CN214943377U - Ratchet type cover plate locking device - Google Patents
Ratchet type cover plate locking device Download PDFInfo
- Publication number
- CN214943377U CN214943377U CN202120014298.7U CN202120014298U CN214943377U CN 214943377 U CN214943377 U CN 214943377U CN 202120014298 U CN202120014298 U CN 202120014298U CN 214943377 U CN214943377 U CN 214943377U
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- ratchet
- cover plate
- support
- pawl
- action rod
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- 238000012545 processing Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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Abstract
The utility model discloses a ratchet type cover plate locking device, which comprises a cover plate, a fixed bolt on the cover plate, a hook handle, an action rod, a ratchet wheel, a pawl and the like; one end of the cover plate is movably connected with the well wall, the other end of the cover plate is a free end, a fixing bolt on the cover plate is fixed on the inner side of the cover plate close to the free end, the support is fixedly connected with the well wall, a cavity with an opening at one end is formed in the support, the hook hand and the ratchet wheel are sleeved on the action rod, the action rod is sleeved with the ratchet wheel, one end of the action rod is also sleeved with a reset elastic piece and extends into the cavity of the support, and the pawl is installed on the end surface of the opening end of the support; when the action rod rotates, the hook hand and the ratchet wheel can rotate along with the action rod, the hook hand rotates the fixed bolt on the locking cover plate along with the action rod, the pawl and the ratchet wheel act, so that the action rod rotates in a single direction, and when the action rod moves along the axial direction of the action rod, the ratchet wheel compresses the reset elastic piece and can be separated from the pawl. The utility model discloses a mechanical principle, the structure is ingenious, and processing is convenient, and locking is reliable and can the nimble unblock.
Description
Technical Field
The utility model belongs to mechanical structure designs the field, concretely relates to ratchet formula apron locking device.
Background
The prior art adopts a bolt locking structure and has the defects of difficult alignment and easy deformation. The cover plate can not be effectively locked in time in the frequently operated equipment training, which is not in line with the actual combat requirement, and the task is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to current bolt locking structure, there is the alignment difficulty, yielding shortcoming, provides a ratchet formula apron locking device, has solved and has equipped the shortcoming that can't in time effectively lock in the practice process, guarantees the normal use of equipping.
The utility model discloses a following technical scheme realizes:
a ratchet type cover plate locking device comprises a cover plate, a fixed bolt on the cover plate, a hook hand, an action rod, a ratchet, a pawl, a support and a reset elastic piece; one end of the cover plate is movably connected with the well wall, the other end of the cover plate is a free end, a fixing bolt on the cover plate is fixed on the inner side of the cover plate close to the free end, the support is fixedly connected with the well wall, a cavity with an opening at one end is formed in the support, the hook hand and the ratchet wheel are sleeved on the action rod, the action rod is sleeved with the ratchet wheel, one end of the action rod is also sleeved with the reset elastic piece and extends into the cavity of the support, and the pawl is installed on the end face of the opening end of the support; when the action bar rotates, the hook hand and the ratchet wheel can rotate along with the action bar, the hook hand can lock the fixed bolt on the cover plate along with the rotation of the action bar, the pawl and the ratchet wheel act, so that the action bar rotates in a single direction, and when the action bar moves along the axial direction of the action bar, the ratchet wheel compresses the reset elastic piece and can be separated from the pawl.
The utility model discloses further improvement lies in, and the elastic component that resets is the spring for providing the support for the action bars, and can press in making the ratchet stretch into to the support in the withdrawal support, thereby realize the unblock, the spring is used for providing elasticity for the action bars resets simultaneously.
The utility model discloses further improvement lies in, and the support is massive structure, and the cavity of seting up in it is circular deep hole for the elastic component that resets provides the guide rail, leaves the pawl unblock for the ratchet and provides the space.
The utility model discloses further improvement lies in that, the ratchet is the multitooth cylindric, and the circular deep hole cooperation in size and the support can come in and go out circular deep hole.
