Hoop

Abstract

The hoop comprises a hoop seat, a hoop steel belt, a locking shaft and a locking handle, wherein one end of the hoop steel belt is fixed to the hoop seat, the locking shaft is rotationally installed on the hoop seat, and the locking handle is installed on the locking shaft and drives the locking shaft to rotate in the locking direction. The locking shaft is provided with a locking through groove used for allowing the hoop steel belt to penetrate through. A first ratchet wheel structure for driving the locking shaft to rotate in the locking direction is arranged between the locking handle and the locking shaft; and a second ratchet wheel structure for limiting the locking shaft to rotate in the direction opposite to the locking direction is arranged between the locking shaft and the hoop seat. According to the application, the situation that an operator uses a hoop to bind an object inconveniently and needs a tool is improved.

Description

Technical Field

[0001] This application relates to the field of clamp technology, and in particular to a clamp. Background Technology

[0002] Fasteners are common fasteners used to bind objects. Current fasteners include a fastener head, a steel band with one end fixed to the head and the other end free, and a locking screw rotatably mounted on the head. The steel band has toothed holes along its length for threaded engagement with the locking screw. When using these fasteners to bind objects, the free end of the steel band is first passed through the head and engaged with the locking screw. Then, a screwdriver is used to rotate the locking screw, gradually tightening the steel band and binding the object. Regarding the aforementioned technology, the inventors believe that using these fasteners to bind objects requires tools such as screwdrivers, which is inconvenient. Utility Model Content

[0003] To facilitate operators in using clamps to secure objects, this application provides a clamp.

[0004] The clamp provided in this application adopts the following technical solution:

[0005] A clamp includes a clamp seat, a clamp steel strip fixed at one end to the clamp seat, a locking shaft rotatably mounted on the clamp seat, and a locking handle mounted on the locking shaft and driving the locking shaft to rotate in a locking direction; the locking shaft has a locking through groove for the clamp steel strip to pass through; a first ratchet structure is provided between the locking handle and the locking shaft to drive the locking shaft to rotate in the locking direction; a second ratchet structure is provided between the locking shaft and the clamp seat to restrict the locking shaft from rotating in the opposite direction to the locking direction.

[0006] By adopting the above technical solution, when using clamps to bind objects, the operator binds different objects together using the clamp steel strip. The operator passes the tail of the clamp steel strip through the locking slot from the outside of the locking wrench. The operator pulls the tail of the clamp steel strip to initially lock the objects and position the clamp steel strip on one side of the clamp slot. Then, the operator further tightens the clamp by swinging the locking wrench up and down. When the locking wrench is pressed down and swung downward, the locking wrench drives the first ratchet structure to rotate synchronously. The first ratchet structure drives the locking axis to rotate in the locking direction. Due to the restriction of the second ratchet structure, the locking wrench does not rotate when the locking wrench swings upward. This allows the operator to drive the locking axis to rotate in the locking direction in one direction to lock the clamp when swinging the locking wrench up and down, and presses the locking wrench until it fits against the clamp seat. This improves the situation where operators need to use tools such as screwdrivers when using clamps to bind objects, which is inconvenient.

[0007] Optionally, the locking shaft includes a locking shaft core, a first ratchet disc, and a second ratchet disc; both the first ratchet disc and the second ratchet disc are circumferentially fixed to the locking shaft core; the first ratchet structure includes a first ratchet tooth disposed on the locking handle and a plurality of first locking grooves circumferentially arranged on the first ratchet disc for engagement by the first ratchet tooth; the second ratchet structure includes a second ratchet tooth disposed on the clamp seat and a plurality of second locking grooves circumferentially arranged on the second ratchet disc for engagement by the second ratchet tooth.

[0008] By adopting the above technical solution, the specific structures of the locking shaft, the locking shaft and the first ratchet structure, and the locking shaft and the second ratchet structure are disclosed. By setting a circumferentially fixed first ratchet disc on the outside of the locking shaft core, and by setting a circumferentially fixed second ratchet disc on the outside of the locking shaft core, this fixed installation facilitates the installation of the locking handle and the clamp seat. The engagement of the first ratchet tooth with the first locking groove, and the engagement of the second ratchet tooth with the second locking groove, ensures that the rotation of the locking shaft driven by the first and second ratchet structures is reliably achieved.

