CN212330863U - Bandage loosening and tightening device - Google Patents
Bandage loosening and tightening device Download PDFInfo
- Publication number
- CN212330863U CN212330863U CN202020705256.3U CN202020705256U CN212330863U CN 212330863 U CN212330863 U CN 212330863U CN 202020705256 U CN202020705256 U CN 202020705256U CN 212330863 U CN212330863 U CN 212330863U
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- CN
- China
- Prior art keywords
- ratchet wheel
- locking mechanism
- support body
- check rod
- rotating shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 238000004804 winding Methods 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 5
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 2
- 230000003993 interaction Effects 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model provides a bandage tensioner, including support body and pivot and the locking mechanism of setting on the support body, the support body is U type structure, and the pivot is rotated and is installed on the support body, the pivot is located the fixed take-up pulley that is equipped with in centre of support body, and the winding has the meshbelt on the take-up pulley, and one side of support body corresponds the pivot and is equipped with locking mechanism, the upper end of support body is equipped with the couple of articulate at equipment relevant position. The locking mechanism prevents the ratchet wheel from rotating through the interaction of the ratchet wheel and the pawl, so that the woven belt is prevented from slipping to cause a falling event; when the woven belt is loosened, only the part of the check rod extending out of the shell needs to be pressed, the pawl and the ratchet wheel are disengaged and connected, and the ratchet wheel and the belt winding wheel synchronously and freely rotate; the device passes through locking mechanism, and the elasticity speed is very fast, saves operating time. The device provides safety guarantee for the installation of large-scale test piece, can use simultaneously in many aspects, for example reinforcing bar, aluminum alloy, aspects such as instrument pile up.
Description
Technical Field
The utility model relates to a belt tensioner technical field specifically is a belt tensioner.
Background
In daily experiments, the used instrument needs manpower to install a large test piece, for example, in a door and window triple test, a whole door and window needs to be manually lifted to the instrument, at least two persons are needed to align the door and window test piece with the instrument, the test piece can be clamped on the instrument through other steps, great physical power needs to be consumed in the process, and one-time installation in place cannot be guaranteed. The test time is prolonged, the progress is slow, and the efficiency is seriously influenced. Therefore, the application file provides a bandage tensioner, which pulls up a test piece through a bandage, and facilitates the installation of the test piece in place.
SUMMERY OF THE UTILITY MODEL
The technical problem solved by the utility model is to provide a bandage tensioner to solve the problem proposed in the above-mentioned background art.
The utility model provides a technical problem adopt following technical scheme to realize: a binding belt tightener comprises a frame body, a rotating shaft and a locking mechanism, wherein the rotating shaft and the locking mechanism are arranged on the frame body, the frame body is of a U-shaped structure, the rotating shaft is rotatably arranged on the frame body, a winding wheel is fixedly arranged in the middle of the frame body, a woven belt is wound on the winding wheel, the locking mechanism is arranged on one side of the frame body corresponding to the rotating shaft, and a hook which is hung at the corresponding position of equipment is arranged at the upper end of the frame body;
the locking mechanism comprises a ratchet wheel, a check rod arranged at the corresponding position of the ratchet wheel and a torsion spring acting on the check rod, the ratchet wheel is fixedly sleeved on the rotating shaft, and the outer end of the rotating shaft penetrating through the locking mechanism is provided with a handle driving the rotating shaft to rotate; the front end of the check rod is provided with a pawl which is meshed with the ratchet wheel and matched with the ratchet wheel, the check rod is rotatably installed on the locking mechanism shell, and the corresponding position of the lower end of the check rod is provided with a torsion spring which acts on the rear half part of the check rod to push the pawl at the front end of the check rod to be attached to the ratchet wheel.
As a further aspect of the present invention: bearing seats are arranged at two ends of the frame body corresponding to the rotating shafts, the rotating shafts are inserted into the bearing seats to be rotationally connected, and the belt winding wheel is sleeved and fixed on the rotating shafts.
