CN216896146U

CN216896146U - Pre-expansion type elastic hoop component

Info

Publication number: CN216896146U
Application number: CN202121426113.XU
Authority: CN
Inventors: 姜伟
Original assignee: Wuxi Ward Auto Parts Co ltd
Current assignee: Wuxi Dechuang Automotive Parts Co.,Ltd.
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-07-05
Anticipated expiration: 2031-06-25

Abstract

The utility model relates to the field of mechanical engineering, and discloses a pre-expansion type elastic clamp assembly, which comprises a pre-expansion type elastic clamp and an elastic clamp releasing piece used for releasing the pre-expansion type elastic clamp, wherein the elastic clamp releasing piece comprises a handle and a tool head, the tool head is provided with an installation main body arranged at the end part of a wrench, and a floor tooth obliquely arranged with the installation main body, an abutting groove is arranged on the first surface of the installation main body, and a supporting bulge is arranged on the fourth surface of the floor tooth, so when the clamp of the pre-expansion type elastic clamp is released, the supporting bulge or the abutting groove can be used as a fulcrum, the top end of the floor tooth is used as another fulcrum, and then the handle is rotated to release the pre-expansion type elastic clamp. Therefore, the pipe fitting can be safely and quickly fixed by using the pre-expansion type elastic clamping hoop component provided by the utility model.

Description

Pre-expansion type elastic hoop component

Technical Field

The utility model relates to the field of mechanical engineering, in particular to a pre-expansion type elastic hoop component.

Background

In many places in the automobile, the connection is carried out through pipe fittings, such as a water pipe, an air inlet pipe, an oil pipe and the like. Because the working condition of the automobile has temperature difference, the pipe fitting expands with heat and contracts with cold, and the tightness of the elastic clamp can change along with the change of the expansion with heat and the contraction with cold of the pipe fitting, thereby the pipe fitting is connected in a sealing way.

Prior art spring clips typically include a pre-expanded type and a non-pre-expanded type.

Wherein, the clamp both ends of non-pre-expansion type are the clamping part of platelike big foot and small foot, hold big foot and small foot through the first centre gripping that pliers both ends correspond, make the elasticity clamp open after exerting oneself, then one hand is tightly held the pipe fitting and is prevented that the pipe fitting from breaking away from the mounted position and another hand need tightly hold the pliers and make the elasticity clamp cover after opening on the fixed position mark of pipe fitting, loosen the pliers at last and make the elasticity clamp automatic contraction fix the pipe fitting under the effect of its elasticity. In the process of expanding the elastic clamp and fixing the elastic clamp, one hand needs to tightly hold the pliers so as to ensure that the elastic clamp is in an expanded state, so that the operation is inconvenient; the clamping force applied to the pliers is not stable enough, so that the elastic clamp can easily fly out, and workers can be injured, thus being unsafe; the inexperience easily injures oneself and others, and the installation efficiency is low, so the pipe fitting connecting personnel have higher requirements on operation.

The pre-expanded elastic clamp eliminates the step of expanding the elastic clamp during the sealing connection of the pipe fittings, so that the pipe fittings can be easily sleeved by the elastic clamp by the pipe fittings connecting personnel. However, when the pre-expansion type elastic clamp is released, a tool such as a screwdriver is needed, the surface of the screwdriver is smooth, so that the screwdriver is easy to slip during operation, operators connected with the pipe fitting are easy to hurt and the leakage problem is caused by the damage of a rubber pipe on the surface of the pipe fitting, and the difficulty in releasing the elastic clamp is increased to a certain extent. In addition, some special pre-expanded spring clips cannot be released by a screwdriver.

SUMMERY OF THE UTILITY MODEL

The present invention has been made to solve the above problems, and an object of the present invention is to provide a pre-expansion type elastic band unit.

