阅读说明：本技术 一种直插直抽式不锈钢波纹管快速接头 (Direct-insertion and direct-drawing type stainless steel corrugated pipe quick connector ) 是由 徐荣华 李诗华 任海军 王文军 盛斌 于 2021-06-02 设计创作，主要内容包括：本发明涉及波纹管快速接头技术领域,且公开了一种直插直抽式不锈钢波纹管快速接头,包括波纹管接头,所述波纹管接头的右侧一体成形有螺纹接口,所述波纹管接头的外侧壁左侧开设有多个贯穿式的螺纹孔,所述螺纹孔的内部螺纹连接有空心管,所述空心管靠近所述波纹管接头内侧的一端一体成形有挡块,所述空心管的内部滑动连接有卡块；本发明通过设置的第一弹簧挤压卡块,从而通过滚珠挤压波纹管,减小波纹管插入的摩擦力,方便波纹管的插入,以及可以初步限位波纹管,通过第二弹簧牵引弧形抵板,使得两个弧形抵板可以抵住波纹管的内部,然后通过弧形卡齿与波纹管内部的波纹卡合,保证波纹管的稳定插入,不易脱落。(The invention relates to the technical field of corrugated pipe quick connectors and discloses a direct-insertion direct-drawing type stainless steel corrugated pipe quick connector which comprises a corrugated pipe connector, wherein a threaded connector is integrally formed on the right side of the corrugated pipe connector, a plurality of penetrating threaded holes are formed in the left side of the outer side wall of the corrugated pipe connector, a hollow pipe is in threaded connection with the inside of each threaded hole, a stop block is integrally formed at one end, close to the inner side of the corrugated pipe connector, of the hollow pipe, and a clamp block is slidably connected inside the hollow pipe; the corrugated pipe clamping device comprises a clamping block, a first spring, an arc-shaped supporting plate, a second spring, a clamping tooth and a ball, wherein the clamping block is arranged on the first spring, the ball is arranged on the second spring, the first spring is arranged on the clamping block, the second spring is arranged on the second spring, the second spring is arranged on the clamping tooth, the first spring is arranged on the second spring, the second spring is arranged on the clamping tooth, the first spring is arranged on the clamping tooth, the second spring is arranged on the clamping tooth, and the ball is arranged on the clamping tooth.)

1. The utility model provides a direct-insert and direct-drawing type stainless steel corrugated pipe quick coupling, includes corrugated pipe joint (1), its characterized in that: the right side of the corrugated pipe joint (1) is integrally formed with a threaded connector (2), the left side of the outer side wall of the corrugated pipe joint (1) is provided with a plurality of penetrating threaded holes (3), the internal threads of the threaded holes (3) are connected with a hollow pipe (4), one end, close to the inner side of the corrugated pipe joint (1), of the hollow pipe (4) is integrally formed with a stop block (5), the internal part of the hollow pipe (4) is connected with a clamping block (6) in a sliding manner, one side, close to the inner side of the corrugated pipe joint (1), of the clamping block (6) is provided with a rolling ball (7) in a rolling manner, one side, far away from the rolling ball (7), of the clamping block (6) is positioned inside the hollow pipe (4) and is provided with a first spring (8), one end, far away from the clamping block (6), of the hollow pipe (4) is connected with a mounting sleeve (9) in a threaded manner, and the mounting sleeve (9) is positioned outside the corrugated pipe joint (1), the both ends of first spring (8) respectively with fixture block (6) with the opposite side of installation cover (9) is laminated mutually, the inside right side symmetry of corrugated pipe joint (1) is equipped with arc and supports board (10), two arc supports board (10) back of the body equal fixedly connected with a plurality of arc latches (11), two back of the body side right-hand equal fixedly connected with connecting rod (12), two back of the body side of arc support board (10) back of the body side right-hand equal fixedly connected with connecting rod (12), two back of the body end of connecting rod (12) runs through respectively the outside of corrugated pipe joint (1), and equal fixedly connected with presses briquetting (13), the lateral wall of connecting rod (12) is located the outside cover of corrugated pipe joint (1) is equipped with second spring (14), the lateral wall of connecting rod (12) is located the outside threaded connection of corrugated pipe joint (1) has thread bush (15), the both ends of second spring (14) respectively with corrugated pipe joint (1) with the opposite side case of thread bush (15) is equipped with second spring (14) And (6) attaching.

2. The direct-insertion and direct-drawing type stainless steel corrugated pipe quick connector as claimed in claim 1, wherein: the left side of the interior of the corrugated pipe joint (1) is fixedly connected with a first sealing ring (16).

3. The direct-insertion and direct-drawing type stainless steel corrugated pipe quick connector as claimed in claim 1, wherein: the outer side wall of the corrugated pipe joint (1) is located on the outer side of the connecting rod (12) and is fixedly connected with a second sealing ring (17).

4. The direct-insertion and direct-drawing type stainless steel corrugated pipe quick connector as claimed in claim 1, wherein: the outer side wall of the corrugated pipe joint (1) is fixedly connected with a plurality of anti-skid convex strips (18).

5. The direct-insertion and direct-drawing type stainless steel corrugated pipe quick connector as claimed in claim 1, wherein: and one side of the mounting sleeve (9) far away from the corrugated pipe joint (1) is fixedly connected with an adjusting block (19).

6. The direct-insertion and direct-drawing type stainless steel corrugated pipe quick connector as claimed in claim 1, wherein: the outer side wall of the arc-shaped latch (11) is fixedly connected with a rubber pad (20).

7. The direct-insertion and direct-drawing type stainless steel corrugated pipe quick connector as claimed in claim 1, wherein: the two pressing blocks (13) are fixedly connected with anti-slip pads (21) on the opposite sides.

8. The direct-insertion and direct-drawing type stainless steel corrugated pipe quick connector as claimed in claim 1, wherein: the outer side wall of the threaded sleeve (15) is fixedly connected with a sponge sleeve (22).

Technical Field

The invention relates to the technical field of corrugated pipe quick connectors, in particular to a direct-insertion and direct-drawing type stainless steel corrugated pipe quick connector.

Background

The corrugated pipe is a tubular elastic sensitive element formed by connecting foldable corrugated sheets along the folding and stretching direction, is widely applied to instruments and meters, is mainly used as a measuring element of a pressure measuring instrument to convert pressure into displacement or force, has thinner pipe wall and higher sensitivity, has the measuring range of dozens of Pa to dozens of MPa, is fixed at an opening end and is in a free state at a sealing end, the auxiliary spiral spring or reed is used to increase elasticity, when working, the pipe extends along the length direction of the pipe under the action of internal pressure, so that the movable end generates displacement in a certain relation with the pressure, the movable end drives the pointer to directly indicate the pressure, the corrugated pipe is often combined with the displacement sensor to form a pressure sensor outputting electric quantity, and sometimes the pressure sensor is also used as an isolation element, and the corrugated pipe is connected with the outer pipe through a joint.

The existing corrugated pipe joint is complex in corrugated pipe connection operation, cannot be used for stably and directly inserting the corrugated pipe into the joint, and is not easy to adjust the inserting depth after the corrugated pipe is inserted, and inconvenient to take out, so that a direct-inserting and direct-drawing type stainless steel corrugated pipe quick joint is needed.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a direct-insertion and direct-drawing type stainless steel corrugated pipe quick joint, which solves the problems in the background.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a direct-insertion direct-drawing type stainless steel corrugated pipe quick connector comprises a corrugated pipe connector, wherein a threaded connector is integrally formed on the right side of the corrugated pipe connector, a plurality of penetrating threaded holes are formed in the left side of the outer side wall of the corrugated pipe connector, a hollow pipe is in threaded connection with the inside of each threaded hole, a stop block is integrally formed at one end, close to the inner side of the corrugated pipe connector, of the hollow pipe, a fixture block is slidably connected to the inside of the hollow pipe, a rolling ball is arranged on one side, close to the inner side of the corrugated pipe connector, of the fixture block, a first spring is arranged inside the hollow pipe on one side, far away from the rolling ball, a mounting sleeve is in threaded connection with one end, far away from the fixture block, of the hollow pipe and located on the outer side of the corrugated pipe connector, two, corrugated pipe connects's inside right side symmetry is equipped with the arc and supports the board, two a plurality of arc latches of the equal fixedly connected with in the looks dorsal part of arc support the board right-hand equal fixedly connected with connecting rod in the back of the body side, two the back of the body end of connecting rod runs through respectively corrugated pipe connects's the outside, and equal fixedly connected with presses the briquetting, the lateral wall of connecting rod is located corrugated pipe connects's outside cover is equipped with the second spring, the lateral wall of connecting rod is located corrugated pipe connects's outside threaded connection has the thread bush, the both ends of second spring respectively with corrugated pipe connects with the opposite side case laminating of thread bush.