As a further aspect of the present invention: the two ends of the belt winding wheel are provided with baffles for preventing the woven belts from deviating, so that the woven belts can be wound orderly, and the lower ends of the woven belts are provided with belt hooks.
As a further aspect of the present invention: a slot with a concave structure is correspondingly arranged between the ratchet wheel and the rotating shaft, and the bolt is fixedly inserted into the slot to fix the ratchet wheel.
As a further aspect of the present invention: the torsion spring is sleeved on a fixing column of the locking mechanism shell, one end, extending out of the spring body, of the torsion spring is fixed on the fixing column, and the other end of the torsion spring is fixed on the non-return rod.
As a further aspect of the present invention: one end, far away from the pawl, of the check rod extends out of a shell of the locking mechanism, and a hole is correspondingly formed in the shell.
Compared with the prior art, the beneficial effects of the utility model are that: the locking mechanism prevents the ratchet wheel from rotating through the interaction of the ratchet wheel and the pawl, so that the woven belt is prevented from slipping to cause a falling event; when the woven belt is loosened, only the part of the check rod extending out of the shell needs to be pressed, the pawl and the ratchet wheel are disengaged and connected, and the ratchet wheel and the belt winding wheel synchronously and freely rotate; the device passes through locking mechanism, and the elasticity speed is very fast, saves operating time. The device provides safety guarantee for the installation of large-scale test piece, can use simultaneously in many aspects, for example reinforcing bar, aluminum alloy, aspects such as instrument pile up.
Drawings
Fig. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
fig. 3 is the internal structure schematic diagram of the locking mechanism of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the specific drawings.
As shown in FIGS. 1-3,
the embodiment provides a binding belt tightener, which comprises a frame body 1, and a rotating shaft 11 and a locking mechanism 2 which are arranged on the frame body 1, wherein the frame body 1 is of a U-shaped structure, the rotating shaft 11 is rotatably arranged on the frame body 1, a winding wheel 12 is fixedly arranged in the middle of the rotating shaft 11 positioned on the frame body 1, a braid 13 is wound on the winding wheel 12, the locking mechanism 2 is arranged on one side of the frame body 1 corresponding to the rotating shaft 11, and a hook 14 which is hung at a corresponding position of equipment is arranged at the upper end of the frame body 1;
the locking mechanism 2 comprises a ratchet wheel 21, a check rod 22 arranged at the corresponding position of the ratchet wheel 21 and a torsion spring 23 acting on the check rod 22, the ratchet wheel 21 is fixedly sleeved on the rotating shaft 11, and the outer end of the rotating shaft 11 penetrating through the locking mechanism 2 is provided with a handle 24 for driving the rotating shaft 11 to rotate; the front end of the check rod 22 is provided with a pawl 25 which is meshed with the ratchet wheel 21 and matched with the ratchet wheel, the check rod 22 is rotatably installed on the shell of the locking mechanism 2, and the corresponding position of the lower end of the check rod 22 is provided with a torsion spring 23 which acts on the rear half part of the check rod 22 and pushes the pawl 25 at the front end of the check rod 22 to be attached to the ratchet wheel 21.
The two ends of the tape winding wheel 12 are provided with baffles 16 for preventing the woven tape 13 from deviating, so that the woven tape 13 can be wound orderly, and the lower end of the woven tape 13 is provided with a tape hook 17 for fixing a test piece conveniently.
A slot with a concave structure is correspondingly arranged between the ratchet wheel 21 and the rotating shaft 11, and the bolt 18 is fixedly inserted into the slot to fix the ratchet wheel 21 and prevent the ratchet wheel 21 from rotating.
The torsion spring 23 is sleeved on a fixing column of the shell of the locking mechanism 2, one end, extending out of the spring body, of the torsion spring 23 is fixed on the fixing column 26, the other end of the torsion spring is fixed on the check rod 22, the rotation amplitude of the check rod 22 is limited by the fixing column 26, and the situation that the rotation amplitude of the check rod 22 is too large to damage the torsion spring 23 is avoided.
