in a slide way under the action of a return spring, an opening is formed on the side edge of a fixed clamp, the funnel connected with a conveying pipe can be moved into the fixed clamp from the opening on the side edge of the fixed clamp, then the movable clamp is driven by a driving mechanism, so that the movable clamp slides outwards from the slide way by taking the elasticity of the return spring into account, and the opening is gradually reduced in the sliding process of the movable clamp until the funnel is fixed between the fixed clamp and the movable clamp; under the self-locking action of the ratchet wheel structure, the movable clamp can only move outwards in a single direction along the slide way, so that the movable clamp is always urged to move towards the direction of reducing the opening, and the funnel is installed.

After the experiment is accomplished, when needing to dismantle the funnel, at first hold up the funnel certain distance, then through control ratchet structure for move and press from both sides and lose the self-locking action, under reset spring's drive, make to move and press from both sides automatic re-setting, along the slide inward movement, the opening grow gradually, will be connected with the funnel driven clamp of conveyer pipe after that and take out along the opening direction, accomplish the dismantlement of funnel.

The utility model discloses an optimal scheme, wherein, the slide is eccentric structure for the center of deciding the clamp, and its benefit lies in, because the slide is eccentric structure for the center of deciding the clamp, when actuating mechanism drive moved the clamp, decides the clamp and moves the space between the clamp and reduce gradually, has realized the change of the spatial position of fixed funnel for this activity hoop can adapt to the funnel of different specifications, design benefit.

The utility model discloses a preferred scheme, wherein, ratchet structure sets up the pawl on deciding the clamp including setting up moving the rack that presss from both sides the upper end and rotating, be equipped with the elastic component on the pawl, the elastic component makes the pawl support tightly on the rack. Through setting up rack and pawl, can realize moving the unidirectional movement of pressing from both sides relative slide, play the effect of auto-lock.

Preferably, the driving mechanism comprises a driving piece, and the driving piece is arranged at one end of the movable clamp far away from the slide way. The driving piece can be driven to move before the fixed clamp is driven to slide outwards along the slide way, and then the movable clamp is driven to move, so that the operation is simpler and more convenient.

Preferably, the driving mechanism comprises a gear arranged on the fixed clamp, driving teeth arranged on the outer side of the movable clamp and matched with the gear, and a hand wheel connected to the gear spindle. Through setting up above-mentioned structure, can drive gear revolve through rotating the hand wheel to drive and move the clamp along the slide slides, realized dwindling the opening of deciding the clamp, until with the funnel fix decide press from both sides with move between the clamp.

Preferably, the inner surfaces of the fixed clamp and the movable clamp are provided with elastic layers, and the funnel fixing device has the advantages that the elastic layers can play a role in buffering among the movable clamp, the fixed clamp and the funnel, so that the clamping mechanism and the funnel are protected from being damaged, and in addition, the elastic layers can enhance the friction with the surface of the funnel, so that the fixing effect of the funnel is enhanced.

Preferably, the ratchet arrangement further comprises a lever disposed at an opposite end of the pawl. Thus, the self-locking opening and closing of the pawl can be controlled by the rocker.

Compared with the prior art, the utility model following beneficial effect has:

1. the movable iron ring in the utility model is provided with the fixed clamp and the movable clamp, so that the movable clamp can open and close the side opening on the movable clamp in the sliding process of the movable clamp along the slide way movement, and the funnel connected with the conveying pipe can be directly installed on the movable iron ring or can be detached from the movable iron ring through the opening, thereby the operation of the process is simple and convenient, and the time for installing and detaching experimental equipment can be effectively saved; in addition, the funnel fixing device has a good fixing effect on the funnel.

2. Present funnel presss from both sides the installation funnel in-process, at first installs the funnel on the funnel presss from both sides, then on installing the conveyer pipe on the funnel, because the funnel is fixed, the process of installation conveyer pipe is comparatively inconvenient, through the utility model discloses a movable hoop can install the conveyer pipe on the funnel earlier, then through deciding the opening that presss from both sides the side, the funnel that will be connected with the conveyer pipe is installed and is decided to press from both sides and move between the clamp, and it is more convenient to operate.