The utility model discloses a further improvement lies in, the pawl is the wedge backing sheet, supports the ratchet and can only rotate round the action bars folk prescription.
The utility model discloses further improvement lies in, the gib hand is the hook of arcuation, and the cooperation of fixed bolt on radian and the apron to the fixed bolt contact surface is seted up threadedly on the gib hand and the apron, is used for increasing the occlusal force.
The utility model discloses a further improvement lies in, and fixing pin is door shape structure on the apron, fixes on the apron.
The utility model discloses a further improvement lies in, and the action bars is cylindrical stock.
The utility model discloses a further improvement lies in, and the one end of apron is through long round pin axle and wall of a well swing joint.
The utility model discloses following profitable technological effect has:
the utility model provides a pair of ratchet formula apron locking device is fixed to remote operation apron and designs, the device that the apron is fixed for needing, and the during operation, the apron is transferred and is target in place, and through the operating action pole, it is rotatory to drive the gib hand, because the cooperation of ratchet and pawl, makes the gib hand can only the rotation of folk prescription, and when fixed bolt was gone up to the contact apron, the shape of gib hand made it hook with the bolt, locking device. During unlocking, the action rod is operated to press downwards, the action rod compresses the reset elastic piece to move downwards in the cavity formed by the support, the pawl does not support the ratchet wheel any longer, the ratchet wheel can rotate in the reverse direction, the action rod is rotated, the hook hand is separated from the fixed bolt on the cover plate, the cover plate is unlocked, the action rod automatically resets under the action of the reset elastic piece, and next operation can be carried out.
Furthermore, the elastic reset piece is a cylindrical reset spring, is in a reset state during working, and has higher rigidity to support devices such as an action rod, a hook hand, a ratchet wheel and the like. When unlocked, the spring 8 is pressed down to rebound the action rod, and meanwhile, the spring is used for providing elastic force for resetting the action rod 4.
Furthermore, the support is of a block structure, a round hole is formed in the supporting surface, the diameter of the round hole is slightly larger than the diameter of the spring, and the depth of the round hole is equal to the initial length of the spring. When the ratchet unlocking device works, the ratchet action rod and the hook hand are supported to move in the hole, and space is provided for unlocking when the ratchet leaves the pawl.
Furthermore, the ratchet wheel is of a cylindrical structure, the cylindrical surface of the ratchet wheel is provided with unidirectional gear teeth, and the middle of the cylinder is in key connection with the action rod. When the locking device works, the ratchet wheel is matched with the pawl, so that the action rod drives the hook hand to rotate in a single direction, and the locking device is locked.
Furthermore, the pawl is a wedge-shaped supporting sheet, and the supporting ratchet wheel can only rotate around the action rod in a single direction.
Furthermore, the hook hand adopts an arc-shaped structure, threads are arranged on the hook hand, the hook hand can be tightly matched with the cover plate to fix the bolt, the cover plate can be tightly held by the two hook hands in bilateral symmetry, and the cover plate can be reliably locked. The gib hand is face contact with the fixed bolt on the apron, can increase effective area of contact, prevents that the apron from receiving too big impact locking department and taking place the fracture.
Furthermore, the fixing bolt on the cover plate is of a door-shaped structure and is fixed on the cover plate, and the cover plate is fixed through the fixing bolt on the fixing cover plate.
Furthermore, the action rod is a cylindrical long rod and is fixedly connected with the hook hand at a proper position, and the bottom end of the action rod is fixedly connected with the ratchet wheel. The action rod is operated to rotate the hook hand.
To sum up, the utility model discloses the processing nature is good, installs structural shape is simple, and processing is convenient, and the material is easily got, the processing, the assembly of the part of being convenient for, inspection, maintenance.
Drawings
FIG. 1 is a block diagram of a locking state of a ratchet type locking device;
FIG. 2 is a side view of the ratchet-type locking device in a locked condition;
FIG. 3 is a block diagram of the unlocked state of the ratchet-type locking device;
FIG. 4 is a side view of the ratchet-type locking device in an unlocked state;
FIG. 5 is an enlarged partial view of the ratchet-type locking device in a locked condition;
FIG. 6 is an enlarged partial view of the ratchet locking device in the unlocked state;
fig. 7 is a block diagram of a ratchet type locking device hitching hand.
