阅读说明：本技术 自紧式管夹及应用其的空调器 (Self-tightening pipe clamp and air conditioner applying same ) 是由 钟华锋 彭浩 何国军 黄文训 肖晓安 王梦迪 于 2020-06-24 设计创作，主要内容包括：本发明提供了一种自紧式管夹,包括至少一对夹体,该对夹体包含第一夹体和第二夹体,其特征在于,第一夹体和第二夹体的一端通过转轴可转动地连接,转轴上设置有复位弹簧,复位弹簧的一端连接有从第一夹体的外侧面伸入第一夹体内部的顶针、另一端抵接在第二夹体,顶针被向内压入第一夹体内时,复位弹簧推动第一夹体和第二夹体闭合。本发明提出的自紧式管夹,在确保管路之间无挤压和摩擦的同时,采用弹簧顶针触发结合插接和卡接的紧固方式,有效提高管路紧固的可靠性,无需使用螺钉或线扎紧固,拆装方便,降低生产和售后安装人员工作强度；在有一定偏差的管路系统中仍可以紧固,满足流水线对精益生产提出的更高的装配要求。(The invention provides a self-tightening pipe clamp which comprises at least one pair of clamp bodies, wherein the pair of clamp bodies comprises a first clamp body and a second clamp body. The self-tightening pipe clamp provided by the invention ensures that no extrusion and friction exist between pipelines, and simultaneously adopts a fastening mode of triggering, combining insertion and clamping by the spring thimble, so that the reliability of pipeline fastening is effectively improved, the pipelines are fastened without screws or wire ties, the self-tightening pipe clamp is convenient to disassemble and assemble, and the working strength of production and after-sale installation personnel is reduced; can be fastened in a pipeline system with certain deviation, and meets the higher assembly requirement of the streamline on lean production.)

1. Self-clinching pipe clamp comprising: the pair of clamps comprises a first clamp and a second clamp, and is characterized in that the first clamp and one end of the second clamp are rotatably connected through a rotating shaft, a return spring is arranged on the rotating shaft, one end of the return spring is connected with a thimble extending into the first clamp from the outer side surface of the first clamp, the other end of the return spring abuts against the second clamp, and when the thimble is pressed inwards into the first clamp, the return spring pushes the first clamp and the second clamp to be closed.

2. The self-clinching pipe clamp of claim 1, wherein the first clamp body and the second clamp body have an insertion structure at an end thereof remote from the rotation axis, the insertion structure including a protrusion and a groove interference-fitted with the protrusion; when the first clamp body and the second clamp body are closed, the lug is inserted into the groove, and when the first clamp body and the second clamp body are opened, the lug is separated from the groove.

3. A self-clinching pipe clamp as claimed in claim 1 or 2, comprising two pairs of clamp bodies, the first clamp bodies of the two pairs of clamp bodies being connected together by a mounting plate.

4. The self-clinching pipe clamp of claim 3, wherein one end of the second clamp body close to the mounting plate is an open end, the other end far away from the mounting plate is a rotating end connected with a rotating shaft, a clamping structure is arranged between the open end and the mounting plate, and the clamping structure comprises a buckle and a clamping groove in locking fit with the buckle; when the first clamp body and the second clamp body are closed, the buckle is clamped into the clamping groove, and when the first clamp body and the second clamp body are opened, the buckle is separated from the clamping groove.

5. The self-clinching pipe clamp of claim 4, wherein the top of the snap is provided with a boss for cooperating with the detent to lock.

6. The self-clinching conduit clip of claim 5, wherein the boss is triangular.

7. A self-clinching pipe clamp as claimed in claim 3, wherein the mounting plate is provided with a mounting block to which a binding clip is rotatably attached.

8. A self-clinching pipe clamp as claimed in claim 7, wherein the end of the clamp remote from the mounting block is provided with a hook facing towards the interior volume thereof.

9. The self-clinching conduit clip of claim 2, wherein the end surface of the projection remote from the axis of rotation is provided with a diamond array of projections.

10. A self-clinching conduit clip as set forth in claim 2, wherein the projections and recesses are trapezoidal.

11. The self-clinching clamp of claim 1, wherein the spike has a smooth arcuate distal end.

12. An air conditioner characterized in that it has a self-clinching clamp as claimed in any one of claims 1 to 11.

Technical Field

The invention relates to the technical field of air conditioner pipeline fixing, in particular to a self-tightening pipe clamp and an air conditioner applying the same.