3. In the process of mounting the funnel in the existing funnel clamp, the conveying pipe is firstly detached from the funnel on the funnel clamp, and then the funnel is taken out from the funnel clamp, so that the funnel clamp is inconvenient to operate, and the funnel clamp are easy to collide in the detaching process, and the funnel is damaged; the utility model discloses in, the opening through deciding the clamp side is together taken out conveyer pipe and funnel, then detaches funnel and conveyer pipe from, can avoid pressing from both sides the collision with funnel and funnel in the dismantlement process effectively, damages the funnel.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of a movable iron ring according to the present invention.

Fig. 2 is a sectional view taken along a-a in fig. 1.

Fig. 3 is a schematic structural diagram of a second embodiment of a movable iron ring according to the present invention.

Fig. 4 is a schematic structural diagram of the driving mechanism in fig. 3.

Fig. 5 is a schematic structural diagram of a third embodiment of the stationary clip of the movable iron ring according to the present invention.

Fig. 6 is a schematic structural view of the ratchet mechanism in fig. 5.

Detailed Description

In order to make those skilled in the art understand the technical solution of the present invention well, the present invention will be further described below with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.

Example 1

Referring to fig. 1-2, a movable hoop comprises a clamping mechanism for clamping a funnel and a fixed rod 10 fixedly connected to the clamping mechanism, wherein the clamping mechanism comprises a fixed clamp 1, a movable clamp 2 arranged on the fixed clamp 1, and a driving mechanism for driving the movable clamp 2 to move; the fixed clamp 1 is of an annular structure, the outer part of the fixed clamp 1 is fixedly connected with one end of the fixed rod 10, a slide way 3 is arranged on the fixed clamp 1, the slide way 3 is of an annular structure, and the slide way 3 extends to the outer part from the inner part of the movable clamp 2 along the annular direction of the movable clamp 2; the movable clamp 2 is in sliding fit with the slideway 3, one end of the movable clamp 2 is arranged in the slideway 3, and the other end of the movable clamp extends to the outside from the slideway 3; the fixed clamp 1 is provided with a ratchet structure 4 for enabling the movable clamp 2 to perform one-way sliding, the slide 3 is internally provided with a reset spring 5 for driving the movable clamp 2 to automatically reset, one end of the reset spring 5 acts on the inner end of the slide 3, and the other end of the reset spring acts on the movable clamp 2.

Referring to fig. 1-2, the slide way 3 is of an eccentric structure relative to the center of the fixed clamp 1, and the advantage is that, because the slide way 3 is of an eccentric structure relative to the center of the fixed clamp 1, when the driving mechanism drives the movable clamp 2, the space between the fixed clamp 1 and the movable clamp 2 is gradually reduced, so that the change of the space position of the fixed funnel is realized, and the movable iron ring can adapt to funnels of different specifications and is ingenious in design.

Referring to fig. 1-2, the ratchet structure 4 comprises a rack 4-1 arranged at the upper end of the movable clamp 2 and a pawl 4-2 rotatably arranged on the fixed clamp 1, and an elastic member is arranged on the pawl 4-2 and urges the pawl 4-2 to abut against the rack 4-1. By arranging the rack 4-1 and the pawl 4-2, the one-way movement of the movable clamp 2 relative to the slideway 3 can be realized, and the self-locking effect is achieved.

Referring to fig. 1, the driving mechanism includes a driving member 6, and the driving member 6 is disposed at an end of the movable clamp 2 away from the slideway 3. The driving device has the advantages that when the driving fixing clamp 1 slides outwards along the slide rail 3, the driving piece 6 can be driven, and then the driving clamp 2 is driven to move, so that the operation is simpler and more convenient.

Referring to fig. 1, the inner surfaces of the fixed clamp 1 and the movable clamp 2 are provided with elastic layers, which has the advantages that the elastic force of the elastic layers can play a role of buffering among the movable clamp 2, the fixed clamp 1 and the funnel, so that the clamping mechanism and the funnel are protected from being damaged, and in addition, the elastic layers can enhance the friction with the surface of the funnel, thereby enhancing the effect of the fastener.

Referring to fig. 1-2, the ratchet mechanism 4 further includes a control lever 4-3, the control lever 4-3 being disposed at an opposite end of the pawl 4-2. Thus, the self-locking opening and closing of the pawl 4-2 can be controlled by the control rod.

