CN213145663U

CN213145663U - Clamp with one-way locking function

Info

Publication number: CN213145663U
Application number: CN202021822803.2U
Authority: CN
Inventors: 李达
Original assignee: Tianjin Parkson Qualcomm Electric Equipment Co ltd
Current assignee: Tianjin Parkson Qualcomm Electric Equipment Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-05-07
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses a hoop with one-way locking function, belonging to the technical field of hoops, comprising a semi-ring A, the head part of the semi-ring A is rotationally connected with the semi-ring B through a hinge, the inner side walls of the semi-ring A and the semi-ring B are both welded with locking teeth, rubber rings are bonded on the inner side walls of the semi-rings A and the semi-rings B, the locking teeth are fan-shaped, a fixed nozzle A is welded at the tail of the semi-rings A, the tail part of the semi-ring B is welded with a fixed nozzle B, the inner side wall of the fixed nozzle A is welded with a vertical shaft, the outer side wall of the vertical shaft is rotationally connected with a rotating ring, the swivel is welded at the head part of the bolt, the hoop with the one-way locking function of the utility model can be quickly installed and dismantled, and the fastener is difficult for losing, the utility model discloses fan-shaped locking tooth has been seted up to the clamp inside wall that has one-way locking function, has one-way locking effect, does not hinder the pipeline, prevents that the clamp from rotating along the pipeline.

Description

Clamp with one-way locking function

Technical Field

The utility model relates to a clamp technical field especially relates to a clamp with one-way locking function.

Background

The clamp is a connecting piece for connecting pipe fittings, valves and pipeline fittings with grooves, and can be used for fastening the clamp and a pipeline by using the tightening action of bolts and nuts on the clamp, when the clamp is used on a drain pipe, a pipe bundle with a rubber ring is firstly used for sealing the joint of the pipe and the pipeline, and then the clamp is used for fixing the pipe outside the rubber ring to prevent the pipe from moving left and right to leak due to overlarge pressure, the clamp in the prior art can well realize the connection of a water delivery pipeline and a water drainage pipeline, but has the defects that the freedom degree of the clamp is controlled only by bolt connection, the relative dislocation between the upper clamp and the lower clamp is easily caused, thereby causing certain influence on the sealing ring and the joint inside the clamp, increasing the risk of connection failure and the possibility of water and air leakage, and especially only keeping certain locking force after the clamp is clamped, in the event that the tubes are forced outwardly, the clamp will not maintain a good grip, which results in leakage of fluid between the tubes.

A reinforced clamp is disclosed in patent No. 201520755068.0, and when a pipeline is fastened, the defect that the traditional clamp cannot prevent slipping is effectively overcome, the safety of the pipeline and personnel is guaranteed, and the maintenance cost is reduced; on, both ends are equipped with the balanced fastening pipeline of concentric construction bolt accessible construction bolt hole symmetry of fixed connection ear respectively about the snap ring down, ensure that the pipeline outer wall atress is balanced, indeformable in fastening process, reach best anti-skidding damping energy dissipation effect, the dental strip is reverse oblique anchor formula, it makes two pipes atress under the outside circumstances of moving of two pipe atress power of grabbing, it is big more to move the power of grabbing toward both sides more, because the stainless steel dental strip is by the little inclination that the big inclination diminishes, the dental strip internal diameter moves more little more, the atress of two pipes is just big more, it is firm more just more tight more to grab.

The clamps disclosed in the above patents have the following disadvantages: 1. the clamps disclosed in the above patents need to be fastened and connected by bolts and nuts, which are easily lost, and the installation and disassembly are performed by a worker holding a special tool such as a pliers, and the installation is slow; 2. the clamp disclosed in the above patent has a poor locking effect and the locking teeth strips easily scratch the outer side wall of the pipeline; to this end, we propose a clamp with a one-way locking function.