Background

Patent No. CN 201610952024.6's patent discloses a from locking-type pipe clamp and use its air conditioner, but this kind of pipe clamp will pass through the centre gripping arm, and the centre gripping arm will break off with the fingers and thumb and satisfy installation pipeline pipe diameter size, loosen the centre gripping arm and let it resume natural position, fill in the recess with the convex closure again, thereby it is fixed to accomplish the pipeline, whole process is complicated, counterpoint troublesome poeration, must two convex closures fill in behind the recess in step just can, be not "automatic locking in the true meaning, automatic assembly", pipeline and pipe clamp through-hole interference fit after docking, bring certain difficulty to the dismouting.

Patent application No. 201320587430.9 discloses a pipeline fastening device, but this device fastens from a single-side rotation, when there are assembly and machining errors in the pipeline close to the rotating part and the pipeline far away from the rotating part, because the assembly machining reference is located at the rotating part, there are multiple times of transmission of the assembly reference in the clamping hole far away from the rotating part, the farther the distance is, the larger the assembly accumulated error is, the worse the fixing reliability is; according to actual domestic air conditioner popularization and use effect, the device that patent application number is 201220099258.8 is disclosed has the actual environment of certain error at the pipe-line fit under, relies on protruding rotating part of wave to compress tightly the influence that the lock in-process itself received material deformation to reset, and the fastening effect is unreliable.

In order to clamp a pipeline and maintain the stable clamping state of the pipe clamp, the pipe clamp is usually matched with a wire bundle for use, the wire bundle is clamped outside a pipe clamp body by adopting an inverted two-way clamp to prevent the pipe clamp body from falling off in vibration, an inclined jaw clamp is used for cutting off redundant wire bundle heads after clamping is completed, the high-temperature wire bundle is easy to age and break after long-term use, other pipe clamp modes comprise screw fastening and the two patent modes, the buckle still needs to be manually clamped, operation is inconvenient, in addition, the clamping rotating part is located on one side of the device, accumulated assembly errors of a clamping hole of the rotating part are increased, the assembly precision requirement of an air conditioner is extremely high, and otherwise, the pipeline is easy to trip when having certain deviation.

Therefore, how to overcome the defect that the existing pipe clamp is difficult to realize automatic closing assembly is a problem to be solved in the industry.

Disclosure of Invention

The invention provides a self-tightening pipe clamp and an air conditioner applying the same, aiming at solving the technical problem that the automatic closing assembly of the pipe clamp in the prior art is difficult to realize.

In order to solve the problems, the technical scheme adopted by the invention is as follows: there is provided a self-clinching pipe clamp comprising: the pair of clamps comprises a first clamp and a second clamp, and is characterized in that one ends of the first clamp and the second clamp are rotatably connected through a rotating shaft, a reset spring is arranged on the rotating shaft, one end of the reset spring is connected with a thimble extending into the first clamp from the outer side surface of the first clamp, the other end of the reset spring abuts against the second clamp, and when the thimble is pressed inwards into the first clamp, the reset spring pushes the first clamp and the second clamp to be closed.

Preferably, the first clamp body and the second clamp body are provided with an inserting structure at one end far away from the rotating shaft, and the inserting structure comprises a convex block and a groove in interference fit with the convex block; when the first clamp body and the second clamp body are closed, the lug is inserted into the groove, and when the first clamp body and the second clamp body are opened, the lug is separated from the groove.

Preferably, the self-clinching pipe clamp comprises two pairs of clamp bodies, the first clamp bodies of the two pairs of clamp bodies being connected as one body by a mounting plate.

Preferably, one end of the second clamp body, which is close to the mounting plate, is an opening end, the other end of the second clamp body, which is far away from the mounting plate, is a rotating end connected with the rotating shaft, a clamping structure is arranged between the opening end and the mounting plate, and the clamping structure comprises a buckle and a clamping groove in locking fit with the buckle; when the first clamp body and the second clamp body are closed, the buckle is clamped into the clamping groove, and when the first clamp body and the second clamp body are opened, the buckle is separated from the clamping groove.

Preferably, the top of the buckle is provided with a boss for being matched and locked with the clamping groove.

Preferably, the boss is triangular.

Preferably, the mounting plate is provided with a mounting seat, and a binding clip is rotatably connected with the mounting seat.

Preferably, one end of the binding clip, which is far away from the mounting seat, is provided with a hook facing the inner cavity of the binding clip.

Preferably, the end face of the lug, which is far away from the rotating shaft, is provided with a rhombic area array boss.

Preferably, the projections and recesses are trapezoidal.

Preferably, the tail end of the thimble is in a smooth arc shape.