The end of the check rod 22 away from the pawl 25 extends out of the housing of the locking mechanism 2, and a hole is correspondingly formed in the housing. Specifically, the person presses the check lever 22 to disengage the pawl 25 from the ratchet 21, and the ratchet 21 is free to rotate, thereby releasing the webbing 13.
The utility model discloses a theory of operation does: the bandage loosening device directly tightens the test piece through the braid 13 and the braid hook 17, the hook 14 on the frame body 1 is fixed at the position higher than the equipment, the braid 13 is tightened by rotating the handle 24, and the braid 13 drives the test piece to rise and installs the test piece at the corresponding position of the equipment. A pawl 25 in the locking mechanism 2 is propped against the ratchet wheel 21 under the action of a torsion spring 23, and the pawl 25 is meshed with the ratchet wheel 21 to prevent the ratchet wheel 21 from rotating; after the installation is finished, a person manually presses the check rod 22, the pawl 25 is separated from the ratchet wheel 21, the ratchet wheel 21 and the belt winding wheel 12 can rotate freely, and the webbing 13 is loosened.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a bandage tensioning ware, includes the support body and sets up pivot and locking mechanism on the support body which characterized in that: the frame body is of a U-shaped structure, the rotating shaft is rotatably installed on the frame body, a winding wheel is fixedly arranged in the middle of the rotating shaft and positioned in the frame body, a braid is wound on the winding wheel, a locking mechanism is arranged on one side of the frame body corresponding to the rotating shaft, and a hook which is hung at the corresponding position of equipment is arranged at the upper end of the frame body;
the locking mechanism comprises a ratchet wheel, a check rod arranged at the corresponding position of the ratchet wheel and a torsion spring acting on the check rod, the ratchet wheel is fixedly sleeved on the rotating shaft, and the outer end of the rotating shaft penetrating through the locking mechanism is provided with a handle driving the rotating shaft to rotate; the front end of the check rod is provided with a pawl which is meshed with the ratchet wheel and matched with the ratchet wheel, the check rod is rotatably installed on the locking mechanism shell, and the corresponding position of the lower end of the check rod is provided with a torsion spring which acts on the rear half part of the check rod to push the pawl at the front end of the check rod to be attached to the ratchet wheel.
2. The strap tensioner of claim 1, wherein: bearing seats are arranged at two ends of the frame body corresponding to the rotating shafts, the rotating shafts are inserted into the bearing seats to be rotationally connected, and the belt winding wheel is sleeved and fixed on the rotating shafts.
3. The strap tensioner of claim 2, wherein: the two ends of the belt winding wheel are provided with baffles for preventing the woven belts from deviating, so that the woven belts can be wound orderly, and the lower ends of the woven belts are provided with belt hooks.
4. The strap tensioner of claim 1, wherein: a slot with a concave structure is correspondingly arranged between the ratchet wheel and the rotating shaft, and the bolt is fixedly inserted into the slot to fix the ratchet wheel.
5. The strap tensioner of claim 4, wherein: the torsion spring is sleeved on a fixing column of the locking mechanism shell, one end, extending out of the spring body, of the torsion spring is fixed on the fixing column, and the other end of the torsion spring is fixed on the non-return rod.
6. The strap tensioner of claim 5, wherein: one end, far away from the pawl, of the check rod extends out of a shell of the locking mechanism, and a hole is correspondingly formed in the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020705256.3U CN212330863U (en) | 2020-04-30 | 2020-04-30 | Bandage loosening and tightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020705256.3U CN212330863U (en) | 2020-04-30 | 2020-04-30 | Bandage loosening and tightening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212330863U true CN212330863U (en) | 2021-01-12 |
Family
ID=74078781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020705256.3U Expired - Fee Related CN212330863U (en) | 2020-04-30 | 2020-04-30 | Bandage loosening and tightening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212330863U (en) |
-
2020
- 2020-04-30 CN CN202020705256.3U patent/CN212330863U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |