CN213745404U

CN213745404U - T-shaped clamp with spring

Info

Publication number: CN213745404U
Application number: CN202022047917.0U
Authority: CN
Inventors: 张其锋; 黄吕斌; 鲁丰
Original assignee: Yuyao Hengwei Clamp Co ltd
Current assignee: Yuyao Hengwei Clamp Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-07-20
Anticipated expiration: 2030-09-17

Abstract

The application relates to a T-shaped band spring clamp which comprises a steel band, a T-shaped screw, a locking nut, a tee joint and a locking spring; the steel belt is provided with a fixed end and a movable end; the tee joint is rotatably arranged at the movable end and is provided with an installation through hole; the T-shaped screw comprises a T-shaped head and a screw part, the T-shaped head is rotatably arranged at the fixed end of the steel belt, and the screw part penetrates through the tee joint through an installation through hole; the locking nut is arranged on the screw rod part in a threaded manner and is positioned on one side of the movable end, which is back to the fixed end; the locking spring is sleeved on the screw rod portion, one end of the locking spring abuts against the tee joint, and the other end of the locking spring abuts against the locking nut. The clamp has the functions of torque looseness prevention and torque compensation, reduces the probability of torque attenuation, and keeps the surface pressure generated by the installed steel belt constant.

Description

T-shaped clamp with spring

Technical Field

The application relates to a clamp, especially relates to a T shape area spring clamp.

Background

The clamp is a connecting device for connecting pipe fittings, valves and pipeline fittings with grooves and is used for tightening the quick connectors. The clamp connection mode has unique flexibility characteristics, so that the pipeline has the capabilities of resisting vibration, contraction and expansion, and compared with welding and flange connection, the stability of a pipeline system is improved, and the pipeline system is more suitable for temperature change, so that pipeline valves are protected, and the damage of pipeline stress to structural members is also reduced. The clamp for connecting the steel pipe and the hose of the automobile fuel system is simple in structure, the stable connection of the clamp is realized only by the bolt fastening force of the clamp, the bolts are loosened due to aging deformation and vibration of the hose along with the lapse of service time, the connection between the hose and the hard pipe is not stable any more, and therefore fuel leakage occurs in the use process. Therefore, in order to enhance the stability of the pipe connection, it is necessary to reduce the probability of loosening the bolts on the clamp.

The patent with the application number of CN201420232610.X discloses a novel hoop, which comprises a hoop, hoops welded with two ends of the hoop and shaft sleeves welded with the hoops; the novel clamp is characterized by further comprising an elbow T-shaped bolt arranged in the shaft sleeve; the elbow T-shaped bolt comprises a nut, a bolt end part connected with the nut and a bolt base part extending out from the bolt end part to one side; the center line of the end part of the bolt and the center line of the base part of the bolt are arranged at a certain angle; the hoop is welded at the outer side end of the hoop, and the hoop comprises a hoop body, a hoop end body extending out from the hoop body to one side, salient points arranged on the hoop end body, and arc-shaped parts arranged at two sides of the hoop end body.

In view of the above-mentioned related art, the inventor believes that the clamp is liable to loosen after long-term use or severe shaking, which affects the connection stability of the rigid pipe and the hose clamped by the clamp.

SUMMERY OF THE UTILITY MODEL

In order to solve the clamp and use or meet violent shake and produce not hard up easily for a long time, influence the problem of the connection steadiness of the rigid pipe of clamp chucking and hose, this application provides a T shape area spring clamp.

The application provides a pair of spring clamp is taken to T shape adopts following technical scheme:

the utility model provides a T shape area spring clamp which characterized in that: comprises a steel belt, a T-shaped screw, a locking nut, a tee joint and a locking spring; the steel belt is provided with a fixed end and a movable end; the tee joint is rotatably arranged at the movable end and is provided with an installation through hole; the T-shaped screw comprises a T-shaped head and a screw part, the T-shaped head is rotatably arranged at the fixed end of the steel belt, and the screw part penetrates through the tee joint through an installation through hole; the locking nut is arranged on the screw rod part in a threaded manner and is positioned on one side of the movable end, which is back to the fixed end; the locking spring is sleeved on the screw rod portion, one end of the locking spring abuts against the tee joint, and the other end of the locking spring abuts against the locking nut.

Through adopting above-mentioned technical scheme, the T shape head rotation of T shape screw rod is installed in the stiff end of steel band, and the tee bend rotation is installed in the expansion end of steel band for the expansion end of steel band can be along with the tee bend at the axis direction motion of T shape screw rod, thereby realizes the chucking of outside hose and hard tube junction and relaxs. The locking spring is located between the tee joint and the locking nut, and when the locking nut locks the T-shaped band spring clamp along the locking direction, the locking spring is compressed to generate pressure in the locking direction on the tee joint, so that the T-shaped band spring clamp generates a torque compensation effect on a compressed pipeline, and the change fluctuation of the pressure acting on the rubber pipe is small. Meanwhile, the locking spring applies pressure to the locking nut, so that the internal thread of the locking nut and the external thread of the screw rod part are always in a compressed state, and the probability of looseness of the locking nut is reduced.

Optionally, a cap for abutting against the end of the locking spring is further installed on the straight rod portion of the tee joint, and the cap is provided with a through hole for the screw rod portion to pass through.

Through adopting above-mentioned technical scheme, the terminal surface that the block is close to locking spring is circular terminal surface, and circular terminal surface diameter is greater than three-way straight rod portion cross-sectional diameter to increased locking spring and be close to the fixed department area of contact of tee bend end, made locking spring's shrink have more stability.

Optionally, the outer side wall of the end portion of the straight rod portion is provided with an external thread, and the cap is provided with an internal thread matched with the external thread.

Through adopting above-mentioned technical scheme, straight pole portion passes through threaded connection with the block, and this kind of connected mode simple structure assembles the convenience, and makes straight pole portion and block difficult emergence after the equipment is accomplished break away from.

Optionally, the cap is welded and fixed with the locking spring.

Through adopting above-mentioned technical scheme, the block passes through welded fastening with locking spring for when installing the block in the straight pole portion of tee bend, accomplish the installation of locking spring at the above-mentioned T type clamp of taking the spring promptly, and make when taking off lock nut from the screw rod portion, locking spring can not follow the screw rod portion and drop.

Optionally, the screw portion is sleeved with a gasket, and the gasket is arranged between the locking spring and the nut.

Through adopting above-mentioned technical scheme, installing lock nut in the in-process of screw rod portion through helicitic texture, avoided lock nut and locking spring's contact to it buckles to have reduced lock spring and has taken place by lock nut's torsion. Meanwhile, the setting of the gasket enables the pressure given to the locking nut by the locking spring to be more uniform.

Optionally, the gasket is welded and fixed to the end of the lock spring, a first tooth surface structure is circumferentially arranged on the side, facing the lock nut, of the gasket, and the nut is provided with a second tooth surface structure buckled with the first tooth surface structure.

Through adopting above-mentioned technical scheme, when installing locknut rotation in the process of screw rod portion, the first flank of tooth structure of locknut and the second flank of tooth structure butt of gasket for locknut still can rotate along its screw in's direction. After the locking nut is installed on the screw rod portion, the first tooth surface structure of the locking nut is abutted to the second tooth surface structure of the gasket, so that the locking nut cannot rotate in the screwing-out direction, and the probability of looseness of the locking nut on the screw rod portion is reduced.

Optionally, the clamp is in the stiff end of steel band still is equipped with fixed bridge plate, fixed bridge plate is the arc, the one end welded fastening of fixed bridge plate in the lateral wall and the other end of steel band extend towards the expansion end direction.

Through adopting above-mentioned technical scheme, fixed bridge plate one end welds in the inside wall of steel band stiff end, and the other end and steel band inside wall looks butt for the clamp is when chucking hose and hard tube junction, and the effort that is used in on the hose distributes evenly.

Optionally, the edges of the two sides of the fixed bridge plate are turned upwards to form a limiting groove for the movable end of the steel belt to be clamped in.

Through adopting above-mentioned technical scheme, the spacing groove plays the guide effect when the lateral wall of fixed bridge plate slides with the steel band inside wall butt, helps the locking of the above-mentioned T shape clamp of taking the spring.