The utility model provides a pre-expansion type elastic hoop component, which is used for fixing a pipe fitting and comprises the following components: the utility model provides a pre-open type elasticity clamp and be used for releasing the elasticity clamp release of pre-open type elasticity clamp, wherein, elasticity clamp release includes handle and tool head, the tool head is installed at the handle tip, this tool head has installation main part and installs the board tooth at the edge of installation main part, the installation main part has butt recess and relative first surface and the second surface that sets up, butt recess sets up at the second surface, the board tooth has supporting protrusion and relative third surface and the fourth surface that sets up, the third surface is connected with the first surface, the fourth surface is connected with the second surface, supporting protrusion sets up at the fourth surface, the board tooth sets up on the installation main part aslope, make first surface and third surface be the obtuse angle.

The utility model also provides a pre-tensioned sprung band assembly including: the mounting main body is rectangular and provided with four edges, and one edge of the mounting main body is mounted on the handle; the number of the plate teeth is three, and the three plate teeth are respectively arranged on the rest three edges of the installation main body.

The utility model also provides a pre-tensioned sprung band assembly including: the pre-expansion elastic hoop comprises a clamping part, a limiting part and a butting part, wherein the limiting part and the butting part are respectively arranged at two ends of the clamping part; the supporting part is provided with a small foot arranged towards the limiting part, the limiting part is provided with a large foot and a spring bolt which is arranged on the large foot and is matched with the plate tooth, and the spring bolt is provided with a limiting hole matched with the small foot; when the small foot is positioned in the limiting hole, the limiting part is in a pre-opening state.

The utility model also provides a pre-tensioned sprung band assembly including: wherein, the big foot sets up the second swash plate at first swash plate including the slope setting in the first swash plate in the clamping part outside and slope, and the one end of spring bolt is installed at the second swash plate, and the appearance in spacing hole is circularly, and spacing portion still includes to set up the piece that sticks up at the other end of spring bolt aslope, and this piece that sticks up is used for leading the little foot to spacing hole.

The utility model also provides a pre-tensioned sprung band assembly including: the pre-expansion elastic hoop comprises a clamping part, a limiting part and a butting part, wherein the limiting part and the butting part are respectively arranged at two ends of the clamping part; the limiting part is provided with a small foot which is obliquely arranged towards the outer side of the clamping part and a nose bridge which is positioned on one side of the small foot; the abutting part is provided with a big foot which is obliquely arranged towards the outer side of the clamping part, and the big foot is provided with a through hole matched with the plate tooth; the end part of the small foot is provided with a first tilting, the end part of the large foot is provided with a second tilting, and the first tilting and the second tilting are deviated; when the big foot is positioned between the nose bridge and the small foot and is propped against the nose bridge, the clamping part is in a pre-opening state; when the big foot is separated from the nose bridge, the clamping part is in a releasing state, so that the clamping part is contracted to clamp the pipe fitting.

The utility model also provides a pre-tensioned sprung band assembly including: wherein, the size and the type elasticity clamp phase-match of opening in advance of board tooth for the top through the board tooth during use offsets with the spring bolt, and offsets the support bulge with supporting portion, thereby will be in the type elasticity clamp of opening in advance under the state of opening in advance and release.

The utility model also provides a pre-tensioned sprung band assembly including: wherein, the size and the elasticity clamp phase-match of the type of opening in advance of instrument head for through propping abutment recess and installation main part during the use, and with board tooth and through hole counterbalance, thereby will be in the type of opening in advance elasticity clamp of opening in advance under the state and release.

The utility model also provides a pre-tensioned sprung band assembly including: wherein, the quantity of tool head is two, and two tool heads are installed respectively at the both ends of handle, and lie in same one side of handle.

The utility model also provides a pre-tensioned sprung band assembly including: the mounting main body of one tool head is perpendicular to the handle, and the mounting main body of the other tool head is obliquely arranged with the handle, and the oblique angle is an obtuse angle.

The utility model also provides a pre-tensioned sprung band assembly including: wherein, the tip of handle is equipped with the strengthening rib.