Description of reference numerals:
1. a cover plate; 2. a bolt is fixed on the cover plate; 3. hooking a hand; 4. an action rod; 5. a ratchet wheel; 6. a pawl; 7. a support; 8. a spring; 9. a well wall; 10. and a long pin shaft.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 7, the utility model provides a pair of ratchet formula apron locking device, including apron 1, apron on dead bolt 2, gib hand 3, action bar 4, ratchet 5, pawl 6, support 7, spring 8, the wall of a well 9 and long pin axle 10. The fixed bolt 2 on the cover plate is fixed on the cover plate 1 through a screw, the cover plate 1 is movably connected with the well wall 9 through a long pin shaft 10, the hook hand 3 and the ratchet wheel 5 are connected together through a key and an action rod 4 and rotate along with the action rod 4, the hook hand 3 rotates along with the action rod 4 to lock the fixed bolt 2 on the cover plate, the pawl 6 is connected on the support 7 through a pin, and the spring 8 is installed in a deep hole on the support 7.
The gib hand 3 is the tongs of taking the hook, and the hook design is opened into the opening radian and is great to open there is trapezoidal thread in the inboard, and increase occlusal force prevents to unhook after the gib hand 3 contacts fixed bolt 2 on the upper cover plate. Ratchet 5 has designed a plurality of tooth counts, can be in a plurality of positions contact apron on fixed bolt 2, effective locking. A deep round hole is designed in the support 7, a spring 8 is installed, and space is provided for the ratchet wheel 5 to be separated from the pawl 6. The action rod 4 is long column-shaped, and a key is designed at one end and the position of the hook hand 3 and used for connecting the hook hand 3 and the ratchet wheel 5.
The cover plate 1 is a device needing to be fixed; the spring 8 provides elasticity for the reset action rod on the support 7; the support 7 is fixed on a well wall 9, provides an action platform for the ratchet wheel 5 and the action rod 4, and is acted by the spring 8 and connected with the ratchet wheel 5; the ratchet wheel 5 is used for being matched with the pawl 6 to enable the action rod 4 to rotate in a single direction, and is matched with the hook hand 3 and the locking device; the pawl 6 is matched with the ratchet wheel 5 to enable the action rod 4 to rotate in one direction, and is matched with the hook hand 3 and the locking device; the hook hand 3 is a hand grip fixedly connected to the action rod 4, and the action rod 4 is rotated to tightly hold the fixing bolt 2 on the cover plate; the fixed bolt 2 on the cover plate is used for fixing the cover plate 1 to provide an action point for the hook hand 3; the action rod 4 is a bridge for connecting the remote operation platform and the locking device, a hook hand 3 and a ratchet wheel 5 are fixedly connected on the action rod, and force is transmitted to the hook hand 3 and the locking device by rotating the action rod 4.
The cover plate locking process: under the hoist of the electric hoist, one side of the cover plate 1 is in contact with the position of the support 7, the action rod 4 is operated, the ratchet wheel 5 rotates around the pawl 6, the hook hand 3 is in contact with the fixing bolt 2 on the cover plate, the action rod 4 continues to rotate, the ratchet wheel 5 rotates, the hook hand 3 continues to be meshed with the fixing bolt 2 on the cover plate until the meshing is the most sufficient, the pawl 6 supports the ratchet wheel 5 and can only move towards the fixing bolt 2 on the meshed cover plate, the cover plate 1 is fixed by the hook hands 3 which are symmetrical left and right, the stress is balanced, and the locking is reliable.