[0009] Optionally, the locking handle includes at least two first ratchet teeth; the clamp seat includes at least two second ratchet teeth.

[0010] By adopting the above technical solution, the number of first ratchet teeth on the locking handle and the number of second ratchet teeth on the clamp seat are further disclosed. Setting two first ratchet teeth on the locking handle helps to improve the stability of the first ratchet teeth driving the first ratchet wheel; setting two second ratchet teeth on the clamp seat helps to improve the stability of the second ratchet teeth driving the second ratchet wheel.

[0011] Optionally, the first ratchet disc has a first through hole for arranging the locking shaft and a first connecting rod arranged in the locking through groove at the first through hole; the second ratchet disc has a second through hole for arranging the locking shaft and a second connecting rod arranged in the locking through groove at the second through hole.

[0012] By adopting the above technical solution, the specific structure of the first ratchet disk driving the locking shaft and the second ratchet disk driving the locking shaft is disclosed. By setting a first connecting rod to fix the first ratchet disk and the locking shaft circumferentially, and by setting a second connecting rod to fix the second ratchet disk and the locking shaft circumferentially, the swinging locking wrench can drive the first ratchet disk and the second ratchet disk to drive the locking shaft to rotate.

[0013] Optionally, the locking shaft includes a locking end and two locking rods connected to the locking end and arranged parallel to each other; the locking through groove is arranged between the two locking rods and has an opening at one end of the locking shaft; both ends of the locking shaft are equipped with limiting pads for restricting the clamp seat and the locking handle from disengaging; each limiting pad has a limiting link arranged in the locking through groove; the locking rod has a locking flange at its end away from the locking end for restricting the limiting pad from disengaging.

[0014] By adopting the above technical solution, the specific structure of the locking shaft is disclosed. By setting an opening at one end of the locking shaft, the limiting washer, the first ratchet disc, the second ratchet disc, the clamp seat and the locking handle can be installed on the locking shaft relatively easily.

[0015] Optionally, the clamp seat has an arrangement hole through which the end of the clamp steel strip passes; the end of the clamp steel strip is folded outward from the inside of the clamp seat and folded inward through the arrangement hole to form a welding piece that fits against the bottom surface of the clamp seat, and the welding piece is fixed to the bottom surface of the clamp seat by welding.

[0016] By adopting the above technical solution, the connection structure of the clamp steel strip in the clamp seat is disclosed. The end of the clamp steel strip is folded to help the clamp steel strip be clamped onto the clamp seat. The connection structure strength between the clamp steel strip and the clamp seat is further strengthened by welding the welding plate.

[0017] Optionally, the locking handle has a receiving groove for accommodating the clamp seat, and both outer walls of the clamp seat are provided with snap-fit ​​protrusions; the locking handle has a snap-fit ​​groove for the snap-fit ​​protrusions to snap into.

[0018] By adopting the above technical solution, after the above clamp binds the object, the locking handle can cover the top of the clamp seat, so that the locking protrusion and the locking groove cooperate, thereby realizing the locking between the locking handle and the clamp seat, so that the locking handle is not easy to flip off the clamp seat after the clamp is used.

[0019] Optionally, the locking handle has a limiting piece that folds toward the bottom surface of the inner cavity of the clamp seat and is used to press the clamp steel strip; the limiting piece is arranged obliquely toward the direction of the locking shaft.

[0020] By adopting the above technical solution, and by setting a limiting piece on the clamp steel strip to press the clamp steel strip, the probability of the clamp steel strip accidentally lifting off is reduced.

[0021] In summary, this application includes at least one of the following beneficial technical effects:

[0022] 1. The operator uses steel clamps to tie different objects together. The operator passes the end of the steel clamp through the locking slot from the outside of the locking wrench. The operator pulls the end of the steel clamp to initially lock the objects and position the steel clamp on one side of the clamp slot. Then, the operator further locks the objects by swinging the locking wrench up and down and presses the locking wrench until the clamp seat is in contact with the clamp seat.

[0023] 2. By installing limiting washers at both ends of the locking shaft, the probability of the clamp seat and locking handle coming off the locking shaft is reduced;

[0024] 3. By setting a limiting piece on the clamp steel band to press the clamp steel band tightly, it helps to reduce the probability of the clamp steel band accidentally lifting up. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of a clamp structure in an embodiment of this application.

