CN214579285U

CN214579285U - Plastic pipe clamp

Info

Publication number: CN214579285U
Application number: CN202120497938.4U
Authority: CN
Inventors: 陈磊
Original assignee: Wuhan Shengtai Plastic Mould Co ltd
Current assignee: Wuhan Shengtai Plastic Mould Co ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2021-11-02
Anticipated expiration: 2031-03-09

Abstract

The utility model discloses a plastic pipe clamp, which comprises an integrally formed connecting part and a pair of clamping parts, wherein the connecting part is of an arc structure, two ends of the connecting part are respectively connected with the clamping parts, the clamping parts are symmetrically arranged in parallel, and the axis of the clamping parts is perpendicular to the axis space of the connecting part; the clamping part is of a C-shaped structure and is provided with a clamping arm and a clamping head arranged at the free end of the clamping arm, a protruding structure is arranged on one side of the clamping arm close to the clamping head, the protruding structures on the clamping part are oppositely arranged, and the end face of the clamping arm far away from the protruding structure is smoothly arranged; the plastic pipe clamp is simple in structure, attractive in appearance, easy to manufacture and use, good in deformation capacity, good in toughness and strength and capable of clamping pipe fittings of various sizes.

Description

Plastic pipe clamp

Technical Field

The utility model relates to pipe fitting buckle technical field, concretely relates to plastics pipe strap.

Background

The pipe fittings are common in industry and daily life and comprise metal pipes, plastic pipes and the like; the plastic pipe is used as an important component of chemical building materials, is widely accepted by wide users due to excellent performance, sanitation, environmental protection, low consumption and the like, and mainly comprises a UPVC drain pipe, a UPVC water supply pipe, an aluminum-plastic composite pipe and a Polyethylene (PE) water supply pipe. When the pipe is installed, some auxiliary components are needed to realize the purpose of fixing and supporting.

For example, in 2018, a chinese utility model patent (publication No. CN207906586U) discloses a fine-tunable plastic pipe clamp, which includes: a concave arc's solid fixed ring, support gu fixed ring's base, setting are in otic placode, two screws of base one end, gu be provided with the long circular screw hole in the middle of the fixed ring, be provided with circular screw hole on the otic placode, the diameter of long circular hole slightly is greater than circular screw hole, the pole portion diameter of screw with the diameter phase-match in circular screw hole. This plastics pipe strap is though can finely tune, but needs more spiro union structure when fixed, and the block ability and the deformability of plastics pipe strap itself exist not enoughly moreover, and solid fixed ring's intensity and stability are not high.

Disclosure of Invention

The utility model aims at providing a plastic pipe strap to the problem that prior art exists.

In order to achieve the above object, the utility model adopts the following technical scheme:

a plastic pipe clamp comprises a connecting part and a pair of clamping parts which are integrally formed, wherein the connecting part is of an arc-shaped structure, two ends of the connecting part are respectively connected with the clamping parts, the pair of clamping parts are symmetrically arranged in parallel, and the axis of each clamping part is perpendicular to the axis space of the connecting part; the clamping part is of a C-shaped structure and is provided with a clamping arm and a clamping head arranged at the free end of the clamping arm, a protruding structure is arranged on one side, close to the clamping head, of the clamping arm, the protruding structures on the pair of clamping parts are arranged oppositely, and the end face, far away from the protruding structure, of the clamping arm is arranged smoothly.

The plastic pipe clamp is simple in structure, attractive in appearance, easy to manufacture and use, good in deformation capacity, good in toughness and strength and capable of clamping pipe fittings of various sizes.

Through connecting portion with the cooperation setting of block portion makes what the block arm can be firm blocks the pipe fitting, forms connection structure, works as moreover after the block arm blocks the pipe fitting, the pipe fitting with can also utilize in the space between the connecting portion inner wall to connect other pipe fittings or the part that needs to connect, make this pipe strap can follow two directions at least and block different pipe fittings.

The clamping performance can be improved and the stability of clamping connection can be ensured due to the arrangement of the pair of clamping parts, and the pair of clamping parts can also deform in the axial direction (of the clamping parts) under the action of the arc-shaped connecting part, so that the clamping force and the stress position can be adjusted. The engaging arms on the pair of engaging portions may be linked or may be independently adjusted and engaged.