Optionally, the T-shaped head is provided with a limiting hole through which the screw rod part penetrates; the stiff end towards outside lateral wall direction upset and through welded connection in lateral wall formation first installation department, the both ends of T shape head install with the anticreep lid of the both ends butt of first installation department.

Through adopting above-mentioned technical scheme, the rotatory spacing hole that the installation fixed part was equipped with passes through threaded connection with screw rod portion, has made things convenient for the installation fixed part of steel band to install on T shape is overhead.

Optionally, the anti-falling cover has a threaded boss, and the T-shaped head has a mounting hole for the threaded boss to be threadedly mounted.

Through adopting above-mentioned technical scheme, this kind of connected mode simple structure, the installation and the dismantlement of the anticreep lid of being convenient for.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the movable end of the steel band can move along the axis direction of the T-shaped screw along with the tee joint, so that the joint of the external hose and the hard pipe can be clamped and loosened, the locking spring is arranged to enable the T-shaped band spring clamp to generate the effects of torque looseness prevention and torque compensation on the compressed pipeline, the torque attenuation is prevented, and the surface pressure generated by the installed clamp steel band is kept constant.

2. When the locking nut is screwed out of the screw rod part, other parts sleeved on the screw rod cannot fall off from the screw rod.

3. The first tooth surface structure and the second tooth surface structure which are arranged on the gasket and the locking nut are mutually meshed when the pipe fitting is clamped, and the locking effect on the locking nut is achieved.

Drawings

FIG. 1 is a schematic view of a T-shaped band spring clamp according to an embodiment of the present application.

Fig. 2 is a schematic view of the structure of the steel strip.

Fig. 3 is an exploded view of the structure of the T-shaped screw.

Fig. 4 is an exploded view of the T-shaped spring clip portion.

FIG. 5 is a schematic view of the construction of the tee and cap.

Fig. 6 is a schematic view of the washer and the lock nut.

Fig. 7 is a structural schematic view of the lock nut.

Fig. 8 is a schematic structural view of the fixing bridge plate and the steel strip.

Description of reference numerals: 1. a steel belt; 11. a fixed end; 111. a first mounting portion; 1111. a first rotation hole; 1112. a first arcuate aperture; 12. a movable end; 121. a second mounting portion; 1211. a second rotation hole; 1212. a second arcuate aperture; 2. a T-shaped screw; 21. a T-shaped head; 211. mounting holes; 212. a limiting hole; 22. a screw section; 23. an anti-drop cover; 231. a threaded boss; 3. a tee joint; 31. a constant diameter pipe; 32. a straight rod part; 321. mounting a through hole; 4. a locking spring; 5. locking the nut; 51. a second tooth surface structure; 511. a second lobe; 5111. a second guide surface; 5112. a second locking surface; 6. capping; 61. a through hole is penetrated; 62. a containing groove; 7. a gasket; 71. a through hole; 72. a first tooth surface configuration; 721. a first lobe; 7211. a first guide surface; 7212. a first locking surface; 8. fixing the bridge plate; 81. a limiting groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses T shape area spring clamp. Referring to fig. 1, a T-shaped band spring clamp includes a steel band 1, a T-shaped screw 2, a tee 3, a locking spring 4, and a locking nut 5.

Referring to fig. 2, the steel strip 1 has a fixed end 11 and a movable end 12, the fixed end 11 is turned toward the outer sidewall and connected to the outer sidewall by welding to form a first mounting portion 111, and the movable end 12 is turned toward the outer sidewall and connected to the outer sidewall by welding to form a second mounting portion 121. The first mounting portion 111 of the steel strip 1 has a first rotation hole 1111 in a width direction thereof, a first arc-shaped hole 1112 is formed in the first mounting portion 111 in a rotation direction thereof, a second mounting portion 121 of the steel strip 1 has a second rotation hole 1211 in a width direction thereof, and a second arc-shaped hole 1212 is formed in the second mounting portion 121 in a rotation direction thereof.