The working principle of the movable iron ring is as follows:

before an experiment begins, when a funnel needs to be fixed by a movable iron ring, firstly, a movable clamp 2 is kept in a slide rail 3 under the action of a return spring, an opening is formed on the side edge of a fixed clamp 1, the funnel connected with a conveying pipe can be moved into the fixed clamp 1 from the opening on the side edge of the fixed clamp 1, then the movable clamp 2 is driven by a driving mechanism, so that the movable clamp slides outwards from the slide rail 3 by the elasticity of the return spring 5, and the opening is gradually reduced in the sliding process of the movable clamp 2 until the funnel is fixed between the fixed clamp 1 and the movable clamp 2; under the self-locking action of the ratchet wheel structure 4, the movable clamp 2 can only move outwards in a single direction along the slide way 3, so that the movable clamp 2 is urged to move towards the direction of reducing the opening all the time, and the funnel is installed.

After the experiment is accomplished, when needing to dismantle the funnel, at first hold up the funnel certain distance, then through control ratchet structure 4 for move and press from both sides 2 and lose the self-locking, under reset spring 5's drive, make to move and press from both sides 2 automatic re-setting, along slide 3 inward movement, the opening grow gradually, will be connected with the funnel driven clamp of conveyer pipe after that and take out along the opening direction, accomplish the dismantlement of funnel.

Example 2

Referring to fig. 3-4, unlike embodiment 1, the driving mechanism includes a gear 7 disposed on the stationary clamp 1, a driving tooth 8 disposed on the outer side of the movable clamp 2 and engaged with the gear 7, and a hand wheel 9 connected to the main shaft of the gear 7. Through setting up above-mentioned structure, can drive gear 7 and rotate through rotating hand wheel 9 to drive and move and press from both sides 2 along slide 3 slides and has realized reducing the opening of deciding to press from both sides 1, until fixing the funnel between deciding to press from both sides 1 and moving and pressing from both sides 2.

Example 3

Referring to fig. 5 to 6, unlike

embodiments

1 and 2, in the present embodiment, the clip 1 includes a first body 1-1 at an upper end and a second body 1-2 at a lower end, and the runner 3 is provided between the first body and the second body. This facilitates the processing of the slideway 3 and also facilitates the mounting of the ratchet wheel structure 4 and the drive mechanism.

The above is the preferred embodiment of the present invention, but the embodiment of the present invention is not limited by the above, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. A movable hoop comprises a clamping mechanism for clamping a funnel and a fixed rod fixedly connected to the clamping mechanism, and is characterized in that the clamping mechanism comprises a fixed clamp, a movable clamp arranged on the fixed clamp and a driving mechanism for driving the movable clamp to move; the fixed clamp is of an annular structure, the outer part of the fixed clamp is fixedly connected with one end of the fixed rod, a slide way is arranged on the fixed clamp and is of an annular structure, and the slide way extends to the outer part from the inner part of the movable clamp along the annular direction of the movable clamp; the movable clamp is in sliding fit with the slide way, one end of the movable clamp is arranged in the slide way, and the other end of the movable clamp extends to the outside from the slide way;

2. The movable iron ring according to claim 1, characterized in that said slideway is of eccentric configuration with respect to the centre of the clip.

3. The movable iron ring as claimed in claim 2, wherein the ratchet structure comprises a rack disposed at an upper end of the movable clamp and a pawl rotatably disposed on the stationary clamp, the pawl being provided with an elastic member for urging the pawl against the rack.

4. The movable iron ring according to claim 3, wherein the driving mechanism comprises a driving member disposed on an end of the movable clamp remote from the slideway.

5. The movable iron ring as claimed in claim 3, wherein the driving mechanism comprises a gear wheel disposed on the stationary clamp, a driving tooth disposed on the outer side of the movable clamp and engaged with the gear wheel, and a hand wheel connected to the gear spindle.

6. A movable iron ring as claimed in claim 4 or 5, characterized in that the inner surfaces of the fixed and movable clamps are provided with an elastic layer.

7. The movable iron ring of claim 6, wherein said ratchet structure further comprises a control lever disposed at an opposite end of said pawl.