The arrangement of the clamping head facilitates clamping of the pipe fitting, the clamping head has a circular arc-shaped profile, and the pipe fitting can well slide along the outer circumference of the pipe fitting, so that the clamping arm clamps the pipe fitting, and meanwhile, the clamping head has a certain tightening effect after clamping is completed, and clamping is more stable. The setting of protruding structure has limiting displacement, avoids a pair of block arm too close near that warp the in-process, also can form the slope in both sides, and forms accommodation space between the connecting portion.

Furthermore, the inner circumferential surface of the connecting part is a semicircular arc surface and is in smooth transition with the inner side of the clamping part respectively; the peripheral surface of the connecting part is composed of a section plane in the middle and a quarter arc surface symmetrically arranged on two sides.

The connecting part adopting the structure can have better deformability, is separated or folded in the clamping parts, and has higher strength and is not easy to break in the reciprocating deformation process because the radial thickness of the quarter arc surface is greater than that of the middle plane.

Furthermore, the two end faces of the connecting portion are inclined planes, and an included angle between the two end faces of the connecting portion is 10-15 degrees. The inclined plane is arranged to facilitate arc transition at the joint of the inclined plane and the clamping arm.

Furthermore, the axial length of the connecting portion is smaller than the inner diameter of the clamping arm, the circle center of the outer diameter of the clamping arm and the circle center of the inner diameter of the clamping arm are arranged in a collinear and offset mode, and the circle center of the outer diameter is arranged at one side of the connecting portion in a deviation mode.

By such an arrangement, the radial width of the engaging arm from the connecting portion to the engaging head portion is gradually reduced, and the centers of the inner and outer diameters are on the same line, so that the connection strength of the root portion of the engaging arm can be ensured, and the free end of the engaging arm can be easily deformed.

Furthermore, the protruding structure forms two slopes on the end surface of the inner side of the clamping arm, and the slope of the slope close to one side of the clamping head is smaller than the slope of the slope on the other side.

Furthermore, the clamping head is of a cylinder structure, and the outer diameter of the cylinder structure is larger than the radial thickness of the clamping arm.

Further, the connecting portion with the outward flange of block portion all rounds the angle setting. All outward flange fillets' setting is convenient for hand, avoids the acute angle to hinder people and hinder the thing.

Furthermore, the connecting part and the clamping part are plastic parts made of POM materials. POM is milky opaque crystalline linear thermoplastic resin, has good comprehensive performance and colorability, higher elastic modulus, higher rigidity and hardness, and specific strength and specific rigidity close to those of metal. The pipe strap made of the POM material can be integrally formed by injection molding, and has good elasticity, so that the pipe strap can be used for products such as automobile parts, machine tools, instrument internals, toys and the like which need to be clamped with pipe fittings.

Furthermore, the inner arc surface of the clamping part is provided with anti-skid lines. The anti-slip lines can increase friction force and reduce the slipping phenomenon caused by clamping the smooth pipe fittings.

Furthermore, a groove is formed in the inner arc surface of the clamping portion, and a magnet or an adhesive strip is embedded in the groove. The recess also can follow the block arm integrated into one piece drawing of patterns comes, sets up magnet or viscose strip inside, even metal pipe fitting or plastics pipe fitting that can be better, reinforcing connection and location ability.

Compared with the prior art, the beneficial effects of the utility model are that: 1. the plastic pipe clamp has the advantages of simple structure, attractive appearance, easiness in manufacturing and use, better deformability, better toughness and strength, and capability of clamping pipe fittings of various sizes; 2. through the matching arrangement of the connecting part and the clamping part, the pipe clamp can clamp different pipes at least from two directions to form a multidirectional connecting structure; 3. the clamping performance can be improved due to the arrangement of the pair of clamping parts, the stability of clamping connection is ensured, and the clamping parts can be linked and can be independently adjusted and clamped; 4. the clamping head can well slide along the outer circumference of the pipe fitting, so that the clamping arm clamps the pipe fitting, and meanwhile, the clamping head has a certain tightening effect after clamping is finished, so that clamping is more stable; the arrangement of the protruding structure has a limiting effect, and the situation that the pair of clamping arms are close to each other in the deformation process is avoided.