Action and effect of the utility model

According to the utility model, the pre-expansion type elastic clamp assembly comprises the pre-expansion type elastic clamp and an elastic clamp releasing piece, wherein the elastic clamp releasing piece comprises a handle and a tool head, the tool head is provided with a mounting main body mounted at the end part of the handle and a floor tooth obliquely arranged with the mounting main body, the first surface of the mounting main body is provided with an abutting groove, and the fourth surface of the floor tooth is provided with a supporting bulge. Therefore, the pipe fitting can be safely and quickly fixed by using the pre-expansion type elastic clamping hoop component provided by the utility model.

Drawings

FIG. 1 is a perspective view of the spring clip release member of the present embodiment;

FIG. 2 is a front view of the spring clip release of the present embodiment;

FIG. 3 is an enlarged view at A in FIG. 1;

FIG. 4 is a sectional view of the tool head in the present embodiment;

FIG. 5 is a schematic view of a first pre-stretch springing clip of the present embodiment; and

fig. 6 is a schematic view of a second pre-stretch springing clip in this alternative embodiment.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the utility model easy to understand, the utility model is specifically described below by combining the embodiment and the attached drawings.

< example >

The pre-expanded clamp assembly 100 in this embodiment includes a clamp release 1, a first pre-expanded clamp 2, and a second pre-expanded clamp 3.

Fig. 1 is a perspective view of a spring band release member in this embodiment, fig. 2 is a front view of the spring band release member in this embodiment, fig. 3 is an enlarged view at a in fig. 1 and fig. 4 is a sectional view of a tool head in this embodiment.

As shown in fig. 1 and 4, the springing clip release 1 in this embodiment comprises a handle 11 and two tool bits 14.

The handle 11 is shaped like a ribbon. The middle part of the handle 11 is coated with a layer of rubber coating 12, two ends of the handle 11 are respectively provided with a reinforcing rib 13, and the length direction of the reinforcing ribs 13 is parallel to the length direction of the handle 11, so that the bending strength of the end part of the handle 11 is improved.

As shown in fig. 3 to 4, the tool bit 14 in the present embodiment is mounted with a main body 141 and three plate teeth 142.

The mounting body 141 has a first surface 141a, a second surface 141b, and an abutment groove 141 c.

In the present embodiment, the mounting body 141 is a rectangular plate having four edges. The first surface 141a and the second surface 141b are disposed in parallel. The mounting body 141 is mounted to the end of the handle by one of the edges.

The abutment groove 141c is provided at a central position of the second surface 141 b. In the present embodiment, the first surface 141a is formed as a protrusion by pressing the second surface 141b of the mounting body 141 such that the second surface 141b is formed with the abutment groove 141 c.

Three plate teeth 142 are respectively installed at the remaining three edges of the mounting body 141. In this embodiment, the plate tooth 142 and the mounting main body 141 are an integrally formed structure, and the three plate teeth 142 are all bent toward one side of the mounting main body 141, so that an included angle between the plate tooth 142 and the mounting main body 141 is an obtuse angle.

The plate tooth 142 is in a strip shape, and has a third plane 142a and a fourth plane 142b which are arranged in parallel, the third plane 142a is connected with the first plane 141a of the mounting body 141, and the fourth plane 142b is connected with the second plane 141 b.

The supporting protrusion 142c is installed on the fourth plane 142b, in this embodiment, the surface of the supporting protrusion 142c abutting against the pre-expansion type elastic band 2 is a spherical surface, and the supporting protrusion 142c is formed by the fourth plane 142b by punching the third plane 142a of the plate tooth 142.

In addition, in the present embodiment, the plate tooth 142 further includes a fifth plane 142d connected to the fourth plane 142b, and the fifth plane 142d and the fourth plane 142b are obliquely disposed, so that the head end of the plate tooth 142 is wedge-shaped.