Preferably, a first sealing ring is fixedly connected to the left side of the inside of the corrugated pipe joint.

Preferably, the outer side wall of the corrugated pipe joint is located on the outer side of the connecting rod and is fixedly connected with a second sealing ring.

Preferably, the outer side wall of the corrugated pipe joint is fixedly connected with a plurality of anti-skid convex strips.

Preferably, one side of the mounting sleeve, which is far away from the corrugated pipe joint, is fixedly connected with an adjusting block.

Preferably, the outer side wall of the arc-shaped latch is fixedly connected with a rubber pad.

Preferably, the back sides of the two pressing blocks are fixedly connected with anti-slip pads.

Preferably, the outer side wall of the threaded sleeve is fixedly connected with a sponge sleeve.

(III) advantageous effects

The invention provides a direct-insertion and direct-drawing type stainless steel corrugated pipe quick joint which has the following beneficial effects:

(1) the corrugated pipe clamping device comprises a clamping block, a first spring, a second spring, an arc-shaped supporting plate, a second spring, a first spring, a second spring and a third spring, wherein the clamping block is extruded by the first spring, so that the corrugated pipe is extruded by the balls, the inserted friction force of the corrugated pipe is reduced, the corrugated pipe is convenient to insert, the corrugated pipe can be limited preliminarily, the arc-shaped supporting plate is pulled by the second spring, the two arc-shaped supporting plates can support the inside of the corrugated pipe, and then the corrugated pipe is ensured to be inserted stably and not to fall off easily through the clamping of the arc-shaped clamping teeth and the corrugation inside the corrugated pipe.

(2) According to the corrugated pipe joint, the hollow pipe is in threaded connection with the threaded hole formed in the corrugated pipe joint, so that the position of the ball inside the corrugated pipe can be controlled, the corrugated pipe can be clamped more tightly, the mounting sleeve in threaded connection on the hollow pipe can be detached, the first spring inside the corrugated pipe can be replaced, and the problem that the first spring is not firm in pressing due to the fact that the elasticity of the first spring is reduced after a long time is solved.

(3) According to the invention, the two pressing blocks are pressed inwards, so that the arc-shaped clamping teeth are separated from the corrugations in the corrugated pipe, the corrugated pipe can be conveniently drawn out, the insertion depth of the corrugated pipe can be controlled, the position of the threaded sleeve in threaded connection with the outer side wall of the connecting rod is adjusted, the expansion and contraction of the second spring are controlled, and the problem that the clamping is not firm due to weak elasticity of the second spring after the second spring is used for a long time is solved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view showing the internal structure of the hollow tube of the present invention;

fig. 4 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.