[0026] Figure 2 This is a schematic diagram of the bottom structure of a clamp in an embodiment of this application.

[0027] Figure 3 This is a partial cross-sectional schematic diagram of a clamp in an embodiment of this application.

[0028] Figure 4 This is a schematic diagram of a clamp explosion in an embodiment of this application.

[0029] Figure 5 yes Figure 4 A magnified view of a portion of point A in the middle.

[0030] Explanation of reference numerals in the attached drawings: 2. Clamp seat; 21. First base plate; 211. Arrangement hole; 22. First side plate; 221. Snap-fit ​​protrusion; 23. First hinge piece; 24. First through hole; 25. Second ratchet; 251. Third tooth surface; 252. Fourth tooth surface; 26. Second locking groove; 3. Clamp steel strip; 31. Welded piece; 32. Movable end; 4. Locking shaft; 41. Locking shaft core; 411. Locking end; 412. Locking rod; 4121. Locking flange; 413. Locking through groove; 42. First ratchet disc; 421. Third through hole; 422. First connecting rod; 43. Second ratchet disc; 431. Fourth through hole; 432. Second connecting rod; 44. Limiting washer; 441. Limiting connecting rod; 5. Locking handle; 51. Second top plate; 511. Limiting piece; 52. Second side plate; 521. Snap-fit ​​groove; 53. Receiving groove; 54. Second hinge piece; 55. Second through hole; 56. First ratchet tooth; 561. First tooth surface; 562. Second tooth surface; 57. First locking groove. Detailed Implementation

[0031] The following is in conjunction with the appendix Figure 1-5This application will be described in further detail.

[0032] This application discloses a clamp. (Refer to...) Figure 1 The clamp includes a clamp seat 2, a clamp steel strip 3 fixed at one end to the clamp seat 2, a locking shaft 4 rotatably mounted on the clamp seat 2, and a locking handle 5 mounted on the locking shaft 4 and driving the locking shaft 4 to rotate in the locking direction.

[0033] Reference Figure 2 and Figure 3 The clamp seat 2 is a metal stamping part. The clamp seat 2 includes a first base plate 21 and two opposing first side plates 22 connected to both sides of the first base plate 21. The clamp seat 2 has an arrangement hole 211 in the first base plate 21 for the end of the clamp steel strip 3 to pass through. The end of the clamp steel strip 3 is folded outwards from the inside of the clamp seat 2 and folded inwards through the arrangement hole 211, forming a welded piece 31 that fits against the bottom surface of the clamp seat 2. The welded piece 31 is fixed to the bottom surface of the clamp seat 2 by welding. The end of the clamp steel strip 3 that is not welded to the clamp seat 2 is the movable end 32.

[0034] Reference Figure 2 and Figure 5 The two first side plates 22 of the clamp seat 2 have opposing first hinge pieces 23 arranged on the front side of the first base plate 21 for mounting the locking handle 5. The two first hinge pieces 23 have first through holes 24 for the locking shaft 4 to pass through.

[0035] Reference Figure 4 The locking handle 5 is a metal stamping part. The locking handle 5 includes a second top plate 51 and two opposing second side plates 52 connected to both sides of the second top plate 51, and forms receiving grooves 53 for accommodating the clamp seat 2. The two second side plates 52 have opposing second hinge pieces 54 formed on the front side of the second top plate 51 for engaging with the clamp seat 2. The two second hinge pieces 54 have second through holes 55 for the locking shaft 4 to pass through. The second hinge pieces 54 are located outside the corresponding first hinge piece 23.

[0036] Reference Figure 4 and Figure 5 The locking shaft 4 includes a locking shaft core 41, a first ratchet disc 42, and a second ratchet disc 43. The locking shaft core 41 passes through the first through hole 24 of the clamp seat 2 and the second through hole 55 of the locking handle 5. The locking shaft core 41 includes a locking end 411 and two locking rods 412 connected to the locking end 411 and arranged parallel to each other. A locking through groove 413 is formed between the two locking rods 412, and an opening is formed at one end of the locking shaft core 41.