The invention also provides an air conditioner, which is provided with the self-tightening pipe clamp.

Compared with the prior art, the self-tightening pipe clamp and the air conditioner applying the same have the beneficial effects that:

1. according to the self-tightening pipe clamp and the air conditioner applying the same, the assembly time is shortened by adopting a mode of triggering the thimble to close, compared with a mode of manually pressing, the pipe clamp is self-tightened and locked under the action of the inertia force of the spring, so that the automatic locking is realized in the true sense, the structure is simple, the operation is convenient, and the production efficiency is improved;

2. the double-rotating-part pipe clamp is fixed in a manner that the assembly reference is positioned in the middle of the connecting plate and is close to the assembly adjusting point, so that the assembly reference is prevented from being repeatedly replaced, the assembly error is reduced, the double-rotating-part pipe clamp is suitable for complex assembly application scenes, and the assembly reliability is improved;

3. the splicing structure of the trapezoidal lug and the rhombic area array lug designed on the lug and the trapezoidal groove is adopted, under a certain interference fit environment, the pipeline extrudes the trapezoidal lug to generate pressure, the rhombic area array lug generates larger static friction force when being extruded, and the groove structure with the draft angle is larger than the contact surface of a vertical fit structure, so that the tripping resistance is larger, and the splicing is firmer;

4. the elastic buckle has good elasticity, tight fit and convenient disassembly, forms double insurance by matching with the splicing structure of the trapezoidal lug and the trapezoidal groove, is tight in fit and convenient for disassembly, has better fastening effect in 6 degrees of freedom in space, and has stronger anti-tripping performance, clamping reliability and stability;

5. extra fastening screws or binding wires are not needed for fastening, the device is installed in a pressing mode (the device is placed at the thimble), the assembly can be completed only by small force, and the device is more convenient than the existing fixing mode; for the application occasions where the pipe clamp cannot be assembled in the compact space, the device can be operated by a single hand or two fingers, so that the production bottleneck that the pipe clamp is difficult to operate in the compact space is solved;

6. the wiring clamp is sleeved in the cylindrical groove and can rotate 360 degrees, so that the wiring clamp is suitable for occasions regardless of vertical wiring or horizontal wiring; the cavity in the hook of the rotatable wiring clamp can meet the requirements of horizontal wiring, vertical wiring and oblique wiring at a certain angle, and is suitable for different wiring application occasions.

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 embodiments or the prior art descriptions 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 based on these drawings without inventive exercise.

FIG. 1 is a schematic view of a pre-closure assembly of one embodiment of a self-clinching conduit clip provided by the present invention;

figure 2 is a schematic view of a closed assembly of one embodiment of the self-clinching conduit clip provided by the present invention.

Wherein, in the drawings, the reference numerals are mainly as follows:

1-a first clamp body; 11-a groove; 12-a card slot; 13-mounting a plate; 2-a second clamp body; 21-a bump; 211-diamond area array boss; 22-buckling; 221-triangular boss; 23-a shaft sleeve; 3-a rotating shaft; 4-a return spring; 41-a connecting rod; 42-a thimble; 5-mounting a base; 6-jointing clamp; 61-hook.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

The invention provides a self-tightening pipe clamp which comprises at least one pair of clamp bodies, wherein the pair of clamp bodies comprises a first clamp body 1 and a second clamp body 2, and the first clamp body 1 and the second clamp body 2 are preferably, but not limited to, semicircular or oval.

One end of the first clamp body 1 is rotatably connected with one end of the second clamp body 2 through the rotating shaft 3, namely the first clamp body 1 and the second clamp body 2 can be opened and closed at a certain angle along the rotating shaft 3. As an embodiment provided by the invention, one or more protruding shaft sleeves 23 are arranged in the middle of one end of the second clamp body 2, the shaft sleeves 23 extend into the corresponding grooves 11 of one end of the first clamp body 1, and the rotating shaft 3 radially penetrates through the end of the first clamp body 1 and the shaft sleeves 23 of the second clamp body 2 to form a rotating part so as to rotatably connect the first clamp body 1 and the second clamp body 2. As another embodiment provided by the present invention, the shaft sleeve 23 is disposed on the first clip body 1, and the corresponding groove 11 is disposed on the second clip body 2.