In the figure: 1. a corrugated pipe joint; 2. a threaded interface; 3. a threaded hole; 4. a hollow tube; 5. a stopper; 6. A clamping block; 7. a ball bearing; 8. a first spring; 9. installing a sleeve; 10. an arc-shaped abutting plate; 11. arc-shaped latch; 12. a connecting rod; 13. a pressing block; 14. a second spring; 15. a threaded sleeve; 16. a first seal ring; 17. a second seal ring; 18. anti-skid convex strips; 19. an adjusting block; 20. a rubber pad; 21. a non-slip mat; 22. a sponge sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 4, the present invention provides a technical solution: a straight-inserting and straight-drawing type stainless steel corrugated pipe quick connector comprises a corrugated pipe connector 1, a threaded connector 2 is integrally formed on the right side of the corrugated pipe connector 1, a plurality of through threaded holes 3 are formed in the left side of the outer side wall of the corrugated pipe connector 1, a hollow pipe 4 is in threaded connection with the inside of each threaded hole 3, a stop block 5 is integrally formed at one end, close to the inner side of the corrugated pipe connector 1, of each hollow pipe 4, a clamping block 6 is in sliding connection with the inside of each hollow pipe 4, a ball 7 is arranged on one side, close to the inner side of the corrugated pipe connector 1, of each clamping block 6 in a rolling mode, a first spring 8 is arranged inside each hollow pipe 4 on one side, far away from each ball 7, of each clamping block 6, a mounting sleeve 9 is in threaded connection with one end of each hollow pipe 4, the mounting sleeves 9 are arranged on the outer side of the corrugated pipe connector 1, two ends of the first springs 8 are respectively attached to opposite sides of the clamping blocks 6 and the mounting sleeves 9, arc-shaped abutting plates 10 are symmetrically arranged on the right side of the inside of the corrugated pipe connector 1, the opposite sides of the two arc-shaped abutting plates 10 are fixedly connected with a plurality of arc-shaped latch teeth 11, the opposite sides of the two arc-shaped abutting plates 10 are fixedly connected with a connecting rod 12 on the right, the opposite ends of the two connecting rods 12 respectively penetrate through the outer side of the corrugated pipe joint 1 and are fixedly connected with a pressing block 13, a second spring 14 is sleeved on the outer side wall of the connecting rod 12 positioned on the outer side of the corrugated pipe joint 1, a threaded sleeve 15 is connected on the outer side wall of the connecting rod 12 positioned on the outer side of the corrugated pipe joint 1 in a threaded manner, two ends of the second spring 14 are respectively attached to opposite side boxes of the corrugated pipe joint 1 and the threaded sleeve 15, when in use, the corrugated pipe joint 1 is firstly connected to a corresponding mounting position through a right threaded connector 2 in a threaded manner, then a corrugated pipe penetrates through the left opening of the corrugated pipe joint 1, the outer side of the corrugated pipe is contacted with a first ball 7, and the first spring 8 is extruded to shrink through the clamping block 6, thereby the corrugated pipe can be continuously pushed, the block 6 can be prevented from falling off by the arranged block 5, the right end of the corrugated pipe is sleeved on the outer sides of the two arc-shaped support plates 10, the corrugated pipe can be prevented from being drawn out backwards by the arc-shaped latch 11 and the corrugated pipe inside the corrugated pipe, so that the corrugated pipe can be stably clamped, the corrugated pipe can be stably inserted and is difficult to fall off, the operation is simple and convenient, the position of the ball 7 inside the corrugated pipe can be controlled by the threaded connection of the arranged hollow pipe 4 and the threaded hole 3 arranged on the corrugated pipe joint 1, so that the corrugated pipe can be clamped more tightly, the mounting sleeve 9 in threaded connection on the hollow pipe 4 can be disassembled, thereby the first spring 8 inside can be replaced, the problem that the first spring 8 is not firm in support pressure due to the elasticity reduction of the first spring 8 due to overlong time can be prevented, and the problem that the corrugated pipe is not firm in support can be caused by inwards pressing the two pressing blocks 13, so that the arc-shaped latch 11 is separated from the corrugated pipe inside the corrugated pipe, the bellows is conveniently taken out, and can control bellows male degree of depth, and the position of adjustment connecting rod 12 lateral wall threaded connection's thread bush 15 controls the flexible of second spring 14, prevents that second spring 14 from using for a long time down, and elasticity weakens, leads to the insecure problem of joint.

Further, a first sealing ring 16 is fixedly connected to the left side of the interior of the corrugated pipe joint 1, so that the sealing performance between the corrugated pipe joint 1 and a corrugated pipe is ensured.

Furthermore, the outer side wall of the corrugated pipe joint 1 is fixedly connected with a second sealing ring 17 at the outer side of the connecting rod 12, so that the sealing performance between the connecting rod 12 and the corrugated pipe joint 1 is ensured.