SUMMERY OF THE UTILITY MODEL

The utility model provides a clamp with one-way locking function, which can be quickly installed and disassembled, and the fastener is not easy to lose, when the clamp is required to be sleeved at the joint of two sections of pipelines, the fingers of a worker are buckled in the handle of the fastener, the fastener is screwed off from the tail part of the bolt, the bolt is rotated to rotate along the vertical shaft of the fixed nozzle A, the clamp is opened, the semi-ring B rotates along the semi-ring A through a hinge, the clamp is clamped at the joint of the two sections of pipelines, after the clamp is closed, the bolt is rotated to enable the upper part of the outer side wall of the bolt to be embedded into the through hole of the fixed nozzle B, the fastener is screwed into the outer side wall of the bolt from the tail part of the bolt by hand, the clamp is quickly assembled and stably connected until the bottom of the fastener is contacted with the outer side wall of the fixed nozzle B, the inner side wall of the clamp with one-way, have one-way locking effect, do not hinder the pipeline, prevent that the clamp from rotating along the pipeline, constitute contained angle A between locking bottom of tooth portion one side and the clamp inside wall, constitute contained angle B between locking bottom of tooth portion opposite side and the clamp inside wall, contained angle A angle is greater than contained angle B, when the pipeline takes place to slide at the clamp inside wall, fan-shaped locking tooth plays anti-skidding effect, semi-ring A and semi-ring B inside wall all bond there is the rubber ring, the rubber matter is soft elasticity, the pressurized ability kick-backs rapidly under normal atmospheric temperature, prevent that fan-shaped locking tooth from scraping the pipeline inside wall.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of clamp with one-way locking function, including semi-ring A, semi-ring A prelude passes through the hinge and rotates with semi-ring B to be connected, semi-ring A and semi-ring B inside wall all weld and have locking tooth, semi-ring A and semi-ring B inside wall all bond there is the rubber ring, locking tooth is fan-shaped, the welding of semi-ring A afterbody has fixed mouth A, the welding of semi-ring B afterbody has fixed mouth B, the welding of fixed mouth A inside wall has the vertical axis, the vertical axis lateral wall rotates with the swivel to be connected, the swivel welding is at the bolt prelude, bolt upper portion is connected with the through-hole inside wall on fixed mouth B surface, the bolt lateral wall has been seted up the external screw thread and can be dismantled.

Optionally, the hinge includes a hinge pillar and a hinge ring, the hinge pillar is welded to the head portion of the half ring a, an outer side wall of the hinge pillar is rotatably connected to the hinge ring, and the hinge ring is welded to the head portion of the half ring B.

Optionally, an included angle a is formed between one side of the locking tooth bottom and the inner side wall of the clamp, an included angle B is formed between the other side of the locking tooth bottom and the inner side wall of the clamp, and the included angle a is larger than the included angle B.

Optionally, the fastener includes nut ring and handle, nut ring one end welding is at the handle lateral wall, nut intra-annular wall is seted up there is the internal thread.

The utility model has the advantages as follows:

the embodiment of the utility model provides a clamp with one-way locking function:

1. the utility model discloses but clamp with one-way locking function quick installation and dismantlement, and the fastener is difficult for losing, when needs overlap the clamp at two sections pipe connection departments, the staff finger is detained in the handle of fastener, clockwise twist and move firm firmware, screw down the fastener from the bolt afterbody, the rotation bolt, make the bolt rotate along fixed mouth A's vertical axis, open the clamp, semi-ring B passes through the hinge and rotates along semi-ring A, with the clamp card at two sections pipe connection departments, after the closure, the rotation bolt, make bolt lateral wall upper portion inlay in fixed mouth B's through-hole, hand handle, screw into the bolt lateral wall from the bolt afterbody with the fastener, until fastener bottom and fixed mouth B lateral wall contact, fast assembly and connection are firm, the problem of the slow and fastener of the installation of the clamp that publishes in the solution above-mentioned patent easily loses.

2. The utility model discloses fan-shaped locking tooth has been seted up to the clamp inside wall with one-way locking function, one-way locking effect has, do not hinder the pipeline, prevent that the clamp from rotating along the pipeline, constitute contained angle A between locking bottom of tooth portion one side and the clamp inside wall, constitute contained angle B between locking bottom of tooth portion opposite side and the clamp inside wall, contained angle A angle is greater than contained angle B, when the pipeline takes place to slide at the clamp inside wall, fan-shaped locking tooth plays anti-skidding effect, semi-ring A and semi-ring B inside wall all bond and have the rubber ring, the soft elasticity of rubber matter, it can kick-back rapidly to receive the pressure under normal atmospheric temperature, prevent fan-shaped locking tooth scratch pipeline inside wall, solve the problem that the clamp locking effect of.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of a hoop with a one-way locking function according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a fastener of a hoop with a one-way locking function according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a fixing mouth B of a hoop with a one-way locking function according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a locking tooth of a clamp having an unidirectional locking function according to an embodiment of the present invention.