Referring to fig. 3, the T-shaped screw 2 includes a T-shaped head 21 and a screw portion 22, the T-shaped head 21 is cylindrical, two ends of the T-shaped head 21 penetrate through and are hinged to the first rotating hole 1111 of the fixed end 11, so that the T-shaped head 21 can rotate in the first rotating hole 1111, and anti-falling covers 23 abutted to two ends of the first mounting portion are mounted at two ends of the T-shaped head 21, thereby reducing the probability of falling of the T-shaped head 21 from the first mounting portion 111. The anti-drop cover 23 is provided with a screw boss 231 near the T-shaped head 21, and two end faces of the T-shaped head 21 are provided with mounting holes 211 for the screw boss 231 to be mounted in a screw way; the middle position of the side wall of the T-shaped head 21 is also provided with a limiting hole 212 for the screw part 22 to insert, and the limiting hole 212 is provided with an internal thread matched with the external thread of the screw part 22.

Referring to fig. 3 and 5, the tee joint 3 is sleeved on the screw rod part 22 and has an equal-diameter pipe 31 and a straight rod part 32 perpendicular to the equal-diameter pipe 31, the tee joint 3 has a mounting through hole 321 on the end surface of the straight rod part 32 for the screw rod part 22 to penetrate through, the screw rod part 22 penetrates through the mounting through hole 321 close to the equal-diameter pipe 31 and penetrates out of the mounting through hole 321 far away from the equal-diameter pipe 31; the constant diameter pipe 31 passes through and is hinged to the second rotary hole 1211 of the movable end 12 such that the straight rod part 32 can rotate in a direction passing through the second arc-shaped hole 1212.

Referring to fig. 4 and 5, a T-shaped spring clip is further provided with an elastic member at the screw portion 22. The elastic component is positioned on the side of the tee 3 having the straight rod part 32. The elastic component comprises a locking spring 4, a cap 6 welded at one end of the locking spring 4 and close to the straight rod part 32 of the tee joint 3, and a gasket 7 welded at the other end of the locking spring 4. The cap 6 is cylindrical, a through hole 61 for the screw rod portion 22 to pass through is formed in the end face of the side of the cap 6, a containing groove 62 for the straight rod portion 32 of the tee joint 3 to insert is further formed in the end face of the side of the straight rod portion 32 of the cap 6 close to the tee joint 3, an external thread is arranged on the cylindrical surface of the side of the straight rod portion 32 of the tee joint 3 close to the cap 6, and an internal thread for the external thread of the straight rod portion 32 to be in threaded connection is formed in the inner wall of the containing groove 62.

Referring to fig. 6 and 7, the gasket 7 has a circular cross section, a through hole 71 is formed in a side end surface of the gasket 7, the through hole is used for allowing the screw portion 22 to pass through, a first tooth surface structure 72 is formed in the circumferential direction of the side end surface of the gasket 7 away from the locking spring 4, a plurality of first convex teeth 721 are arranged in the circumferential direction of the first tooth surface structure 72, each first convex tooth 721 has a first guide surface 7211 and a first locking surface 7212, and the first locking surface 7212 is perpendicular to the side surface of the gasket 7.

The lock nut 5 is sleeved at one end of the screw portion 22 far away from the T-shaped head 21, the lock nut 5 is provided with a second tooth surface structure 51 towards the end face of the gasket 7, the second tooth surface structure 51 is circumferentially provided with a plurality of second convex teeth 511, the second convex teeth 511 are provided with a second guide surface 5111 and a second locking surface 5112, and the first convex teeth 721 can be meshed with the second convex teeth 511.

When the lock nut 5 is screwed in the screwing direction by being sleeved on the screw portion 22 through the screw thread connection, the first tooth surface structure is engaged with the second tooth surface structure, and the second guide surface 5111 slides and rotates to the first locking surface 7212 along the first guide surface 7211. On the contrary, when the lock nut 5 has a tendency of being unscrewed in the unscrewing direction, the first locking surface 7212 abuts against the second locking surface 5112 to restrict the lock nut 5 from rotating in the unscrewing direction, thereby realizing the anti-loose function of the lock nut 5.