In this embodiment, the number of the tool bits 14 is two, two tool bits 14 are respectively installed at two ends of the wrench and are disposed on the same side, wherein the installation body 141 of one tool bit 14 is perpendicular to the handle 11, the installation body 141 of the other tool bit 14 is inclined to the handle 11, and an inclination angle between the installation body 141 of the tool bit 14 and the handle 11 is an obtuse angle.

In addition, in order to improve the connection strength between the handle 11 and the tool head 14, the handle 11 and the tool head 14 are integrally formed, and the tool head 14 is arranged vertically and obliquely to the handle 11 by bending.

FIG. 5 is a schematic view of the first pre-stretch clip of the present embodiment.

As shown in fig. 5, the first pre-expansion type elastic band 2 in this embodiment includes a first clamping portion 21, and a first abutting portion 22 and a first limiting portion 23 respectively installed at two ends of the first clamping portion 21.

The first clamping portion 21 is a C-shaped plate.

The first abutting portion 22 includes a small leg arc 221 and a small leg 222.

The small foot arc 221 has a large end and a small end, and the width of the large end of the small foot arc 221 gradually decreases to the width of the small end. The large end of the small foot arc 221 is attached to one end of the first clamping portion 21.

The small foot 222 is mounted on the small end of the small foot arc 221 and is located on the outer side of the small foot arc 221.

The first position-limiting portion 23 includes a large-foot arc 231, a large foot 232, a locking tongue 233, a position-limiting hole 234 and a tilted block 235.

One end of the big foot arc 231 is provided with a big foot hollow 231a matched with the small foot 222. The other end of the large leg arc 231 is attached to the other end of the first clamping portion 21.

Big foot 232 has first swash plate 232a and second swash plate 232b, and wherein, the one end that big foot circular arc 231 has big foot fretwork 231a is installed to first swash plate 232 a's one end, and just first swash plate 232a sets up with the slope of first clamping part, and the contained angle of slope is the obtuse angle. The other end at first swash plate 232a is installed to the one end of second swash plate 232b, and second swash plate 232b sets up with first swash plate 232a slope, and the contained angle of slope is the obtuse angle, and little foot 222 is kept away from to this second swash plate 232 b.

One end of the locking tongue 233 is installed at the second inclined plate 232b, and the locking tongue 233 is arranged in parallel with the second inclined plate 232 b.

The stopper hole 234 is provided on the latch tongue 233. In this embodiment, the limiting hole 234 is circular for engaging the small foot 222.

The tilted block 235 is obliquely installed at the other end of the locking tongue 233, and an included angle between the tilted block 235 and the locking tongue 233 is an obtuse angle.

As shown in fig. 6, the second pre-expansion type elastic band 3 provided by this embodiment includes a second clamping portion 31, and a second abutting portion 32 and a second limiting portion 33 respectively installed at two ends of the second clamping portion 31.

The second clamping portion 31 is a C-shaped plate.

The second abutting portion 32 includes a small leg arc 321 and a small leg 322. One end of the small foot arc 321 is attached to one end of the second clamping portion 31. The small foot 322 is installed at the other end of the small foot arc 321 and is located at the outer side of the small foot arc 321.

In addition, a nose bridge 32b is provided on the lateral side of the small foot arc 321, and the nose bridge 32b is positioned on one side of the small foot 322 and is inclined to the small foot 322.

The second stopper 33 includes a large foot arc 331 and a large foot 332.

The middle part of the big foot arc 331 is provided with a big foot hollow. The other end of the large leg arc 331 is attached to the other end of the second clamping portion 31.

The big foot 332 is installed at the other end of the big foot arc 331 and is located on the outer side surface of the big foot arc 331. The big foot 332 has a circular through hole 33b and a nose and an eye below the through hole 33b to abut against the nose bridge 32 b.

In addition, the end of the small foot 322 has a first turn-up 32c, the end of the large foot 332 has a second turn-up 33c, and the first turn-up 32c is away from the second turn-up 33 c.

When the big foot 332 is located between the small foot 322 and the nose bridge 32b and is against the nose bridge 32b, the second clamping portion 31 is in the pre-opened state.