[0037] Reference Figure 4 and Figure 5Both ends of the locking shaft core 41 are equipped with limiting shims 44 to prevent the clamp seat 2 and locking handle 5 from disengaging. The limiting shims 44 are all fitted to the outer surface of the second hinge piece 54 of the locking handle 5. Each limiting shim 44 has a limiting connecting rod 441 arranged within the locking through groove 413, and the locking rod 412 has a locking flange 4121 at its end away from the locking end 411 to prevent the limiting shims 44 from disengaging.

[0038] Reference Figure 4 and Figure 5 A first ratchet disc 42 is arranged between a first hinge piece 23 and a second hinge piece 54. The first ratchet disc 42 is circumferentially fixed to the locking shaft core 41. The first ratchet disc 42 has a third through hole 421 for accommodating the locking shaft core 41, and a first connecting rod 422 arranged in a locking through groove 413 is provided at the third through hole 421. A first ratchet structure is provided between the locking handle 5 and the locking shaft 4 to drive the locking shaft 4 to rotate in the locking direction. The locking direction refers to the direction in which the locking handle 5 rotates towards the upper side of the clamp seat 2 so that the locking handle 5 is engaged with the clamp seat 2.

[0039] Reference Figure 4 and Figure 5 The first ratchet structure includes a first ratchet tooth 56 disposed on the locking handle 5 and a plurality of first locking grooves 57 circumferentially arranged on the first ratchet disc 42 for engaging with the first ratchet tooth 56. In this embodiment, the first ratchet disc 42 is circumferentially evenly provided with five first locking grooves 57, and the locking handle 5 is provided with two first ratchet teeth 56. The first ratchet tooth 56 is generally triangular in shape. The first ratchet tooth 56 has a first tooth surface 561 disposed along the locking direction and a second tooth surface 562 disposed away from the locking direction. The first tooth surface 561 is perpendicular to the locking wrench and is planar, and the second tooth surface 562 is inclined.

[0040] Reference Figure 4 and Figure 5 A second ratchet disc 43 is arranged between the first hinge piece 23 and the second hinge piece 54. The second ratchet disc 43 is circumferentially fixed to the locking shaft core 41. The second ratchet disc 43 has a fourth through hole 431 for accommodating the locking shaft core 41, and a second connecting rod 432 arranged in the locking through groove 413 is provided at the fourth through hole 431. A second ratchet structure is provided between the locking handle 5 and the locking shaft 4 to drive the locking shaft 4 to rotate in the locking direction. The locking direction refers to the direction in which the locking handle 5 rotates towards the upper side of the clamp seat 2 so that the locking handle 5 is engaged with the clamp seat 2.

[0041] Reference Figure 4 and Figure 5The second ratchet structure includes a second ratchet tooth 25 disposed on the clamp seat 2 and a plurality of second locking grooves 26 circumferentially arranged on the second ratchet disc 43 for engaging the second ratchet tooth 25. In this embodiment, five second locking grooves 26 are evenly arranged circumferentially on the second ratchet disc 43, and two second ratchet teeth 25 are disposed on the locking handle 5. The second ratchet tooth 25 is generally triangular in shape. The second ratchet tooth 25 has a third tooth surface 251 disposed along the locking direction and a fourth tooth surface 252 disposed away from the locking direction. The third tooth surface 251 is perpendicular to the locking wrench and is planar, and the fourth tooth surface 252 is inclined.

[0042] Reference Figure 4 To further enhance the locking strength of the clamp, both outer surfaces of the first side plates 22 of the clamp seat 2 are provided with engaging protrusions 221. Both second side plates 52 of the locking handle 5 have engaging grooves 521 for the engaging protrusions 221 to engage with. When locking the clamp seat 2 and the locking handle 5, pressing the locking handle 5 towards the clamp seat 2 causes the engaging protrusions 221 to engage within the engaging grooves 521.

[0043] Reference Figure 4 To reduce the probability of the movable end 32 of the clamp steel band 3 accidentally lifting up, the second top plate 51 of the locking handle 5 is provided with a limiting piece 511 at its inner edge, which folds towards the bottom surface of the inner cavity of the clamp seat 2 and is used to press the clamp steel band 3. The limiting piece 511 is arranged at an angle towards the locking shaft 4.