The rotating shaft 3 is provided with a return spring 4, one end of the return spring 4 is connected with a thimble 42 extending into the first clamp 1 from the outer side surface of the first clamp 1, and the other end of the return spring abuts against the second clamp 2. Preferably, the return spring 4 is provided at a middle position of the rotation shaft 3. Specifically, the end of the return spring 4 is connected to the thimble 42 through a connecting rod 41 for transmitting the tripping force. When the pipe clamp is in an unfolded state, if a certain pipe body needs to be clamped, for example, when an air-conditioning pipeline is fixed on a fixture (for example, the air-conditioning pipeline is fixed on the fixture by clamping the pipe clamp on the air-conditioning pipeline), only the inner wall of the first clamp body 1 needs to be tightly attached to the outer wall of the air-conditioning pipeline, at the moment, the ejector pin 42 is firstly extruded and deformed by the pipeline, so that the ejector pin is pressed into the first clamp body 1, the connecting rod 41 connected with the ejector pin transmits tripping force to the reset spring 4 to enable the reset spring to trip, the reset spring 4 compresses to further push the rotating shaft 3 to rotate, and the rotating part and the second clamp body 2 are driven by the rotating shaft 3 to do closing action to the first clamp body 1, so that closing self-locking and automatic assembly of. Preferably, the end of the thimble 42 is smoothly curved to avoid the thimble 42 from cutting the air conditioning duct.

Preferably, the first clip body 1 and the second clip body 2 are provided with an inserting structure at one end far away from the rotating shaft 3, and the inserting structure comprises a convex block 21 and a groove 11 in interference fit with the convex block 21. Preferably, the end surface of the bump 21 away from the rotating shaft 3 is provided with a diamond-shaped area array boss 211, specifically, the end surface is provided with a plurality of diamond-shaped area array bosses 211, and each diamond-shaped area array boss 211 is surrounded by a groove cut by two groups of rectangular bodies perpendicular to each other, that is, each diamond-shaped area array boss 211 is formed by cutting two groups of rectangular bodies perpendicular to each other. Preferably, the recess 11 is backed by a sheet reinforcement. Preferably, the projections 21 and the recesses 11 are trapezoidal. When the first clamp body 1 and the second clamp body 2 are closed, under the action of inertia, the trapezoidal convex block 21 is inserted into the trapezoidal groove 11, the trapezoidal convex block 21 is in interference fit with the trapezoidal groove 11, and the end face, away from the rotating part, of the trapezoidal convex block 21 is provided with the rhombic area array boss 211, the surface of the rhombic area array boss 211 of the trapezoidal convex block 21 is rough, when the rhombic area array boss 211 is mutually extruded with the trapezoidal groove 11 in interference fit with the rhombic convex block, the rhombic area array boss 211 is subjected to large static friction force, so that firm locking and anti-tripping effects are generated, the structure of the groove 11 with the draft angle is larger than that of a vertical fit structure, the tripping resistance is larger, and the clamping is firmer; when the first clip body 1 and the second clip body 2 are opened, the projection 21 is separated from the groove 11.

As an embodiment provided by the present invention, the self-clinching pipe clamp includes two pairs of clamp bodies, and the first clamp bodies 1 of the two pairs of clamp bodies are connected as a whole by a mounting plate 13. The first clamp body 1 and the second clamp body 2 of each pair of clamp bodies can have the same pipe diameter as the first clamp body 1 and the second clamp body 2 of the other pair of clamp bodies, and can also be different, namely, two pairs of clamp bodies with one larger clamp body and one smaller clamp body are presented. The rotating ends of the first clamp body 1 and the second clamp body 2 of each pair of clamp bodies, which are connected through the rotating shaft 3, can be connected with the mounting plate 13, or are far away from the mounting plate 13 and are connected with the mounting plate 13 through the other ends of the first clamp body and the second clamp body.

As a preferred embodiment of the present invention, one end of the second clamp body 2 close to the mounting plate 13 is an open end, and the other end far from the mounting plate 13 is a rotation end connected to the rotation shaft 3 (i.e. the rotation ends of the first clamp body 1 and the second clamp body 2 of each pair of clamp bodies connected through the rotation shaft 3 are both ends far from the mounting plate 13, and are connected to the mounting plate 13 by the other ends thereof). In this embodiment, the rotating ends of the first clamp body 1 and the second clamp body 2 of each pair of clamp bodies connected through the rotating shaft 3, namely the assembly reference of the rotating parts of one pair, are positioned in the middle of the mounting plate 13 of the first clamp body 1, so that the complex assembly application scene can be applied. As an embodiment of the present invention, the buckle 22 is disposed at one end of the second clip body 2 and on an outer side wall beside the insertion structure, and the slot 12 is disposed on the mounting plate 13, when the first clip body 1 and the second clip body 2 are closed, the buckle 22 is inserted into the slot 12 under an inertia effect, and the protrusion 21 and the groove 11 are matched, and the two fixing modes of the insertion structure and the clamping structure are overlapped to form a firmer and reliable locking effect. When the first clip body 1 and the second clip body 2 are opened, the buckle 22 is separated from the clamping groove 12. As another embodiment provided by the present invention, the buckle 22 is disposed on the second clip body 2, and the corresponding slot 12 is disposed on the first clip body 1. Preferably, the buckle 22 is L-shaped, and a boss for locking with the slot 12 is disposed on the top of the buckle 22. Preferably, the boss is triangular, and after the clip 22 is clipped into the clip groove 12, one end of the triangular boss 221 perpendicular to the clip 22 abuts against the end surface of the mounting plate 13, so as to better achieve the locking effect. Preferably, clasp 22 is made of an elastomeric material. The elastic buckle 22 has good elasticity, is matched tightly and is convenient to disassemble, and is matched with the trapezoidal lug 21 and the trapezoidal groove 11 to form double insurance, so that the clamping reliability and stability are higher.