Drawings

Fig. 1 is a schematic perspective view of a plastic pipe clamp according to the present invention;

fig. 2 is a schematic top view of the plastic pipe clamp of the present invention;

fig. 3 is a schematic front view of a plastic pipe clamp according to the present invention;

fig. 4 is a schematic side view of a plastic pipe clamp according to the present invention;

fig. 5 is a schematic structural view of another engaging arm of a plastic pipe clamp according to the present invention;

in the figure: 1. a connecting portion; 101. a middle plane; 102. a quarter arc surface; 103. an end bevel; 2. a fastening part; 201. a snap-fit arm; 202. clamping the head; 203. a raised structure; 204. a first slope surface; 205. a second slope surface; 3. rounding off; 4. a groove; 5. and (6) gluing the strips.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments of 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.

In the description of the present invention, it should be noted that the terms "middle", "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The first embodiment is as follows:

as shown in fig. 1 to 4, a plastic pipe clamp includes a connecting portion 1 and a pair of engaging portions 2, which are integrally formed, the connecting portion 1 is of an arc structure, two ends of the connecting portion 1 are respectively connected with the engaging portions 2, the pair of engaging portions 2 are symmetrically arranged in parallel, and an axis of the engaging portion 2 is perpendicular to an axis space of the connecting portion 1; the clamping portion 2 is a C-shaped structure, and has a clamping arm 201 and a clamping head 202 arranged at a free end of the clamping arm 201, a protruding structure 203 is arranged on one side of the clamping arm 201 close to the clamping head 202, the protruding structures 203 on a pair of clamping portions 2 are oppositely arranged, and the outer end face of the clamping arm 201 away from the protruding structure 203 is smoothly arranged.

For convenience of direction understanding, the axial direction and the radial direction are explained as follows, referring to fig. 1 and 2, the axial direction of the engaging portion is a vertical direction, and the axial direction of the connecting portion is a horizontal direction.

Through connecting portion 1 with the cooperation setting of block portion 2 makes block that the arm 201 can be firm blocks the pipe fitting, forms connection structure, works as moreover block after the arm 201 blocks the pipe fitting, the pipe fitting with can also utilize in the space between the 1 inner walls of connecting portion to connect other pipe fittings or the part that needs to connect, make this pipe strap can block different pipe fittings from two directions at least.

The pair of clamping parts 2 can improve the clamping performance and ensure the stability of clamping connection, and on the other hand, under the action of the arc-shaped connecting part 1, the pair of clamping parts 2 can also deform in the axial direction (of the clamping part), which is beneficial to adjusting the clamping force and the stress position. The engaging arms on the pair of engaging portions may be linked or may be independently adjusted and engaged.

The arrangement of the clamping head 202 facilitates clamping of the pipe fitting, the clamping head has a circular arc-shaped profile, and can well slide along the outer circumference of the pipe fitting, so that the clamping arm 201 clamps the pipe fitting, and meanwhile, the clamping head 202 has a certain tightening effect after clamping is completed, so that clamping is more stable. The arrangement of the convex structure 203 has a limiting effect, so that the situation that the pair of clamping arms 201 are too close to each other in the deformation process is avoided, slopes can be formed on two sides, and an accommodating space is formed between the connecting parts.

Furthermore, the inner circumferential surface of the connecting part 1 is a semi-arc surface and is in smooth transition with the inner side of the clamping part 2; the peripheral surface of the connecting part 1 consists of a middle plane 101 and quarter arc surfaces 102 symmetrically arranged on two sides.

The connecting part adopting the structure has better deformability, the pair of clamping parts 2 can be conveniently separated or folded, and the radial thickness of the quarter arc surface 102 is larger than that of the middle plane 101, so that the quarter arc surface 102 has higher strength and is not easy to break in the reciprocating deformation process.

Further, both end surfaces of the connecting portion 1 are end inclined surfaces 103, and an included angle between plane extension surfaces of the end inclined surfaces 103 is 15 °. The inclined surface is arranged to facilitate the arc transition at the outer connection position of the clamping arm 201.

Further, the axial length of the connecting portion 1 is smaller than the inner diameter of the clamping arm 201, the circle center of the outer diameter of the clamping arm 201 and the circle center of the inner diameter of the clamping arm 201 are collinear and arranged in an offset manner, and the circle center of the outer diameter is arranged at a position deviated to one side of the connecting portion 1.

With such an arrangement, the radial width of the engaging arm 201 from the connecting portion 1 to the engaging head portion 202 is gradually reduced, and the centers of the inner and outer diameters are on the same line, so that the connection strength of the root portion of the engaging arm 201 can be ensured, and the deformation of the free end of the engaging arm 201 can be facilitated.