In the figure: 1. a semi-ring A; 2. a rubber ring; 3. a fixed nozzle A; 4. a vertical axis; 5. a hinge; 501. a hinge post; 502. a hinge loop; 6. rotating the ring; 7. a fixed nozzle B; 8. a fastener; 801. a nut ring; 802. a handle; 9. a half ring B; 10. locking teeth; 11. a bolt; 12. an external thread; 13. an internal thread; 14. an included angle A; 15. and an included angle B.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A clamp with a one-way locking function according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 4.

Referring to fig. 1, 2, 3 and 4, an embodiment of the present invention provides a clamp with a one-way locking function, including a half ring a1, the head part of the half ring A1 is rotationally connected with the half ring B9 through a hinge 5, locking teeth 10 are welded on the inner side walls of the half ring A1 and the half ring B9, the inner side walls of the half ring A1 and the half ring B9 are both bonded with rubber rings 2, the locking teeth 10 are fan-shaped, the tail of the semi-ring A1 is welded with a fixed nozzle A3, the tail of the semi-ring B9 is welded with a fixed nozzle B7, the inner side wall of the fixed nozzle A3 is welded with a vertical shaft 4, the outer side wall of the vertical shaft 4 is rotationally connected with a rotating ring 6, the rotating ring 6 is welded at the head part of a bolt 11, the upper part of the bolt 11 is connected with the inner side wall of a through hole on the surface of a fixed nozzle B7, the outer side wall of the bolt 11 is provided with an external thread 12 and is detachably connected with the fastener 8 through the external thread 12 and an internal thread 13.

By way of example, the clamp with one-way locking function of the utility model can be quickly installed and disassembled, the fastener is not easy to lose, when the clamp is required to be sleeved at the joint of two sections of pipelines, the fingers of a worker are buckled in the handle 802 of the fastener 8 to clockwise screw the fastener 8, the fastener 8 is screwed off from the tail part of the bolt 11, the bolt 11 is rotated to rotate the bolt 11 along the vertical shaft of the fixed nozzle A3, the clamp is opened, the semi-ring B9 rotates along the semi-ring A1 through the hinge 5 to clamp the clamp at the joint of the two sections of pipelines, after the clamp is closed, the bolt 11 is rotated to enable the upper part of the outer side wall of the bolt 11 to be embedded into the through hole of the fixed nozzle B7, the handle 802 is held by hand, the fastener 8 is screwed into the outer side wall of the bolt 11 from the tail part of the bolt 11 until the bottom of the fastener 8 is contacted with the outer side wall of the fixed nozzle B7, have one-way locking effect, do not hinder the pipeline, prevent that the clamp from rotating along the pipeline, constitute contained angle A14 between locking tooth 10 bottom one side and the clamp inside wall, constitute contained angle B15 between locking tooth 10 bottom opposite side and the clamp inside wall, contained angle A14 angle is greater than contained angle B15, when the pipeline takes place to slide at the clamp inside wall, fan-shaped locking tooth 10 plays the antiskid, semi-ring A1 and semi-ring B9 inside wall all bond and have rubber ring 2, the soft elasticity of rubber matter, can kick-back rapidly by the normal atmospheric temperature pressurized, prevent fan-shaped locking tooth 10 scratch pipeline inside wall.

Referring to fig. 1, the hinge 5 comprises a hinge pillar 501 and a hinge ring 502, the hinge pillar 501 is welded at the head of the half ring a1, the outer side wall of the hinge pillar 501 is rotatably connected with the hinge ring 502, and the hinge ring 502 is welded at the head of the half ring B9.

Illustratively, the outer side wall of the hinge pillar 501 is rotatably connected with the hinge ring 502, so that the half ring B can rotate along the half ring A conveniently to open and close the clamp.

Referring to fig. 1 and 4, an included angle a14 is formed between one side of the bottom of the locking tooth 10 and the inner side wall of the clamp, an included angle B15 is formed between the other side of the bottom of the locking tooth 10 and the inner side wall of the clamp, and the included angle a14 is larger than the included angle B15.

For example, the included angle a14 is greater than the included angle B15, and the locking teeth 10 serve as anti-slip means when a pipe slides on the inner side wall of the clamp.