When the first pre-expanded clamp 2 is released using the clamp release 1 provided in this embodiment:

the tool head 14 of the elastic clamp release 1 is placed on the first pre-expansion elastic clamp 2, the top end of the plate tooth 142 abuts against the bolt 233 to serve as a fulcrum of the lever, the supporting protrusion 142c abuts against the outer side surface of the small foot arc 221 to serve as another fulcrum of the lever, then the handle 1 is rotated to enable the small foot 222 to be separated from the limiting hole 233, and the first clamping portion 21 is contracted under the action of self elasticity of the first clamping portion, so that the pipe fitting is fixed.

When the second pre-expanded clamp 3 is released using the clamp release 1 provided in this embodiment:

the tool head 14 of the elastic clamp release 1 is placed on the second pre-expansion elastic clamp 2, the top end of the plate tooth 142 extends into the through hole 33a to abut against the big foot 322 to serve as a fulcrum of the lever, the first tilting 32c on the small foot 322 abuts against the mounting main body 141 through the abutting groove 141c to serve as another fulcrum of the lever, then the handle 1 is rotated to enable the big foot 322 to be separated from the nose bridge 32b, and the second clamping portion 31 contracts under the action of the elasticity of the second clamping portion 31, so that the pipe fitting is fixed.

Effects and effects of the embodiments

According to the present embodiment, there is provided a pre-expansion type clamp band assembly including a pre-expansion type clamp band and a clamp band release member including a handle and a tool head, wherein the tool head has a mounting body mounted on an end portion of a wrench and a floor tooth provided obliquely to the mounting body, an abutting groove is provided on a first surface of the mounting body, and a supporting protrusion is provided on a fourth surface of the floor tooth. Therefore, when using elasticity clamp release first pre-expansion type elasticity clamp, place elasticity clamp release on first pre-expansion type elasticity clamp to support protruding fulcrum as the lever, regard the another fulcrum of plate tooth as the lever, make the instrument head can place stably at first pre-expansion type elasticity clamp, release pre-expansion type elasticity clamp through lever motion at last. When using elasticity clamp release second to open type elasticity clamp in advance, place elasticity clamp release on the second is open type elasticity clamp in advance to the butt recess is as a fulcrum of lever, uses the board tooth as another fulcrum of lever, makes the instrument head can place in second opening type elasticity clamp in advance steadily, releases opening type elasticity clamp in advance through the lever motion at last. Therefore, the use of the pre-expanded clamp assembly of this embodiment provides for secure and quick securing of the pipe elements.

Further, since the clamp release can release the first and second pre-expanded clamps, the clamp release has versatility and practicality.

Further, because elasticity clamp release has two tool heads that the inclination is different, every tool head has the board tooth of different positions, consequently, the user can select suitable tool head and release the type elasticity clamp of opening in advance through certain suitable board tooth of this tool head according to the in-service use operating mode to work efficiency has been improved.

Furthermore, because the two ends of the handle are provided with the reinforcing ribs, the bending strength of the handle can be improved, and the service life of the elastic clamp release piece is prolonged.

Furthermore, the round shape of the limiting hole in the first pre-expansion elastic clamp is round, so that the small foot can be led into the limiting hole more easily.

Furthermore, the tail end of the lock tongue in the first pre-expansion elastic hoop is provided with the tilted raised block, so that a small foot can enter the limiting hole more easily.

Furthermore, the large foot of the first pre-expansion type elastic clamp is V-shaped, so that a user can safely and effectively release and open the pre-expansion type clamp.

The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention.