[0044] Combination Figures 1 to 5 The implementation principle of an electromagnetic water meter with an automatic venting device in this application embodiment is as follows: When using clamps to bind objects, the operator binds different objects together using the clamp steel band 3. The operator passes the tail of the clamp steel band 3 through the locking groove 413 from the outside of the locking wrench. The operator pulls the tail of the clamp steel band 3 to initially lock the objects and position the clamp steel band 3 on one side of the clamp groove. Then, the operator further locks the objects by swinging the locking wrench up and down. When the locking wrench is pressed down and swung downward, the locking wrench drives the first ratchet structure to rotate synchronously. The first ratchet structure drives the locking shaft 4 to rotate in the locking direction. Due to the restriction of the second ratchet structure, the locking wrench does not rotate when the locking wrench swings upward. This causes the operator to drive the locking shaft 4 to rotate in the locking direction in one direction to lock the clamp by swinging the locking wrench up and down, and presses the locking wrench until it fits against the clamp seat 2.

[0045] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A clamp, characterized in that, The device includes a clamp seat (2), a clamp steel strip (3) fixed at one end to the clamp seat (2), a locking shaft (4) rotatably mounted on the clamp seat (2), and a locking handle (5) mounted on the locking shaft (4) and driving the locking shaft (4) to rotate in the locking direction; the locking shaft (4) has a locking through groove (413) for the clamp steel strip (3) to pass through; a first ratchet structure is provided between the locking handle (5) and the locking shaft (4) to drive the locking shaft (4) to rotate in the locking direction; a second ratchet structure is provided between the locking shaft (4) and the clamp seat (2) to restrict the locking shaft (4) from rotating in the opposite direction to the locking direction; the locking shaft (4) includes a locking shaft core (41), a first ratchet disc (42), and a second ratchet disc (43); Both the first ratchet disc (42) and the second ratchet disc (43) are circumferentially fixed to the locking shaft core (41); the first ratchet structure includes a first ratchet tooth (56) disposed on the locking handle (5) and a plurality of first locking grooves (57) circumferentially arranged on the first ratchet disc (42) for engaging with the first ratchet tooth (56); the second ratchet structure includes a second ratchet tooth (25) disposed on the clamp seat (2) and a plurality of second locking grooves (26) circumferentially arranged on the second ratchet disc (43) for engaging with the second ratchet tooth (25); The first ratchet disc (42) has a first through hole (24) for arranging the locking shaft (41) and a first connecting rod (422) arranged in the locking through groove (413) is provided at the first through hole (24); the second ratchet disc (43) has a second through hole (55) for arranging the locking shaft (41) and a second connecting rod (432) arranged in the locking through groove (413) is provided at the second through hole (55). The locking shaft (41) includes a locking end (411) and two locking rods (412) connected to the locking end (411) and arranged parallel to each other; the locking through groove (413) is arranged between the two locking rods (412) and has an opening at one end of the locking shaft (41); both ends of the locking shaft (41) are equipped with limiting pads (44) for restricting the clamp seat (2) and the locking handle (5) from disengaging; each limiting pad (44) has a limiting connecting rod (441) arranged in the locking through groove (413); the locking rod (412) has a locking flange (4121) at the end away from the locking end (411) for restricting the limiting pad (44) from disengaging.

2. The clamp according to claim 1, characterized in that, The locking handle (5) includes at least two first ratchet teeth (56); the clamp seat (2) includes at least two second ratchet teeth (25).

3. A clamp according to claim 1, characterized in that, The clamp seat (2) has an arrangement hole (211) through which the end of the clamp steel strip (3) passes; the end of the clamp steel strip (3) is folded outward from the inside of the clamp seat (2) and folded inward through the arrangement hole (211) to form a welding piece (31) that fits against the bottom surface of the clamp seat (2), and the welding piece (31) is fixed to the bottom surface of the clamp seat (2) by welding.

4. A clamp according to claim 1, characterized in that, The locking handle (5) has a receiving groove (53) for the clamp seat (2) to be arranged, and the clamp seat (2) has a snap-fit ​​protrusion (221) on both outer walls; the locking handle (5) has a snap-fit ​​groove (521) for the snap-fit ​​protrusion (221) to be snapped into.

5. A clamp according to claim 4, characterized in that, The locking handle (5) has a limiting piece (511) that folds toward the bottom of the inner cavity of the clamp seat (2) and is used to press the clamp steel strip (3); the limiting piece (511) is arranged obliquely toward the locking shaft (4).

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