The cover plate unlocking process comprises: after the cover plate 1 is locked, the ratchet wheel 5 is matched with the pawl 6 to enable the hook hand 3 to be reliably locked, the action rod 4 is operated to enable the ratchet wheel 5 to overcome the elasticity of the spring 8, the deep hole moves downwards along the support 7 to be separated from the pawl 6, the ratchet wheel 5 is rotated to enable the hook hand 3 to rotate reversely, the fixed bolt 2 on the cover plate is separated, the cover plate 1 is unlocked, and the ratchet wheel 5 is reset under the action of the spring 8 to prepare for next locking.
Claims (9)
1. A ratchet type cover plate locking device is characterized by comprising a cover plate (1), a fixing bolt (2) on the cover plate, a hook (3), an action rod (4), a ratchet (5), a pawl (6), a support (7) and a reset elastic piece; wherein,
one end of a cover plate (1) is movably connected with a well wall (9), the other end of the cover plate is a free end, a fixing bolt (2) on the cover plate is fixed on the inner side, close to the free end, of the cover plate (1), a support (7) is fixedly connected to the well wall (9), a cavity with an opening at one end is formed in the support (7), a hook handle (3) and a ratchet wheel (5) are sleeved on an action rod (4), a reset elastic piece is further sleeved at one end, sleeved with the ratchet wheel (5), of the action rod (4) and extends into the cavity of the support (7), and a pawl (6) is installed on the end face of the opening end of the support (7); when action pole (4) rotated, gib hand (3) and ratchet (5) can rotate along with action pole (4) together, and gib hand (3) can lock fixed bolt (2) on the apron along with action pole (4) rotate, and pawl (6) and ratchet (5) effect for action pole (4) unidirectional rotation, and when action pole (4) along its axial displacement, ratchet (5) compression elastic component that resets can break away from with pawl (6).
2. A ratchet-type cover locking device according to claim 1, wherein the resilient return means is a spring (8) for supporting the actuating lever (4) and capable of being depressed and retracted into the seat (7) to extend the ratchet (5) into the seat (7) to effect unlocking, and the spring (8) is for providing a resilient return force to the actuating lever (4).
3. A ratchet-type cover plate locking device according to claim 1, wherein the support (7) is a block-like structure having a cavity therein formed as a deep circular hole for providing a guide for the return spring and a space for unlocking the ratchet (5) from the pawl (6).
4. A ratchet-type cover plate locking device according to claim 3, wherein the ratchet (5) is a multi-tooth cylindrical shape and is sized to fit within a circular deep hole in the support (7) to allow access to the circular deep hole.
5. A ratcheting cover locking device according to claim 1, characterized in that the pawl (6) is a wedge-shaped support piece, supporting the ratchet (5) for rotation in one direction only about the actuating rod (4).
6. A ratchet-type closure assembly according to claim 1, wherein the catch (3) is an arcuate hook, the arcuate hook engaging the latch (2) on the closure, and wherein the catch (3) is threaded on the surface of the closure that contacts the latch for increasing the gripping force.
7. A ratcheting cover locking device according to claim 1, characterized in that the cover securing latch (2) is of a gate-shaped configuration and is secured to the cover (1).
8. A ratchet-type cover locking device according to claim 1, wherein the actuating lever (4) is a cylindrical long lever.
9. A ratchet-type cover locking device according to claim 1, characterized in that one end of the cover (1) is movably connected to the borehole wall (9) by means of a long pin (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120014298.7U CN214943377U (en) | 2021-01-05 | 2021-01-05 | Ratchet type cover plate locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120014298.7U CN214943377U (en) | 2021-01-05 | 2021-01-05 | Ratchet type cover plate locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214943377U true CN214943377U (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120014298.7U Active CN214943377U (en) | 2021-01-05 | 2021-01-05 | Ratchet type cover plate locking device |
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| Country | Link |
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| CN (1) | CN214943377U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114187704A (en) * | 2021-12-10 | 2022-03-15 | 腾源大数据信息技术(江苏)有限公司 | Sale sharing management platform based on Internet |
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2021
- 2021-01-05 CN CN202120014298.7U patent/CN214943377U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114187704A (en) * | 2021-12-10 | 2022-03-15 | 腾源大数据信息技术(江苏)有限公司 | Sale sharing management platform based on Internet |
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