According to the self-tightening type closing device, after a pipeline to be fixed is placed in place, the thimble 42 is touched to drive the return spring 4, the return spring 4 drives the pipe clamp to be automatically closed, compared with the existing pipe clamp fixing mode, when the same pipeline is fixed, the fastening structure is convenient to operate, assembly in a narrow pipeline design space can be met, a screw or a wire tie or a buckle 22 is not needed to be used in the whole process, the upper pipe clamp and the lower pipe clamp (the first clamp body 1 and the second clamp body 2) are not needed to be clamped through manual operation, the operation is more convenient, and the assembly time is greatly shortened; by adopting the trapezoidal lug 21 and the rhombic area array lug 211 designed on the lug 21, under a certain interference fit environment, a pipeline extrudes the trapezoidal lug 21 to generate pressure, and objects which are mutually contacted and extruded are generated according to a friction principle and generate sliding friction force related to the roughness of a contact surface, so that the rhombic area array lug 211 is matched with the elastic buckle 22, the matching is tight, the disassembly is convenient, and the fastening effect is better in 6-degree-of-freedom clamping effect in space; when the pipe clamp is dismantled, two fingers are used for breaking off from the elastic buckle 22 to two sides, the boss of the elastic buckle 22 is separated from the bayonet, the pressure of the rhombic surface array boss 211 on the convex block 21 and the surface of the trapezoidal groove 11 is reduced, the second clamp body 2 is lifted up, and the pipe clamp is very convenient to dismantle.

Preferably, the mounting plate 13 is provided with a mounting seat 5, in particular, a support seat may be preferentially mounted on the back of the mounting plate 13, i.e. on the side away from the second clamp body 2. The mounting base 5 is rotatably connected with a binding clip 6. Preferably, the binding clip 6 is of rubber material. As an embodiment provided by the invention, the supporting seat is a cylinder, one end of the supporting seat, which is far away from the mounting plate 13, is provided with a cylindrical groove body from the outer side surface inwards along the radial direction, the bottom plate of the jointing clamp 6 is provided with a through hole corresponding to the cylindrical groove body, the through hole is designed into a hole diameter which can meet the requirement that the jointing clamp 6 is clamped into the cylindrical groove of the supporting seat, and the axial rotation of the jointing clamp 6 around the supporting seat in the groove can be limited after the jointing clamp is clamped, so that the angle of the jointing clamp 6 can be adjusted at any time, the transverse or vertical direction jointing can be met, and. Preferably, one end of the jointing clamp 6, which is far away from the mounting base 5, is provided with a hook 61 which faces to an inner accommodating cavity of the jointing clamp, and the inner accommodating cavity of the hook 61 on the rotatable jointing clamp 6 can meet horizontal wiring, vertical wiring and certain oblique angle wiring, so that the applicable wiring application occasions are further expanded.

The invention also provides an air conditioner, which is provided with the self-tightening pipe clamp.

The invention realizes the automatic closing and fastening of the pipe clamp by combining the spring triggering and inserting structure with the clamping structure with double rotating parts, provides a pipe clamp structure design with a self-tightening function which is easy to install in production, ensures that no extrusion and friction exist between pipelines, adopts the fastening mode of triggering and combining the inserting and clamping by a spring thimble, effectively improves the reliability of pipeline fastening, does not need to use screws or wire binding for fastening, is more convenient to disassemble and assemble, and reduces the working strength of production and after-sale installation personnel; the pipe-line connector can still be reliably fastened in a pipe-line system with certain deviation, and meets the higher assembly requirement of the assembly line on lean production.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.