Referring to fig. 1 and 2, the fastening member 8 includes a nut ring 801 and a handle 802, one end of the nut ring 801 is welded to an outer side wall of the handle 802, and an inner side wall of the nut ring 801 is provided with an inner thread 13.

In an example, the threaded connection is stable and convenient to install and disassemble.

When the clamp is used, when the clamp is required to be sleeved at the joint of two sections of pipelines, fingers of a worker are buckled in a handle 802 of a fastener 8, the fastener 8 is screwed clockwise, the fastener 8 is screwed off from the tail of a bolt 11, the bolt 11 is rotated to rotate the bolt 11 along the vertical axis of a fixed nozzle A3, the clamp is opened, a half ring B9 rotates along a half ring A1 through a hinge 5, the clamp is clamped at the joint of the two sections of pipelines, after the clamp is closed, the bolt 11 is rotated to enable the upper portion of the outer side wall of the bolt 11 to be embedded into a through hole of a fixed nozzle B7, the handle 802 is held by hand, the fastener 8 is screwed into the outer side wall of the bolt 11 from the tail of the bolt 11 until the bottom of the fastener 8 is contacted with the outer side wall of a fixed nozzle B7, the clamp is fast assembled and is stably connected, fan-shaped locking teeth 10 are arranged on the inner side wall of the clamp, the clamp has a, locking tooth 10 bottom opposite side and clamp inside wall between constitute contained angle B15, contained angle A14 angle is greater than contained angle B15, when the pipeline takes place to slide at the clamp inside wall, and fan-shaped locking tooth 10 plays anti-skidding effect, and semi-ring A1 and semi-ring B9 inside wall all bond and have rubber ring 2, and rubber matter is soft flexible, and the pressurized ability kick-backs rapidly under normal atmospheric temperature prevents fan-shaped locking tooth 10 scratch pipeline inside wall.

The utility model relates to a clamp with one-way locking function, which comprises a clamp 1 and a semi-ring A; 2. a rubber ring; 3. a fixed nozzle A; 4. a vertical axis; 5. a hinge; 501. a hinge post; 502. a hinge loop; 6. rotating the ring; 7. a fixed nozzle B; 8. a fastener; 801. a nut ring; 802. a handle; 9. a half ring B; 10. locking teeth; 11. a bolt; 12. an external thread; 13. an internal thread; 14. an included angle A; 15. the angle B, the components are all standard or known to those skilled in the art, and the structure and principle thereof are known to those skilled in the art through technical manuals or through routine experimentation.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The hoop with the one-way locking function comprises a semi-ring A (1) and is characterized in that the head of the semi-ring A (1) is rotatably connected with a semi-ring B (9) through a hinge (5), locking teeth (10) are welded on the inner side walls of the semi-ring A (1) and the semi-ring B (9), rubber rings (2) are bonded on the inner side walls of the semi-ring A (1) and the semi-ring B (9), the locking teeth (10) are fan-shaped, a fixed nozzle A (3) is welded on the tail of the semi-ring A (1), a fixed nozzle B (7) is welded on the tail of the semi-ring B (9), a vertical shaft (4) is welded on the inner side wall of the fixed nozzle A (3), the outer side wall of the vertical shaft (4) is rotatably connected with a rotating ring (6), the rotating ring (6) is welded on the head of a bolt (11), the upper portion of the bolt (, the outer side wall of the bolt (11) is provided with an external thread (12) and is detachably connected with the fastener (8) through the external thread (12) and the internal thread (13).

2. A clamp with one-way locking function according to claim 1, characterized in that the hinge (5) comprises a hinge pillar (501) and a hinge ring (502), the hinge pillar (501) is welded at the head of the half ring a (1), the outer side wall of the hinge pillar (501) is rotatably connected with the hinge ring (502), and the hinge ring (502) is welded at the head of the half ring B (9).

3. The clamp with the one-way locking function according to claim 1, wherein an included angle A (14) is formed between one side of the bottom of the locking tooth (10) and the inner side wall of the clamp, an included angle B (15) is formed between the other side of the bottom of the locking tooth (10) and the inner side wall of the clamp, and the included angle A (14) is larger than the included angle B (15).

4. A clamp with a one-way locking function according to claim 1, wherein the fastening member (8) comprises a nut ring (801) and a handle (802), one end of the nut ring (801) is welded on the outer side wall of the handle (802), and the inner side wall of the nut ring (801) is provided with an internal thread (13).