Claims

1. A pre-expanded resilient clamp assembly for securing a pipe, comprising:

a pre-expanded type elastic clamp and an elastic clamp release member for releasing the pre-expanded type elastic clamp,

wherein the spring band release comprises a handle and a tool bit,

the tool head is arranged at the end part of the handle and is provided with a mounting main body and a plate tooth arranged at the edge of the mounting main body,

the mounting body has an abutment recess and oppositely disposed first and second surfaces, the abutment recess being disposed at the second surface,

the plate tooth is provided with a supporting protrusion, a third surface and a fourth surface which are oppositely arranged, the third surface is connected with the first surface, the fourth surface is connected with the second surface, the supporting protrusion is arranged on the fourth surface,

the plate tooth is obliquely arranged on the mounting main body, so that an included angle between the first surface and the third surface is an obtuse angle.

2. The pre-tensioned spring band assembly of claim 1, wherein:

wherein the mounting body is rectangular having four edges, one of the edges of the mounting body being mounted on the handle;

the number of the plate teeth is three, and the three plate teeth are respectively arranged on the rest three edges of the mounting main body.

3. The pre-tensioned spring band assembly of claim 1, wherein:

the pre-expansion type elastic hoop comprises a clamping part, a limiting part and a butting part, wherein the limiting part and the butting part are respectively arranged at two ends of the clamping part, and the butting part is positioned at one side of the limiting part;

the propping part is provided with a small foot arranged towards the limiting part,

the limiting part is provided with a large foot and a spring bolt which is arranged on the large foot and is matched with the plate tooth, and the spring bolt is provided with a limiting hole matched with the small foot;

when the small foot is positioned in the limiting hole, the limiting part is in a pre-opening state.

4. The pre-tensioned spring band assembly of claim 3 wherein:

wherein the big foot comprises a first inclined plate obliquely arranged on the outer side of the clamping part and a second inclined plate obliquely arranged on the first inclined plate,

one end of the lock tongue is arranged on the second inclined plate,

the shape of the limiting hole is round,

the limiting portion further comprises a warping block obliquely arranged at the other end of the lock tongue, and the warping block is used for guiding the small foot to the limiting hole.

5. The pre-tensioned spring band assembly of claim 1, wherein:

the pre-expansion elastic hoop comprises a clamping part, a limiting part and a butting part, wherein the limiting part and the butting part are respectively arranged at two ends of the clamping part;

the limiting part is provided with a small foot which is obliquely arranged towards the outer side of the clamping part and a nose bridge which is positioned on one side of the small foot;

the butting part is provided with a large foot which is obliquely arranged towards the outer side of the clamping part, and the large foot is provided with a through hole matched with the plate tooth;

the end part of the small foot is provided with a first tilting, the end part of the large foot is provided with a second tilting, and the first tilting and the second tilting are deviated;

when the big foot is positioned between the nose bridge and the small foot and is abutted against the nose bridge, the clamping part is in a pre-opening state;

when the big foot is separated from the nose bridge, the clamping part is in a releasing state, so that the clamping part is contracted to clamp the pipe fitting.

6. The pre-tensioned spring band assembly of claim 3 wherein:

the size of the plate tooth is matched with the pre-expansion type elastic clamp, so that the top end of the plate tooth is abutted to the spring bolt when the pre-expansion type elastic clamp is used, the supporting protrusion is abutted to the abutting portion, and the pre-expansion type elastic clamp in a pre-expansion state is released.

7. The pre-tensioned spring band assembly of claim 5, wherein:

wherein, the size of tool head with pre-opening type elasticity clamp phase-match for during the use through with the butt recess with installation main part offsets, and will the board tooth with the through hole offsets, thereby will be in under the pre-opening state pre-opening type elasticity clamp releases.

8. The pre-tensioned spring band assembly of claim 1, wherein:

the tool heads are arranged at two ends of the handle respectively and are positioned at the same side of the handle.

9. The pre-tensioned spring band assembly of claim 7, wherein:

wherein the mounting body of one of the tool heads is arranged perpendicular to the handle,

the other mounting main body of the tool head and the handle are arranged in an inclined mode, and the inclined angle is an obtuse angle.

10. The pre-tensioned spring band assembly of claim 1, wherein:

wherein, the tip of handle is equipped with the strengthening rib.