Further, the protruding structure 203 forms two slopes on the inner end surface of the engaging arm 201, and the slope of the second slope 205 on one side close to the engaging head is smaller than the slope of the first slope 204 on the other side. The arrangement makes the axial width of the engaging arm 201 gradually changed, and the engaging arm is thicker at the position not to be stressed and has higher strength, the first slope surface 204 extends to the inner arc surface of the connecting part 1, the second slope surface 205 extends to the engaging head 202, and the end surface of the engaging head 202 is also an inclined surface.

Further, the engaging head 202 is a cylindrical structure, and the outer diameter of the cylindrical structure is larger than the radial thickness of the engaging arm 201.

Further, the connecting portion 1 and the outer edge of the clamping portion 2 are both rounded 3. All outward flange fillets' setting is convenient for hand, avoids the acute angle to hinder people and hinder the thing.

Furthermore, the connecting part 1 and the clamping part 2 are both plastic parts made of POM materials. POM is milky opaque crystalline linear thermoplastic resin, has good comprehensive performance and colorability, higher elastic modulus, higher rigidity and hardness, and specific strength and specific rigidity close to those of metal. The pipe strap made of the POM material can be integrally formed by injection molding, and has good elasticity, so that the pipe strap can be used for products such as automobile parts, machine tools, instrument internals, toys and the like which need to be clamped with pipe fittings.

Example two:

the present embodiment is different from the first embodiment in that an engaging portion of another structure is provided.

Specifically, the inner arc surface of the clamping part 2 is provided with anti-skid lines. The anti-slip lines can increase friction force and reduce the slipping phenomenon caused by clamping the smooth pipe fittings.

Example three:

the present embodiment is different from the first embodiment in that an engaging portion having another structure is provided.

As shown in fig. 5, a groove 4 is formed on the inner arc surface of the engaging portion 2, and an adhesive strip 5 is embedded in the groove 4. Recess 4 also can follow the drawing of patterns of block arm 201 integrated into one piece comes, sets up viscose strip 5 inside, and even pipe fitting that can be better strengthens connecting and location ability.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A plastic pipe clamp is characterized by comprising a connecting part and a pair of clamping parts which are integrally formed, wherein the connecting part is of an arc-shaped structure, two ends of the connecting part are respectively connected with the clamping parts, the pair of clamping parts are symmetrically arranged in parallel, and the axis of the clamping part is perpendicular to the axis space of the connecting part; the clamping part is of a C-shaped structure and is provided with a clamping arm and a clamping head arranged at the free end of the clamping arm, a protruding structure is arranged on one side, close to the clamping head, of the clamping arm, the protruding structures on the pair of clamping parts are arranged oppositely, and the end face, far away from the protruding structure, of the clamping arm is arranged smoothly.

2. The plastic pipe clamp according to claim 1, wherein the inner circumferential surface of the connecting portion is a semi-circular arc surface, and is in smooth transition with the inner side of the engaging portion; the peripheral surface of the connecting part is composed of a section plane in the middle and a quarter arc surface symmetrically arranged on two sides.

3. The plastic pipe clamp according to claim 1, wherein both end surfaces of the connecting portion are inclined surfaces, and an included angle between the both end surfaces of the connecting portion is 10-15 °.

4. The plastic pipe clamp according to claim 1, wherein the axial length of the connecting portion is smaller than the inner diameter of the engaging arm, the center of the circle of the outer diameter of the engaging arm is collinear with and offset from the center of the circle of the inner diameter of the engaging arm, and the center of the circle of the outer diameter is offset to one side of the connecting portion.

5. The plastic pipe clamp according to claim 1, wherein the protrusion forms two slopes on the inner end surface of the engaging arm, the slope of the slope on one side near the engaging head being less than the slope of the slope on the other side.

6. A plastic pipe clamp according to claim 1, wherein the snap head is a cylindrical structure having an outer diameter greater than a radial thickness of the snap arms.

7. A plastic pipe clamp according to claim 1, wherein the outer edges of the connecting portion and the engaging portion are rounded.

8. The plastic pipe clamp according to claim 1, wherein said connecting portion and said engaging portion are both plastic parts made of POM material.

9. The plastic pipe clamp according to claim 1, wherein the inner arc surface of the engaging portion is provided with anti-slip threads.

10. The plastic pipe clamp according to claim 1, wherein a groove is formed on an inner arc surface of the engaging portion, and a magnet or an adhesive strip is embedded in the groove.