Referring to fig. 8, the T-shaped band spring clamp is further provided with a fixed bridge plate 8 at the first installation portion 111 of the steel band 1, the fixed bridge plate 8 is an arc-shaped plate, one end of the fixed bridge plate 8 is welded and fixed on the inner side wall of the first installation portion 111 of the steel band 1, and the other end of the fixed bridge plate extends towards the direction of the movable end 12 to abut against the inner side wall of the movable end 12. The edges of the two sides of the fixed bridge plate 8 are turned upwards to form a limiting groove 81 for the second mounting part 121 of the steel strip 1 to be clamped in.

The implementation principle of this application embodiment T shape area spring clamp does: the T-shaped clamp with the spring penetrates through a pipe to be clamped, the locking spring 4 is enabled to move towards the T-shaped head 21 of the T-shaped screw rod 2 to be clamped by screwing the locking nut 5 tightly, and compression is generated to enable the pipe to be clamped to be always subjected to uniformly distributed acting force; the first tooth surface structure 72 of the washer 7 and the second tooth surface structure 51 of the lock nut 5 are engaged and clamped so as to realize the locking of the lock nut 5.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a T shape area spring clamp which characterized in that: comprises a steel belt (1), a T-shaped screw (2), a locking nut (5), a tee joint (3) and a locking spring (4); the steel belt (1) is provided with a fixed end (11) and a movable end (12); the tee joint (3) is rotatably arranged at the movable end (12), and the tee joint (3) is provided with an installation through hole (321); the T-shaped screw (2) comprises a T-shaped head (21) and a screw part (22), the T-shaped head (21) is rotatably mounted at the fixed end (11) of the steel belt (1), and the screw part (22) penetrates through the tee joint (3) through a mounting through hole (321); the locking nut (5) is mounted on the screw rod part (22) in a threaded mode and is located on one side, back to the fixed end (11), of the movable end (12); the locking spring (4) is sleeved on the screw rod portion (22), one end of the locking spring is abutted to the tee joint (3) and the other end of the locking spring is abutted to the locking nut (5).

2. A T-band spring clamp as claimed in claim 1, wherein: the straight rod part (32) of the tee joint (3) is further provided with a cover cap (6) for abutting against the end part of the locking spring (4), and the cover cap (6) is provided with a through hole (61) for the screw rod part (22) to pass through.

3. A T-band spring clamp as claimed in claim 2, wherein: the outer side wall of the end part of the straight rod part (32) is provided with an external thread, and the cap (6) is provided with an internal thread matched with the external thread.

4. A T-band spring clamp as claimed in claim 3, wherein: the cover cap (6) and the locking spring (4) are fixed in a welding mode.

5. A T-band spring clip according to claim 4, wherein: screw rod portion (22) cover is equipped with gasket (7), gasket (7) are located locking spring (4) with between the nut.

6. A T-band spring clip according to claim 5, wherein: the gasket (7) is welded and fixed with the end part of the locking spring (4), a first tooth surface structure (72) is arranged on the gasket (7) in the circumferential direction of the side surface facing the locking nut (5), and the nut is provided with a second tooth surface structure (51) buckled with the first tooth surface structure (72).

7. A T-band spring clip according to claim 6, wherein: the clamp is in stiff end (11) of steel band (1) still are equipped with fixed bridge plate (8), fixed bridge plate (8) are the arc, the one end welded fastening of fixed bridge plate (8) be in the inside wall and the other end of steel band (1) stiff end (11) extend towards expansion end (12) direction.

8. A T-band spring clip according to claim 7, wherein: the two side edges of the fixed bridge plate (8) are turned upwards to form a limiting groove (81) for the movable end (12) of the steel belt (1) to be clamped in.

9. A T-band spring clamp as claimed in claim 1, wherein: the T-shaped head (21) is provided with a limiting hole (212) through which the screw rod part (22) penetrates; stiff end (11) are towards outside lateral wall direction upset and through welded connection in lateral wall formation first installation department (111), the both ends of T shape head (21) install with anticreep lid (23) of the both ends butt of first installation department (111).

10. A T-band spring clip according to claim 9, wherein: the anti-drop cover (23) is provided with a threaded convex column (231), and the T-shaped head (21) is provided with a mounting hole (211) for the threaded convex column (231) to be mounted in a threaded mode.