Furthermore, the outer side wall of the corrugated pipe joint 1 is fixedly connected with a plurality of anti-skid convex strips 18, so that the corrugated pipe joint 1 can be conveniently held to be connected with the outside through the threaded connector 2.

Further, one side fixedly connected with regulating block 19 that bellows joint 1 was kept away from to installation cover 9 conveniently drives hollow tube 4 and rotates in screw hole 3 is inside, and the adjustment position perhaps drives installation cover 9 and rotates, will install cover 9 and dismantle from hollow tube 4 to change first spring 8.

Further, the outer side wall of the arc-shaped latch 11 is fixedly connected with a rubber pad 20, so that the friction force between the outer side wall of the arc-shaped latch and the inner side wall of the corrugated pipe is increased, and the corrugated pipe is ensured to be stably inserted.

Furthermore, the anti-slip pads 21 are fixedly connected to the opposite sides of the two pressing blocks 13, so that the pressing blocks 13 are not easy to slip when being pressed by hands for adjustment.

Further, the outer side wall of the threaded sleeve 15 is fixedly connected with a sponge sleeve 22, so that the threaded sleeve 15 can be conveniently rotated, and the position of the threaded sleeve on the connecting rod 12 can be adjusted.

In conclusion, the working process of the invention is as follows: when in use, firstly, the corrugated pipe joint 1 is connected to a corresponding installation position through the right-side threaded connector 2 in a threaded manner, then the corrugated pipe penetrates through the left-side opening of the corrugated pipe joint 1, the outer side of the corrugated pipe is in contact with the first ball 7, the first spring 8 is extruded to shrink through the fixture block 6, so that the corrugated pipe can be continuously pushed, the fixture block 6 can be prevented from falling off by utilizing the arranged fixture block 5, the outer sides of the two arc-shaped abutting plates 10 are sleeved at the right end of the corrugated pipe, the corrugated pipe is clamped with the corrugated pipe inside the corrugated pipe through the arc-shaped clamping teeth 11, the corrugated pipe is prevented from being drawn out backwards, so that the corrugated pipe is stably clamped, the corrugated pipe can be ensured to be stably inserted and not easily fall off, the operation is simple and convenient, the hollow pipe 4 is in threaded connection with the threaded hole 3 arranged on the corrugated pipe joint 1, the position of the ball 7 inside the corrugated pipe can be controlled, so that the corrugated pipe can be clamped more tightly, the installation sleeve 9 connected with the hollow pipe 4 through the thread can be detached, so that the first spring 8 inside can be replaced, the problem that the first spring 8 is weakened due to too long time and is not firm in abutting pressure is solved, the arc-shaped latch 11 is separated from the ripple inside the corrugated pipe by inwards pressing the two pressing blocks 13, the corrugated pipe can be conveniently drawn out, the insertion depth of the corrugated pipe can be controlled, the position of the threaded sleeve 15 connected with the thread on the outer side wall of the connecting rod 12 is adjusted, the expansion and contraction of the second spring 14 are controlled, the problem that the second spring 14 is weakened due to long-time use and is not firm in clamping is solved, the sealing performance between the corrugated pipe joint 1 and the corrugated pipe is ensured through the arranged first sealing ring 16, the sealing performance between the connecting rod 12 and the corrugated pipe joint 1 is ensured through the arranged second sealing ring 17, the anti-skid raised lines 18 on the outer side wall of the corrugated pipe joint 1 are utilized, make things convenient for handheld corrugated pipe joint 1 to pass through hickey 2 and outside being connected, utilize the regulating block 19 that sets up, conveniently drive hollow tube 4 and rotate in threaded hole 3 is inside, the adjustment position, perhaps drive installation cover 9 and rotate, dismantle installation cover 9 from hollow tube 4, thereby change first spring 8, utilize the rubber pad 20 that sets up in the arc latch 11 outside, increase and corrugated friction of bellows inside wall, guarantee the stable grafting of bellows, utilize the slipmat 21 that sets up, when making to press according to briquetting 13 with the hand and adjusting, difficult skidding, utilize the sponge cover 22 that sets up, guarantee to conveniently rotate thread bush 15, the position of adjustment on connecting rod 12.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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.